Sea weather in Nantucket Island (Massachusetts) in the United States (USA) All the beach weather in Nantucket Island (Massachusetts)
All the essential weather information for enjoying the beach in Nantucket Island (Massachusetts) in the United States (USA), for swimming, tanning or water sports! Our sea weather data is reliable, easy to read and updated every day.
Weather: When should you go to the beach in Nantucket Island (Massachusetts) over the next 7 days?
Discover the best moment to go to the beach in Nantucket Island (Massachusetts) in the United States (USA) this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Nantucket Island (Massachusetts). You can see full forecasts by clicking on the day you want to see in the table below.
| Date | Outside temp. | Max wind | Our opinion | Details |
|---|---|---|---|---|
| Friday 17 July 2026 | 68°F to 74°F | 13.7mph | discouraged | all the sea weather |
| Saturday 18 July 2026 | 68°F to 72°F | 32.3mph | not recommended | all the sea weather |
| Sunday 19 July 2026 | 67°F to 74°F | 13.7mph | not recommended | all the sea weather |
| Monday 20 July 2026 | 67°F to 70°F | 10.6mph | discouraged | all the sea weather |
| Tuesday 21 July 2026 | 70°F to 72°F | 21.8mph | discouraged | all the sea weather |
| Wednesday 22 July 2026 | 70°F to 72°F | 24.2mph | not recommended | all the sea weather |
| Thursday 23 July 2026 | 67°F to 72°F | 9.9mph | discouraged | all the sea weather |
Sea Weather: Your daily and hourly sea weather in Nantucket Island (Massachusetts)
Sea weather on Friday 17 July 2026
On Friday 17 July 2026, the sun will rise at 05:22 and will set at 20:11 on the beach(es) of Nantucket Island (Massachusetts). The outside temperature will be a high of 74°F t and a low of 68°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 13.7mph km/h (with gusts up to 23.6mph). Wave height will be up to 2.3ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition |  | |  | |  | | |  |
| Outside temperature | 23°C (73°F) | 22°C (72°F) | 22°C (71°F) | 22°C (72°F) | 22°C (71°F) | 22°C (72°F) | 20°C (69°F) | 22°C (71°F) |
| Perceived temperature | 25°C (77°F) | 25°C (76°F) | 22°C (71°F) | 25°C (76°F) | 22°C (71°F) | 25°C (76°F) | 20°C (69°F) | 22°C (71°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 68% | 69% | 71% | 60% | 59% | 59% | 65% | 68% |
| Barometric pressure | 1012 hPa | 1014 hPa | 1015 hPa | 1016 hPa | 1016 hPa | 1016 hPa | 1016 hPa | 1017 hPa |
| Cloud cover | 4% | 5% | 10% | 0% | 11% | 18% | 3% | 3% |
| Heat index | 25°C (77°F) | 25°C (76°F) | 25°C (76°F) | 25°C (76°F) | 25°C (76°F) | 25°C (76°F) | 20°C (69°F) | 24°C (76°F) |
| Dew point | 16°C (61°F) | 16°C (62°F) | 16°C (62°F) | 14°C (57°F) | 13°C (56°F) | 14°C (57°F) | 13°C (56°F) | 15°C (60°F) |
| Wind | ||||||||
| Speed | 10km/h (6mph) | 15km/h (10mph) | 17km/h (10mph) | 17km/h (11mph) | 9km/h (5mph) | 16km/h (10mph) | 15km/h (10mph) | 22km/h (14mph) |
| Gusts | 17km/h (11mph) | 24km/h (15mph) | 25km/h (16mph) | 25km/h (16mph) | 15km/h (9mph) | 27km/h (17mph) | 32km/h (20mph) | 38km/h (24mph) |
| Direction | 38° NE | 339° NNW | 312° NW | 328° NNW | 234° SW | 224° SW | 199° SSW | 198° SSW |
| Wind chill | 23°C (73°F) | 22°C (72°F) | 22°C (71°F) | 22°C (72°F) | 22°C (71°F) | 22°C (72°F) | 20°C (69°F) | 22°C (71°F) |
| Waves | ||||||||
| Height | 0.7m (2.3ft) | 0.6m (2.1ft) | 0.7m (2.3ft) | 0.6m (2.1ft) | 0.5m (1.6ft) | 0.5m (1.7ft) | 0.5m (1.8ft) | 0.6m (1.8ft) |
| Direction | 203° SSW | 202° SSW | 210° SSW | 208° SSW | 131° SE | 153° SSE | 156° SSE | 156° SSE |
| Period | 5.1 sec. | 5.2 sec. | 5.0 sec. | 4.9 sec. | 4.9 sec. | 7.2 sec. | 9.9 sec. | 8.5 sec. |
| Significant height | 0.7m (2.3ft) | 0.8m (2.6ft) | 0.8m (2.6ft) | 0.7m (2.3ft) | 0.5m (1.6ft) | 0.5m (1.6ft) | 0.5m (1.6ft) | 0.6m (2ft) |
| Sea water temperature | ||||||||
| Water temperature | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) |
Sea weather on Saturday 18 July 2026
On Saturday 18 July 2026, the sun will rise at 05:23 and will set at 20:10 on the beach(es) of Nantucket Island (Massachusetts). The outside temperature will be a high of 72°F t and a low of 68°F. Precipitation is in the forecast (0.1in throughout the day): choose the right time to go to the beach and dodge the raindrops. Be careful, the sea will be generally rough with a wind speed of up to 32.3mph km/h (with gusts up to 36mph). Wave height will be up to 4.3ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | |  |  |  |
| Outside temperature | 22°C (71°F) | 22°C (71°F) | 22°C (71°F) | 22°C (71°F) | 21°C (70°F) | 21°C (70°F) | 20°C (69°F) | 21°C (71°F) |
| Perceived temperature | 22°C (71°F) | 22°C (71°F) | 22°C (71°F) | 22°C (71°F) | 21°C (70°F) | 21°C (70°F) | 20°C (69°F) | 21°C (71°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0.1in | 0in | 0in |
| Humidity | 69% | 71% | 72% | 76% | 79% | 89% | 95% | 96% |
| Barometric pressure | 1017 hPa | 1017 hPa | 1016 hPa | 1015 hPa | 1014 hPa | 1013 hPa | 1009 hPa | 1007 hPa |
| Cloud cover | 11% | 29% | 15% | 14% | 13% | 47% | 90% | 85% |
| Heat index | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 21°C (70°F) | 20°C (69°F) | 24°C (76°F) |
| Dew point | 16°C (60°F) | 16°C (61°F) | 16°C (62°F) | 17°C (63°F) | 18°C (64°F) | 19°C (66°F) | 20°C (67°F) | 21°C (69°F) |
| Wind | ||||||||
| Speed | 22km/h (14mph) | 21km/h (13mph) | 22km/h (14mph) | 26km/h (16mph) | 32km/h (20mph) | 51km/h (32mph) | 50km/h (31mph) | 52km/h (32mph) |
| Gusts | 37km/h (23mph) | 34km/h (21mph) | 36km/h (23mph) | 29km/h (18mph) | 37km/h (23mph) | 53km/h (33mph) | 51km/h (32mph) | 58km/h (36mph) |
| Direction | 211° SSW | 223° SW | 213° SSW | 200° SSW | 198° SSW | 232° SW | 191° S | 185° S |
| Wind chill | 22°C (71°F) | 22°C (71°F) | 22°C (71°F) | 22°C (71°F) | 21°C (70°F) | 21°C (70°F) | 20°C (69°F) | 21°C (71°F) |
| Waves | ||||||||
| Height | 0.6m (2.0ft) | 0.6m (2.0ft) | 0.6m (2.0ft) | 0.7m (2.2ft) | 0.8m (2.8ft) | 1.1m (3.6ft) | 1.3m (4.3ft) | 1.2m (4.1ft) |
| Direction | 158° SSE | 129° SE | 129° SE | 174° S | 205° SSW | 203° SSW | 203° SSW | 193° SSW |
| Period | 11.2 sec. | 11.1 sec. | 11.0 sec. | 11.0 sec. | 13.5 sec. | 13.4 sec. | 10.8 sec. | 10.8 sec. |
| Significant height | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.8m (2.6ft) | 1.1m (3.6ft) | 1.4m (4.6ft) | 1.6m (5.2ft) | 1.6m (5.2ft) |
| Sea water temperature | ||||||||
| Water temperature | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) |
Sea weather on Sunday 19 July 2026
On Sunday 19 July 2026, the sun will rise at 05:24 and will set at 20:09 on the beach(es) of Nantucket Island (Massachusetts). The outside temperature will be a high of 74°F t and a low of 67°F. Precipitation is in the forecast (0.1in throughout the day): choose the right time to go to the beach and dodge the raindrops. Be careful, the sea will be generally rough with a wind speed of up to 37.9mph km/h (with gusts up to 42.3mph). Wave height will be up to 5.9ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | |  |  | | | | | |
| Outside temperature | 22°C (72°F) | 22°C (71°F) | 22°C (72°F) | 22°C (72°F) | 19°C (67°F) | 21°C (70°F) | 20°C (69°F) | 21°C (69°F) |
| Perceived temperature | 25°C (76°F) | 22°C (71°F) | 25°C (76°F) | 25°C (76°F) | 19°C (67°F) | 21°C (70°F) | 20°C (69°F) | 21°C (69°F) |
| Precipitation | 0in | 0.1in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 92% | 94% | 94% | 83% | 64% | 64% | 67% | 75% |
| Barometric pressure | 1005 hPa | 1002 hPa | 1002 hPa | 1005 hPa | 1007 hPa | 1008 hPa | 1010 hPa | 1012 hPa |
| Cloud cover | 58% | 72% | 81% | 72% | 0% | 15% | 13% | 11% |
| Heat index | 25°C (76°F) | 24°C (76°F) | 25°C (76°F) | 25°C (76°F) | 19°C (67°F) | 21°C (70°F) | 20°C (69°F) | 21°C (69°F) |
| Dew point | 21°C (69°F) | 21°C (69°F) | 21°C (70°F) | 19°C (66°F) | 12°C (54°F) | 14°C (57°F) | 14°C (57°F) | 16°C (61°F) |
| Wind | ||||||||
| Speed | 49km/h (30mph) | 61km/h (38mph) | 35km/h (22mph) | 30km/h (18mph) | 28km/h (17mph) | 9km/h (6mph) | 17km/h (11mph) | 22km/h (13mph) |
| Gusts | 52km/h (32mph) | 68km/h (42mph) | 52km/h (32mph) | 44km/h (27mph) | 31km/h (19mph) | 16km/h (10mph) | 31km/h (19mph) | 34km/h (21mph) |
| Direction | 230° SW | 232° SW | 267° W | 339° NNW | 4° N | 101° E | 168° SSE | 164° SSE |
| Wind chill | 22°C (72°F) | 22°C (71°F) | 22°C (72°F) | 22°C (72°F) | 19°C (67°F) | 21°C (70°F) | 20°C (69°F) | 21°C (69°F) |
| Waves | ||||||||
| Height | 1.8m (5.8ft) | 1.6m (5.2ft) | 1.6m (5.4ft) | 1.4m (4.6ft) | 1.2m (4.0ft) | 1.1m (3.7ft) | 1.0m (3.4ft) | 1.0m (3.2ft) |
| Direction | 215° SW | 219° SW | 216° SW | 205° SSW | 209° SSW | 209° SSW | 204° SSW | 198° SSW |
| Period | 13.0 sec. | 12.9 sec. | 12.8 sec. | 9.8 sec. | 9.9 sec. | 7.1 sec. | 6.9 sec. | 7.0 sec. |
| Significant height | 2.1m (6.9ft) | 1.5m (4.9ft) | 1.4m (4.6ft) | 1.1m (3.6ft) | 0.8m (2.6ft) | 0.3m (1ft) | 1.0m (3.3ft) | 1.0m (3.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) |
Sea weather on Monday 20 July 2026
On Monday 20 July 2026, the sun will rise at 05:25 and will set at 20:08 on the beach(es) of Nantucket Island (Massachusetts). The outside temperature will be a high of 70°F t and a low of 67°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 13.1mph km/h (with gusts up to 19.3mph). Wave height will be up to 3ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | | | | |
| Outside temperature | 21°C (70°F) | 21°C (70°F) | 21°C (70°F) | 21°C (69°F) | 20°C (69°F) | 21°C (70°F) | 20°C (68°F) | 21°C (69°F) |
| Perceived temperature | 21°C (70°F) | 21°C (70°F) | 21°C (70°F) | 21°C (69°F) | 20°C (69°F) | 21°C (70°F) | 20°C (68°F) | 21°C (69°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 73% | 57% | 56% | 57% | 48% | 49% | 60% | 62% |
| Barometric pressure | 1013 hPa | 1013 hPa | 1015 hPa | 1016 hPa | 1017 hPa | 1017 hPa | 1017 hPa | 1018 hPa |
| Cloud cover | 3% | 3% | 2% | 3% | 7% | 14% | 8% | 3% |
| Heat index | 24°C (76°F) | 24°C (76°F) | 21°C (70°F) | 21°C (69°F) | 20°C (69°F) | 21°C (70°F) | 20°C (68°F) | 21°C (69°F) |
| Dew point | 16°C (61°F) | 12°C (54°F) | 12°C (53°F) | 12°C (53°F) | 9°C (48°F) | 10°C (50°F) | 12°C (54°F) | 13°C (56°F) |
| Wind | ||||||||
| Speed | 15km/h (9mph) | 21km/h (13mph) | 13km/h (8mph) | 12km/h (7mph) | 2km/h (1mph) | 9km/h (6mph) | 16km/h (10mph) | 17km/h (11mph) |
| Gusts | 22km/h (13mph) | 31km/h (19mph) | 18km/h (11mph) | 16km/h (10mph) | 4km/h (2mph) | 14km/h (9mph) | 29km/h (18mph) | 26km/h (16mph) |
| Direction | 329° NNW | 359° N | 342° NNW | 351° N | 50° NE | 178° S | 173° S | 182° S |
| Wind chill | 21°C (70°F) | 21°C (70°F) | 21°C (70°F) | 21°C (69°F) | 20°C (69°F) | 21°C (70°F) | 20°C (68°F) | 21°C (69°F) |
| Waves | ||||||||
| Height | 0.9m (3.0ft) | 0.9m (2.9ft) | 0.8m (2.7ft) | 0.8m (2.6ft) | 0.7m (2.4ft) | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.7m (2.2ft) |
| Direction | 197° SSW | 196° SSW | 194° SSW | 191° S | 188° S | 188° S | 188° S | 188° S |
| Period | 7.1 sec. | 7.1 sec. | 7.2 sec. | 7.3 sec. | 7.6 sec. | 7.5 sec. | 7.4 sec. | 7.3 sec. |
| Significant height | 1.0m (3.3ft) | 1.3m (4.3ft) | 0.9m (3ft) | 1.1m (3.6ft) | 1.0m (3.3ft) | 0.8m (2.6ft) | 0.9m (3ft) | 0.8m (2.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) |
Sea weather on Tuesday 21 July 2026
On Tuesday 21 July 2026, the sun will rise at 05:26 and will set at 20:08 on the beach(es) of Nantucket Island (Massachusetts). The outside temperature will be a high of 72°F t and a low of 70°F. Precipitation is in the forecast (0.4in throughout the day): choose the right time to go to the beach and dodge the raindrops. The sea will be generally calm, with a wind speed of up to 22.4mph km/h (with gusts up to 26.1mph). Wave height will be up to 4.3ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | | | |  |
| Outside temperature | 21°C (69°F) | 21°C (69°F) | 21°C (69°F) | 21°C (70°F) | 21°C (70°F) | 21°C (70°F) | 22°C (71°F) | 21°C (70°F) |
| Perceived temperature | 21°C (69°F) | 21°C (69°F) | 21°C (69°F) | 21°C (70°F) | 21°C (70°F) | 21°C (70°F) | 22°C (71°F) | 21°C (70°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0.4in |
| Humidity | 61% | 66% | 75% | 79% | 82% | 86% | 92% | 96% |
| Barometric pressure | 1017 hPa | 1016 hPa | 1016 hPa | 1017 hPa | 1016 hPa | 1013 hPa | 1011 hPa | 1009 hPa |
| Cloud cover | 0% | 0% | 0% | 46% | 100% | 18% | 97% | 100% |
| Heat index | 21°C (69°F) | 21°C (69°F) | 21°C (69°F) | 21°C (70°F) | 24°C (76°F) | 21°C (70°F) | 24°C (76°F) | 24°C (76°F) |
| Dew point | 13°C (55°F) | 14°C (57°F) | 16°C (61°F) | 17°C (63°F) | 18°C (65°F) | 18°C (65°F) | 20°C (68°F) | 21°C (69°F) |
| Wind | ||||||||
| Speed | 18km/h (11mph) | 11km/h (7mph) | 17km/h (10mph) | 21km/h (13mph) | 23km/h (14mph) | 27km/h (17mph) | 36km/h (23mph) | 35km/h (22mph) |
| Gusts | 26km/h (16mph) | 16km/h (10mph) | 25km/h (15mph) | 31km/h (19mph) | 38km/h (24mph) | 29km/h (18mph) | 42km/h (26mph) | 36km/h (23mph) |
| Direction | 178° S | 183° S | 159° SSE | 156° SSE | 157° SSE | 149° SSE | 153° SSE | 179° S |
| Wind chill | 21°C (69°F) | 21°C (69°F) | 21°C (69°F) | 21°C (70°F) | 21°C (70°F) | 21°C (70°F) | 22°C (71°F) | 21°C (70°F) |
| Waves | ||||||||
| Height | 0.7m (2.2ft) | 0.7m (2.2ft) | 0.7m (2.3ft) | 0.7m (2.4ft) | 0.7m (2.5ft) | 0.8m (2.6ft) | 1.0m (3.4ft) | 1.3m (4.2ft) |
| Direction | 186° S | 185° S | 185° S | 173° S | 172° S | 170° S | 164° SSE | 177° S |
| Period | 9.4 sec. | 6.9 sec. | 10.2 sec. | 8.6 sec. | 11.5 sec. | 8.3 sec. | 8.3 sec. | 8.3 sec. |
| Significant height | 0.7m (2.3ft) | 0.9m (3ft) | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.8m (2.6ft) | 0.8m (2.6ft) | 1.1m (3.6ft) | 1.3m (4.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) |
Sea weather on Wednesday 22 July 2026
On Wednesday 22 July 2026, the sun will rise at 05:27 and will set at 20:07 on the beach(es) of Nantucket Island (Massachusetts). The outside temperature will be a high of 72°F t and a low of 70°F. Precipitation is in the forecast (0.4in throughout the day): choose the right time to go to the beach and dodge the raindrops. Be careful, the sea will be generally rough with a wind speed of up to 34.2mph km/h (with gusts up to 37.3mph). Wave height will be up to 9.2ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | |  | | | |
| Outside temperature | 22°C (72°F) | 22°C (71°F) | 21°C (70°F) | 22°C (71°F) | 22°C (72°F) | 22°C (72°F) | 22°C (72°F) | 22°C (72°F) |
| Perceived temperature | 25°C (76°F) | 22°C (71°F) | 21°C (70°F) | 22°C (71°F) | 25°C (76°F) | 25°C (76°F) | 25°C (76°F) | 25°C (77°F) |
| Precipitation | 0in | 0in | 0in | 0.1in | 0.1in | 0in | 0.1in | 0in |
| Humidity | 90% | 92% | 95% | 97% | 96% | 95% | 94% | 93% |
| Barometric pressure | 1008 hPa | 1008 hPa | 1008 hPa | 1007 hPa | 1006 hPa | 1006 hPa | 1006 hPa | 1006 hPa |
| Cloud cover | 52% | 64% | 100% | 97% | 98% | 92% | 69% | 31% |
| Heat index | 25°C (76°F) | 24°C (76°F) | 21°C (70°F) | 23°C (74°F) | 25°C (76°F) | 25°C (76°F) | 25°C (76°F) | 25°C (77°F) |
| Dew point | 20°C (69°F) | 20°C (68°F) | 20°C (68°F) | 21°C (70°F) | 22°C (71°F) | 21°C (70°F) | 21°C (70°F) | 21°C (70°F) |
| Wind | ||||||||
| Speed | 55km/h (34mph) | 48km/h (30mph) | 40km/h (25mph) | 42km/h (26mph) | 46km/h (28mph) | 47km/h (29mph) | 48km/h (30mph) | 39km/h (24mph) |
| Gusts | 60km/h (37mph) | 49km/h (31mph) | 41km/h (26mph) | 46km/h (29mph) | 50km/h (31mph) | 50km/h (31mph) | 52km/h (32mph) | 43km/h (27mph) |
| Direction | 212° SSW | 208° SSW | 191° S | 201° SSW | 204° SSW | 207° SSW | 208° SSW | 215° SW |
| Wind chill | 22°C (72°F) | 22°C (71°F) | 21°C (70°F) | 22°C (71°F) | 22°C (72°F) | 22°C (72°F) | 22°C (72°F) | 22°C (72°F) |
| Waves | ||||||||
| Height | 1.8m (5.9ft) | 2.4m (7.9ft) | 2.7m (8.9ft) | 2.6m (8.5ft) | 2.8m (9.2ft) | 2.8m (9.2ft) | 2.5m (8.2ft) | 2.3m (7.5ft) |
| Direction | 187° S | 190° S | 193° SSW | 195° SSW | 197° SSW | 196° SSW | 196° SSW | 195° SSW |
| Period | 8.3 sec. | 8.3 sec. | 8.3 sec. | 8.3 sec. | 8.3 sec. | 8.3 sec. | 8.3 sec. | 8.3 sec. |
| Significant height | 1.8m (5.9ft) | 2.2m (7.2ft) | 2.2m (7.2ft) | 1.7m (5.6ft) | 1.7m (5.6ft) | 1.5m (4.9ft) | 1.3m (4.3ft) | 1.0m (3.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 22°C (71°F) | 22°C (71°F) | 22°C (71°F) | 22°C (71°F) | 22°C (71°F) |
Sea weather on Thursday 23 July 2026
On Thursday 23 July 2026, the sun will rise at 05:28 and will set at 20:06 on the beach(es) of Nantucket Island (Massachusetts). The outside temperature will be a high of 72°F t and a low of 67°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 18.6mph km/h (with gusts up to 21.8mph). Wave height will be up to 6.9ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | | | | |
| Outside temperature | 22°C (72°F) | 22°C (71°F) | 22°C (71°F) | 21°C (71°F) | 21°C (69°F) | 20°C (67°F) | 20°C (67°F) | 20°C (69°F) |
| Perceived temperature | 25°C (76°F) | 22°C (71°F) | 22°C (71°F) | 21°C (71°F) | 21°C (69°F) | 20°C (67°F) | 20°C (67°F) | 20°C (69°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 95% | 94% | 87% | 80% | 73% | 71% | 73% | 77% |
| Barometric pressure | 1007 hPa | 1006 hPa | 1007 hPa | 1009 hPa | 1010 hPa | 1014 hPa | 1014 hPa | 1013 hPa |
| Cloud cover | 73% | 67% | 50% | 43% | 16% | 6% | 6% | 7% |
| Heat index | 25°C (76°F) | 25°C (76°F) | 24°C (76°F) | 24°C (76°F) | 22°C (71°F) | 20°C (67°F) | 20°C (67°F) | 20°C (69°F) |
| Dew point | 21°C (70°F) | 21°C (70°F) | 20°C (67°F) | 18°C (64°F) | 16°C (60°F) | 14°C (58°F) | 14°C (58°F) | 16°C (61°F) |
| Wind | ||||||||
| Speed | 30km/h (19mph) | 26km/h (16mph) | 19km/h (12mph) | 10km/h (6mph) | 8km/h (5mph) | 21km/h (13mph) | 19km/h (12mph) | 16km/h (10mph) |
| Gusts | 31km/h (19mph) | 35km/h (22mph) | 30km/h (18mph) | 15km/h (10mph) | 14km/h (9mph) | 35km/h (22mph) | 35km/h (21mph) | 26km/h (16mph) |
| Direction | 207° SSW | 238° WSW | 313° NW | 328° NNW | 270° W | 234° SW | 227° SW | 221° SW |
| Wind chill | 22°C (72°F) | 22°C (71°F) | 22°C (71°F) | 21°C (71°F) | 21°C (69°F) | 20°C (67°F) | 20°C (67°F) | 20°C (69°F) |
| Waves | ||||||||
| Height | 2.1m (6.9ft) | 1.9m (6.2ft) | 1.9m (6.2ft) | 1.8m (5.9ft) | 1.7m (5.6ft) | 1.8m (5.9ft) | 1.7m (5.6ft) | 1.5m (4.9ft) |
| Direction | 193° SSW | 191° S | 190° S | 187° S | 186° S | 185° S | 183° S | 181° S |
| Period | 8.3 sec. | 9.1 sec. | 9.4 sec. | 9.3 sec. | 8.8 sec. | 8.4 sec. | 8.2 sec. | 8.0 sec. |
| Significant height | 1.0m (3.3ft) | 0.7m (2.3ft) | 0.6m (2ft) | 0.6m (2ft) | 0.7m (2.3ft) | 0.9m (3ft) | 0.8m (2.6ft) | 0.7m (2.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 22°C (71°F) | 22°C (71°F) | 22°C (71°F) | 22°C (71°F) | 22°C (71°F) | 22°C (71°F) | 22°C (71°F) | 22°C (71°F) |