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 |
|---|---|---|---|---|
| Monday 28 April 2025 | 49°F to 58°F | 6.2mph | recommended | all the sea weather |
| Tuesday 29 April 2025 | 50°F to 59°F | 8.7mph | recommended | all the sea weather |
| Wednesday 30 April 2025 | 50°F to 59°F | 8.1mph | recommended | all the sea weather |
| Thursday 1 May 2025 | 54°F to 59°F | 4.4mph | recommended | all the sea weather |
| Friday 2 May 2025 | 52°F to 63°F | 12.4mph | recommended | all the sea weather |
| Saturday 3 May 2025 | 50°F to 59°F | 17.4mph | discouraged | all the sea weather |
| Sunday 4 May 2025 | 49°F to 59°F | 25.5mph | not recommended | all the sea weather |
Sea Weather: Your daily and hourly sea weather in Portsmouth
Sea weather on Monday 28 April 2025
On Monday 28 April 2025, the sun will rise at 05:44 and will set at 20:21 on the beach(es) of Portsmouth. 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 6.8mph km/h (with gusts up to 13.1mph). 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 | 10°C (51°F) | 10°C (50°F) | 11°C (51°F) | 13°C (55°F) | 13°C (56°F) | 14°C (57°F) | 13°C (55°F) | 11°C (52°F) |
| Perceived temperature | 10°C (51°F) | 10°C (51°F) | 11°C (52°F) | 12°C (54°F) | 12°C (54°F) | 13°C (56°F) | 12°C (53°F) | 10°C (50°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 82% | 81% | 78% | 73% | 73% | 68% | 71% | 74% |
| Barometric pressure | 1027 hPa | 1027 hPa | 1027 hPa | 1027 hPa | 1027 hPa | 1026 hPa | 1026 hPa | 1026 hPa |
| Cloud cover | 0% | 33% | 100% | 20% | 13% | 94% | 14% | 0% |
| Heat index | 10°C (51°F) | 10°C (50°F) | 11°C (51°F) | 13°C (55°F) | 13°C (56°F) | 14°C (57°F) | 13°C (55°F) | 11°C (52°F) |
| Dew point | 7°C (45°F) | 7°C (44°F) | 7°C (45°F) | 8°C (47°F) | 9°C (48°F) | 8°C (47°F) | 8°C (46°F) | 7°C (44°F) |
| Wind | ||||||||
| Speed | 1km/h (1mph) | 4km/h (2mph) | 4km/h (3mph) | 8km/h (5mph) | 11km/h (7mph) | 11km/h (7mph) | 10km/h (6mph) | 10km/h (6mph) |
| Gusts | 2km/h (1mph) | 8km/h (5mph) | 8km/h (5mph) | 12km/h (7mph) | 19km/h (12mph) | 19km/h (12mph) | 21km/h (13mph) | 21km/h (13mph) |
| Direction | 248° WSW | 339° NNW | 63° ENE | 119° ESE | 134° SE | 130° SE | 111° ESE | 74° ENE |
| Wind chill | 10°C (51°F) | 10°C (51°F) | 11°C (52°F) | 12°C (54°F) | 12°C (54°F) | 13°C (56°F) | 12°C (53°F) | 10°C (50°F) |
| Waves | ||||||||
| Height | 0.1m (0.4ft) | 0.1m (0.4ft) | 0.1m (0.4ft) | 0.1m (0.4ft) | 0.1m (0.5ft) | 0.1m (0.5ft) | 0.1m (0.5ft) | 0.2m (0.6ft) |
| Direction | 220° SW | 220° SW | 220° SW | 220° SW | 220° SW | 223° SW | 219° SW | 219° SW |
| Period | 10.9 sec. | 10.8 sec. | 10.7 sec. | 10.6 sec. | 10.5 sec. | 10.4 sec. | 10.6 sec. | 10.7 sec. |
| Significant height | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.2m (0.7ft) | 0.3m (1ft) | 0.3m (1ft) | 0.3m (1ft) | 0.3m (1ft) |
| Sea water temperature | ||||||||
| Water temperature | 9°C (49°F) | 9°C (49°F) | 9°C (49°F) | 9°C (49°F) | 9°C (49°F) | 9°C (49°F) | 9°C (49°F) | 9°C (49°F) |
Sea weather on Tuesday 29 April 2025
On Tuesday 29 April 2025, the sun will rise at 05:42 and will set at 20:22 on the beach(es) of Portsmouth. The outside temperature will be a high of 59°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 11.2mph km/h (with gusts up to 18mph). 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 | 11°C (51°F) | 11°C (51°F) | 11°C (51°F) | 14°C (57°F) | 13°C (55°F) | 13°C (55°F) | 11°C (52°F) | 12°C (54°F) |
| Perceived temperature | 10°C (49°F) | 9°C (48°F) | 9°C (49°F) | 13°C (55°F) | 11°C (52°F) | 11°C (51°F) | 10°C (49°F) | 11°C (51°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 77% | 71% | 74% | 72% | 73% | 72% | 79% | 88% |
| Barometric pressure | 1026 hPa | 1026 hPa | 1026 hPa | 1026 hPa | 1025 hPa | 1024 hPa | 1024 hPa | 1024 hPa |
| Cloud cover | 1% | 0% | 0% | 0% | 0% | 0% | 0% | 0% |
| Heat index | 11°C (51°F) | 11°C (51°F) | 11°C (51°F) | 14°C (57°F) | 13°C (55°F) | 13°C (55°F) | 11°C (52°F) | 12°C (54°F) |
| Dew point | 7°C (44°F) | 5°C (42°F) | 6°C (43°F) | 9°C (48°F) | 8°C (47°F) | 8°C (46°F) | 8°C (46°F) | 10°C (51°F) |
| Wind | ||||||||
| Speed | 10km/h (6mph) | 11km/h (7mph) | 11km/h (7mph) | 15km/h (9mph) | 18km/h (11mph) | 17km/h (11mph) | 12km/h (7mph) | 14km/h (9mph) |
| Gusts | 22km/h (14mph) | 23km/h (15mph) | 23km/h (15mph) | 24km/h (15mph) | 20km/h (12mph) | 21km/h (13mph) | 25km/h (16mph) | 29km/h (18mph) |
| Direction | 70° ENE | 48° NE | 53° NE | 86° E | 108° ESE | 106° ESE | 98° E | 63° ENE |
| Wind chill | 10°C (49°F) | 9°C (48°F) | 9°C (49°F) | 13°C (55°F) | 11°C (52°F) | 11°C (51°F) | 10°C (49°F) | 11°C (51°F) |
| Waves | ||||||||
| Height | 0.3m (1.0ft) | 0.4m (1.3ft) | 0.4m (1.3ft) | 0.4m (1.2ft) | 0.4m (1.2ft) | 0.4m (1.2ft) | 0.4m (1.3ft) | 0.5m (1.7ft) |
| Direction | 218° SW | 122° ESE | 119° ESE | 113° ESE | 112° ESE | 114° ESE | 114° ESE | 114° ESE |
| Period | 10.7 sec. | 10.7 sec. | 10.6 sec. | 10.3 sec. | 10.0 sec. | 9.9 sec. | 9.8 sec. | 9.8 sec. |
| Significant height | 0.4m (1.3ft) | 0.4m (1.3ft) | 0.4m (1.3ft) | 0.4m (1.3ft) | 0.5m (1.6ft) | 0.5m (1.6ft) | 0.5m (1.6ft) | 0.6m (2ft) |
| Sea water temperature | ||||||||
| Water temperature | 9°C (49°F) | 9°C (49°F) | 9°C (49°F) | 9°C (49°F) | 9°C (49°F) | 9°C (49°F) | 9°C (49°F) | 9°C (49°F) |
Sea weather on Wednesday 30 April 2025
On Wednesday 30 April 2025, the sun will rise at 05:40 and will set at 20:24 on the beach(es) of Portsmouth. The outside temperature will be a high of 59°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 9.9mph 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 | 11°C (52°F) | 10°C (51°F) | 11°C (52°F) | 15°C (58°F) | 14°C (56°F) | 13°C (55°F) | 12°C (53°F) | 13°C (56°F) |
| Perceived temperature | 9°C (49°F) | 9°C (48°F) | 10°C (50°F) | 14°C (57°F) | 12°C (54°F) | 12°C (53°F) | 10°C (51°F) | 12°C (54°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 81% | 82% | 82% | 74% | 74% | 74% | 78% | 86% |
| Barometric pressure | 1024 hPa | 1023 hPa | 1023 hPa | 1023 hPa | 1022 hPa | 1021 hPa | 1020 hPa | 1021 hPa |
| Cloud cover | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% |
| Heat index | 11°C (52°F) | 10°C (51°F) | 11°C (52°F) | 15°C (58°F) | 14°C (56°F) | 13°C (55°F) | 12°C (53°F) | 13°C (56°F) |
| Dew point | 8°C (46°F) | 8°C (46°F) | 8°C (47°F) | 10°C (50°F) | 9°C (48°F) | 8°C (47°F) | 8°C (46°F) | 11°C (52°F) |
| Wind | ||||||||
| Speed | 13km/h (8mph) | 12km/h (7mph) | 10km/h (6mph) | 15km/h (9mph) | 16km/h (10mph) | 15km/h (10mph) | 12km/h (7mph) | 13km/h (8mph) |
| Gusts | 27km/h (17mph) | 25km/h (16mph) | 22km/h (14mph) | 25km/h (15mph) | 33km/h (21mph) | 33km/h (20mph) | 25km/h (16mph) | 28km/h (17mph) |
| Direction | 49° NE | 44° NE | 43° NE | 75° ENE | 109° ESE | 107° ESE | 99° E | 69° ENE |
| Wind chill | 9°C (49°F) | 9°C (48°F) | 10°C (50°F) | 14°C (57°F) | 12°C (54°F) | 12°C (53°F) | 10°C (51°F) | 12°C (54°F) |
| Waves | ||||||||
| Height | 0.5m (1.8ft) | 0.5m (1.6ft) | 0.5m (1.5ft) | 0.4m (1.4ft) | 0.5m (1.5ft) | 0.5m (1.6ft) | 0.6m (1.8ft) | 0.6m (2.1ft) |
| Direction | 113° ESE | 104° ESE | 101° E | 92° E | 96° E | 106° ESE | 105° ESE | 106° ESE |
| Period | 9.8 sec. | 9.8 sec. | 9.7 sec. | 9.2 sec. | 9.0 sec. | 8.9 sec. | 8.8 sec. | 8.4 sec. |
| Significant height | 0.6m (2ft) | 0.5m (1.6ft) | 0.5m (1.6ft) | 0.5m (1.6ft) | 0.6m (2ft) | 0.6m (2ft) | 0.7m (2.3ft) | 0.8m (2.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 9°C (49°F) | 9°C (49°F) | 9°C (49°F) | 9°C (49°F) | 9°C (49°F) | 9°C (49°F) | 9°C (49°F) | 9°C (49°F) |
Sea weather on Thursday 1 May 2025
On Thursday 1 May 2025, the sun will rise at 05:38 and will set at 20:26 on the beach(es) of Portsmouth. The outside temperature will be a high of 59°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 8.7mph km/h (with gusts up to 16.8mph). 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 | 12°C (54°F) | 12°C (53°F) | 13°C (55°F) | 15°C (58°F) | 15°C (59°F) | 15°C (59°F) | 14°C (56°F) | 13°C (56°F) |
| Perceived temperature | 11°C (52°F) | 11°C (51°F) | 12°C (53°F) | 14°C (57°F) | 14°C (57°F) | 15°C (58°F) | 13°C (56°F) | 13°C (55°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 85% | 82% | 83% | 80% | 79% | 80% | 87% | 90% |
| Barometric pressure | 1021 hPa | 1020 hPa | 1019 hPa | 1020 hPa | 1019 hPa | 1018 hPa | 1018 hPa | 1018 hPa |
| Cloud cover | 0% | 8% | 15% | 49% | 49% | 44% | 73% | 6% |
| Heat index | 12°C (54°F) | 12°C (53°F) | 13°C (55°F) | 15°C (58°F) | 15°C (59°F) | 15°C (59°F) | 14°C (56°F) | 13°C (56°F) |
| Dew point | 10°C (50°F) | 9°C (48°F) | 10°C (49°F) | 11°C (52°F) | 11°C (52°F) | 11°C (53°F) | 11°C (52°F) | 12°C (53°F) |
| Wind | ||||||||
| Speed | 13km/h (8mph) | 11km/h (7mph) | 10km/h (6mph) | 14km/h (9mph) | 14km/h (9mph) | 9km/h (6mph) | 8km/h (5mph) | 7km/h (4mph) |
| Gusts | 27km/h (17mph) | 23km/h (15mph) | 22km/h (14mph) | 25km/h (16mph) | 27km/h (17mph) | 19km/h (12mph) | 17km/h (11mph) | 14km/h (9mph) |
| Direction | 67° ENE | 68° ENE | 84° E | 116° ESE | 126° SE | 155° SSE | 203° SSW | 232° SW |
| Wind chill | 11°C (52°F) | 11°C (51°F) | 12°C (53°F) | 14°C (57°F) | 14°C (57°F) | 15°C (58°F) | 13°C (56°F) | 13°C (55°F) |
| Waves | ||||||||
| Height | 0.7m (2.2ft) | 0.6m (1.9ft) | 0.5m (1.7ft) | 0.5m (1.6ft) | 0.5m (1.6ft) | 0.4m (1.4ft) | 0.3m (1.1ft) | 0.3m (0.9ft) |
| Direction | 99° E | 101° ESE | 97° E | 107° ESE | 115° ESE | 119° ESE | 124° ESE | 125° SE |
| Period | 8.2 sec. | 8.2 sec. | 8.2 sec. | 8.2 sec. | 8.2 sec. | 8.2 sec. | 3.3 sec. | 3.1 sec. |
| Significant height | 0.7m (2.3ft) | 0.6m (2ft) | 0.6m (2ft) | 0.6m (2ft) | 0.6m (2ft) | 0.5m (1.6ft) | 0.5m (1.6ft) | 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 Friday 2 May 2025
On Friday 2 May 2025, the sun will rise at 05:37 and will set at 20:27 on the beach(es) of Portsmouth. The outside temperature will be a high of 63°F t and a low of 52°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 12.4mph km/h (with gusts up to 21.1mph). 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 | 12°C (53°F) | 11°C (51°F) | 12°C (54°F) | 15°C (60°F) | 17°C (62°F) | 17°C (63°F) | 16°C (60°F) | 14°C (57°F) |
| Perceived temperature | 10°C (51°F) | 9°C (48°F) | 12°C (53°F) | 15°C (60°F) | 17°C (62°F) | 17°C (63°F) | 16°C (60°F) | 12°C (54°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 95% | 98% | 95% | 84% | 76% | 75% | 84% | 94% |
| Barometric pressure | 1019 hPa | 1019 hPa | 1020 hPa | 1021 hPa | 1021 hPa | 1020 hPa | 1021 hPa | 1022 hPa |
| Cloud cover | 19% | 74% | 68% | 37% | 13% | 11% | 77% | 59% |
| Heat index | 12°C (53°F) | 11°C (51°F) | 12°C (54°F) | 15°C (60°F) | 17°C (62°F) | 17°C (63°F) | 16°C (60°F) | 14°C (57°F) |
| Dew point | 11°C (52°F) | 10°C (51°F) | 11°C (53°F) | 13°C (55°F) | 13°C (55°F) | 13°C (55°F) | 13°C (55°F) | 13°C (55°F) |
| Wind | ||||||||
| Speed | 12km/h (8mph) | 13km/h (8mph) | 9km/h (6mph) | 9km/h (6mph) | 3km/h (2mph) | 6km/h (4mph) | 4km/h (3mph) | 20km/h (13mph) |
| Gusts | 26km/h (16mph) | 24km/h (15mph) | 15km/h (9mph) | 14km/h (9mph) | 6km/h (3mph) | 11km/h (7mph) | 9km/h (6mph) | 34km/h (21mph) |
| Direction | 250° WSW | 275° W | 300° WNW | 331° NNW | 230° SW | 177° S | 10° N | 91° E |
| Wind chill | 10°C (51°F) | 9°C (48°F) | 12°C (53°F) | 15°C (60°F) | 17°C (62°F) | 17°C (63°F) | 16°C (60°F) | 12°C (54°F) |
| Waves | ||||||||
| Height | 0.2m (0.7ft) | 0.2m (0.6ft) | 0.2m (0.5ft) | 0.1m (0.5ft) | 0.1m (0.5ft) | 0.1m (0.5ft) | 0.1m (0.4ft) | 0.1m (0.4ft) |
| Direction | 128° SE | 212° SSW | 210° SSW | 214° SSW | 214° SSW | 229° SW | 230° SW | 220° SW |
| Period | 3.0 sec. | 2.9 sec. | 2.8 sec. | 3.1 sec. | 3.8 sec. | 4.0 sec. | 3.9 sec. | 3.9 sec. |
| Significant height | 0.4m (1.3ft) | 0.3m (1ft) | 0.2m (0.7ft) | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.2m (0.7ft) | 0.3m (1ft) | 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 Saturday 3 May 2025
On Saturday 3 May 2025, the sun will rise at 05:35 and will set at 20:29 on the beach(es) of Portsmouth. The outside temperature will be a high of 59°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 19.9mph km/h (with gusts up to 27.3mph). 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 | 11°C (52°F) | 10°C (50°F) | 10°C (50°F) | 13°C (55°F) | 15°C (58°F) | 14°C (56°F) | 13°C (55°F) | 10°C (51°F) |
| Perceived temperature | 9°C (48°F) | 7°C (44°F) | 7°C (44°F) | 10°C (50°F) | 13°C (55°F) | 11°C (52°F) | 10°C (50°F) | 7°C (45°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 85% | 83% | 77% | 68% | 66% | 69% | 72% | 70% |
| Barometric pressure | 1022 hPa | 1022 hPa | 1022 hPa | 1022 hPa | 1021 hPa | 1020 hPa | 1019 hPa | 1019 hPa |
| Cloud cover | 9% | 5% | 21% | 48% | 59% | 43% | 42% | 42% |
| Heat index | 11°C (52°F) | 10°C (50°F) | 10°C (50°F) | 13°C (55°F) | 15°C (58°F) | 14°C (56°F) | 13°C (55°F) | 10°C (51°F) |
| Dew point | 9°C (48°F) | 7°C (45°F) | 6°C (43°F) | 7°C (45°F) | 8°C (47°F) | 8°C (46°F) | 8°C (46°F) | 5°C (41°F) |
| Wind | ||||||||
| Speed | 22km/h (14mph) | 23km/h (14mph) | 27km/h (17mph) | 32km/h (20mph) | 27km/h (17mph) | 27km/h (17mph) | 27km/h (17mph) | 28km/h (17mph) |
| Gusts | 37km/h (23mph) | 38km/h (24mph) | 40km/h (25mph) | 44km/h (27mph) | 42km/h (26mph) | 29km/h (18mph) | 29km/h (18mph) | 44km/h (27mph) |
| Direction | 62° ENE | 58° ENE | 65° ENE | 70° ENE | 84° E | 92° E | 64° ENE | 59° ENE |
| Wind chill | 9°C (48°F) | 7°C (44°F) | 7°C (44°F) | 10°C (50°F) | 13°C (55°F) | 11°C (52°F) | 10°C (50°F) | 7°C (45°F) |
| Waves | ||||||||
| Height | 0.2m (0.7ft) | 0.4m (1.4ft) | 0.7m (2.2ft) | 0.7m (2.4ft) | 0.6m (2.0ft) | 0.7m (2.3ft) | 0.7m (2.2ft) | 0.6m (1.9ft) |
| Direction | 51° NE | 83° E | 99° E | 99° E | 112° ESE | 106° ESE | 109° ESE | 107° ESE |
| Period | 6.2 sec. | 6.2 sec. | 6.1 sec. | 6.1 sec. | 6.1 sec. | 6.1 sec. | 11.9 sec. | 11.9 sec. |
| Significant height | 0.6m (2ft) | 0.7m (2.3ft) | 1.0m (3.3ft) | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.8m (2.6ft) | 0.7m (2.3ft) | 0.5m (1.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 9°C (49°F) | 9°C (49°F) | 9°C (49°F) | 9°C (49°F) | 9°C (49°F) | 9°C (49°F) | 9°C (49°F) | 9°C (49°F) |
Sea weather on Sunday 4 May 2025
On Sunday 4 May 2025, the sun will rise at 05:33 and will set at 20:30 on the beach(es) of Portsmouth. The outside temperature will be a high of 59°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! Be careful, the sea will be generally rough with a wind speed of up to 25.5mph km/h (with gusts up to 27.3mph). 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 | 10°C (50°F) | 11°C (51°F) | 11°C (51°F) | 13°C (55°F) | 15°C (58°F) | 14°C (58°F) | 11°C (53°F) | 9°C (48°F) |
| Perceived temperature | 7°C (44°F) | 8°C (46°F) | 7°C (45°F) | 10°C (50°F) | 12°C (54°F) | 12°C (53°F) | 8°C (46°F) | 5°C (41°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 73% | 73% | 75% | 74% | 69% | 64% | 66% | 72% |
| Barometric pressure | 1018 hPa | 1017 hPa | 1017 hPa | 1017 hPa | 1016 hPa | 1015 hPa | 1014 hPa | 1015 hPa |
| Cloud cover | 45% | 53% | 53% | 65% | 40% | 46% | 24% | 13% |
| Heat index | 10°C (50°F) | 11°C (51°F) | 11°C (51°F) | 13°C (55°F) | 15°C (58°F) | 14°C (58°F) | 11°C (53°F) | 9°C (48°F) |
| Dew point | 5°C (42°F) | 6°C (43°F) | 6°C (44°F) | 8°C (47°F) | 9°C (48°F) | 8°C (46°F) | 5°C (41°F) | 4°C (40°F) |
| Wind | ||||||||
| Speed | 27km/h (17mph) | 28km/h (18mph) | 30km/h (18mph) | 31km/h (19mph) | 36km/h (22mph) | 38km/h (24mph) | 37km/h (23mph) | 41km/h (25mph) |
| Gusts | 42km/h (26mph) | 43km/h (26mph) | 42km/h (26mph) | 43km/h (27mph) | 37km/h (23mph) | 44km/h (28mph) | 40km/h (25mph) | 42km/h (26mph) |
| Direction | 58° ENE | 62° ENE | 58° ENE | 71° ENE | 70° ENE | 61° ENE | 57° ENE | 49° NE |
| Wind chill | 7°C (44°F) | 8°C (46°F) | 7°C (45°F) | 10°C (50°F) | 12°C (54°F) | 12°C (53°F) | 8°C (46°F) | 5°C (41°F) |
| Waves | ||||||||
| Height | 0.5m (1.8ft) | 0.5m (1.8ft) | 0.6m (2.0ft) | 0.7m (2.4ft) | 0.6m (2.1ft) | 0.6m (1.9ft) | 0.5m (1.5ft) | 0.3m (1.1ft) |
| Direction | 104° ESE | 103° ESE | 82° E | 89° E | 92° E | 72° ENE | 85° E | 86° E |
| Period | 11.9 sec. | 6.6 sec. | 6.6 sec. | 9.0 sec. | 8.5 sec. | 8.2 sec. | 8.1 sec. | 8.0 sec. |
| Significant height | 0.6m (2ft) | 0.6m (2ft) | 0.8m (2.6ft) | 0.8m (2.6ft) | 0.7m (2.3ft) | 0.6m (2ft) | 0.5m (1.6ft) | 0.3m (1ft) |
| Sea water temperature | ||||||||
| Water temperature | 9°C (49°F) | 9°C (49°F) | 9°C (49°F) | 9°C (49°F) | 9°C (49°F) | 9°C (49°F) | 9°C (49°F) | 9°C (49°F) |