Sea weather in Key West in Florida All the beach weather in Key West
All the essential weather information for enjoying the beach in Key West in Florida, 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 Key West over the next 7 days?
Discover the best moment to go to the beach in Key West in Florida this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Key West. 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 |
|---|---|---|---|---|
| Sunday 28 June 2026 | 85°F to 86°F | 14.9mph | discouraged | all the sea weather |
| Monday 29 June 2026 | 83°F to 86°F | 11.2mph | discouraged | all the sea weather |
| Tuesday 30 June 2026 | 81°F to 86°F | 6.2mph | recommended | all the sea weather |
| Wednesday 1 July 2026 | 79°F to 85°F | 5mph | recommended | all the sea weather |
| Thursday 2 July 2026 | 77°F to 85°F | 8.1mph | recommended | all the sea weather |
| Friday 3 July 2026 | 85°F to 86°F | 9.3mph | recommended | all the sea weather |
| Saturday 4 July 2026 | 85°F to 86°F | 13.1mph | discouraged | all the sea weather |
Sea Weather: Your daily and hourly sea weather in Key West
Sea weather on Sunday 28 June 2026
On Sunday 28 June 2026, the sun will rise at 06:41 and will set at 20:20 on the beach(es) of Key West. The outside temperature will be a high of 86°F t and a low of 85°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 14.9mph km/h (with gusts up to 20.5mph). Wave height will be up to 2ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
| Outside temperature | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) | 29°C (84°F) | 29°C (84°F) | 30°C (85°F) | 30°C (85°F) |
| Perceived temperature | 34°C (93°F) | 34°C (93°F) | 34°C (93°F) | 34°C (93°F) | 33°C (92°F) | 33°C (92°F) | 34°C (93°F) | 34°C (94°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 72% | 71% | 72% | 72% | 71% | 72% | 70% | 71% |
| Barometric pressure | 1018 hPa | 1016 hPa | 1016 hPa | 1018 hPa | 1018 hPa | 1017 hPa | 1015 hPa | 1016 hPa |
| Cloud cover | 64% | 67% | 59% | 55% | 57% | 30% | 35% | 33% |
| Heat index | 34°C (93°F) | 34°C (93°F) | 34°C (93°F) | 34°C (93°F) | 33°C (92°F) | 33°C (92°F) | 34°C (93°F) | 34°C (94°F) |
| Dew point | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) | 23°C (74°F) | 23°C (74°F) | 24°C (74°F) | 24°C (75°F) |
| Wind | ||||||||
| Speed | 20km/h (12mph) | 23km/h (14mph) | 23km/h (14mph) | 20km/h (13mph) | 17km/h (11mph) | 15km/h (9mph) | 19km/h (12mph) | 24km/h (15mph) |
| Gusts | 27km/h (17mph) | 30km/h (19mph) | 31km/h (19mph) | 27km/h (17mph) | 25km/h (16mph) | 22km/h (13mph) | 27km/h (17mph) | 33km/h (21mph) |
| Direction | 97° E | 106° ESE | 110° ESE | 116° ESE | 121° ESE | 106° ESE | 108° ESE | 91° E |
| Wind chill | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) | 29°C (84°F) | 29°C (84°F) | 30°C (85°F) | 30°C (85°F) |
| Waves | ||||||||
| Height | 0.4m (1.4ft) | 0.5m (1.6ft) | 0.3m (1.1ft) | 0.3m (1.0ft) | 0.6m (1.9ft) | 0.5m (1.7ft) | 0.5m (1.6ft) | 0.6m (2.1ft) |
| Direction | 102° ESE | 110° ESE | 105° ESE | 118° ESE | 112° ESE | 109° ESE | 106° ESE | 106° ESE |
| Period | 0.1 sec. | 0.1 sec. | 3.1 sec. | 3.1 sec. | 0.1 sec. | 0.1 sec. | 0.1 sec. | 0.1 sec. |
| Significant height | 0.8m (2.6ft) | 0.8m (2.6ft) | 0.6m (2ft) | 0.5m (1.6ft) | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.9m (3ft) |
| Sea water temperature | ||||||||
| Water temperature | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) |
Sea weather on Monday 29 June 2026
On Monday 29 June 2026, the sun will rise at 06:41 and will set at 20:20 on the beach(es) of Key West. The outside temperature will be a high of 86°F t and a low of 83°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 15.5mph km/h (with gusts up to 20.5mph). 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 | 29°C (85°F) | 29°C (85°F) | 30°C (85°F) | 29°C (85°F) | 29°C (84°F) | 29°C (85°F) | 29°C (84°F) | 29°C (85°F) |
| Perceived temperature | 34°C (93°F) | 34°C (93°F) | 34°C (93°F) | 33°C (92°F) | 32°C (90°F) | 33°C (91°F) | 32°C (90°F) | 34°C (93°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 72% | 72% | 71% | 68% | 67% | 64% | 66% | 71% |
| Barometric pressure | 1016 hPa | 1015 hPa | 1016 hPa | 1017 hPa | 1018 hPa | 1017 hPa | 1016 hPa | 1017 hPa |
| Cloud cover | 12% | 58% | 75% | 17% | 26% | 15% | 14% | 12% |
| Heat index | 34°C (93°F) | 34°C (93°F) | 34°C (93°F) | 33°C (92°F) | 32°C (90°F) | 33°C (91°F) | 32°C (90°F) | 34°C (93°F) |
| Dew point | 24°C (75°F) | 24°C (75°F) | 24°C (74°F) | 23°C (73°F) | 22°C (72°F) | 22°C (72°F) | 22°C (71°F) | 24°C (74°F) |
| Wind | ||||||||
| Speed | 25km/h (15mph) | 22km/h (13mph) | 24km/h (15mph) | 23km/h (14mph) | 17km/h (11mph) | 13km/h (8mph) | 15km/h (9mph) | 18km/h (11mph) |
| Gusts | 33km/h (21mph) | 29km/h (18mph) | 33km/h (20mph) | 32km/h (20mph) | 26km/h (16mph) | 20km/h (12mph) | 24km/h (15mph) | 24km/h (15mph) |
| Direction | 98° E | 99° E | 105° ESE | 100° E | 100° E | 83° E | 93° E | 87° E |
| Wind chill | 29°C (85°F) | 29°C (85°F) | 30°C (85°F) | 29°C (85°F) | 29°C (84°F) | 29°C (85°F) | 29°C (84°F) | 29°C (85°F) |
| Waves | ||||||||
| Height | 0.7m (2.5ft) | 0.7m (2.4ft) | 0.7m (2.4ft) | 0.7m (2.3ft) | 0.6m (1.9ft) | 0.5m (1.6ft) | 0.4m (1.5ft) | 0.5m (1.6ft) |
| Direction | 101° E | 109° ESE | 104° ESE | 98° E | 98° E | 103° ESE | 104° ESE | 102° ESE |
| Period | 0.1 sec. | 0.1 sec. | 0.1 sec. | 0.1 sec. | 0.1 sec. | 4.5 sec. | 4.5 sec. | 4.5 sec. |
| Significant height | 0.9m (3ft) | 0.9m (3ft) | 0.9m (3ft) | 0.9m (3ft) | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.8m (2.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 31°C (88°F) | 31°C (88°F) | 31°C (88°F) | 31°C (88°F) | 31°C (88°F) | 31°C (88°F) | 31°C (88°F) | 31°C (88°F) |
Sea weather on Tuesday 30 June 2026
On Tuesday 30 June 2026, the sun will rise at 06:42 and will set at 20:20 on the beach(es) of Key West. The outside temperature will be a high of 86°F t and a low of 81°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 11.2mph km/h (with gusts up to 15.5mph). Wave height will be up to 1.6ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
| Outside temperature | 30°C (85°F) | 29°C (85°F) | 29°C (84°F) | 29°C (84°F) | 29°C (84°F) | 27°C (81°F) | 29°C (84°F) | 30°C (85°F) |
| Perceived temperature | 34°C (93°F) | 33°C (92°F) | 33°C (91°F) | 33°C (91°F) | 32°C (90°F) | 29°C (85°F) | 32°C (89°F) | 33°C (92°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 69% | 69% | 71% | 71% | 68% | 65% | 62% | 66% |
| Barometric pressure | 1017 hPa | 1015 hPa | 1015 hPa | 1017 hPa | 1017 hPa | 1016 hPa | 1014 hPa | 1015 hPa |
| Cloud cover | 30% | 27% | 52% | 66% | 56% | 11% | 0% | 7% |
| Heat index | 34°C (93°F) | 33°C (92°F) | 33°C (91°F) | 33°C (91°F) | 32°C (90°F) | 29°C (85°F) | 32°C (89°F) | 33°C (92°F) |
| Dew point | 23°C (74°F) | 23°C (73°F) | 23°C (74°F) | 23°C (74°F) | 22°C (72°F) | 20°C (69°F) | 21°C (70°F) | 23°C (73°F) |
| Wind | ||||||||
| Speed | 18km/h (11mph) | 17km/h (11mph) | 15km/h (9mph) | 9km/h (6mph) | 6km/h (4mph) | 8km/h (5mph) | 6km/h (4mph) | 10km/h (6mph) |
| Gusts | 25km/h (15mph) | 23km/h (14mph) | 20km/h (12mph) | 13km/h (8mph) | 9km/h (6mph) | 16km/h (10mph) | 9km/h (6mph) | 14km/h (9mph) |
| Direction | 75° ENE | 92° E | 115° ESE | 106° ESE | 64° ENE | 359° N | 322° NW | 23° NNE |
| Wind chill | 30°C (85°F) | 29°C (85°F) | 29°C (84°F) | 29°C (84°F) | 29°C (84°F) | 27°C (81°F) | 29°C (84°F) | 30°C (85°F) |
| Waves | ||||||||
| Height | 0.5m (1.8ft) | 0.5m (1.6ft) | 0.4m (1.5ft) | 0.4m (1.3ft) | 0.3m (1.1ft) | 0.3m (1.0ft) | 0.3m (0.9ft) | 0.2m (0.8ft) |
| Direction | 103° ESE | 102° ESE | 101° E | 101° ESE | 104° ESE | 106° ESE | 105° ESE | 104° ESE |
| Period | 4.5 sec. | 4.5 sec. | 4.5 sec. | 4.5 sec. | 4.2 sec. | 4.1 sec. | 4.0 sec. | 3.8 sec. |
| Significant height | 0.8m (2.6ft) | 0.7m (2.3ft) | 0.6m (2ft) | 0.6m (2ft) | 0.5m (1.6ft) | 0.4m (1.3ft) | 0.4m (1.3ft) | 0.4m (1.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 31°C (88°F) | 31°C (88°F) | 31°C (88°F) | 31°C (88°F) | 31°C (88°F) | 31°C (88°F) | 31°C (88°F) | 31°C (88°F) |
Sea weather on Wednesday 1 July 2026
On Wednesday 1 July 2026, the sun will rise at 06:42 and will set at 20:20 on the beach(es) of Key West. The outside temperature will be a high of 85°F t and a low of 79°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 5.6mph km/h (with gusts up to 7.5mph). Wave height will be up to 0.7ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
| Outside temperature | 29°C (85°F) | 29°C (85°F) | 29°C (84°F) | 29°C (83°F) | 28°C (82°F) | 27°C (80°F) | 28°C (83°F) | 29°C (84°F) |
| Perceived temperature | 33°C (92°F) | 33°C (91°F) | 32°C (90°F) | 32°C (90°F) | 31°C (88°F) | 28°C (83°F) | 31°C (87°F) | 32°C (90°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 68% | 68% | 69% | 73% | 70% | 66% | 64% | 65% |
| Barometric pressure | 1015 hPa | 1014 hPa | 1014 hPa | 1015 hPa | 1016 hPa | 1015 hPa | 1014 hPa | 1015 hPa |
| Cloud cover | 7% | 21% | 59% | 37% | 80% | 5% | 4% | 3% |
| Heat index | 33°C (92°F) | 33°C (91°F) | 32°C (90°F) | 32°C (90°F) | 31°C (88°F) | 28°C (83°F) | 31°C (87°F) | 32°C (90°F) |
| Dew point | 23°C (73°F) | 23°C (73°F) | 23°C (73°F) | 23°C (74°F) | 22°C (72°F) | 20°C (68°F) | 21°C (69°F) | 22°C (72°F) |
| Wind | ||||||||
| Speed | 7km/h (4mph) | 3km/h (2mph) | 4km/h (2mph) | 9km/h (5mph) | 8km/h (5mph) | 4km/h (2mph) | 3km/h (2mph) | 8km/h (5mph) |
| Gusts | 10km/h (6mph) | 4km/h (2mph) | 5km/h (3mph) | 12km/h (7mph) | 12km/h (7mph) | 8km/h (5mph) | 5km/h (3mph) | 11km/h (7mph) |
| Direction | 36° NE | 37° NE | 144° SE | 149° SSE | 155° SSE | 154° SSE | 118° ESE | 27° NNE |
| Wind chill | 29°C (85°F) | 29°C (85°F) | 29°C (84°F) | 29°C (83°F) | 28°C (82°F) | 27°C (80°F) | 28°C (83°F) | 29°C (84°F) |
| Waves | ||||||||
| Height | 0.2m (0.7ft) | 0.2m (0.7ft) | 0.2m (0.8ft) | 0.2m (0.8ft) | 0.2m (0.8ft) | 0.2m (0.7ft) | 0.2m (0.6ft) | 0.2m (0.6ft) |
| Direction | 100° E | 102° ESE | 109° ESE | 110° ESE | 108° ESE | 106° ESE | 105° ESE | 105° ESE |
| Period | 3.8 sec. | 3.1 sec. | 3.0 sec. | 3.3 sec. | 3.6 sec. | 3.5 sec. | 3.5 sec. | 3.4 sec. |
| Significant height | 0.6m (2ft) | 0.3m (1ft) | 0.3m (1ft) | 0.3m (1ft) | 0.4m (1.3ft) | 0.3m (1ft) | 0.3m (1ft) | 0.4m (1.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 31°C (88°F) | 31°C (88°F) | 31°C (88°F) | 31°C (88°F) | 31°C (88°F) | 31°C (88°F) | 31°C (88°F) | 31°C (88°F) |
Sea weather on Thursday 2 July 2026
On Thursday 2 July 2026, the sun will rise at 06:42 and will set at 20:20 on the beach(es) of Key West. The outside temperature will be a high of 85°F t and a low of 77°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 8.1mph km/h (with gusts up to 14.3mph). Wave height will be up to 1.3ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
| Outside temperature | 29°C (85°F) | 29°C (84°F) | 29°C (83°F) | 29°C (84°F) | 25°C (77°F) | 27°C (81°F) | 29°C (83°F) | 29°C (85°F) |
| Perceived temperature | 33°C (91°F) | 32°C (90°F) | 32°C (90°F) | 32°C (90°F) | 27°C (80°F) | 29°C (84°F) | 31°C (88°F) | 33°C (92°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 67% | 67% | 71% | 71% | 67% | 64% | 64% | 69% |
| Barometric pressure | 1015 hPa | 1014 hPa | 1015 hPa | 1016 hPa | 1017 hPa | 1016 hPa | 1016 hPa | 1017 hPa |
| Cloud cover | 3% | 19% | 61% | 53% | 2% | 3% | 0% | 3% |
| Heat index | 33°C (91°F) | 32°C (90°F) | 32°C (90°F) | 32°C (90°F) | 27°C (80°F) | 29°C (84°F) | 31°C (88°F) | 33°C (92°F) |
| Dew point | 23°C (73°F) | 22°C (72°F) | 23°C (73°F) | 23°C (73°F) | 19°C (66°F) | 20°C (67°F) | 21°C (70°F) | 23°C (73°F) |
| Wind | ||||||||
| Speed | 13km/h (8mph) | 12km/h (7mph) | 11km/h (7mph) | 13km/h (8mph) | 11km/h (7mph) | 10km/h (6mph) | 8km/h (5mph) | 13km/h (8mph) |
| Gusts | 18km/h (11mph) | 16km/h (10mph) | 15km/h (9mph) | 17km/h (11mph) | 23km/h (15mph) | 19km/h (12mph) | 13km/h (8mph) | 18km/h (11mph) |
| Direction | 89° E | 141° SE | 129° SE | 130° SE | 129° SE | 122° ESE | 103° ESE | 89° E |
| Wind chill | 29°C (85°F) | 29°C (84°F) | 29°C (83°F) | 29°C (84°F) | 25°C (77°F) | 27°C (81°F) | 29°C (83°F) | 29°C (85°F) |
| Waves | ||||||||
| Height | 0.3m (1.0ft) | 0.4m (1.3ft) | 0.4m (1.3ft) | 0.3m (1.1ft) | 0.3m (1.0ft) | 0.3m (1.0ft) | 0.3m (0.9ft) | 0.3m (1.1ft) |
| Direction | 106° ESE | 115° ESE | 117° ESE | 110° ESE | 106° ESE | 105° ESE | 104° ESE | 101° E |
| Period | 4.0 sec. | 4.0 sec. | 4.0 sec. | 3.9 sec. | 3.9 sec. | 3.9 sec. | 3.9 sec. | 3.9 sec. |
| Significant height | 0.5m (1.6ft) | 0.7m (2.3ft) | 0.6m (2ft) | 0.5m (1.6ft) | 0.6m (2ft) | 0.6m (2ft) | 0.6m (2ft) | 0.7m (2.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 31°C (88°F) | 31°C (88°F) | 31°C (88°F) | 31°C (88°F) | 31°C (88°F) | 31°C (88°F) | 31°C (88°F) | 31°C (88°F) |
Sea weather on Friday 3 July 2026
On Friday 3 July 2026, the sun will rise at 06:43 and will set at 20:20 on the beach(es) of Key West. The outside temperature will be a high of 86°F t and a low of 85°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 10.6mph km/h (with gusts up to 13.7mph). Wave height will be up to 1.6ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
| Outside temperature | 29°C (85°F) | 29°C (84°F) | 29°C (84°F) | 29°C (84°F) | 29°C (84°F) | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) |
| Perceived temperature | 34°C (93°F) | 33°C (92°F) | 33°C (92°F) | 33°C (92°F) | 33°C (92°F) | 34°C (92°F) | 33°C (92°F) | 34°C (93°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 72% | 70% | 70% | 71% | 72% | 71% | 69% | 71% |
| Barometric pressure | 1017 hPa | 1016 hPa | 1017 hPa | 1018 hPa | 1018 hPa | 1018 hPa | 1017 hPa | 1018 hPa |
| Cloud cover | 64% | 41% | 53% | 52% | 56% | 63% | 29% | 13% |
| Heat index | 34°C (93°F) | 33°C (92°F) | 33°C (92°F) | 33°C (92°F) | 33°C (92°F) | 34°C (92°F) | 33°C (92°F) | 34°C (93°F) |
| Dew point | 24°C (75°F) | 23°C (74°F) | 23°C (74°F) | 23°C (74°F) | 24°C (74°F) | 24°C (74°F) | 23°C (73°F) | 24°C (74°F) |
| Wind | ||||||||
| Speed | 17km/h (10mph) | 16km/h (10mph) | 14km/h (9mph) | 12km/h (7mph) | 10km/h (6mph) | 11km/h (7mph) | 10km/h (6mph) | 15km/h (9mph) |
| Gusts | 22km/h (14mph) | 21km/h (13mph) | 19km/h (12mph) | 16km/h (10mph) | 15km/h (9mph) | 16km/h (10mph) | 14km/h (9mph) | 21km/h (13mph) |
| Direction | 121° ESE | 118° ESE | 117° ESE | 115° ESE | 109° ESE | 105° ESE | 108° ESE | 85° E |
| Wind chill | 29°C (85°F) | 29°C (84°F) | 29°C (84°F) | 29°C (84°F) | 29°C (84°F) | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) |
| Waves | ||||||||
| Height | 0.4m (1.3ft) | 0.5m (1.5ft) | 0.5m (1.5ft) | 0.4m (1.3ft) | 0.3m (1.0ft) | 0.3m (1.0ft) | 0.3m (1.0ft) | 0.3m (1.0ft) |
| Direction | 103° ESE | 108° ESE | 108° ESE | 107° ESE | 106° ESE | 105° ESE | 104° ESE | 104° ESE |
| Period | 3.9 sec. | 3.9 sec. | 3.9 sec. | 4.0 sec. | 4.1 sec. | 4.0 sec. | 4.0 sec. | 4.0 sec. |
| Significant height | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.6m (2ft) | 0.5m (1.6ft) | 0.5m (1.6ft) | 0.5m (1.6ft) | 0.5m (1.6ft) | 0.7m (2.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 31°C (88°F) | 31°C (88°F) | 31°C (88°F) | 31°C (88°F) | 31°C (88°F) | 31°C (88°F) | 31°C (88°F) | 31°C (88°F) |
Sea weather on Saturday 4 July 2026
On Saturday 4 July 2026, the sun will rise at 06:43 and will set at 20:20 on the beach(es) of Key West. The outside temperature will be a high of 86°F t and a low of 85°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 17.4mph). Wave height will be up to 1.6ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
| Outside temperature | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) | 29°C (84°F) | 29°C (84°F) | 29°C (84°F) | 29°C (84°F) | 29°C (85°F) |
| Perceived temperature | 34°C (94°F) | 34°C (93°F) | 34°C (92°F) | 34°C (92°F) | 33°C (92°F) | 33°C (92°F) | 34°C (92°F) | 34°C (92°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 72% | 71% | 72% | 74% | 72% | 74% | 73% | 69% |
| Barometric pressure | 1017 hPa | 1016 hPa | 1016 hPa | 1017 hPa | 1017 hPa | 1017 hPa | 1016 hPa | 1017 hPa |
| Cloud cover | 40% | 45% | 52% | 66% | 63% | 56% | 35% | 11% |
| Heat index | 34°C (94°F) | 34°C (93°F) | 34°C (92°F) | 34°C (92°F) | 33°C (92°F) | 33°C (92°F) | 34°C (92°F) | 34°C (92°F) |
| Dew point | 24°C (75°F) | 24°C (74°F) | 24°C (74°F) | 24°C (75°F) | 24°C (74°F) | 24°C (74°F) | 24°C (75°F) | 23°C (74°F) |
| Wind | ||||||||
| Speed | 18km/h (11mph) | 19km/h (12mph) | 18km/h (11mph) | 18km/h (11mph) | 18km/h (11mph) | 16km/h (10mph) | 15km/h (9mph) | 21km/h (13mph) |
| Gusts | 24km/h (15mph) | 26km/h (16mph) | 23km/h (15mph) | 24km/h (15mph) | 25km/h (15mph) | 23km/h (14mph) | 21km/h (13mph) | 28km/h (17mph) |
| Direction | 95° E | 112° ESE | 114° ESE | 111° ESE | 115° ESE | 116° ESE | 105° ESE | 96° E |
| Wind chill | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) | 29°C (84°F) | 29°C (84°F) | 29°C (84°F) | 29°C (84°F) | 29°C (85°F) |
| Waves | ||||||||
| Height | 0.4m (1.3ft) | 0.5m (1.6ft) | 0.4m (1.3ft) | 0.4m (1.3ft) | 0.4m (1.3ft) | 0.3m (1.0ft) | 0.3m (1.0ft) | 0.3m (1.0ft) |
| Direction | 105° ESE | 106° ESE | 106° ESE | 107° ESE | 108° ESE | 107° ESE | 107° ESE | 106° ESE |
| Period | 4.0 sec. | 4.0 sec. | 4.0 sec. | 4.0 sec. | 4.0 sec. | 4.0 sec. | 3.9 sec. | 3.9 sec. |
| Significant height | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.6m (2ft) | 0.6m (2ft) | 0.6m (2ft) | 0.5m (1.6ft) | 0.4m (1.3ft) | 0.6m (2ft) |
| Sea water temperature | ||||||||
| Water temperature | 31°C (88°F) | 31°C (88°F) | 31°C (88°F) | 31°C (88°F) | 31°C (88°F) | 31°C (88°F) | 31°C (88°F) | 31°C (88°F) |






