Sea weather in Boston in the United States (USA) All the beach weather in Boston

All the essential weather information for enjoying the beach in Boston in the United States (USA), 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 Boston over the next 7 days?

Discover the best moment to go to the beach in Boston in the United States (USA) this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Boston. You can see full forecasts by clicking on the day you want to see in the table below.

Date Outside temp. Our opinion
Thursday 4 December 202518°F to 40°Fnot recommended
Friday 5 December 202516°F to 29°Fnot recommended
Saturday 6 December 202529°F to 40°Fnot recommended
Sunday 7 December 202534°F to 38°Fnot recommended
Monday 8 December 202513°F to 36°Fnot recommended
Tuesday 9 December 202518°F to 32°Fnot recommended
Wednesday 10 December 202536°F to 54°Fnot recommended

Sea Weather: Your daily and hourly sea weather in Boston

Sea weather on Thursday 4 December 2025

On Thursday 4 December 2025, the sun will rise at 06:57 and will set at 16:12 on the beach(es) of Boston. The outside temperature will be a high of 40°F t and a low of 18°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 26.7mph km/h (with gusts up to 36mph). Wave height will be up to 4.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature1°C (33°F)1°C (34°F)1°C (33°F)1°C (35°F)4°C (39°F)3°C (37°F)-4°C (26°F)-7°C (20°F)
Perceived temperature-4°C (24°F)-4°C (25°F)-4°C (24°F)-4°C (25°F)-1°C (29°F)-3°C (26°F)-12°C (10°F)-16°C (3°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity72%78%80%77%64%61%72%58%
Barometric pressure1016 hPa1014 hPa1013 hPa1013 hPa1011 hPa1011 hPa1017 hPa1022 hPa
Cloud cover76%65%19%70%100%12%86%0%
Heat index1°C (33°F)1°C (34°F)1°C (33°F)1°C (35°F)4°C (39°F)3°C (37°F)-4°C (26°F)-7°C (20°F)
Dew point-4°C (25°F)-2°C (28°F)-2°C (28°F)-2°C (28°F)-2°C (28°F)-4°C (25°F)-8°C (18°F)-14°C (7°F)
Wind
Speed19km/h (12mph)22km/h (14mph)21km/h (13mph)23km/h (14mph)29km/h (18mph)36km/h (23mph)43km/h (27mph)39km/h (24mph)
Gusts28km/h (17mph)31km/h (19mph)31km/h (19mph)30km/h (18mph)39km/h (24mph)37km/h (23mph)58km/h (36mph)45km/h (28mph)
Direction 243°
WSW
235°
SW
243°
WSW
254°
WSW
262°
W
271°
W
314°
NW
311°
NW
Wind chill-4°C (24°F)-4°C (25°F)-4°C (24°F)-4°C (25°F)-1°C (29°F)-3°C (26°F)-12°C (10°F)-16°C (3°F)
Waves
Height0.7m (2.2ft)0.6m (2.1ft)0.6m (2.0ft)0.5m (1.8ft)0.6m (2.1ft)0.8m (2.8ft)1.2m (3.9ft)1.3m (4.2ft)
Direction 75°
ENE
80°
E
84°
E
86°
E
235°
SW
251°
WSW
282°
WNW
323°
NW
Period7.2 sec.6.5 sec.7.9 sec.7.8 sec.7.9 sec.7.8 sec.10.3 sec.10.3 sec.
Significant height0.8m (2.6ft)0.9m (3ft)0.9m (3ft)0.9m (3ft)1.2m (3.9ft)1.6m (5.2ft)2.2m (7.2ft)1.9m (6.2ft)
Sea water temperature
Water temperature9°C (48°F)9°C (48°F)9°C (48°F)9°C (48°F)9°C (48°F)9°C (48°F)9°C (48°F)9°C (48°F)

Sea weather on Friday 5 December 2025

On Friday 5 December 2025, the sun will rise at 06:58 and will set at 16:11 on the beach(es) of Boston. The outside temperature will be a high of 29°F t and a low of 16°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 20.5mph km/h (with gusts up to 23.6mph). Wave height will be up to 3.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature-8°C (17°F)-9°C (16°F)-9°C (16°F)-7°C (19°F)-5°C (23°F)-3°C (26°F)-3°C (27°F)-2°C (28°F)
Perceived temperature-18°C (0°F)-17°C (1°F)-15°C (5°F)-12°C (10°F)-11°C (13°F)-9°C (16°F)-8°C (17°F)-7°C (19°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity57%59%55%46%32%27%41%46%
Barometric pressure1024 hPa1026 hPa1027 hPa1028 hPa1025 hPa1022 hPa1021 hPa1020 hPa
Cloud cover4%0%5%2%4%3%17%9%
Heat index-8°C (17°F)-9°C (16°F)-9°C (16°F)-7°C (19°F)-5°C (23°F)-3°C (26°F)-3°C (27°F)-2°C (28°F)
Dew point-15°C (5°F)-15°C (4°F)-16°C (3°F)-17°C (1°F)-19°C (-2°F)-19°C (-3°F)-14°C (6°F)-12°C (10°F)
Wind
Speed33km/h (20mph)23km/h (15mph)13km/h (8mph)10km/h (6mph)15km/h (10mph)19km/h (12mph)17km/h (11mph)15km/h (9mph)
Gusts38km/h (23mph)28km/h (17mph)17km/h (10mph)12km/h (8mph)23km/h (14mph)32km/h (20mph)28km/h (17mph)22km/h (14mph)
Direction 321°
NW
319°
NW
308°
NW
251°
WSW
220°
SW
221°
SW
220°
SW
228°
SW
Wind chill-18°C (0°F)-17°C (1°F)-15°C (5°F)-12°C (10°F)-11°C (13°F)-9°C (16°F)-8°C (17°F)-7°C (19°F)
Waves
Height1.1m (3.5ft)0.8m (2.8ft)0.6m (1.9ft)0.3m (1.0ft)0.3m (0.9ft)0.3m (0.9ft)0.3m (1.1ft)0.3m (1.1ft)
Direction 325°
NW
334°
NNW
337°
NNW
96°
E
98°
E
100°
E
200°
SSW
104°
ESE
Period10.2 sec.10.1 sec.5.7 sec.4.5 sec.5.0 sec.4.9 sec.4.5 sec.4.3 sec.
Significant height1.5m (4.9ft)1.2m (3.9ft)0.7m (2.3ft)0.3m (1ft)0.4m (1.3ft)0.6m (2ft)0.7m (2.3ft)0.6m (2ft)
Sea water temperature
Water temperature9°C (48°F)9°C (48°F)9°C (48°F)9°C (48°F)9°C (48°F)9°C (48°F)9°C (48°F)9°C (48°F)

Sea weather on Saturday 6 December 2025

On Saturday 6 December 2025, the sun will rise at 06:59 and will set at 16:11 on the beach(es) of Boston. The outside temperature will be a high of 40°F t and a low of 29°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 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature-2°C (29°F)-1°C (29°F)-1°C (30°F)1°C (33°F)3°C (37°F)4°C (38°F)3°C (37°F)2°C (36°F)
Perceived temperature-6°C (21°F)-5°C (22°F)-4°C (24°F)-4°C (26°F)-1°C (30°F)-0°C (32°F)-1°C (30°F)-2°C (28°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity60%70%73%73%72%71%82%84%
Barometric pressure1019 hPa1018 hPa1016 hPa1016 hPa1015 hPa1013 hPa1013 hPa1013 hPa
Cloud cover9%39%69%79%100%100%100%100%
Heat index-2°C (29°F)-1°C (29°F)-1°C (30°F)1°C (33°F)3°C (37°F)4°C (38°F)3°C (37°F)2°C (36°F)
Dew point-8°C (17°F)-6°C (21°F)-5°C (23°F)-4°C (26°F)-2°C (29°F)-1°C (30°F)-0°C (32°F)-0°C (32°F)
Wind
Speed13km/h (8mph)11km/h (7mph)9km/h (5mph)15km/h (9mph)17km/h (11mph)17km/h (10mph)16km/h (10mph)18km/h (11mph)
Gusts19km/h (12mph)17km/h (11mph)14km/h (8mph)20km/h (12mph)23km/h (15mph)25km/h (16mph)28km/h (17mph)29km/h (18mph)
Direction 227°
SW
218°
SW
231°
SW
206°
SSW
208°
SSW
224°
SW
227°
SW
254°
WSW
Wind chill-6°C (21°F)-5°C (22°F)-4°C (24°F)-4°C (26°F)-1°C (30°F)-0°C (32°F)-1°C (30°F)-2°C (28°F)
Waves
Height0.3m (1.0ft)0.2m (0.8ft)0.2m (0.8ft)0.3m (1.0ft)0.4m (1.2ft)0.3m (1.0ft)0.2m (0.8ft)0.2m (0.7ft)
Direction 104°
ESE
102°
ESE
102°
ESE
177°
S
167°
SSE
105°
ESE
105°
ESE
105°
ESE
Period10.0 sec.10.1 sec.10.1 sec.9.8 sec.9.7 sec.9.6 sec.9.5 sec.2.9 sec.
Significant height0.5m (1.6ft)0.4m (1.3ft)0.5m (1.6ft)0.6m (2ft)0.6m (2ft)0.4m (1.3ft)0.4m (1.3ft)0.5m (1.6ft)
Sea water temperature
Water temperature9°C (48°F)9°C (48°F)9°C (48°F)9°C (48°F)9°C (48°F)9°C (48°F)9°C (48°F)9°C (48°F)

Sea weather on Sunday 7 December 2025

On Sunday 7 December 2025, the sun will rise at 07:00 and will set at 16:11 on the beach(es) of Boston. The outside temperature will be a high of 38°F t and a low of 34°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 10.6mph km/h (with gusts up to 17.4mph). Wave height will be up to 1ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature2°C (35°F)1°C (35°F)1°C (34°F)2°C (36°F)3°C (38°F)3°C (37°F)2°C (35°F)2°C (35°F)
Perceived temperature-2°C (28°F)-3°C (26°F)-4°C (26°F)-2°C (28°F)-0°C (32°F)0°C (33°F)2°C (35°F)1°C (33°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity80%80%79%71%56%61%72%71%
Barometric pressure1013 hPa1014 hPa1016 hPa1017 hPa1017 hPa1017 hPa1016 hPa1015 hPa
Cloud cover100%16%3%5%25%100%100%74%
Heat index2°C (35°F)1°C (35°F)1°C (34°F)2°C (36°F)3°C (38°F)3°C (37°F)2°C (35°F)2°C (35°F)
Dew point-1°C (30°F)-2°C (29°F)-2°C (28°F)-3°C (27°F)-5°C (23°F)-4°C (25°F)-3°C (27°F)-3°C (27°F)
Wind
Speed16km/h (10mph)17km/h (11mph)17km/h (11mph)17km/h (10mph)13km/h (8mph)9km/h (6mph)1km/h (1mph)5km/h (3mph)
Gusts25km/h (15mph)28km/h (17mph)27km/h (17mph)22km/h (14mph)18km/h (11mph)14km/h (9mph)2km/h (1mph)8km/h (5mph)
Direction 270°
W
297°
WNW
298°
WNW
314°
NW
325°
NW

N
148°
SSE
227°
SW
Wind chill-2°C (28°F)-3°C (26°F)-4°C (26°F)-2°C (28°F)-0°C (32°F)0°C (33°F)2°C (35°F)1°C (33°F)
Waves
Height0.2m (0.7ft)0.3m (1.0ft)0.3m (1.1ft)0.3m (1.1ft)0.2m (0.8ft)0.2m (0.8ft)0.2m (0.6ft)0.2m (0.6ft)
Direction 108°
ESE
314°
NW
320°
NW
329°
NNW
108°
ESE
112°
ESE
112°
ESE
113°
ESE
Period9.2 sec.9.1 sec.9.0 sec.9.0 sec.8.8 sec.8.6 sec.8.4 sec.8.3 sec.
Significant height0.5m (1.6ft)0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)0.4m (1.3ft)0.4m (1.3ft)0.3m (1ft)0.4m (1.3ft)
Sea water temperature
Water temperature9°C (48°F)9°C (48°F)9°C (48°F)9°C (48°F)9°C (48°F)9°C (48°F)9°C (48°F)9°C (48°F)

Sea weather on Monday 8 December 2025

On Monday 8 December 2025, the sun will rise at 07:01 and will set at 16:11 on the beach(es) of Boston. The outside temperature will be a high of 36°F t and a low of 13°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 29.8mph). Wave height will be up to 3.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature2°C (36°F)1°C (33°F)0°C (32°F)-3°C (26°F)-3°C (26°F)-6°C (22°F)-10°C (13°F)-8°C (17°F)
Perceived temperature1°C (33°F)1°C (33°F)-6°C (22°F)-12°C (11°F)-12°C (11°F)-15°C (4°F)-21°C (-7°F)-17°C (1°F)
Precipitation0in0in0.1in0in0in0in0in0in
Humidity70%91%98%95%91%72%71%74%
Barometric pressure1012 hPa1009 hPa1005 hPa1006 hPa1008 hPa1012 hPa1016 hPa1020 hPa
Cloud cover100%100%100%92%100%12%0%0%
Heat index2°C (36°F)1°C (33°F)0°C (32°F)-3°C (26°F)-3°C (26°F)-6°C (22°F)-10°C (13°F)-8°C (17°F)
Dew point-3°C (27°F)-1°C (31°F)-0°C (32°F)-4°C (25°F)-5°C (24°F)-10°C (14°F)-15°C (6°F)-12°C (11°F)
Wind
Speed5km/h (3mph)3km/h (2mph)24km/h (15mph)39km/h (24mph)36km/h (22mph)46km/h (28mph)41km/h (26mph)33km/h (20mph)
Gusts8km/h (5mph)4km/h (2mph)32km/h (20mph)48km/h (30mph)44km/h (28mph)46km/h (29mph)48km/h (30mph)43km/h (27mph)
Direction 270°
W
324°
NW
13°
NNE
339°
NNW
321°
NW
325°
NW
326°
NW
318°
NW
Wind chill1°C (33°F)1°C (33°F)-6°C (22°F)-12°C (11°F)-12°C (11°F)-15°C (4°F)-21°C (-7°F)-17°C (1°F)
Waves
Height0.3m (0.9ft)0.3m (1.1ft)0.7m (2.2ft)1.0m (3.4ft)1.2m (4.1ft)1.2m (4.0ft)1.1m (3.5ft)1.2m (3.8ft)
Direction 113°
ESE
112°
ESE
16°
NNE
15°
NNE

N

N
47°
NE
329°
NNW
Period8.4 sec.8.3 sec.8.3 sec.8.2 sec.8.1 sec.8.0 sec.6.4 sec.7.8 sec.
Significant height0.5m (1.6ft)0.6m (2ft)1.1m (3.6ft)1.4m (4.6ft)1.6m (5.2ft)1.4m (4.6ft)1.4m (4.6ft)1.3m (4.3ft)
Sea water temperature
Water temperature9°C (48°F)9°C (48°F)9°C (48°F)9°C (48°F)9°C (48°F)9°C (48°F)9°C (48°F)9°C (48°F)

Sea weather on Tuesday 9 December 2025

On Tuesday 9 December 2025, the sun will rise at 07:02 and will set at 16:11 on the beach(es) of Boston. The outside temperature will be a high of 32°F t and a low of 18°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 17.4mph km/h (with gusts up to 24.2mph). Wave height will be up to 3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature-8°C (17°F)-8°C (18°F)-8°C (18°F)-6°C (21°F)-3°C (26°F)-2°C (29°F)-2°C (28°F)-1°C (30°F)
Perceived temperature-17°C (1°F)-16°C (4°F)-15°C (5°F)-12°C (10°F)-9°C (15°F)-8°C (18°F)-9°C (16°F)-7°C (19°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity78%73%71%63%56%58%63%68%
Barometric pressure1021 hPa1022 hPa1023 hPa1024 hPa1022 hPa1020 hPa1019 hPa1018 hPa
Cloud cover14%14%22%29%34%43%29%74%
Heat index-8°C (17°F)-8°C (18°F)-8°C (18°F)-6°C (21°F)-3°C (26°F)-2°C (29°F)-2°C (28°F)-1°C (30°F)
Dew point-11°C (11°F)-12°C (11°F)-12°C (10°F)-12°C (10°F)-11°C (12°F)-9°C (16°F)-8°C (17°F)-6°C (21°F)
Wind
Speed28km/h (17mph)23km/h (15mph)18km/h (11mph)15km/h (9mph)19km/h (12mph)25km/h (15mph)28km/h (17mph)28km/h (17mph)
Gusts36km/h (23mph)31km/h (19mph)26km/h (16mph)20km/h (12mph)26km/h (16mph)37km/h (23mph)37km/h (23mph)39km/h (24mph)
Direction 308°
NW
304°
NW
290°
WNW
258°
WSW
233°
SW
220°
SW
223°
SW
225°
SW
Wind chill-17°C (1°F)-16°C (4°F)-15°C (5°F)-12°C (10°F)-9°C (15°F)-8°C (18°F)-9°C (16°F)-7°C (19°F)
Waves
Height0.9m (3.1ft)0.7m (2.2ft)0.5m (1.7ft)0.4m (1.3ft)0.5m (1.6ft)0.6m (2.0ft)0.8m (2.6ft)0.8m (2.6ft)
Direction 320°
NW
119°
ESE
227°
SW
271°
W
227°
SW
210°
SSW
220°
SW
258°
WSW
Period6.1 sec.5.4 sec.7.4 sec.8.3 sec.8.0 sec.7.7 sec.7.6 sec.5.1 sec.
Significant height1.0m (3.3ft)0.8m (2.6ft)0.7m (2.3ft)0.7m (2.3ft)0.9m (3ft)1.1m (3.6ft)1.2m (3.9ft)1.1m (3.6ft)
Sea water temperature
Water temperature9°C (48°F)9°C (48°F)9°C (48°F)9°C (48°F)9°C (48°F)9°C (48°F)9°C (48°F)9°C (48°F)

Sea weather on Wednesday 10 December 2025

On Wednesday 10 December 2025, the sun will rise at 07:03 and will set at 16:11 on the beach(es) of Boston. The outside temperature will be a high of 54°F t and a low of 36°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 29.2mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature1°C (34°F)3°C (37°F)4°C (38°F)5°C (41°F)6°C (43°F)7°C (45°F)10°C (49°F)11°C (52°F)
Perceived temperature-5°C (24°F)-3°C (27°F)-2°C (29°F)0°C (32°F)3°C (37°F)4°C (38°F)5°C (42°F)8°C (46°F)
Precipitation0in0in0in0in0in0.1in0.1in0in
Humidity73%77%78%79%87%93%92%93%
Barometric pressure1017 hPa1016 hPa1016 hPa1015 hPa1013 hPa1010 hPa1005 hPa1001 hPa
Cloud cover100%64%82%100%100%100%100%100%
Heat index1°C (34°F)3°C (37°F)4°C (38°F)5°C (41°F)6°C (43°F)7°C (45°F)10°C (49°F)11°C (52°F)
Dew point-3°C (27°F)-1°C (30°F)0°C (32°F)2°C (35°F)4°C (40°F)6°C (43°F)8°C (47°F)10°C (51°F)
Wind
Speed28km/h (17mph)28km/h (17mph)28km/h (17mph)28km/h (17mph)22km/h (14mph)26km/h (16mph)42km/h (26mph)39km/h (24mph)
Gusts41km/h (26mph)41km/h (26mph)44km/h (27mph)43km/h (27mph)36km/h (23mph)33km/h (21mph)47km/h (29mph)41km/h (26mph)
Direction 225°
SW
224°
SW
221°
SW
210°
SSW
198°
SSW
174°
S
167°
SSE
188°
S
Wind chill-5°C (24°F)-3°C (27°F)-2°C (29°F)0°C (32°F)3°C (37°F)4°C (38°F)5°C (42°F)8°C (46°F)
Waves
Height0.6m (2.0ft)0.5m (1.6ft)0.3m (1.0ft)0.2m (0.7ft)0.2m (0.7ft)0.3m (1.0ft)0.4m (1.3ft)0.6m (2.0ft)
Direction 261°
W
259°
W
156°
SSE
105°
ESE
102°
ESE
99°
E
145°
SE
164°
SSE
Period6.4 sec.8.5 sec.8.8 sec.8.7 sec.8.2 sec.8.6 sec.8.9 sec.8.6 sec.
Significant height0.9m (3ft)0.7m (2.3ft)0.5m (1.6ft)0.4m (1.3ft)0.5m (1.6ft)0.6m (2ft)0.8m (2.6ft)0.9m (3ft)
Sea water temperature
Water temperature9°C (48°F)9°C (48°F)9°C (48°F)9°C (48°F)9°C (48°F)9°C (48°F)9°C (48°F)9°C (48°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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