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. Our opinion
Thursday 29 January 202643°F to 47°Fdiscouraged
Friday 30 January 202645°F to 47°Fnot recommended
Saturday 31 January 202645°F to 49°Fdiscouraged
Sunday 1 February 202645°F to 49°Fdiscouraged
Monday 2 February 202645°F to 49°Fdiscouraged
Tuesday 3 February 202647°F to 49°Fdiscouraged
Wednesday 4 February 202645°F to 47°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Portsmouth

Sea weather on Thursday 29 January 2026

On Thursday 29 January 2026, the sun will rise at 07:45 and will set at 16:51 on the beach(es) of Portsmouth. The outside temperature will be a high of 47°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 21.8mph km/h (with gusts up to 29.2mph). Wave height will be up to 4.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature7°C (44°F)6°C (43°F)6°C (43°F)6°C (43°F)7°C (45°F)7°C (45°F)8°C (46°F)8°C (46°F)
Perceived temperature4°C (40°F)3°C (38°F)3°C (37°F)2°C (36°F)3°C (38°F)3°C (37°F)3°C (38°F)4°C (39°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity83%84%85%82%78%83%85%89%
Barometric pressure998 hPa997 hPa998 hPa998 hPa997 hPa995 hPa993 hPa992 hPa
Cloud cover3%8%25%9%37%100%100%100%
Heat index7°C (44°F)6°C (43°F)6°C (43°F)6°C (43°F)7°C (45°F)7°C (45°F)8°C (46°F)8°C (46°F)
Dew point4°C (39°F)4°C (39°F)4°C (39°F)3°C (38°F)4°C (39°F)4°C (40°F)5°C (41°F)6°C (43°F)
Wind
Speed11km/h (7mph)15km/h (9mph)18km/h (11mph)21km/h (13mph)28km/h (17mph)29km/h (18mph)30km/h (18mph)35km/h (22mph)
Gusts19km/h (12mph)26km/h (16mph)30km/h (19mph)34km/h (21mph)40km/h (25mph)42km/h (26mph)47km/h (29mph)39km/h (25mph)
Direction 116°
ESE
109°
ESE
112°
ESE
126°
SE
134°
SE
133°
SE
135°
SE
145°
SE
Wind chill4°C (40°F)3°C (38°F)3°C (37°F)2°C (36°F)3°C (38°F)3°C (37°F)3°C (38°F)4°C (39°F)
Waves
Height0.6m (2.0ft)0.6m (2.0ft)0.7m (2.2ft)0.7m (2.4ft)0.8m (2.7ft)0.9m (3.1ft)1.1m (3.6ft)1.3m (4.2ft)
Direction 205°
SSW
207°
SSW
207°
SSW
207°
SSW
206°
SSW
208°
SSW
150°
SSE
160°
SSE
Period17.0 sec.16.5 sec.16.6 sec.16.3 sec.15.8 sec.14.9 sec.14.4 sec.14.4 sec.
Significant height0.3m (1ft)0.5m (1.6ft)0.6m (2ft)0.6m (2ft)0.8m (2.6ft)1.0m (3.3ft)1.2m (3.9ft)1.3m (4.3ft)
Sea water temperature
Water temperature6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)

Sea weather on Friday 30 January 2026

On Friday 30 January 2026, the sun will rise at 07:44 and will set at 16:53 on the beach(es) of Portsmouth. The outside temperature will be a high of 47°F t and a low of 45°F. Precipitation is in the forecast (0.2in 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 26.1mph km/h (with gusts up to 31.7mph). Wave height will be up to 5.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)8°C (47°F)8°C (46°F)8°C (47°F)8°C (46°F)
Perceived temperature4°C (39°F)5°C (42°F)5°C (40°F)5°C (41°F)5°C (40°F)3°C (37°F)3°C (38°F)8°C (46°F)
Precipitation0in0in0in0in0in0.1in0in0in
Humidity94%93%90%90%87%93%91%92%
Barometric pressure990 hPa990 hPa990 hPa990 hPa989 hPa985 hPa982 hPa981 hPa
Cloud cover100%100%52%53%58%100%100%100%
Heat index8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)8°C (47°F)8°C (46°F)8°C (47°F)8°C (46°F)
Dew point7°C (45°F)7°C (44°F)6°C (43°F)6°C (44°F)6°C (43°F)7°C (44°F)7°C (44°F)6°C (44°F)
Wind
Speed35km/h (21mph)15km/h (9mph)19km/h (12mph)20km/h (12mph)26km/h (16mph)41km/h (25mph)42km/h (26mph)2km/h (1mph)
Gusts51km/h (32mph)23km/h (14mph)31km/h (20mph)32km/h (20mph)37km/h (23mph)43km/h (27mph)48km/h (30mph)3km/h (2mph)
Direction 161°
SSE
201°
SSW
221°
SW
211°
SSW
169°
S
139°
SE
143°
SE
176°
S
Wind chill4°C (39°F)5°C (42°F)5°C (40°F)5°C (41°F)5°C (40°F)3°C (37°F)3°C (38°F)8°C (46°F)
Waves
Height1.4m (4.6ft)1.1m (3.7ft)0.9m (3.0ft)0.8m (2.7ft)0.9m (3.1ft)1.3m (4.2ft)1.6m (5.2ft)1.5m (5.1ft)
Direction 166°
SSE
168°
SSE
169°
SSE
166°
SSE
208°
SSW
204°
SSW
204°
SSW
204°
SSW
Period5.4 sec.5.4 sec.5.4 sec.5.0 sec.5.0 sec.17.2 sec.17.2 sec.17.1 sec.
Significant height1.3m (4.3ft)0.7m (2.3ft)1.0m (3.3ft)0.6m (2ft)0.9m (3ft)1.1m (3.6ft)1.5m (4.9ft)1.1m (3.6ft)
Sea water temperature
Water temperature6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)

Sea weather on Saturday 31 January 2026

On Saturday 31 January 2026, the sun will rise at 07:42 and will set at 16:54 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 24.2mph km/h (with gusts up to 32.9mph). Wave height will be up to 7.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature8°C (46°F)8°C (46°F)8°C (46°F)8°C (47°F)8°C (47°F)9°C (48°F)7°C (44°F)7°C (45°F)
Perceived temperature3°C (37°F)3°C (38°F)3°C (38°F)4°C (40°F)4°C (39°F)5°C (41°F)3°C (38°F)4°C (40°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity87%87%86%83%88%86%90%93%
Barometric pressure986 hPa989 hPa992 hPa995 hPa997 hPa997 hPa999 hPa1001 hPa
Cloud cover71%56%87%86%100%100%87%40%
Heat index8°C (46°F)8°C (46°F)8°C (46°F)8°C (47°F)8°C (47°F)9°C (48°F)7°C (44°F)7°C (45°F)
Dew point6°C (42°F)6°C (42°F)6°C (42°F)6°C (42°F)6°C (44°F)7°C (44°F)5°C (41°F)6°C (43°F)
Wind
Speed36km/h (23mph)35km/h (22mph)35km/h (21mph)31km/h (19mph)39km/h (24mph)31km/h (19mph)17km/h (11mph)17km/h (11mph)
Gusts53km/h (33mph)37km/h (23mph)40km/h (25mph)48km/h (30mph)44km/h (27mph)37km/h (23mph)21km/h (13mph)29km/h (18mph)
Direction 245°
WSW
239°
WSW
235°
SW
223°
SW
203°
SSW
213°
SSW
244°
WSW
243°
WSW
Wind chill3°C (37°F)3°C (38°F)3°C (38°F)4°C (40°F)4°C (39°F)5°C (41°F)3°C (38°F)4°C (40°F)
Waves
Height2.2m (7.1ft)2.1m (6.8ft)1.7m (5.5ft)1.3m (4.2ft)1.0m (3.4ft)0.9m (3.1ft)0.9m (2.9ft)0.8m (2.8ft)
Direction 205°
SSW
205°
SSW
205°
SSW
206°
SSW
206°
SSW
206°
SSW
206°
SSW
205°
SSW
Period15.3 sec.11.3 sec.15.6 sec.5.3 sec.10.1 sec.16.2 sec.5.0 sec.15.6 sec.
Significant height1.6m (5.2ft)1.7m (5.6ft)1.6m (5.2ft)1.1m (3.6ft)0.9m (3ft)0.8m (2.6ft)0.7m (2.3ft)0.5m (1.6ft)
Sea water temperature
Water temperature6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)

Sea weather on Sunday 1 February 2026

On Sunday 1 February 2026, the sun will rise at 07:41 and will set at 16:56 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 19.9mph km/h (with gusts up to 28.6mph). Wave height will be up to 4.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature8°C (46°F)8°C (47°F)8°C (46°F)8°C (47°F)8°C (47°F)8°C (46°F)7°C (45°F)7°C (44°F)
Perceived temperature5°C (41°F)5°C (41°F)3°C (38°F)5°C (40°F)5°C (41°F)4°C (40°F)5°C (40°F)7°C (44°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity92%87%87%88%82%86%89%87%
Barometric pressure1002 hPa1001 hPa1000 hPa1000 hPa1000 hPa998 hPa998 hPa997 hPa
Cloud cover100%85%100%84%31%58%78%52%
Heat index8°C (46°F)8°C (47°F)8°C (46°F)8°C (47°F)8°C (47°F)8°C (46°F)7°C (45°F)7°C (44°F)
Dew point6°C (44°F)6°C (43°F)5°C (42°F)7°C (44°F)5°C (42°F)6°C (42°F)5°C (41°F)5°C (40°F)
Wind
Speed15km/h (9mph)19km/h (12mph)32km/h (20mph)27km/h (17mph)22km/h (14mph)21km/h (13mph)12km/h (8mph)3km/h (2mph)
Gusts25km/h (16mph)31km/h (20mph)46km/h (29mph)42km/h (26mph)33km/h (21mph)32km/h (20mph)20km/h (12mph)5km/h (3mph)
Direction 233°
SW
221°
SW
180°
S
204°
SSW
242°
WSW
240°
WSW
240°
WSW
201°
SSW
Wind chill5°C (41°F)5°C (41°F)3°C (38°F)5°C (40°F)5°C (41°F)4°C (40°F)5°C (40°F)7°C (44°F)
Waves
Height0.8m (2.8ft)1.1m (3.6ft)1.4m (4.6ft)1.1m (3.5ft)0.9m (2.9ft)0.7m (2.3ft)0.6m (2.1ft)0.7m (2.2ft)
Direction 207°
SSW
207°
SSW
176°
S
172°
S
177°
S
209°
SSW
210°
SSW
208°
SSW
Period15.6 sec.14.4 sec.5.1 sec.5.7 sec.5.5 sec.14.4 sec.14.4 sec.18.3 sec.
Significant height0.8m (2.6ft)1.2m (3.9ft)1.5m (4.9ft)1.6m (5.2ft)0.9m (3ft)0.5m (1.6ft)0.1m (0.3ft)0.4m (1.3ft)
Sea water temperature
Water temperature6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)

Sea weather on Monday 2 February 2026

On Monday 2 February 2026, the sun will rise at 07:39 and will set at 16:58 on the beach(es) of Portsmouth. The outside temperature will be a high of 49°F t and a low of 45°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 23mph km/h (with gusts up to 28.6mph). Wave height will be up to 4.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature7°C (45°F)7°C (45°F)7°C (45°F)8°C (47°F)8°C (47°F)9°C (47°F)8°C (47°F)8°C (46°F)
Perceived temperature5°C (41°F)4°C (39°F)3°C (38°F)5°C (40°F)4°C (40°F)6°C (42°F)4°C (39°F)4°C (40°F)
Precipitation0in0in0in0.1in0in0in0in0in
Humidity83%90%96%97%96%97%87%88%
Barometric pressure995 hPa992 hPa987 hPa985 hPa983 hPa982 hPa985 hPa989 hPa
Cloud cover43%100%100%100%100%100%58%40%
Heat index7°C (45°F)7°C (45°F)7°C (45°F)8°C (47°F)8°C (47°F)9°C (47°F)8°C (47°F)8°C (46°F)
Dew point5°C (40°F)6°C (42°F)7°C (44°F)8°C (46°F)8°C (46°F)8°C (47°F)6°C (43°F)6°C (43°F)
Wind
Speed12km/h (7mph)21km/h (13mph)30km/h (19mph)29km/h (18mph)30km/h (19mph)18km/h (11mph)37km/h (23mph)22km/h (13mph)
Gusts19km/h (11mph)32km/h (20mph)44km/h (27mph)43km/h (27mph)46km/h (29mph)31km/h (19mph)42km/h (26mph)37km/h (23mph)
Direction 129°
SE
114°
ESE
104°
ESE
131°
SE
155°
SSE
198°
SSW
255°
WSW
231°
SW
Wind chill5°C (41°F)4°C (39°F)3°C (38°F)5°C (40°F)4°C (40°F)6°C (42°F)4°C (39°F)4°C (40°F)
Waves
Height0.7m (2.4ft)0.9m (3.1ft)1.1m (3.7ft)1.3m (4.4ft)1.3m (4.4ft)1.2m (4.0ft)1.3m (4.4ft)1.3m (4.1ft)
Direction 206°
SSW
208°
SSW
149°
SSE
146°
SSE
145°
SE
143°
SE
145°
SE
155°
SSE
Period17.5 sec.16.6 sec.16.0 sec.15.8 sec.14.9 sec.14.6 sec.14.5 sec.14.5 sec.
Significant height0.8m (2.6ft)1.0m (3.3ft)1.1m (3.6ft)1.5m (4.9ft)1.2m (3.9ft)1.0m (3.3ft)1.2m (3.9ft)0.9m (3ft)
Sea water temperature
Water temperature6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)

Sea weather on Tuesday 3 February 2026

On Tuesday 3 February 2026, the sun will rise at 07:38 and will set at 17:00 on the beach(es) of Portsmouth. The outside temperature will be a high of 49°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 19.9mph km/h (with gusts up to 24.9mph). Wave height will be up to 3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature8°C (47°F)8°C (46°F)9°C (48°F)8°C (46°F)8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)
Perceived temperature4°C (40°F)4°C (40°F)6°C (42°F)5°C (40°F)5°C (40°F)5°C (40°F)4°C (40°F)4°C (39°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity90%91%82%92%88%88%86%89%
Barometric pressure991 hPa992 hPa993 hPa995 hPa997 hPa997 hPa998 hPa998 hPa
Cloud cover68%96%89%94%23%18%69%73%
Heat index8°C (47°F)8°C (46°F)9°C (48°F)8°C (46°F)8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)
Dew point7°C (44°F)7°C (44°F)6°C (42°F)7°C (44°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (44°F)
Wind
Speed25km/h (16mph)26km/h (16mph)20km/h (13mph)22km/h (14mph)23km/h (14mph)26km/h (16mph)28km/h (17mph)32km/h (20mph)
Gusts40km/h (25mph)40km/h (25mph)32km/h (20mph)32km/h (20mph)35km/h (22mph)32km/h (20mph)28km/h (17mph)33km/h (20mph)
Direction 216°
SW
200°
SSW
206°
SSW
192°
SSW
186°
S
179°
S
175°
S
183°
S
Wind chill4°C (40°F)4°C (40°F)6°C (42°F)5°C (40°F)5°C (40°F)5°C (40°F)4°C (40°F)4°C (39°F)
Waves
Height0.9m (3.0ft)0.7m (2.4ft)0.6m (2.0ft)0.6m (1.9ft)0.8m (2.6ft)0.8m (2.7ft)0.8m (2.7ft)0.8m (2.7ft)
Direction 152°
SSE
149°
SSE
145°
SE
142°
SE
258°
WSW
256°
WSW
209°
SSW
209°
SSW
Period5.6 sec.5.1 sec.4.7 sec.4.6 sec.4.6 sec.4.4 sec.4.4 sec.4.4 sec.
Significant height0.9m (3ft)0.7m (2.3ft)0.7m (2.3ft)0.8m (2.6ft)1.4m (4.6ft)1.0m (3.3ft)0.9m (3ft)1.0m (3.3ft)
Sea water temperature
Water temperature6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)

Sea weather on Wednesday 4 February 2026

On Wednesday 4 February 2026, the sun will rise at 07:36 and will set at 17:01 on the beach(es) of Portsmouth. The outside temperature will be a high of 47°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 18.6mph km/h (with gusts up to 28.6mph). Wave height will be up to 3.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)7°C (44°F)7°C (45°F)
Perceived temperature4°C (39°F)4°C (39°F)3°C (38°F)4°C (39°F)5°C (40°F)4°C (39°F)3°C (37°F)4°C (39°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity89%89%89%89%85%86%90%91%
Barometric pressure997 hPa996 hPa994 hPa993 hPa992 hPa991 hPa990 hPa989 hPa
Cloud cover60%51%59%75%29%40%81%91%
Heat index8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)7°C (44°F)7°C (45°F)
Dew point6°C (43°F)6°C (43°F)6°C (42°F)6°C (43°F)6°C (42°F)5°C (42°F)5°C (42°F)6°C (43°F)
Wind
Speed30km/h (18mph)29km/h (18mph)28km/h (18mph)27km/h (17mph)22km/h (14mph)23km/h (14mph)23km/h (14mph)20km/h (13mph)
Gusts46km/h (28mph)44km/h (27mph)43km/h (26mph)40km/h (25mph)33km/h (20mph)34km/h (21mph)40km/h (25mph)32km/h (20mph)
Direction 178°
S
163°
SSE
164°
SSE
160°
SSE
153°
SSE
120°
ESE
109°
ESE
118°
ESE
Wind chill4°C (39°F)4°C (39°F)3°C (38°F)4°C (39°F)5°C (40°F)4°C (39°F)3°C (37°F)4°C (39°F)
Waves
Height0.7m (2.3ft)0.7m (2.2ft)0.8m (2.6ft)0.8m (2.6ft)0.9m (3.1ft)0.9m (3.0ft)0.8m (2.6ft)1.0m (3.3ft)
Direction 209°
SSW
208°
SSW
211°
SSW
211°
SSW
192°
SSW
187°
S
180°
S
168°
SSE
Period14.1 sec.14.1 sec.14.1 sec.13.3 sec.4.2 sec.4.3 sec.13.1 sec.12.3 sec.
Significant height0.6m (2ft)0.5m (1.6ft)0.8m (2.6ft)0.8m (2.6ft)1.0m (3.3ft)0.8m (2.6ft)0.7m (2.3ft)1.1m (3.6ft)
Sea water temperature
Water temperature6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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