Sea weather in Niihau in Hawaii All the beach weather in Niihau
All the essential weather information for enjoying the beach in Niihau in Hawaii, 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 Niihau over the next 7 days?
Discover the best moment to go to the beach in Niihau in Hawaii this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Niihau. 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 14 December 2025 | 76°F to 77°F | 3.7mph | discouraged | all the sea weather |
| Monday 15 December 2025 | 76°F to 77°F | 17.4mph | discouraged | all the sea weather |
| Tuesday 16 December 2025 | 70°F to 77°F | 16.2mph | discouraged | all the sea weather |
| Wednesday 17 December 2025 | 76°F to 77°F | 9.9mph | discouraged | all the sea weather |
| Thursday 18 December 2025 | 74°F to 76°F | 3.1mph | recommended | all the sea weather |
| Friday 19 December 2025 | 74°F to 76°F | 2.5mph | recommended | all the sea weather |
| Saturday 20 December 2025 | 76°F to 76°F | 8.7mph | recommended | all the sea weather |
Sea Weather: Your daily and hourly sea weather in Niihau
Sea weather on Sunday 14 December 2025
On Sunday 14 December 2025, the sun will rise at 07:12 and will set at 18:00 on the beach(es) of Niihau. The outside temperature will be a high of 77°F t and a low of 76°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 23mph). Wave height will be up to 8.2ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition |  | | |  | |  | | |
| Outside temperature | 24°C (75°F) | 24°C (75°F) | 25°C (76°F) | 24°C (76°F) | 24°C (76°F) | 24°C (75°F) | 24°C (75°F) | 24°C (76°F) |
| Perceived temperature | 26°C (78°F) | 26°C (78°F) | 26°C (79°F) | 26°C (79°F) | 26°C (78°F) | 26°C (78°F) | 26°C (78°F) | 26°C (79°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 81% | 75% | 72% | 71% | 67% | 65% | 67% | 70% |
| Barometric pressure | 1012 hPa | 1011 hPa | 1011 hPa | 1013 hPa | 1012 hPa | 1011 hPa | 1012 hPa | 1014 hPa |
| Cloud cover | 100% | 100% | 100% | 56% | 53% | 67% | 70% | 53% |
| Heat index | 26°C (78°F) | 26°C (78°F) | 26°C (79°F) | 26°C (79°F) | 26°C (78°F) | 26°C (78°F) | 26°C (78°F) | 26°C (79°F) |
| Dew point | 20°C (69°F) | 19°C (67°F) | 19°C (67°F) | 19°C (66°F) | 18°C (64°F) | 17°C (63°F) | 18°C (64°F) | 19°C (66°F) |
| Wind | ||||||||
| Speed | 21km/h (13mph) | 16km/h (10mph) | 17km/h (11mph) | 14km/h (9mph) | 7km/h (4mph) | 3km/h (2mph) | 3km/h (2mph) | 6km/h (4mph) |
| Gusts | 37km/h (23mph) | 22km/h (14mph) | 23km/h (15mph) | 20km/h (12mph) | 10km/h (6mph) | 4km/h (2mph) | 5km/h (3mph) | 9km/h (6mph) |
| Direction | 303° WNW | 322° NW | 327° NNW | 348° NNW | 6° N | 84° E | 105° ESE | 114° ESE |
| Wind chill | 24°C (75°F) | 24°C (75°F) | 25°C (76°F) | 24°C (76°F) | 24°C (76°F) | 24°C (75°F) | 24°C (75°F) | 24°C (76°F) |
| Waves | ||||||||
| Height | 1.7m (5.7ft) | 1.7m (5.6ft) | 1.8m (6.0ft) | 2.2m (7.2ft) | 2.5m (8.1ft) | 2.5m (8.2ft) | 2.4m (7.8ft) | 2.2m (7.4ft) |
| Direction | 299° WNW | 301° WNW | 302° WNW | 305° NW | 306° NW | 306° NW | 307° NW | 310° NW |
| Period | 7.2 sec. | 7.6 sec. | 8.1 sec. | 10.8 sec. | 13.7 sec. | 13.4 sec. | 13.1 sec. | 12.7 sec. |
| Significant height | 0.9m (3ft) | 0.5m (1.6ft) | 0.4m (1.3ft) | 0.7m (2.3ft) | 0.4m (1.3ft) | 0.4m (1.3ft) | 0.5m (1.6ft) | 0.4m (1.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) |
Sea weather on Monday 15 December 2025
On Monday 15 December 2025, the sun will rise at 07:12 and will set at 18:01 on the beach(es) of Niihau. The outside temperature will be a high of 77°F t and a low of 76°F. Precipitation is in the forecast (0.2in 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 18mph km/h (with gusts up to 26.7mph). 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 | 24°C (74°F) | 24°C (75°F) | 25°C (76°F) | 25°C (77°F) | 24°C (76°F) | 24°C (75°F) | 24°C (75°F) | 25°C (77°F) |
| Perceived temperature | 25°C (78°F) | 26°C (78°F) | 26°C (79°F) | 27°C (80°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 27°C (81°F) |
| Precipitation | 0.1in | 0in | 0in | 0in | 0in | 0.1in | 0in | 0in |
| Humidity | 80% | 78% | 78% | 77% | 80% | 82% | 82% | 83% |
| Barometric pressure | 1013 hPa | 1012 hPa | 1013 hPa | 1014 hPa | 1013 hPa | 1012 hPa | 1013 hPa | 1014 hPa |
| Cloud cover | 68% | 55% | 81% | 89% | 72% | 79% | 83% | 88% |
| Heat index | 25°C (78°F) | 26°C (78°F) | 26°C (79°F) | 27°C (80°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 27°C (81°F) |
| Dew point | 20°C (68°F) | 20°C (68°F) | 20°C (69°F) | 21°C (69°F) | 21°C (69°F) | 21°C (69°F) | 21°C (69°F) | 22°C (71°F) |
| Wind | ||||||||
| Speed | 9km/h (6mph) | 9km/h (6mph) | 15km/h (9mph) | 23km/h (14mph) | 26km/h (16mph) | 26km/h (16mph) | 29km/h (18mph) | 28km/h (17mph) |
| Gusts | 14km/h (8mph) | 13km/h (8mph) | 20km/h (12mph) | 31km/h (19mph) | 38km/h (24mph) | 43km/h (27mph) | 36km/h (22mph) | 39km/h (24mph) |
| Direction | 169° S | 205° SSW | 178° S | 191° S | 189° S | 192° SSW | 190° S | 186° S |
| Wind chill | 24°C (74°F) | 24°C (75°F) | 25°C (76°F) | 25°C (77°F) | 24°C (76°F) | 24°C (75°F) | 24°C (75°F) | 25°C (77°F) |
| Waves | ||||||||
| Height | 2.1m (7.1ft) | 2.1m (6.8ft) | 2.0m (6.5ft) | 1.9m (6.3ft) | 1.9m (6.2ft) | 1.8m (6.1ft) | 1.8m (5.9ft) | 1.7m (5.7ft) |
| Direction | 314° NW | 317° NW | 323° NW | 333° NNW | 340° NNW | 338° NNW | 341° NNW | 344° NNW |
| Period | 12.5 sec. | 12.0 sec. | 11.6 sec. | 11.3 sec. | 13.5 sec. | 13.3 sec. | 13.2 sec. | 14.0 sec. |
| Significant height | 0.5m (1.6ft) | 0.7m (2.3ft) | 1.1m (3.6ft) | 1.4m (4.6ft) | 1.3m (4.3ft) | 0.9m (3ft) | 0.9m (3ft) | 0.9m (3ft) |
| Sea water temperature | ||||||||
| Water temperature | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) |
Sea weather on Tuesday 16 December 2025
On Tuesday 16 December 2025, the sun will rise at 07:13 and will set at 18:01 on the beach(es) of Niihau. The outside temperature will be a high of 77°F t and a low of 70°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 19.9mph km/h (with gusts up to 27.3mph). 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 | 25°C (77°F) | 25°C (77°F) | 25°C (77°F) | 25°C (77°F) | 21°C (71°F) | 25°C (76°F) | 24°C (76°F) | 25°C (77°F) |
| Perceived temperature | 27°C (81°F) | 27°C (81°F) | 27°C (81°F) | 27°C (81°F) | 21°C (71°F) | 27°C (80°F) | 26°C (79°F) | 27°C (81°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 82% | 81% | 81% | 82% | 81% | 80% | 81% | 83% |
| Barometric pressure | 1014 hPa | 1013 hPa | 1013 hPa | 1015 hPa | 1014 hPa | 1012 hPa | 1012 hPa | 1013 hPa |
| Cloud cover | 78% | 74% | 74% | 76% | 73% | 87% | 87% | 87% |
| Heat index | 27°C (81°F) | 27°C (81°F) | 27°C (81°F) | 27°C (81°F) | 24°C (76°F) | 27°C (80°F) | 26°C (79°F) | 27°C (81°F) |
| Dew point | 22°C (71°F) | 22°C (71°F) | 22°C (71°F) | 22°C (71°F) | 18°C (64°F) | 21°C (70°F) | 21°C (70°F) | 22°C (71°F) |
| Wind | ||||||||
| Speed | 30km/h (19mph) | 31km/h (19mph) | 32km/h (20mph) | 30km/h (19mph) | 28km/h (17mph) | 28km/h (17mph) | 26km/h (16mph) | 26km/h (16mph) |
| Gusts | 42km/h (26mph) | 43km/h (26mph) | 44km/h (27mph) | 42km/h (26mph) | 28km/h (17mph) | 43km/h (27mph) | 42km/h (26mph) | 38km/h (23mph) |
| Direction | 185° S | 178° S | 175° S | 183° S | 187° S | 200° SSW | 207° SSW | 209° SSW |
| Wind chill | 25°C (77°F) | 25°C (77°F) | 25°C (77°F) | 25°C (77°F) | 21°C (71°F) | 25°C (76°F) | 24°C (76°F) | 25°C (77°F) |
| Waves | ||||||||
| Height | 1.7m (5.5ft) | 1.6m (5.3ft) | 1.6m (5.2ft) | 1.5m (5.1ft) | 1.5m (5.0ft) | 1.5m (5.1ft) | 1.6m (5.4ft) | 1.8m (5.9ft) |
| Direction | 349° NNW | 6° N | 1° N | 4° N | 5° N | 352° N | 348° NNW | 336° NNW |
| Period | 13.6 sec. | 13.5 sec. | 13.1 sec. | 12.8 sec. | 12.6 sec. | 12.4 sec. | 11.0 sec. | 10.5 sec. |
| Significant height | 0.9m (3ft) | 1.0m (3.3ft) | 1.4m (4.6ft) | 1.3m (4.3ft) | 1.3m (4.3ft) | 1.2m (3.9ft) | 1.2m (3.9ft) | 1.1m (3.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) |
Sea weather on Wednesday 17 December 2025
On Wednesday 17 December 2025, the sun will rise at 07:13 and will set at 18:01 on the beach(es) of Niihau. The outside temperature will be a high of 77°F t and a low of 76°F. Precipitation is in the forecast (0.1in 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 18mph km/h (with gusts up to 24.2mph). Wave height will be up to 7.9ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | | | | |
| Outside temperature | 25°C (77°F) | 25°C (76°F) | 25°C (77°F) | 25°C (77°F) | 24°C (76°F) | 24°C (76°F) | 24°C (75°F) | 24°C (76°F) |
| Perceived temperature | 27°C (81°F) | 27°C (80°F) | 27°C (81°F) | 27°C (80°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 82% | 81% | 80% | 80% | 80% | 80% | 79% | 78% |
| Barometric pressure | 1013 hPa | 1012 hPa | 1012 hPa | 1013 hPa | 1013 hPa | 1011 hPa | 1012 hPa | 1013 hPa |
| Cloud cover | 74% | 61% | 63% | 56% | 83% | 81% | 63% | 59% |
| Heat index | 27°C (81°F) | 27°C (80°F) | 27°C (81°F) | 27°C (80°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) |
| Dew point | 22°C (71°F) | 21°C (70°F) | 21°C (70°F) | 21°C (70°F) | 21°C (69°F) | 21°C (69°F) | 20°C (68°F) | 20°C (68°F) |
| Wind | ||||||||
| Speed | 29km/h (18mph) | 27km/h (17mph) | 26km/h (16mph) | 26km/h (16mph) | 26km/h (16mph) | 26km/h (16mph) | 22km/h (13mph) | 16km/h (10mph) |
| Gusts | 39km/h (25mph) | 37km/h (23mph) | 36km/h (22mph) | 37km/h (23mph) | 37km/h (23mph) | 38km/h (24mph) | 33km/h (21mph) | 23km/h (14mph) |
| Direction | 209° SSW | 215° SW | 218° SW | 213° SSW | 220° SW | 234° SW | 247° WSW | 248° WSW |
| Wind chill | 25°C (77°F) | 25°C (76°F) | 25°C (77°F) | 25°C (77°F) | 24°C (76°F) | 24°C (76°F) | 24°C (75°F) | 24°C (76°F) |
| Waves | ||||||||
| Height | 2.0m (6.6ft) | 2.1m (7.1ft) | 2.3m (7.4ft) | 2.3m (7.7ft) | 2.4m (7.8ft) | 2.3m (7.6ft) | 2.2m (7.2ft) | 2.1m (6.9ft) |
| Direction | 320° NW | 314° NW | 312° NW | 309° NW | 307° NW | 308° NW | 311° NW | 316° NW |
| Period | 10.8 sec. | 11.5 sec. | 12.3 sec. | 12.7 sec. | 12.5 sec. | 12.3 sec. | 12.2 sec. | 11.8 sec. |
| Significant height | 0.7m (2.3ft) | 0.8m (2.6ft) | 0.9m (3ft) | 1.0m (3.3ft) | 0.9m (3ft) | 1.3m (4.3ft) | 1.2m (3.9ft) | 0.8m (2.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) |
Sea weather on Thursday 18 December 2025
On Thursday 18 December 2025, the sun will rise at 07:14 and will set at 18:02 on the beach(es) of Niihau. The outside temperature will be a high of 76°F t and a low of 74°F. Precipitation is in the forecast (0.1in 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 8.7mph km/h (with gusts up to 13.1mph). Wave height will be up to 7.9ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | | | | |
| Outside temperature | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) | 24°C (74°F) | 23°C (74°F) | 23°C (74°F) | 23°C (73°F) | 24°C (75°F) |
| Perceived temperature | 26°C (79°F) | 26°C (78°F) | 26°C (78°F) | 25°C (78°F) | 25°C (78°F) | 25°C (78°F) | 25°C (77°F) | 26°C (78°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 78% | 80% | 79% | 81% | 80% | 79% | 79% | 76% |
| Barometric pressure | 1013 hPa | 1012 hPa | 1012 hPa | 1014 hPa | 1013 hPa | 1012 hPa | 1013 hPa | 1015 hPa |
| Cloud cover | 72% | 70% | 70% | 74% | 71% | 89% | 89% | 81% |
| Heat index | 26°C (79°F) | 26°C (78°F) | 26°C (78°F) | 25°C (78°F) | 25°C (78°F) | 25°C (78°F) | 25°C (77°F) | 26°C (78°F) |
| Dew point | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (67°F) | 20°C (67°F) | 19°C (67°F) | 19°C (67°F) |
| Wind | ||||||||
| Speed | 14km/h (9mph) | 14km/h (9mph) | 12km/h (8mph) | 13km/h (8mph) | 13km/h (8mph) | 13km/h (8mph) | 10km/h (6mph) | 5km/h (3mph) |
| Gusts | 19km/h (12mph) | 20km/h (12mph) | 17km/h (10mph) | 18km/h (11mph) | 21km/h (13mph) | 21km/h (13mph) | 16km/h (10mph) | 8km/h (5mph) |
| Direction | 225° SW | 224° SW | 220° SW | 209° SSW | 218° SW | 215° SW | 220° SW | 210° SSW |
| Wind chill | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) | 24°C (74°F) | 23°C (74°F) | 23°C (74°F) | 23°C (73°F) | 24°C (75°F) |
| Waves | ||||||||
| Height | 2.0m (6.6ft) | 2.0m (6.5ft) | 2.0m (6.4ft) | 1.9m (6.4ft) | 1.9m (6.3ft) | 2.4m (8.0ft) | 2.4m (8.0ft) | 2.4m (7.9ft) |
| Direction | 313° NW | 318° NW | 323° NW | 339° NNW | 344° NNW | 344° NNW | 344° NNW | 345° NNW |
| Period | 11.8 sec. | 11.6 sec. | 11.1 sec. | 10.6 sec. | 10.3 sec. | 12.7 sec. | 12.4 sec. | 12.2 sec. |
| Significant height | 0.7m (2.3ft) | 1.1m (3.6ft) | 1.1m (3.6ft) | 1.1m (3.6ft) | 1.1m (3.6ft) | 1.0m (3.3ft) | 0.6m (2ft) | 0.6m (2ft) |
| Sea water temperature | ||||||||
| Water temperature | 26°C (78°F) | 26°C (78°F) | 26°C (78°F) | 26°C (78°F) | 26°C (78°F) | 26°C (78°F) | 26°C (78°F) | 26°C (78°F) |
Sea weather on Friday 19 December 2025
On Friday 19 December 2025, the sun will rise at 07:15 and will set at 18:02 on the beach(es) of Niihau. The outside temperature will be a high of 76°F t and a low of 74°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 9.9mph km/h (with gusts up to 13.7mph). Wave height will be up to 7.9ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition |  |  | | | | |  | |
| Outside temperature | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) | 24°C (76°F) | 24°C (75°F) | 24°C (75°F) | 24°C (76°F) |
| Perceived temperature | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (78°F) | 26°C (78°F) | 26°C (79°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 75% | 78% | 79% | 76% | 75% | 77% | 77% | 75% |
| Barometric pressure | 1014 hPa | 1014 hPa | 1014 hPa | 1015 hPa | 1015 hPa | 1014 hPa | 1014 hPa | 1016 hPa |
| Cloud cover | 13% | 22% | 19% | 26% | 39% | 37% | 15% | 17% |
| Heat index | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (78°F) | 26°C (78°F) | 26°C (79°F) |
| Dew point | 19°C (67°F) | 20°C (68°F) | 20°C (68°F) | 20°C (67°F) | 20°C (67°F) | 20°C (67°F) | 19°C (67°F) | 20°C (67°F) |
| Wind | ||||||||
| Speed | 5km/h (3mph) | 10km/h (6mph) | 12km/h (8mph) | 16km/h (10mph) | 15km/h (9mph) | 13km/h (8mph) | 8km/h (5mph) | 4km/h (3mph) |
| Gusts | 7km/h (4mph) | 13km/h (8mph) | 17km/h (11mph) | 22km/h (14mph) | 22km/h (14mph) | 19km/h (12mph) | 13km/h (8mph) | 6km/h (4mph) |
| Direction | 159° SSE | 138° SE | 130° SE | 135° SE | 145° SE | 153° SSE | 157° SSE | 122° ESE |
| Wind chill | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) | 24°C (76°F) | 24°C (75°F) | 24°C (75°F) | 24°C (76°F) |
| Waves | ||||||||
| Height | 2.3m (7.7ft) | 2.3m (7.5ft) | 2.2m (7.2ft) | 2.2m (7.2ft) | 2.2m (7.2ft) | 2.3m (7.5ft) | 2.3m (7.5ft) | 2.4m (7.9ft) |
| Direction | 346° NNW | 349° NNW | 350° N | 349° N | 349° NNW | 349° N | 349° NNW | 346° NNW |
| Period | 12.1 sec. | 11.8 sec. | 11.6 sec. | 11.6 sec. | 11.5 sec. | 11.3 sec. | 11.7 sec. | 12.6 sec. |
| Significant height | 1.0m (3.3ft) | 0.8m (2.6ft) | 0.3m (1ft) | 0.6m (2ft) | 0.7m (2.3ft) | 0.8m (2.6ft) | 0.8m (2.6ft) | 0.8m (2.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 24°C (75°F) | 26°C (78°F) | 26°C (78°F) | 26°C (78°F) | 26°C (78°F) | 26°C (78°F) | 26°C (78°F) | 26°C (78°F) |
Sea weather on Saturday 20 December 2025
On Saturday 20 December 2025, the sun will rise at 07:15 and will set at 18:03 on the beach(es) of Niihau. The outside temperature will be a high of 76°F t and a low of 76°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 12.4mph). Wave height will be up to 7.9ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | | | | |
| Outside temperature | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) | 24°C (76°F) |
| Perceived temperature | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (78°F) | 26°C (79°F) | 26°C (79°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 75% | 76% | 77% | 77% | 77% | 76% | 76% | 77% |
| Barometric pressure | 1016 hPa | 1015 hPa | 1015 hPa | 1016 hPa | 1016 hPa | 1015 hPa | 1015 hPa | 1016 hPa |
| Cloud cover | 13% | 12% | 24% | 40% | 32% | 25% | 27% | 19% |
| Heat index | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (78°F) | 26°C (79°F) | 26°C (79°F) |
| Dew point | 20°C (67°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (67°F) | 20°C (67°F) | 20°C (67°F) | 20°C (68°F) |
| Wind | ||||||||
| Speed | 7km/h (4mph) | 12km/h (7mph) | 15km/h (9mph) | 14km/h (9mph) | 13km/h (8mph) | 11km/h (7mph) | 13km/h (8mph) | 14km/h (9mph) |
| Gusts | 10km/h (6mph) | 16km/h (10mph) | 20km/h (13mph) | 20km/h (12mph) | 19km/h (12mph) | 17km/h (11mph) | 19km/h (12mph) | 19km/h (12mph) |
| Direction | 86° E | 94° E | 108° ESE | 116° ESE | 111° ESE | 94° E | 68° ENE | 76° ENE |
| Wind chill | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) | 24°C (76°F) |
| Waves | ||||||||
| Height | 2.4m (7.9ft) | 2.4m (7.9ft) | 2.3m (7.5ft) | 2.3m (7.5ft) | 2.2m (7.2ft) | 2.1m (6.9ft) | 2.1m (6.9ft) | 2.0m (6.6ft) |
| Direction | 347° NNW | 352° N | 342° NNW | 323° NW | 327° NNW | 329° NNW | 330° NNW | 333° NNW |
| Period | 12.3 sec. | 12.2 sec. | 12.2 sec. | 12.1 sec. | 12.0 sec. | 12.0 sec. | 11.9 sec. | 11.7 sec. |
| Significant height | 0.8m (2.6ft) | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.5m (1.6ft) | 0.6m (2ft) |
| Sea water temperature | ||||||||
| Water temperature | 26°C (78°F) | 26°C (78°F) | 26°C (78°F) | 26°C (78°F) | 26°C (78°F) | 26°C (78°F) | 26°C (78°F) | 26°C (78°F) |