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

All the essential weather information for enjoying the beach in Portland 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 Portland over the next 7 days?

Discover the best moment to go to the beach in Portland 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 Portland. You can see full forecasts by clicking on the day you want to see in the table below.

Date Outside temp. Our opinion
Wednesday 28 January 202649°F to 52°Fdiscouraged
Thursday 29 January 202649°F to 52°Fdiscouraged
Friday 30 January 202650°F to 54°Fdiscouraged
Saturday 31 January 202652°F to 56°Frecommended
Sunday 1 February 202647°F to 52°Fdiscouraged
Monday 2 February 202647°F to 50°Fdiscouraged
Tuesday 3 February 202645°F to 54°Frecommended

Sea Weather: Your daily and hourly sea weather in Portland

Sea weather on Wednesday 28 January 2026

On Wednesday 28 January 2026, the sun will rise at 07:36 and will set at 17:12 on the beach(es) of Portland. The outside temperature will be a high of 52°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 24.9mph km/h (with gusts up to 29.8mph). Wave height will be up to 8.5ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature9°C (49°F)10°C (51°F)10°C (50°F)10°C (51°F)10°C (50°F)10°C (51°F)11°C (52°F)11°C (51°F)
Perceived temperature6°C (42°F)6°C (44°F)7°C (44°F)7°C (44°F)6°C (43°F)7°C (44°F)8°C (46°F)7°C (44°F)
Precipitation0in0in0in0in0in0in0in0.1in
Humidity87%86%84%84%91%87%79%84%
Barometric pressure1019 hPa1022 hPa1023 hPa1025 hPa1026 hPa1025 hPa1024 hPa1024 hPa
Cloud cover100%71%100%100%100%100%84%100%
Heat index9°C (49°F)10°C (51°F)10°C (50°F)10°C (51°F)10°C (50°F)10°C (51°F)11°C (52°F)11°C (51°F)
Dew point7°C (45°F)8°C (47°F)7°C (45°F)8°C (46°F)9°C (47°F)8°C (47°F)7°C (45°F)8°C (46°F)
Wind
Speed28km/h (17mph)40km/h (25mph)30km/h (19mph)35km/h (21mph)39km/h (24mph)36km/h (23mph)33km/h (21mph)37km/h (23mph)
Gusts44km/h (27mph)45km/h (28mph)48km/h (30mph)39km/h (24mph)40km/h (25mph)39km/h (24mph)35km/h (22mph)44km/h (27mph)
Direction 168°
SSE
203°
SSW
171°
S
175°
S
184°
S
172°
S
164°
SSE
180°
S
Wind chill6°C (42°F)6°C (44°F)7°C (44°F)7°C (44°F)6°C (43°F)7°C (44°F)8°C (46°F)7°C (44°F)
Waves
Height2.4m (7.9ft)2.6m (8.7ft)2.4m (7.8ft)2.2m (7.3ft)2.4m (7.8ft)2.4m (7.8ft)2.4m (7.7ft)2.5m (8.3ft)
Direction 229°
SW
233°
SW
236°
WSW
276°
W
276°
W
270°
W
275°
W
274°
W
Period15.1 sec.14.6 sec.10.4 sec.10.2 sec.13.3 sec.10.2 sec.10.2 sec.10.1 sec.
Significant height1.4m (4.6ft)1.8m (5.9ft)1.0m (3.3ft)0.9m (3ft)1.2m (3.9ft)1.3m (4.3ft)1.3m (4.3ft)1.6m (5.2ft)
Sea water temperature
Water temperature8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)

Sea weather on Thursday 29 January 2026

On Thursday 29 January 2026, the sun will rise at 07:35 and will set at 17:13 on the beach(es) of Portland. The outside temperature will be a high of 52°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 21.8mph km/h (with gusts up to 24.9mph). Wave height will be up to 12.8ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature10°C (50°F)11°C (52°F)11°C (52°F)11°C (51°F)11°C (52°F)11°C (52°F)11°C (51°F)10°C (50°F)
Perceived temperature7°C (45°F)8°C (46°F)8°C (46°F)7°C (45°F)9°C (48°F)9°C (48°F)8°C (47°F)7°C (45°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity88%78%82%86%80%82%79%87%
Barometric pressure1023 hPa1023 hPa1023 hPa1024 hPa1024 hPa1024 hPa1024 hPa1022 hPa
Cloud cover100%100%100%100%100%100%64%74%
Heat index10°C (50°F)11°C (52°F)11°C (52°F)11°C (51°F)11°C (52°F)11°C (52°F)11°C (51°F)10°C (50°F)
Dew point8°C (47°F)8°C (46°F)8°C (46°F)9°C (47°F)8°C (46°F)8°C (46°F)7°C (45°F)8°C (46°F)
Wind
Speed23km/h (14mph)35km/h (22mph)34km/h (21mph)33km/h (20mph)22km/h (14mph)15km/h (9mph)17km/h (11mph)17km/h (11mph)
Gusts39km/h (24mph)40km/h (25mph)35km/h (22mph)35km/h (22mph)39km/h (24mph)31km/h (19mph)35km/h (22mph)18km/h (11mph)
Direction 145°
SE
177°
S
174°
S
171°
S
164°
SSE
142°
SE
151°
SSE
107°
ESE
Wind chill7°C (45°F)8°C (46°F)8°C (46°F)7°C (45°F)9°C (48°F)9°C (48°F)8°C (47°F)7°C (45°F)
Waves
Height2.8m (9.3ft)3.3m (10.8ft)3.7m (12.0ft)3.9m (12.7ft)3.7m (12.2ft)3.5m (11.4ft)3.2m (10.5ft)2.9m (9.6ft)
Direction 274°
W
273°
W
271°
W
270°
W
270°
W
268°
W
268°
W
268°
W
Period15.6 sec.15.1 sec.14.5 sec.14.3 sec.14.1 sec.13.7 sec.13.5 sec.13.4 sec.
Significant height0.9m (3ft)0.8m (2.6ft)1.1m (3.6ft)1.1m (3.6ft)0.9m (3ft)0.5m (1.6ft)0.4m (1.3ft)0.3m (1ft)
Sea water temperature
Water temperature8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)

Sea weather on Friday 30 January 2026

On Friday 30 January 2026, the sun will rise at 07:34 and will set at 17:15 on the beach(es) of Portland. The outside temperature will be a high of 54°F t and a low of 50°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 24.9mph). Wave height will be up to 9.5ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature10°C (49°F)10°C (50°F)12°C (53°F)11°C (52°F)10°C (51°F)10°C (51°F)10°C (50°F)11°C (51°F)
Perceived temperature8°C (46°F)8°C (47°F)9°C (47°F)7°C (45°F)7°C (44°F)8°C (46°F)9°C (48°F)9°C (49°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity85%85%68%83%93%90%91%89%
Barometric pressure1022 hPa1021 hPa1021 hPa1022 hPa1024 hPa1024 hPa1024 hPa1023 hPa
Cloud cover81%67%89%100%100%100%100%100%
Heat index10°C (49°F)10°C (50°F)12°C (53°F)11°C (52°F)10°C (51°F)10°C (51°F)10°C (50°F)11°C (51°F)
Dew point7°C (45°F)8°C (46°F)6°C (43°F)8°C (47°F)9°C (49°F)9°C (48°F)9°C (48°F)9°C (48°F)
Wind
Speed13km/h (8mph)14km/h (9mph)36km/h (22mph)37km/h (23mph)34km/h (21mph)21km/h (13mph)9km/h (6mph)11km/h (7mph)
Gusts28km/h (17mph)29km/h (18mph)39km/h (24mph)40km/h (25mph)39km/h (24mph)34km/h (21mph)16km/h (10mph)22km/h (13mph)
Direction 123°
ESE
120°
ESE
174°
S
169°
SSE
186°
S
188°
S
136°
SE
112°
ESE
Wind chill8°C (46°F)8°C (47°F)9°C (47°F)7°C (45°F)7°C (44°F)8°C (46°F)9°C (48°F)9°C (49°F)
Waves
Height2.7m (8.8ft)2.4m (8.0ft)2.3m (7.5ft)2.5m (8.2ft)2.8m (9.1ft)2.9m (9.6ft)2.8m (9.2ft)2.5m (8.4ft)
Direction 266°
W
266°
W
266°
W
265°
W
264°
W
261°
W
261°
W
260°
W
Period13.1 sec.12.8 sec.12.6 sec.12.5 sec.12.3 sec.12.0 sec.11.9 sec.11.8 sec.
Significant height0.4m (1.3ft)0.3m (1ft)0.5m (1.6ft)1.2m (3.9ft)1.1m (3.6ft)0.7m (2.3ft)0.3m (1ft)0.3m (1ft)
Sea water temperature
Water temperature8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)

Sea weather on Saturday 31 January 2026

On Saturday 31 January 2026, the sun will rise at 07:33 and will set at 17:16 on the beach(es) of Portland. The outside temperature will be a high of 56°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 10.6mph km/h (with gusts up to 18mph). Wave height will be up to 7.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature11°C (51°F)11°C (51°F)11°C (52°F)11°C (52°F)12°C (54°F)13°C (56°F)12°C (54°F)11°C (52°F)
Perceived temperature9°C (48°F)9°C (49°F)9°C (49°F)9°C (49°F)12°C (53°F)13°C (55°F)11°C (51°F)10°C (50°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity89%88%90%88%81%75%74%74%
Barometric pressure1022 hPa1020 hPa1019 hPa1018 hPa1018 hPa1016 hPa1015 hPa1015 hPa
Cloud cover92%100%100%52%89%100%100%64%
Heat index11°C (51°F)11°C (51°F)11°C (52°F)11°C (52°F)12°C (54°F)13°C (56°F)12°C (54°F)11°C (52°F)
Dew point9°C (48°F)9°C (48°F)9°C (49°F)9°C (48°F)9°C (49°F)9°C (48°F)8°C (46°F)7°C (44°F)
Wind
Speed14km/h (9mph)11km/h (7mph)12km/h (8mph)12km/h (8mph)8km/h (5mph)10km/h (6mph)17km/h (11mph)12km/h (7mph)
Gusts29km/h (18mph)23km/h (14mph)26km/h (16mph)26km/h (16mph)17km/h (11mph)22km/h (14mph)17km/h (11mph)25km/h (16mph)
Direction 94°
E
97°
E
105°
ESE
129°
SE
138°
SE
167°
SSE
132°
SE
125°
SE
Wind chill9°C (48°F)9°C (49°F)9°C (49°F)9°C (49°F)12°C (53°F)13°C (55°F)11°C (51°F)10°C (50°F)
Waves
Height2.4m (7.8ft)2.2m (7.3ft)2.2m (7.1ft)2.1m (6.9ft)2.0m (6.7ft)2.0m (6.7ft)2.1m (6.9ft)2.3m (7.5ft)
Direction 259°
WSW
257°
WSW
258°
WSW
257°
WSW
273°
W
273°
W
274°
W
273°
W
Period11.7 sec.11.5 sec.11.3 sec.11.2 sec.11.1 sec.10.9 sec.15.6 sec.15.2 sec.
Significant height0.2m (0.7ft)0.6m (2ft)0.9m (3ft)0.9m (3ft)0.2m (0.7ft)0.3m (1ft)0.2m (0.7ft)0.2m (0.7ft)
Sea water temperature
Water temperature8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)

Sea weather on Sunday 1 February 2026

On Sunday 1 February 2026, the sun will rise at 07:32 and will set at 17:18 on the beach(es) of Portland. The outside temperature will be a high of 52°F t and a low of 47°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 20.5mph km/h (with gusts up to 31.7mph). Wave height will be up to 9.5ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature11°C (52°F)10°C (51°F)10°C (51°F)11°C (51°F)10°C (50°F)9°C (49°F)9°C (47°F)8°C (46°F)
Perceived temperature10°C (50°F)7°C (45°F)7°C (44°F)8°C (46°F)8°C (46°F)7°C (45°F)7°C (44°F)6°C (43°F)
Precipitation0in0in0.1in0in0in0in0in0in
Humidity74%86%95%91%87%84%87%86%
Barometric pressure1014 hPa1015 hPa1015 hPa1017 hPa1020 hPa1021 hPa1022 hPa1023 hPa
Cloud cover63%100%100%72%51%17%17%45%
Heat index11°C (52°F)10°C (51°F)10°C (51°F)11°C (51°F)10°C (50°F)9°C (49°F)9°C (47°F)8°C (46°F)
Dew point7°C (44°F)8°C (47°F)10°C (49°F)9°C (49°F)8°C (46°F)7°C (44°F)7°C (44°F)6°C (42°F)
Wind
Speed12km/h (8mph)30km/h (19mph)33km/h (21mph)29km/h (18mph)15km/h (10mph)13km/h (8mph)10km/h (6mph)12km/h (7mph)
Gusts26km/h (16mph)46km/h (29mph)51km/h (32mph)47km/h (29mph)25km/h (15mph)23km/h (14mph)19km/h (12mph)21km/h (13mph)
Direction 125°
SE
175°
S
182°
S
191°
SSW
216°
SW
215°
SW
176°
S
124°
SE
Wind chill10°C (50°F)7°C (45°F)7°C (44°F)8°C (46°F)8°C (46°F)7°C (45°F)7°C (44°F)6°C (43°F)
Waves
Height2.4m (8.0ft)2.4m (8.0ft)2.4m (7.9ft)2.4m (7.8ft)2.7m (8.7ft)2.9m (9.4ft)2.9m (9.4ft)2.9m (9.5ft)
Direction 270°
W
263°
W
258°
WSW
275°
W
272°
W
268°
W
267°
W
267°
W
Period14.5 sec.12.5 sec.15.2 sec.15.3 sec.15.7 sec.15.5 sec.15.1 sec.14.7 sec.
Significant height0.3m (1ft)0.3m (1ft)0.4m (1.3ft)0.4m (1.3ft)1.1m (3.6ft)0.7m (2.3ft)0.6m (2ft)0.5m (1.6ft)
Sea water temperature
Water temperature8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)

Sea weather on Monday 2 February 2026

On Monday 2 February 2026, the sun will rise at 07:31 and will set at 17:19 on the beach(es) of Portland. The outside temperature will be a high of 50°F t and a low of 47°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 19.9mph km/h (with gusts up to 27.3mph). Wave height will be up to 9.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature8°C (46°F)8°C (46°F)8°C (47°F)9°C (48°F)9°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)
Perceived temperature6°C (42°F)5°C (42°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)7°C (44°F)
Precipitation0in0in0in0.1in0in0in0in0in
Humidity81%78%79%87%85%86%92%93%
Barometric pressure1023 hPa1023 hPa1022 hPa1023 hPa1023 hPa1023 hPa1024 hPa1026 hPa
Cloud cover46%80%92%96%100%100%100%77%
Heat index8°C (46°F)8°C (46°F)8°C (47°F)9°C (48°F)9°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)
Dew point5°C (40°F)4°C (40°F)5°C (41°F)7°C (44°F)7°C (44°F)7°C (45°F)8°C (47°F)9°C (47°F)
Wind
Speed12km/h (7mph)12km/h (8mph)13km/h (8mph)20km/h (12mph)26km/h (16mph)32km/h (20mph)32km/h (20mph)22km/h (14mph)
Gusts22km/h (13mph)23km/h (15mph)24km/h (15mph)31km/h (19mph)41km/h (26mph)40km/h (25mph)44km/h (28mph)35km/h (22mph)
Direction 114°
ESE
114°
ESE
124°
SE
150°
SSE
160°
SSE
173°
S
184°
S
171°
S
Wind chill6°C (42°F)5°C (42°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)7°C (44°F)
Waves
Height2.8m (9.3ft)2.8m (9.2ft)2.7m (8.9ft)2.6m (8.5ft)2.4m (7.9ft)2.3m (7.5ft)2.2m (7.2ft)2.1m (6.9ft)
Direction 267°
W
267°
W
267°
W
267°
W
268°
W
269°
W
270°
W
270°
W
Period14.7 sec.14.6 sec.14.3 sec.14.0 sec.13.8 sec.13.5 sec.13.3 sec.13.0 sec.
Significant height0.3m (1ft)0.3m (1ft)0.2m (0.7ft)0.2m (0.7ft)0.3m (1ft)0.3m (1ft)0.3m (1ft)0.2m (0.7ft)
Sea water temperature
Water temperature8°C (46°F)8°C (46°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)

Sea weather on Tuesday 3 February 2026

On Tuesday 3 February 2026, the sun will rise at 07:29 and will set at 17:21 on the beach(es) of Portland. The outside temperature will be a high of 54°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 9.3mph km/h (with gusts up to 19.3mph). Wave height will be up to 6.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)11°C (52°F)12°C (53°F)8°C (47°F)8°C (46°F)
Perceived temperature8°C (46°F)9°C (49°F)9°C (48°F)9°C (48°F)10°C (51°F)11°C (51°F)6°C (43°F)5°C (42°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity91%86%85%84%76%71%79%80%
Barometric pressure1027 hPa1027 hPa1028 hPa1029 hPa1028 hPa1026 hPa1025 hPa1025 hPa
Cloud cover61%76%68%24%7%7%4%1%
Heat index10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)11°C (52°F)12°C (53°F)8°C (47°F)8°C (46°F)
Dew point8°C (47°F)8°C (46°F)7°C (45°F)7°C (45°F)7°C (44°F)6°C (44°F)5°C (40°F)5°C (40°F)
Wind
Speed14km/h (9mph)8km/h (5mph)8km/h (5mph)9km/h (6mph)8km/h (5mph)8km/h (5mph)12km/h (8mph)15km/h (9mph)
Gusts22km/h (14mph)14km/h (9mph)14km/h (9mph)17km/h (11mph)15km/h (9mph)17km/h (11mph)26km/h (16mph)31km/h (19mph)
Direction 146°
SSE
145°
SE
104°
ESE
78°
ENE
54°
NE
41°
NE
68°
ENE
82°
E
Wind chill8°C (46°F)9°C (49°F)9°C (48°F)9°C (48°F)10°C (51°F)11°C (51°F)6°C (43°F)5°C (42°F)
Waves
Height2.0m (6.6ft)1.8m (5.9ft)1.8m (5.9ft)1.8m (5.9ft)1.8m (5.9ft)1.8m (5.9ft)1.7m (5.6ft)1.6m (5.2ft)
Direction 270°
W
271°
W
273°
W
275°
W
275°
W
275°
W
275°
W
272°
W
Period12.7 sec.12.5 sec.12.5 sec.12.3 sec.12.0 sec.11.7 sec.11.5 sec.11.3 sec.
Significant height0.2m (0.7ft)0.1m (0.3ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)
Sea water temperature
Water temperature10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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