Sea weather in Stewart Island in New Zealand All the beach weather in Stewart Island
All the essential weather information for enjoying the beach in Stewart Island in New Zealand, 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 Stewart Island over the next 7 days?
Discover the best moment to go to the beach in Stewart Island in New Zealand this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Stewart Island. 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 |
|---|---|---|---|---|
| Saturday 13 December 2025 | 49°F to 58°F | 2.5mph | recommended | all the sea weather |
| Sunday 14 December 2025 | 54°F to 58°F | 5mph | discouraged | all the sea weather |
| Monday 15 December 2025 | 50°F to 65°F | 11.8mph | not recommended | all the sea weather |
| Tuesday 16 December 2025 | 49°F to 58°F | 11.8mph | discouraged | all the sea weather |
| Wednesday 17 December 2025 | 47°F to 52°F | 5.6mph | discouraged | all the sea weather |
| Thursday 18 December 2025 | 49°F to 54°F | 5.6mph | recommended | all the sea weather |
| Friday 19 December 2025 | 50°F to 54°F | 19.3mph | discouraged | all the sea weather |
Sea Weather: Your daily and hourly sea weather in Stewart Island
Sea weather on Saturday 13 December 2025
On Saturday 13 December 2025, the sun will rise at 05:47 and will set at 21:36 on the beach(es) of Stewart Island. The outside temperature will be a high of 58°F t and a low of 49°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 8.7mph km/h (with gusts up to 14.3mph). 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 | 10°C (51°F) | 10°C (49°F) | 10°C (49°F) | 13°C (55°F) | 14°C (56°F) | 11°C (52°F) | 12°C (54°F) | 12°C (54°F) |
| Perceived temperature | 9°C (47°F) | 8°C (46°F) | 9°C (47°F) | 12°C (54°F) | 13°C (55°F) | 10°C (49°F) | 12°C (54°F) | 13°C (55°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 86% | 88% | 86% | 71% | 71% | 68% | 67% | 81% |
| Barometric pressure | 1019 hPa | 1019 hPa | 1020 hPa | 1021 hPa | 1020 hPa | 1019 hPa | 1019 hPa | 1020 hPa |
| Cloud cover | 9% | 12% | 7% | 24% | 98% | 2% | 4% | 45% |
| Heat index | 10°C (51°F) | 10°C (49°F) | 10°C (49°F) | 13°C (55°F) | 14°C (56°F) | 11°C (52°F) | 12°C (54°F) | 12°C (54°F) |
| Dew point | 8°C (47°F) | 8°C (46°F) | 8°C (46°F) | 8°C (46°F) | 8°C (47°F) | 5°C (42°F) | 7°C (44°F) | 9°C (48°F) |
| Wind | ||||||||
| Speed | 14km/h (9mph) | 11km/h (7mph) | 8km/h (5mph) | 8km/h (5mph) | 12km/h (7mph) | 11km/h (7mph) | 7km/h (4mph) | 4km/h (2mph) |
| Gusts | 22km/h (13mph) | 19km/h (12mph) | 13km/h (8mph) | 10km/h (6mph) | 16km/h (10mph) | 23km/h (15mph) | 13km/h (8mph) | 6km/h (4mph) |
| Direction | 260° W | 264° W | 290° WNW | 352° N | 44° NE | 101° ESE | 135° SE | 87° E |
| Wind chill | 9°C (47°F) | 8°C (46°F) | 9°C (47°F) | 12°C (54°F) | 13°C (55°F) | 10°C (49°F) | 12°C (54°F) | 13°C (55°F) |
| Waves | ||||||||
| Height | 0.9m (3.1ft) | 0.9m (3.0ft) | 0.9m (2.9ft) | 0.8m (2.8ft) | 0.8m (2.7ft) | 0.8m (2.5ft) | 0.7m (2.4ft) | 0.7m (2.2ft) |
| Direction | 221° SW | 214° SSW | 210° SSW | 212° SSW | 210° SSW | 206° SSW | 205° SSW | 202° SSW |
| Period | 9.7 sec. | 9.6 sec. | 7.3 sec. | 7.3 sec. | 7.2 sec. | 10.5 sec. | 6.2 sec. | 9.8 sec. |
| Significant height | 0.6m (2ft) | 0.4m (1.3ft) | 0.3m (1ft) | 0.3m (1ft) | 0.2m (0.7ft) | 0.3m (1ft) | 0.5m (1.6ft) | 0.1m (0.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 11°C (52°F) | 11°C (52°F) | 11°C (52°F) | 11°C (52°F) | 11°C (52°F) | 11°C (52°F) | 11°C (52°F) | 11°C (52°F) |
Sea weather on Sunday 14 December 2025
On Sunday 14 December 2025, the sun will rise at 05:47 and will set at 21:37 on the beach(es) of Stewart Island. The outside temperature will be a high of 58°F t and a low of 54°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 23mph). 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 | 12°C (54°F) | 12°C (53°F) | 12°C (53°F) | 13°C (55°F) | 14°C (56°F) | 13°C (55°F) | 13°C (55°F) | 12°C (54°F) |
| Perceived temperature | 12°C (53°F) | 12°C (53°F) | 11°C (52°F) | 12°C (53°F) | 12°C (54°F) | 11°C (51°F) | 11°C (52°F) | 12°C (53°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 80% | 84% | 85% | 80% | 75% | 78% | 82% | 94% |
| Barometric pressure | 1021 hPa | 1019 hPa | 1018 hPa | 1018 hPa | 1017 hPa | 1014 hPa | 1012 hPa | 1010 hPa |
| Cloud cover | 44% | 25% | 36% | 52% | 19% | 5% | 15% | 17% |
| Heat index | 12°C (54°F) | 12°C (53°F) | 12°C (53°F) | 13°C (55°F) | 14°C (56°F) | 13°C (55°F) | 13°C (55°F) | 12°C (54°F) |
| Dew point | 9°C (48°F) | 9°C (48°F) | 9°C (49°F) | 10°C (49°F) | 9°C (49°F) | 9°C (48°F) | 10°C (50°F) | 12°C (53°F) |
| Wind | ||||||||
| Speed | 7km/h (4mph) | 1km/h (1mph) | 9km/h (6mph) | 13km/h (8mph) | 13km/h (8mph) | 22km/h (13mph) | 15km/h (10mph) | 8km/h (5mph) |
| Gusts | 11km/h (7mph) | 2km/h (1mph) | 14km/h (9mph) | 17km/h (11mph) | 19km/h (12mph) | 37km/h (23mph) | 26km/h (16mph) | 14km/h (9mph) |
| Direction | 240° WSW | 82° E | 15° NNE | 42° NE | 69° ENE | 92° E | 88° E | 45° NE |
| Wind chill | 12°C (53°F) | 12°C (53°F) | 11°C (52°F) | 12°C (53°F) | 12°C (54°F) | 11°C (51°F) | 11°C (52°F) | 12°C (53°F) |
| Waves | ||||||||
| Height | 0.6m (2.1ft) | 0.6m (2.0ft) | 0.6m (1.9ft) | 0.6m (2.0ft) | 0.6m (2.1ft) | 0.8m (2.7ft) | 0.9m (3.0ft) | 0.9m (3.0ft) |
| Direction | 198° SSW | 192° SSW | 183° S | 182° S | 192° SSW | 211° SSW | 217° SW | 213° SSW |
| Period | 6.2 sec. | 6.2 sec. | 8.8 sec. | 8.4 sec. | 9.6 sec. | 9.7 sec. | 14.7 sec. | 4.3 sec. |
| Significant height | 0.4m (1.3ft) | 0.4m (1.3ft) | 0.1m (0.3ft) | 0.4m (1.3ft) | 0.6m (2ft) | 0.9m (3ft) | 0.8m (2.6ft) | 0.4m (1.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 11°C (52°F) | 11°C (52°F) | 11°C (52°F) | 11°C (52°F) | 11°C (52°F) | 11°C (52°F) | 11°C (52°F) | 11°C (52°F) |
Sea weather on Monday 15 December 2025
On Monday 15 December 2025, the sun will rise at 05:47 and will set at 21:38 on the beach(es) of Stewart Island. The outside temperature will be a high of 65°F t and a low of 50°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 28.6mph km/h (with gusts up to 29.2mph). Wave height will be up to 5.6ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | |  |  | | | |
| Outside temperature | 14°C (56°F) | 15°C (59°F) | 15°C (59°F) | 18°C (64°F) | 12°C (53°F) | 10°C (51°F) | 11°C (51°F) | 11°C (52°F) |
| Perceived temperature | 12°C (54°F) | 15°C (59°F) | 15°C (59°F) | 18°C (64°F) | 9°C (49°F) | 8°C (46°F) | 8°C (47°F) | 9°C (48°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0.1in | 0in | 0in | 0in |
| Humidity | 80% | 61% | 65% | 56% | 89% | 86% | 81% | 88% |
| Barometric pressure | 1007 hPa | 1003 hPa | 1001 hPa | 998 hPa | 1002 hPa | 1002 hPa | 1002 hPa | 1003 hPa |
| Cloud cover | 68% | 49% | 47% | 76% | 95% | 75% | 64% | 88% |
| Heat index | 14°C (56°F) | 15°C (59°F) | 15°C (59°F) | 18°C (64°F) | 12°C (53°F) | 10°C (51°F) | 11°C (51°F) | 11°C (52°F) |
| Dew point | 10°C (50°F) | 8°C (46°F) | 9°C (47°F) | 9°C (48°F) | 10°C (50°F) | 8°C (47°F) | 8°C (46°F) | 9°C (49°F) |
| Wind | ||||||||
| Speed | 16km/h (10mph) | 35km/h (22mph) | 36km/h (23mph) | 46km/h (29mph) | 21km/h (13mph) | 22km/h (13mph) | 20km/h (12mph) | 19km/h (12mph) |
| Gusts | 31km/h (19mph) | 37km/h (23mph) | 39km/h (25mph) | 47km/h (29mph) | 33km/h (20mph) | 32km/h (20mph) | 32km/h (20mph) | 30km/h (18mph) |
| Direction | 3° N | 22° NNE | 27° NNE | 17° NNE | 283° WNW | 269° W | 282° WNW | 5° N |
| Wind chill | 12°C (54°F) | 15°C (59°F) | 15°C (59°F) | 18°C (64°F) | 9°C (49°F) | 8°C (46°F) | 8°C (47°F) | 9°C (48°F) |
| Waves | ||||||||
| Height | 0.9m (3.0ft) | 1.1m (3.6ft) | 1.4m (4.7ft) | 1.7m (5.6ft) | 1.3m (4.3ft) | 1.0m (3.3ft) | 1.0m (3.3ft) | 0.9m (3.0ft) |
| Direction | 210° SSW | 209° SSW | 58° ENE | 60° ENE | 74° ENE | 77° ENE | 78° ENE | 78° ENE |
| Period | 4.6 sec. | 14.3 sec. | 14.1 sec. | 13.3 sec. | 5.8 sec. | 7.4 sec. | 7.5 sec. | 7.5 sec. |
| Significant height | 1.1m (3.6ft) | 1.2m (3.9ft) | 1.3m (4.3ft) | 2.0m (6.6ft) | 1.1m (3.6ft) | 0.6m (2ft) | 1.0m (3.3ft) | 0.6m (2ft) |
| Sea water temperature | ||||||||
| Water temperature | 11°C (52°F) | 11°C (52°F) | 11°C (52°F) | 11°C (52°F) | 11°C (52°F) | 11°C (52°F) | 11°C (52°F) | 11°C (52°F) |
Sea weather on Tuesday 16 December 2025
On Tuesday 16 December 2025, the sun will rise at 05:47 and will set at 21:39 on the beach(es) of Stewart Island. The outside temperature will be a high of 58°F t and a low of 49°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 16.2mph km/h (with gusts up to 23.6mph). Wave height will be up to 3.3ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | | | | |
| Outside temperature | 11°C (52°F) | 10°C (50°F) | 11°C (51°F) | 13°C (55°F) | 14°C (57°F) | 14°C (57°F) | 12°C (54°F) | 11°C (51°F) |
| Perceived temperature | 9°C (49°F) | 9°C (48°F) | 10°C (49°F) | 11°C (53°F) | 12°C (54°F) | 12°C (53°F) | 10°C (49°F) | 8°C (47°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 82% | 80% | 79% | 68% | 58% | 60% | 62% | 70% |
| Barometric pressure | 1002 hPa | 1002 hPa | 1002 hPa | 1002 hPa | 1002 hPa | 1003 hPa | 1006 hPa | 1009 hPa |
| Cloud cover | 4% | 9% | 32% | 23% | 100% | 58% | 22% | 32% |
| Heat index | 11°C (52°F) | 10°C (50°F) | 11°C (51°F) | 13°C (55°F) | 14°C (57°F) | 14°C (57°F) | 12°C (54°F) | 11°C (51°F) |
| Dew point | 8°C (47°F) | 7°C (45°F) | 7°C (45°F) | 7°C (44°F) | 6°C (43°F) | 6°C (43°F) | 5°C (41°F) | 5°C (42°F) |
| Wind | ||||||||
| Speed | 15km/h (9mph) | 9km/h (6mph) | 9km/h (6mph) | 13km/h (8mph) | 21km/h (13mph) | 26km/h (16mph) | 25km/h (15mph) | 19km/h (12mph) |
| Gusts | 25km/h (15mph) | 15km/h (10mph) | 14km/h (9mph) | 17km/h (10mph) | 29km/h (18mph) | 36km/h (22mph) | 38km/h (24mph) | 29km/h (18mph) |
| Direction | 321° NW | 301° WNW | 328° NNW | 343° NNW | 310° NW | 274° W | 259° WSW | 258° WSW |
| Wind chill | 9°C (49°F) | 9°C (48°F) | 10°C (49°F) | 11°C (53°F) | 12°C (54°F) | 12°C (53°F) | 10°C (49°F) | 8°C (47°F) |
| Waves | ||||||||
| Height | 0.8m (2.8ft) | 0.8m (2.6ft) | 0.8m (2.7ft) | 0.9m (3.0ft) | 0.9m (3.1ft) | 1.0m (3.4ft) | 1.0m (3.3ft) | 1.0m (3.3ft) |
| Direction | 76° ENE | 75° ENE | 243° WSW | 241° WSW | 240° WSW | 240° WSW | 239° WSW | 236° WSW |
| Period | 7.6 sec. | 7.7 sec. | 7.6 sec. | 15.8 sec. | 15.7 sec. | 15.6 sec. | 15.5 sec. | 15.2 sec. |
| Significant height | 0.6m (2ft) | 0.4m (1.3ft) | 0.3m (1ft) | 0.4m (1.3ft) | 0.6m (2ft) | 0.8m (2.6ft) | 0.5m (1.6ft) | 0.5m (1.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 11°C (52°F) | 11°C (52°F) | 11°C (52°F) | 11°C (52°F) | 11°C (52°F) | 11°C (52°F) | 11°C (52°F) | 11°C (52°F) |
Sea weather on Wednesday 17 December 2025
On Wednesday 17 December 2025, the sun will rise at 05:47 and will set at 21:40 on the beach(es) of Stewart Island. The outside temperature will be a high of 52°F t and a low of 47°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 24.2mph). 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 | 9°C (48°F) | 9°C (47°F) | 9°C (48°F) | 11°C (53°F) | 10°C (49°F) | 10°C (50°F) | 9°C (49°F) | 10°C (49°F) |
| Perceived temperature | 7°C (44°F) | 6°C (43°F) | 7°C (45°F) | 9°C (49°F) | 7°C (44°F) | 7°C (45°F) | 7°C (44°F) | 9°C (47°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 80% | 79% | 76% | 63% | 61% | 59% | 62% | 69% |
| Barometric pressure | 1011 hPa | 1012 hPa | 1015 hPa | 1017 hPa | 1018 hPa | 1018 hPa | 1019 hPa | 1020 hPa |
| Cloud cover | 17% | 15% | 89% | 82% | 1% | 2% | 3% | 12% |
| Heat index | 9°C (48°F) | 9°C (47°F) | 9°C (48°F) | 11°C (53°F) | 10°C (49°F) | 10°C (50°F) | 9°C (49°F) | 10°C (49°F) |
| Dew point | 6°C (43°F) | 5°C (41°F) | 5°C (41°F) | 5°C (40°F) | 2°C (36°F) | 2°C (36°F) | 2°C (36°F) | 4°C (40°F) |
| Wind | ||||||||
| Speed | 14km/h (9mph) | 15km/h (9mph) | 13km/h (8mph) | 19km/h (12mph) | 20km/h (13mph) | 22km/h (14mph) | 15km/h (9mph) | 9km/h (5mph) |
| Gusts | 23km/h (14mph) | 25km/h (16mph) | 20km/h (12mph) | 25km/h (16mph) | 37km/h (23mph) | 39km/h (24mph) | 28km/h (18mph) | 14km/h (9mph) |
| Direction | 263° W | 258° WSW | 262° W | 208° SSW | 195° SSW | 175° S | 143° SE | 141° SE |
| Wind chill | 7°C (44°F) | 6°C (43°F) | 7°C (45°F) | 9°C (49°F) | 7°C (44°F) | 7°C (45°F) | 7°C (44°F) | 9°C (47°F) |
| Waves | ||||||||
| Height | 1.0m (3.4ft) | 1.1m (3.5ft) | 1.1m (3.5ft) | 1.1m (3.7ft) | 1.2m (3.8ft) | 1.3m (4.2ft) | 1.3m (4.3ft) | 1.3m (4.3ft) |
| Direction | 233° SW | 232° SW | 230° SW | 229° SW | 227° SW | 226° SW | 220° SW | 215° SW |
| Period | 14.9 sec. | 14.8 sec. | 14.6 sec. | 14.5 sec. | 14.3 sec. | 13.8 sec. | 13.3 sec. | 13.0 sec. |
| Significant height | 0.5m (1.6ft) | 0.5m (1.6ft) | 0.6m (2ft) | 0.8m (2.6ft) | 0.9m (3ft) | 1.0m (3.3ft) | 0.9m (3ft) | 0.8m (2.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 13°C (56°F) | 13°C (56°F) | 13°C (56°F) | 13°C (56°F) | 13°C (56°F) | 13°C (56°F) | 13°C (56°F) | 13°C (56°F) |
Sea weather on Thursday 18 December 2025
On Thursday 18 December 2025, the sun will rise at 05:47 and will set at 21:40 on the beach(es) of Stewart Island. The outside temperature will be a high of 54°F t and a low of 49°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 9.3mph km/h (with gusts up to 11.8mph). 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 | 9°C (48°F) | 9°C (48°F) | 10°C (49°F) | 11°C (51°F) | 11°C (51°F) | 12°C (54°F) | 12°C (54°F) | 11°C (51°F) |
| Perceived temperature | 9°C (48°F) | 9°C (48°F) | 8°C (47°F) | 9°C (49°F) | 9°C (49°F) | 11°C (51°F) | 11°C (51°F) | 9°C (49°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 72% | 72% | 70% | 67% | 60% | 55% | 57% | 71% |
| Barometric pressure | 1018 hPa | 1018 hPa | 1017 hPa | 1017 hPa | 1015 hPa | 1013 hPa | 1013 hPa | 1013 hPa |
| Cloud cover | 4% | 3% | 6% | 100% | 5% | 100% | 100% | 0% |
| Heat index | 9°C (48°F) | 9°C (48°F) | 10°C (49°F) | 11°C (51°F) | 11°C (51°F) | 12°C (54°F) | 12°C (54°F) | 11°C (51°F) |
| Dew point | 4°C (40°F) | 4°C (39°F) | 4°C (40°F) | 5°C (41°F) | 3°C (38°F) | 3°C (38°F) | 4°C (39°F) | 6°C (42°F) |
| Wind | ||||||||
| Speed | 3km/h (2mph) | 3km/h (2mph) | 8km/h (5mph) | 11km/h (7mph) | 12km/h (7mph) | 15km/h (9mph) | 12km/h (8mph) | 9km/h (6mph) |
| Gusts | 4km/h (3mph) | 5km/h (3mph) | 12km/h (7mph) | 14km/h (9mph) | 17km/h (11mph) | 19km/h (12mph) | 18km/h (11mph) | 16km/h (10mph) |
| Direction | 68° ENE | 23° NNE | 42° NE | 35° NE | 71° ENE | 85° E | 103° ESE | 89° E |
| Wind chill | 9°C (48°F) | 9°C (48°F) | 8°C (47°F) | 9°C (49°F) | 9°C (49°F) | 11°C (51°F) | 11°C (51°F) | 9°C (49°F) |
| Waves | ||||||||
| Height | 1.4m (4.7ft) | 1.7m (5.5ft) | 1.8m (5.8ft) | 1.8m (5.8ft) | 1.7m (5.6ft) | 1.7m (5.5ft) | 1.6m (5.4ft) | 1.6m (5.3ft) |
| Direction | 209° SSW | 206° SSW | 202° SSW | 95° E | 195° SSW | 193° SSW | 104° ESE | 103° ESE |
| Period | 12.4 sec. | 12.2 sec. | 12.0 sec. | 11.7 sec. | 11.1 sec. | 11.0 sec. | 10.9 sec. | 10.6 sec. |
| Significant height | 1.0m (3.3ft) | 0.9m (3ft) | 0.9m (3ft) | 0.8m (2.6ft) | 0.9m (3ft) | 1.1m (3.6ft) | 1.0m (3.3ft) | 0.8m (2.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 13°C (56°F) | 13°C (56°F) | 13°C (56°F) | 13°C (56°F) | 13°C (56°F) | 13°C (56°F) | 13°C (56°F) | 13°C (56°F) |
Sea weather on Friday 19 December 2025
On Friday 19 December 2025, the sun will rise at 05:48 and will set at 21:41 on the beach(es) of Stewart Island. The outside temperature will be a high of 54°F t and a low of 50°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 19.3mph km/h (with gusts up to 28mph). Wave height will be up to 4.6ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition |  | | | | | | | |
| Outside temperature | 10°C (51°F) | 10°C (50°F) | 11°C (51°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 11°C (51°F) | 10°C (49°F) |
| Perceived temperature | 9°C (49°F) | 10°C (50°F) | 11°C (51°F) | 12°C (54°F) | 11°C (52°F) | 10°C (50°F) | 7°C (45°F) | 6°C (43°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 75% | 73% | 68% | 64% | 67% | 86% | 93% | 90% |
| Barometric pressure | 1011 hPa | 1010 hPa | 1010 hPa | 1011 hPa | 1009 hPa | 1009 hPa | 1009 hPa | 1010 hPa |
| Cloud cover | 0% | 2% | 4% | 29% | 45% | 58% | 100% | 100% |
| Heat index | 10°C (51°F) | 10°C (50°F) | 11°C (51°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 11°C (51°F) | 10°C (49°F) |
| Dew point | 6°C (43°F) | 5°C (42°F) | 5°C (41°F) | 6°C (42°F) | 6°C (44°F) | 10°C (49°F) | 10°C (49°F) | 8°C (47°F) |
| Wind | ||||||||
| Speed | 8km/h (5mph) | 4km/h (3mph) | 4km/h (2mph) | 5km/h (3mph) | 11km/h (7mph) | 17km/h (11mph) | 31km/h (19mph) | 31km/h (19mph) |
| Gusts | 13km/h (8mph) | 7km/h (5mph) | 6km/h (4mph) | 7km/h (5mph) | 15km/h (9mph) | 24km/h (15mph) | 45km/h (28mph) | 43km/h (27mph) |
| Direction | 70° ENE | 193° SSW | 149° SSE | 151° SSE | 152° SSE | 171° S | 170° S | 165° SSE |
| Wind chill | 9°C (49°F) | 10°C (50°F) | 11°C (51°F) | 12°C (54°F) | 11°C (52°F) | 10°C (50°F) | 7°C (45°F) | 6°C (43°F) |
| Waves | ||||||||
| Height | 1.4m (4.6ft) | 1.2m (3.9ft) | 1.1m (3.5ft) | 1.0m (3.3ft) | 1.0m (3.3ft) | 1.1m (3.5ft) | 1.1m (3.5ft) | 1.0m (3.4ft) |
| Direction | 177° S | 176° S | 171° S | 161° SSE | 138° SE | 211° SSW | 211° SSW | 210° SSW |
| Period | 5.3 sec. | 5.4 sec. | 5.3 sec. | 8.1 sec. | 8.1 sec. | 8.2 sec. | 14.5 sec. | 14.3 sec. |
| Significant height | 0.3m (1ft) | 0.5m (1.6ft) | 0.3m (1ft) | 0.5m (1.6ft) | 0.1m (0.3ft) | 0.5m (1.6ft) | 0.5m (1.6ft) | 0.4m (1.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 13°C (56°F) | 13°C (56°F) | 13°C (56°F) | 13°C (56°F) | 13°C (56°F) | 13°C (56°F) | 13°C (56°F) | 13°C (56°F) |