Sea weather in Portsmouth in England All the beach weather in Portsmouth
All the essential weather information for enjoying the beach in Portsmouth in England, 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 Portsmouth over the next 7 days?
Discover the best moment to go to the beach in Portsmouth in England this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Portsmouth. 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 |
|---|---|---|---|---|
| Wednesday 19 March 2025 | 43°F to 50°F | 6.8mph | recommended | all the sea weather |
| Thursday 20 March 2025 | 45°F to 50°F | 14.3mph | discouraged | all the sea weather |
| Friday 21 March 2025 | 49°F to 50°F | 4.4mph | discouraged | all the sea weather |
| Saturday 22 March 2025 | 49°F to 50°F | 10.6mph | discouraged | all the sea weather |
| Sunday 23 March 2025 | 45°F to 49°F | 11.8mph | discouraged | all the sea weather |
| Monday 24 March 2025 | 45°F to 49°F | 8.1mph | discouraged | all the sea weather |
| Tuesday 25 March 2025 | 45°F to 49°F | 10.6mph | recommended | all the sea weather |
Sea Weather: Your daily and hourly sea weather in Portsmouth
Sea weather on Wednesday 19 March 2025
On Wednesday 19 March 2025, the sun will rise at 06:09 and will set at 18:16 on the beach(es) of Portsmouth. The outside temperature will be a high of 50°F t and a low of 43°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 21.8mph). 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 | 6°C (42°F) | 6°C (43°F) | 6°C (43°F) | 8°C (47°F) | 10°C (49°F) | 9°C (49°F) | 8°C (47°F) | 9°C (47°F) |
| Perceived temperature | 2°C (36°F) | 3°C (37°F) | 3°C (37°F) | 6°C (42°F) | 7°C (45°F) | 7°C (45°F) | 6°C (43°F) | 7°C (44°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 81% | 88% | 89% | 86% | 84% | 84% | 86% | 88% |
| Barometric pressure | 1020 hPa | 1020 hPa | 1020 hPa | 1021 hPa | 1021 hPa | 1021 hPa | 1021 hPa | 1022 hPa |
| Cloud cover | 19% | 18% | 45% | 61% | 50% | 54% | 37% | 77% |
| Heat index | 6°C (42°F) | 6°C (43°F) | 6°C (43°F) | 8°C (47°F) | 10°C (49°F) | 9°C (49°F) | 8°C (47°F) | 9°C (47°F) |
| Dew point | 3°C (37°F) | 4°C (39°F) | 5°C (40°F) | 6°C (43°F) | 7°C (45°F) | 7°C (44°F) | 6°C (43°F) | 7°C (44°F) |
| Wind | ||||||||
| Speed | 17km/h (11mph) | 16km/h (10mph) | 17km/h (11mph) | 18km/h (11mph) | 15km/h (9mph) | 14km/h (9mph) | 12km/h (8mph) | 11km/h (7mph) |
| Gusts | 35km/h (22mph) | 32km/h (20mph) | 33km/h (21mph) | 26km/h (16mph) | 22km/h (14mph) | 22km/h (14mph) | 25km/h (16mph) | 23km/h (14mph) |
| Direction | 83° E | 85° E | 93° E | 111° ESE | 150° SSE | 143° SE | 112° ESE | 104° ESE |
| Wind chill | 2°C (36°F) | 3°C (37°F) | 3°C (37°F) | 6°C (42°F) | 7°C (45°F) | 7°C (45°F) | 6°C (43°F) | 7°C (44°F) |
| Waves | ||||||||
| Height | 0.7m (2.4ft) | 0.6m (2.0ft) | 0.6m (1.9ft) | 0.6m (1.9ft) | 0.5m (1.7ft) | 0.5m (1.6ft) | 0.5m (1.6ft) | 0.5m (1.5ft) |
| Direction | 123° ESE | 125° SE | 132° SE | 134° SE | 142° SE | 144° SE | 144° SE | 142° SE |
| Period | 12.1 sec. | 12.0 sec. | 14.0 sec. | 13.2 sec. | 11.3 sec. | 15.6 sec. | 3.8 sec. | 3.8 sec. |
| Significant height | 0.6m (2ft) | 0.6m (2ft) | 0.6m (2ft) | 0.6m (2ft) | 0.5m (1.6ft) | 0.5m (1.6ft) | 0.6m (2ft) | 0.5m (1.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) |
Sea weather on Thursday 20 March 2025
On Thursday 20 March 2025, the sun will rise at 06:07 and will set at 18:18 on the beach(es) of Portsmouth. The outside temperature will be a high of 50°F t and a low of 45°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 14.3mph km/h (with gusts up to 21.1mph). 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 | 9°C (48°F) | 9°C (49°F) | 9°C (48°F) | 10°C (50°F) | 10°C (50°F) | 10°C (49°F) | 8°C (46°F) | 9°C (49°F) |
| Perceived temperature | 8°C (46°F) | 8°C (46°F) | 8°C (46°F) | 8°C (47°F) | 8°C (46°F) | 7°C (45°F) | 5°C (40°F) | 6°C (43°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 91% | 92% | 91% | 88% | 83% | 82% | 86% | 86% |
| Barometric pressure | 1022 hPa | 1021 hPa | 1021 hPa | 1022 hPa | 1022 hPa | 1020 hPa | 1019 hPa | 1018 hPa |
| Cloud cover | 90% | 100% | 100% | 85% | 12% | 6% | 3% | 2% |
| Heat index | 9°C (48°F) | 9°C (49°F) | 9°C (48°F) | 10°C (50°F) | 10°C (50°F) | 10°C (49°F) | 8°C (46°F) | 9°C (49°F) |
| Dew point | 8°C (46°F) | 8°C (46°F) | 8°C (46°F) | 8°C (46°F) | 7°C (45°F) | 7°C (44°F) | 5°C (42°F) | 7°C (45°F) |
| Wind | ||||||||
| Speed | 9km/h (6mph) | 9km/h (6mph) | 9km/h (6mph) | 12km/h (7mph) | 15km/h (10mph) | 17km/h (10mph) | 17km/h (11mph) | 23km/h (14mph) |
| Gusts | 19km/h (12mph) | 19km/h (12mph) | 19km/h (12mph) | 21km/h (13mph) | 28km/h (18mph) | 34km/h (21mph) | 24km/h (15mph) | 24km/h (15mph) |
| Direction | 130° SE | 123° ESE | 129° SE | 124° SE | 135° SE | 116° ESE | 96° E | 99° E |
| Wind chill | 8°C (46°F) | 8°C (46°F) | 8°C (46°F) | 8°C (47°F) | 8°C (46°F) | 7°C (45°F) | 5°C (40°F) | 6°C (43°F) |
| Waves | ||||||||
| Height | 0.4m (1.2ft) | 0.3m (1.1ft) | 0.3m (1.1ft) | 0.3m (1.1ft) | 0.3m (1.1ft) | 0.4m (1.2ft) | 0.4m (1.4ft) | 0.5m (1.8ft) |
| Direction | 130° SE | 136° SE | 142° SE | 145° SE | 147° SSE | 148° SSE | 145° SE | 124° ESE |
| Period | 3.5 sec. | 9.8 sec. | 9.5 sec. | 11.6 sec. | 10.0 sec. | 9.3 sec. | 9.1 sec. | 8.9 sec. |
| Significant height | 0.3m (1ft) | 0.3m (1ft) | 0.3m (1ft) | 0.3m (1ft) | 0.4m (1.3ft) | 0.5m (1.6ft) | 0.5m (1.6ft) | 0.7m (2.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) |
Sea weather on Friday 21 March 2025
On Friday 21 March 2025, the sun will rise at 06:05 and will set at 18:19 on the beach(es) of Portsmouth. The outside temperature will be a high of 50°F t and a low of 49°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 19.9mph km/h (with gusts up to 26.7mph). 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 | 9°C (48°F) | 9°C (48°F) | 9°C (49°F) | 10°C (49°F) | 10°C (49°F) | 10°C (50°F) | 10°C (50°F) | 9°C (49°F) |
| Perceived temperature | 6°C (43°F) | 5°C (42°F) | 5°C (42°F) | 6°C (43°F) | 6°C (44°F) | 7°C (45°F) | 7°C (44°F) | 8°C (47°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0.2in |
| Humidity | 89% | 90% | 88% | 88% | 86% | 85% | 88% | 99% |
| Barometric pressure | 1016 hPa | 1013 hPa | 1011 hPa | 1009 hPa | 1007 hPa | 1004 hPa | 1003 hPa | 1001 hPa |
| Cloud cover | 3% | 21% | 100% | 100% | 63% | 78% | 100% | 100% |
| Heat index | 9°C (48°F) | 9°C (48°F) | 9°C (49°F) | 10°C (49°F) | 10°C (49°F) | 10°C (50°F) | 10°C (50°F) | 9°C (49°F) |
| Dew point | 7°C (45°F) | 7°C (45°F) | 7°C (45°F) | 8°C (46°F) | 8°C (46°F) | 8°C (46°F) | 8°C (46°F) | 9°C (49°F) |
| Wind | ||||||||
| Speed | 18km/h (11mph) | 24km/h (15mph) | 31km/h (19mph) | 32km/h (20mph) | 27km/h (17mph) | 23km/h (14mph) | 23km/h (15mph) | 7km/h (4mph) |
| Gusts | 20km/h (13mph) | 31km/h (19mph) | 36km/h (22mph) | 32km/h (20mph) | 43km/h (27mph) | 29km/h (18mph) | 27km/h (17mph) | 13km/h (8mph) |
| Direction | 101° E | 88° E | 94° E | 99° E | 112° ESE | 105° ESE | 120° ESE | 76° ENE |
| Wind chill | 6°C (43°F) | 5°C (42°F) | 5°C (42°F) | 6°C (43°F) | 6°C (44°F) | 7°C (45°F) | 7°C (44°F) | 8°C (47°F) |
| Waves | ||||||||
| Height | 0.6m (2.0ft) | 0.6m (2.0ft) | 0.7m (2.4ft) | 0.8m (2.6ft) | 0.8m (2.7ft) | 0.8m (2.8ft) | 0.7m (2.2ft) | 1.0m (3.2ft) |
| Direction | 129° SE | 127° SE | 121° ESE | 129° SE | 125° SE | 123° ESE | 135° SE | 146° SSE |
| Period | 8.7 sec. | 9.6 sec. | 9.3 sec. | 9.5 sec. | 9.7 sec. | 9.6 sec. | 12.2 sec. | 12.2 sec. |
| Significant height | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.9m (3ft) | 0.9m (3ft) | 0.9m (3ft) | 0.9m (3ft) | 0.7m (2.3ft) | 1.0m (3.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) |
Sea weather on Saturday 22 March 2025
On Saturday 22 March 2025, the sun will rise at 06:02 and will set at 18:21 on the beach(es) of Portsmouth. The outside temperature will be a high of 50°F t and a low of 49°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 14.3mph km/h (with gusts up to 21.8mph). 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 | 10°C (49°F) | 9°C (48°F) | 9°C (47°F) | 9°C (47°F) | 9°C (48°F) | 10°C (49°F) | 9°C (48°F) | 9°C (48°F) |
| Perceived temperature | 7°C (45°F) | 7°C (45°F) | 6°C (42°F) | 5°C (41°F) | 6°C (43°F) | 7°C (45°F) | 7°C (45°F) | 7°C (44°F) |
| Precipitation | 0.1in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 99% | 96% | 95% | 96% | 96% | 89% | 93% | 91% |
| Barometric pressure | 1000 hPa | 1000 hPa | 999 hPa | 999 hPa | 999 hPa | 999 hPa | 999 hPa | 999 hPa |
| Cloud cover | 100% | 68% | 100% | 100% | 100% | 100% | 100% | 100% |
| Heat index | 10°C (49°F) | 9°C (48°F) | 9°C (47°F) | 9°C (47°F) | 9°C (48°F) | 10°C (49°F) | 9°C (48°F) | 9°C (48°F) |
| Dew point | 9°C (49°F) | 9°C (47°F) | 8°C (46°F) | 8°C (46°F) | 8°C (47°F) | 8°C (46°F) | 8°C (46°F) | 8°C (46°F) |
| Wind | ||||||||
| Speed | 16km/h (10mph) | 14km/h (9mph) | 18km/h (11mph) | 23km/h (14mph) | 19km/h (12mph) | 18km/h (11mph) | 11km/h (7mph) | 17km/h (11mph) |
| Gusts | 27km/h (17mph) | 25km/h (15mph) | 30km/h (19mph) | 35km/h (22mph) | 30km/h (19mph) | 30km/h (19mph) | 22km/h (13mph) | 34km/h (21mph) |
| Direction | 235° SW | 144° SE | 133° SE | 125° SE | 194° SSW | 189° S | 141° SE | 160° SSE |
| Wind chill | 7°C (45°F) | 7°C (45°F) | 6°C (42°F) | 5°C (41°F) | 6°C (43°F) | 7°C (45°F) | 7°C (45°F) | 7°C (44°F) |
| Waves | ||||||||
| Height | 1.0m (3.2ft) | 1.0m (3.3ft) | 0.8m (2.7ft) | 0.7m (2.5ft) | 0.8m (2.5ft) | 0.9m (2.8ft) | 0.9m (3.1ft) | 0.8m (2.8ft) |
| Direction | 152° SSE | 158° SSE | 157° SSE | 161° SSE | 160° SSE | 157° SSE | 153° SSE | 154° SSE |
| Period | 12.2 sec. | 12.2 sec. | 9.8 sec. | 5.0 sec. | 5.0 sec. | 9.1 sec. | 9.1 sec. | 9.1 sec. |
| Significant height | 1.0m (3.3ft) | 0.9m (3ft) | 0.6m (2ft) | 0.5m (1.6ft) | 0.8m (2.6ft) | 0.9m (3ft) | 0.9m (3ft) | 0.7m (2.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) |
Sea weather on Sunday 23 March 2025
On Sunday 23 March 2025, the sun will rise at 06:00 and will set at 18:22 on the beach(es) of Portsmouth. The outside temperature will be a high of 49°F t and a low of 45°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 21.8mph). 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 | 9°C (48°F) | 8°C (47°F) | 8°C (47°F) | 9°C (47°F) | 9°C (48°F) | 9°C (48°F) | 8°C (46°F) | 7°C (45°F) |
| Perceived temperature | 6°C (43°F) | 6°C (43°F) | 6°C (43°F) | 7°C (44°F) | 6°C (42°F) | 6°C (43°F) | 5°C (40°F) | 4°C (39°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 92% | 96% | 98% | 96% | 94% | 87% | 85% | 87% |
| Barometric pressure | 999 hPa | 998 hPa | 999 hPa | 1000 hPa | 1002 hPa | 1004 hPa | 1006 hPa | 1008 hPa |
| Cloud cover | 85% | 100% | 100% | 100% | 100% | 100% | 85% | 86% |
| Heat index | 9°C (48°F) | 8°C (47°F) | 8°C (47°F) | 9°C (47°F) | 9°C (48°F) | 9°C (48°F) | 8°C (46°F) | 7°C (45°F) |
| Dew point | 7°C (45°F) | 7°C (45°F) | 8°C (46°F) | 8°C (46°F) | 8°C (46°F) | 7°C (44°F) | 6°C (42°F) | 5°C (41°F) |
| Wind | ||||||||
| Speed | 15km/h (9mph) | 13km/h (8mph) | 12km/h (7mph) | 12km/h (7mph) | 20km/h (13mph) | 19km/h (12mph) | 22km/h (13mph) | 19km/h (12mph) |
| Gusts | 26km/h (16mph) | 21km/h (13mph) | 18km/h (11mph) | 18km/h (11mph) | 31km/h (19mph) | 29km/h (18mph) | 35km/h (22mph) | 29km/h (18mph) |
| Direction | 175° S | 134° SE | 80° E | 358° N | 309° NW | 304° WNW | 278° W | 262° W |
| Wind chill | 6°C (43°F) | 6°C (43°F) | 6°C (43°F) | 7°C (44°F) | 6°C (42°F) | 6°C (43°F) | 5°C (40°F) | 4°C (39°F) |
| Waves | ||||||||
| Height | 0.7m (2.5ft) | 0.7m (2.5ft) | 0.8m (2.7ft) | 0.9m (2.9ft) | 0.7m (2.4ft) | 0.6m (2.0ft) | 0.6m (1.8ft) | 0.5m (1.6ft) |
| Direction | 156° SSE | 144° SE | 148° SSE | 153° SSE | 154° SSE | 155° SSE | 171° S | 190° S |
| Period | 15.0 sec. | 9.8 sec. | 9.4 sec. | 5.5 sec. | 5.4 sec. | 5.1 sec. | 4.9 sec. | 4.1 sec. |
| Significant height | 0.6m (2ft) | 0.7m (2.3ft) | 0.6m (2ft) | 0.9m (3ft) | 0.8m (2.6ft) | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.5m (1.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) |
Sea weather on Monday 24 March 2025
On Monday 24 March 2025, the sun will rise at 05:58 and will set at 18:24 on the beach(es) of Portsmouth. The outside temperature will be a high of 49°F t and a low of 45°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 14.3mph km/h (with gusts up to 21.1mph). 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 | 7°C (45°F) | 7°C (45°F) | 7°C (45°F) | 8°C (47°F) | 9°C (48°F) | 9°C (48°F) | 8°C (46°F) | 7°C (45°F) |
| Perceived temperature | 4°C (39°F) | 4°C (39°F) | 4°C (39°F) | 5°C (41°F) | 6°C (42°F) | 6°C (42°F) | 5°C (41°F) | 5°C (41°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 84% | 79% | 76% | 69% | 66% | 73% | 77% | 85% |
| Barometric pressure | 1008 hPa | 1009 hPa | 1009 hPa | 1011 hPa | 1012 hPa | 1011 hPa | 1012 hPa | 1013 hPa |
| Cloud cover | 72% | 88% | 91% | 76% | 65% | 100% | 100% | 100% |
| Heat index | 7°C (45°F) | 7°C (45°F) | 7°C (45°F) | 8°C (47°F) | 9°C (48°F) | 9°C (48°F) | 8°C (46°F) | 7°C (45°F) |
| Dew point | 5°C (40°F) | 4°C (39°F) | 3°C (38°F) | 3°C (37°F) | 3°C (37°F) | 4°C (40°F) | 4°C (39°F) | 5°C (41°F) |
| Wind | ||||||||
| Speed | 19km/h (12mph) | 21km/h (13mph) | 20km/h (12mph) | 20km/h (13mph) | 22km/h (13mph) | 23km/h (14mph) | 19km/h (12mph) | 13km/h (8mph) |
| Gusts | 28km/h (17mph) | 30km/h (19mph) | 30km/h (19mph) | 29km/h (18mph) | 32km/h (20mph) | 34km/h (21mph) | 30km/h (19mph) | 20km/h (12mph) |
| Direction | 253° WSW | 244° WSW | 245° WSW | 240° WSW | 227° SW | 235° SW | 231° SW | 222° SW |
| Wind chill | 4°C (39°F) | 4°C (39°F) | 4°C (39°F) | 5°C (41°F) | 6°C (42°F) | 6°C (42°F) | 5°C (41°F) | 5°C (41°F) |
| Waves | ||||||||
| Height | 0.4m (1.2ft) | 0.3m (0.9ft) | 0.2m (0.8ft) | 0.2m (0.7ft) | 0.2m (0.6ft) | 0.2m (0.5ft) | 0.2m (0.7ft) | 0.3m (0.9ft) |
| Direction | 192° SSW | 199° SSW | 215° SW | 218° SW | 218° SW | 221° SW | 220° SW | 229° SW |
| Period | 4.1 sec. | 3.8 sec. | 3.6 sec. | 3.8 sec. | 7.9 sec. | 7.6 sec. | 7.2 sec. | 3.3 sec. |
| Significant height | 0.4m (1.3ft) | 0.3m (1ft) | 0.4m (1.3ft) | 0.3m (1ft) | 0.2m (0.7ft) | 0.2m (0.7ft) | 0.4m (1.3ft) | 0.6m (2ft) |
| Sea water temperature | ||||||||
| Water temperature | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) |
Sea weather on Tuesday 25 March 2025
On Tuesday 25 March 2025, the sun will rise at 05:56 and will set at 18:26 on the beach(es) of Portsmouth. The outside temperature will be a high of 49°F t and a low of 45°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 11.8mph 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 | 7°C (45°F) | 8°C (46°F) | 8°C (47°F) | 8°C (47°F) | 9°C (49°F) | 7°C (45°F) | 8°C (47°F) | 7°C (45°F) |
| Perceived temperature | 5°C (40°F) | 5°C (41°F) | 7°C (44°F) | 5°C (41°F) | 7°C (44°F) | 4°C (39°F) | 6°C (43°F) | 4°C (40°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 93% | 96% | 98% | 78% | 72% | 63% | 72% | 75% |
| Barometric pressure | 1013 hPa | 1013 hPa | 1013 hPa | 1015 hPa | 1015 hPa | 1015 hPa | 1016 hPa | 1018 hPa |
| Cloud cover | 100% | 100% | 100% | 70% | 100% | 0% | 43% | 95% |
| Heat index | 7°C (45°F) | 8°C (46°F) | 8°C (47°F) | 8°C (47°F) | 9°C (49°F) | 7°C (45°F) | 8°C (47°F) | 7°C (45°F) |
| Dew point | 6°C (44°F) | 7°C (45°F) | 8°C (46°F) | 5°C (40°F) | 5°C (40°F) | 0°C (33°F) | 3°C (38°F) | 3°C (38°F) |
| Wind | ||||||||
| Speed | 15km/h (9mph) | 16km/h (10mph) | 8km/h (5mph) | 19km/h (12mph) | 19km/h (12mph) | 18km/h (11mph) | 12km/h (8mph) | 17km/h (11mph) |
| Gusts | 22km/h (14mph) | 25km/h (15mph) | 13km/h (8mph) | 28km/h (17mph) | 28km/h (17mph) | 23km/h (14mph) | 24km/h (15mph) | 27km/h (17mph) |
| Direction | 212° SSW | 220° SW | 279° W | 2° N | 7° N | 18° NNE | 17° NNE | 57° ENE |
| Wind chill | 5°C (40°F) | 5°C (41°F) | 7°C (44°F) | 5°C (41°F) | 7°C (44°F) | 4°C (39°F) | 6°C (43°F) | 4°C (40°F) |
| Waves | ||||||||
| Height | 0.3m (1.0ft) | 0.3m (1.1ft) | 0.5m (1.5ft) | 0.4m (1.3ft) | 0.3m (1.0ft) | 0.4m (1.2ft) | 0.4m (1.3ft) | 0.4m (1.2ft) |
| Direction | 281° W | 273° W | 245° WSW | 225° SW | 224° SW | 226° SW | 224° SW | 222° SW |
| Period | 3.6 sec. | 3.6 sec. | 3.6 sec. | 4.7 sec. | 4.7 sec. | 4.7 sec. | 4.6 sec. | 4.9 sec. |
| Significant height | 0.5m (1.6ft) | 0.6m (2ft) | 0.8m (2.6ft) | 0.5m (1.6ft) | 0.4m (1.3ft) | 0.6m (2ft) | 0.6m (2ft) | 0.5m (1.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) |