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

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

Discover the best moment to go to the beach in Seattle 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 Seattle. 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 202545°F to 49°Frecommended
Friday 5 December 202549°F to 50°Fdiscouraged
Saturday 6 December 202547°F to 50°Fdiscouraged
Sunday 7 December 202547°F to 50°Fdiscouraged
Monday 8 December 202549°F to 52°Fnot recommended
Tuesday 9 December 202545°F to 49°Fdiscouraged
Wednesday 10 December 202545°F to 50°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Seattle

Sea weather on Thursday 4 December 2025

On Thursday 4 December 2025, the sun will rise at 07:42 and will set at 16:19 on the beach(es) of Seattle. 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 12.4mph km/h (with gusts up to 18.6mph). Wave height will be up to 4.9ft 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 (47°F)9°C (47°F)9°C (49°F)
Perceived temperature5°C (42°F)5°C (41°F)5°C (41°F)5°C (41°F)5°C (41°F)6°C (42°F)7°C (45°F)9°C (49°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity92%92%94%96%96%95%94%96%
Barometric pressure1026 hPa1025 hPa1024 hPa1023 hPa1022 hPa1021 hPa1021 hPa1021 hPa
Cloud cover100%100%100%100%100%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 (47°F)9°C (47°F)9°C (49°F)
Dew point6°C (43°F)6°C (43°F)7°C (44°F)7°C (45°F)8°C (46°F)8°C (46°F)8°C (46°F)9°C (47°F)
Wind
Speed11km/h (7mph)13km/h (8mph)15km/h (10mph)18km/h (11mph)20km/h (12mph)17km/h (11mph)9km/h (6mph)4km/h (2mph)
Gusts16km/h (10mph)19km/h (12mph)24km/h (15mph)28km/h (17mph)30km/h (19mph)27km/h (17mph)16km/h (10mph)6km/h (4mph)
Direction 142°
SE
139°
SE
132°
SE
140°
SE
130°
SE
124°
ESE
127°
SE
215°
SW
Wind chill5°C (42°F)5°C (41°F)5°C (41°F)5°C (41°F)5°C (41°F)6°C (42°F)7°C (45°F)9°C (49°F)
Waves
Height1.3m (4.1ft)1.2m (4.1ft)1.2m (4.1ft)1.3m (4.2ft)1.4m (4.6ft)1.5m (5.1ft)1.5m (4.9ft)1.5m (4.8ft)
Direction 269°
W
270°
W
268°
W
268°
W
264°
W
264°
W
264°
W
264°
W
Period12.5 sec.12.4 sec.12.4 sec.12.2 sec.13.3 sec.12.3 sec.12.4 sec.12.0 sec.
Significant height0.6m (2ft)0.5m (1.6ft)0.7m (2.3ft)0.8m (2.6ft)0.8m (2.6ft)0.7m (2.3ft)0.1m (0.3ft)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 on Friday 5 December 2025

On Friday 5 December 2025, the sun will rise at 07:43 and will set at 16:19 on the beach(es) of Seattle. 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 19.9mph km/h (with gusts up to 30.5mph). Wave height will be up to 10.5ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature10°C (49°F)10°C (49°F)10°C (49°F)10°C (50°F)10°C (51°F)10°C (50°F)9°C (49°F)9°C (49°F)
Perceived temperature10°C (50°F)8°C (47°F)8°C (46°F)8°C (47°F)8°C (46°F)7°C (45°F)6°C (43°F)6°C (42°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity98%98%98%99%98%92%88%86%
Barometric pressure1020 hPa1018 hPa1016 hPa1013 hPa1013 hPa1011 hPa1012 hPa1012 hPa
Cloud cover100%100%100%100%100%98%100%100%
Heat index10°C (49°F)10°C (49°F)10°C (49°F)10°C (50°F)10°C (51°F)10°C (50°F)9°C (49°F)9°C (49°F)
Dew point9°C (48°F)9°C (48°F)9°C (49°F)10°C (50°F)10°C (50°F)9°C (48°F)7°C (45°F)7°C (45°F)
Wind
Speed3km/h (2mph)9km/h (5mph)13km/h (8mph)14km/h (9mph)23km/h (14mph)23km/h (14mph)23km/h (14mph)32km/h (20mph)
Gusts5km/h (3mph)14km/h (9mph)21km/h (13mph)22km/h (14mph)36km/h (23mph)35km/h (22mph)37km/h (23mph)49km/h (30mph)
Direction 204°
SSW
138°
SE
134°
SE
223°
SW
266°
W
268°
W
265°
W
261°
W
Wind chill10°C (50°F)8°C (47°F)8°C (46°F)8°C (47°F)8°C (46°F)7°C (45°F)6°C (43°F)6°C (42°F)
Waves
Height1.4m (4.7ft)1.4m (4.6ft)1.4m (4.5ft)1.4m (4.5ft)1.7m (5.7ft)2.1m (6.9ft)2.4m (7.9ft)3.2m (10.5ft)
Direction 265°
W
264°
W
265°
W
265°
W
264°
W
257°
WSW
260°
W
263°
W
Period11.7 sec.11.5 sec.11.2 sec.11.0 sec.10.9 sec.6.4 sec.13.8 sec.8.5 sec.
Significant height0.2m (0.7ft)0.3m (1ft)0.5m (1.6ft)0.6m (2ft)1.1m (3.6ft)1.0m (3.3ft)1.3m (4.3ft)1.7m (5.6ft)
Sea water temperature
Water temperature8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)

Sea weather on Saturday 6 December 2025

On Saturday 6 December 2025, the sun will rise at 07:44 and will set at 16:18 on the beach(es) of Seattle. 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 20.5mph km/h (with gusts up to 29.8mph). Wave height will be up to 13.1ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature9°C (49°F)9°C (49°F)9°C (48°F)9°C (48°F)10°C (49°F)10°C (49°F)8°C (47°F)8°C (47°F)
Perceived temperature5°C (42°F)6°C (42°F)6°C (42°F)6°C (43°F)7°C (45°F)8°C (47°F)8°C (47°F)6°C (43°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity87%87%89%88%85%88%92%91%
Barometric pressure1013 hPa1015 hPa1016 hPa1017 hPa1019 hPa1018 hPa1019 hPa1019 hPa
Cloud cover100%100%88%93%99%76%82%100%
Heat index9°C (49°F)9°C (49°F)9°C (48°F)9°C (48°F)10°C (49°F)10°C (49°F)8°C (47°F)8°C (47°F)
Dew point7°C (45°F)7°C (45°F)7°C (45°F)7°C (45°F)7°C (45°F)8°C (46°F)7°C (45°F)7°C (44°F)
Wind
Speed33km/h (20mph)31km/h (19mph)23km/h (14mph)19km/h (12mph)18km/h (11mph)10km/h (6mph)4km/h (2mph)12km/h (8mph)
Gusts48km/h (30mph)45km/h (28mph)35km/h (22mph)30km/h (18mph)29km/h (18mph)16km/h (10mph)7km/h (4mph)21km/h (13mph)
Direction 269°
W
277°
W
272°
W
242°
WSW
253°
WSW
246°
WSW
155°
SSE
120°
ESE
Wind chill5°C (42°F)6°C (42°F)6°C (42°F)6°C (43°F)7°C (45°F)8°C (47°F)8°C (47°F)6°C (43°F)
Waves
Height3.7m (12.2ft)4.0m (13.1ft)4.0m (13.2ft)3.6m (11.9ft)3.2m (10.5ft)2.8m (9.2ft)2.5m (8.2ft)2.2m (7.3ft)
Direction 269°
W
274°
W
277°
W
277°
W
276°
W
276°
W
275°
W
273°
W
Period9.8 sec.10.9 sec.12.1 sec.12.5 sec.12.3 sec.11.7 sec.11.2 sec.10.8 sec.
Significant height1.5m (4.9ft)1.4m (4.6ft)1.1m (3.6ft)0.7m (2.3ft)0.7m (2.3ft)0.2m (0.7ft)0.2m (0.7ft)0.3m (1ft)
Sea water temperature
Water temperature8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)

Sea weather on Sunday 7 December 2025

On Sunday 7 December 2025, the sun will rise at 07:45 and will set at 16:18 on the beach(es) of Seattle. The outside temperature will be a high of 50°F t and a low of 47°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 15.5mph km/h (with gusts up to 22.4mph). Wave height will be up to 6.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature8°C (47°F)9°C (48°F)9°C (49°F)9°C (49°F)10°C (49°F)10°C (50°F)9°C (49°F)9°C (48°F)
Perceived temperature6°C (43°F)7°C (45°F)7°C (44°F)6°C (43°F)7°C (44°F)9°C (48°F)7°C (44°F)9°C (48°F)
Precipitation0in0in0in0.1in0in0in0in0in
Humidity89%95%96%95%89%94%95%95%
Barometric pressure1019 hPa1018 hPa1017 hPa1016 hPa1015 hPa1018 hPa1020 hPa1022 hPa
Cloud cover100%100%100%100%100%66%63%64%
Heat index8°C (47°F)9°C (48°F)9°C (49°F)9°C (49°F)10°C (49°F)10°C (50°F)9°C (49°F)9°C (48°F)
Dew point7°C (44°F)8°C (46°F)9°C (48°F)9°C (48°F)8°C (46°F)9°C (48°F)8°C (47°F)8°C (47°F)
Wind
Speed12km/h (7mph)10km/h (6mph)19km/h (12mph)25km/h (15mph)22km/h (14mph)9km/h (6mph)15km/h (9mph)5km/h (3mph)
Gusts19km/h (12mph)16km/h (10mph)28km/h (18mph)36km/h (23mph)35km/h (22mph)15km/h (9mph)26km/h (16mph)8km/h (5mph)
Direction 117°
ESE
164°
SSE
149°
SSE
154°
SSE
144°
SE
271°
W
269°
W
155°
SSE
Wind chill6°C (43°F)7°C (45°F)7°C (44°F)6°C (43°F)7°C (44°F)9°C (48°F)7°C (44°F)9°C (48°F)
Waves
Height2.0m (6.7ft)1.9m (6.2ft)1.9m (6.1ft)1.8m (6.1ft)2.0m (6.5ft)2.1m (7.0ft)2.1m (6.8ft)2.1m (7.0ft)
Direction 273°
W
271°
W
272°
W
270°
W
270°
W
230°
SW
238°
WSW
247°
WSW
Period10.5 sec.10.3 sec.9.9 sec.10.1 sec.10.6 sec.14.6 sec.8.9 sec.7.5 sec.
Significant height0.5m (1.6ft)0.8m (2.6ft)0.8m (2.6ft)1.2m (3.9ft)1.2m (3.9ft)1.0m (3.3ft)0.6m (2ft)0.5m (1.6ft)
Sea water temperature
Water temperature8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)

Sea weather on Monday 8 December 2025

On Monday 8 December 2025, the sun will rise at 07:46 and will set at 16:18 on the beach(es) of Seattle. The outside temperature will be a high of 52°F t and a low of 49°F. Precipitation is in the forecast (0.6in 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 29.8mph). Wave height will be up to 12.5ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature9°C (48°F)9°C (48°F)10°C (49°F)10°C (50°F)11°C (51°F)11°C (52°F)11°C (52°F)10°C (49°F)
Perceived temperature7°C (44°F)6°C (43°F)7°C (44°F)7°C (44°F)8°C (46°F)8°C (46°F)7°C (45°F)6°C (43°F)
Precipitation0in0in0in0.1in0.1in0.2in0.1in0in
Humidity93%91%94%94%96%98%96%81%
Barometric pressure1023 hPa1022 hPa1020 hPa1016 hPa1015 hPa1010 hPa1011 hPa1015 hPa
Cloud cover86%89%77%100%100%100%100%100%
Heat index9°C (48°F)9°C (48°F)10°C (49°F)10°C (50°F)11°C (51°F)11°C (52°F)11°C (52°F)10°C (49°F)
Dew point8°C (46°F)7°C (45°F)9°C (48°F)9°C (48°F)10°C (50°F)11°C (51°F)10°C (51°F)7°C (44°F)
Wind
Speed13km/h (8mph)17km/h (11mph)19km/h (12mph)22km/h (14mph)27km/h (17mph)34km/h (21mph)42km/h (26mph)34km/h (21mph)
Gusts21km/h (13mph)29km/h (18mph)31km/h (19mph)35km/h (22mph)42km/h (26mph)36km/h (22mph)48km/h (30mph)35km/h (22mph)
Direction 129°
SE
128°
SE
139°
SE
136°
SE
212°
SSW
213°
SSW
270°
W
279°
W
Wind chill7°C (44°F)6°C (43°F)7°C (44°F)7°C (44°F)8°C (46°F)8°C (46°F)7°C (45°F)6°C (43°F)
Waves
Height2.3m (7.4ft)2.3m (7.4ft)2.3m (7.5ft)2.4m (7.8ft)2.6m (8.6ft)3.1m (10.0ft)3.8m (12.4ft)3.8m (12.6ft)
Direction 276°
W
275°
W
274°
W
274°
W
275°
W
275°
W
263°
W
267°
W
Period10.1 sec.10.3 sec.10.4 sec.10.6 sec.11.7 sec.11.5 sec.10.4 sec.8.3 sec.
Significant height0.2m (0.7ft)0.5m (1.6ft)1.0m (3.3ft)1.3m (4.3ft)1.7m (5.6ft)1.9m (6.2ft)1.5m (4.9ft)1.2m (3.9ft)
Sea water temperature
Water temperature8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)

Sea weather on Tuesday 9 December 2025

On Tuesday 9 December 2025, the sun will rise at 07:47 and will set at 16:18 on the beach(es) of Seattle. The outside temperature will be a high of 49°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. The sea will be generally calm, with a wind speed of up to 18.6mph km/h (with gusts up to 28mph). Wave height will be up to 12.1ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature9°C (48°F)9°C (47°F)8°C (47°F)9°C (47°F)9°C (48°F)9°C (47°F)8°C (46°F)7°C (45°F)
Perceived temperature6°C (42°F)5°C (42°F)6°C (42°F)7°C (44°F)8°C (46°F)7°C (44°F)5°C (40°F)3°C (37°F)
Precipitation0in0in0in0in0in0in0in0.1in
Humidity80%77%83%85%83%84%90%91%
Barometric pressure1018 hPa1020 hPa1021 hPa1022 hPa1022 hPa1021 hPa1018 hPa1012 hPa
Cloud cover100%61%74%87%100%100%100%100%
Heat index9°C (48°F)9°C (47°F)8°C (47°F)9°C (47°F)9°C (48°F)9°C (47°F)8°C (46°F)7°C (45°F)
Dew point6°C (42°F)5°C (41°F)6°C (42°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (42°F)
Wind
Speed26km/h (16mph)21km/h (13mph)17km/h (11mph)11km/h (7mph)9km/h (5mph)11km/h (7mph)18km/h (11mph)30km/h (19mph)
Gusts39km/h (24mph)33km/h (20mph)28km/h (17mph)18km/h (11mph)13km/h (8mph)18km/h (11mph)28km/h (18mph)45km/h (28mph)
Direction 280°
W
280°
W
269°
W
242°
WSW
192°
SSW
158°
SSE
148°
SSE
134°
SE
Wind chill6°C (42°F)5°C (42°F)6°C (42°F)7°C (44°F)8°C (46°F)7°C (44°F)5°C (40°F)3°C (37°F)
Waves
Height3.7m (12.1ft)3.5m (11.5ft)3.3m (10.8ft)3.2m (10.5ft)3.3m (10.8ft)3.4m (11.2ft)3.4m (11.2ft)3.3m (10.8ft)
Direction 268°
W
268°
W
270°
W
272°
W
277°
W
280°
W
279°
W
278°
W
Period10.3 sec.11.1 sec.11.5 sec.11.7 sec.13.3 sec.13.8 sec.13.6 sec.13.4 sec.
Significant height0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)0.3m (1ft)0.4m (1.3ft)0.2m (0.7ft)0.3m (1ft)
Sea water temperature
Water temperature8°C (47°F)8°C (47°F)10°C (51°F)10°C (51°F)10°C (51°F)10°C (51°F)10°C (51°F)10°C (51°F)

Sea weather on Wednesday 10 December 2025

On Wednesday 10 December 2025, the sun will rise at 07:48 and will set at 16:18 on the beach(es) of Seattle. The outside temperature will be a high of 50°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 29.2mph). Wave height will be up to 12.1ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature8°C (46°F)10°C (49°F)10°C (51°F)9°C (48°F)8°C (47°F)8°C (46°F)7°C (45°F)7°C (45°F)
Perceived temperature3°C (37°F)6°C (42°F)7°C (44°F)5°C (41°F)5°C (40°F)4°C (40°F)4°C (39°F)5°C (40°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity90%94%92%85%78%78%77%73%
Barometric pressure1006 hPa1003 hPa1004 hPa1008 hPa1012 hPa1014 hPa1016 hPa1018 hPa
Cloud cover100%100%100%54%46%45%31%56%
Heat index8°C (46°F)10°C (49°F)10°C (51°F)9°C (48°F)8°C (47°F)8°C (46°F)7°C (45°F)7°C (45°F)
Dew point6°C (43°F)9°C (48°F)9°C (48°F)7°C (44°F)5°C (40°F)4°C (40°F)3°C (38°F)3°C (37°F)
Wind
Speed37km/h (23mph)34km/h (21mph)34km/h (21mph)32km/h (20mph)28km/h (17mph)24km/h (15mph)20km/h (12mph)16km/h (10mph)
Gusts43km/h (27mph)36km/h (22mph)47km/h (29mph)47km/h (29mph)41km/h (26mph)39km/h (24mph)35km/h (21mph)28km/h (17mph)
Direction 142°
SE
220°
SW
273°
W
297°
WNW
300°
WNW
287°
WNW
284°
WNW
282°
WNW
Wind chill3°C (37°F)6°C (42°F)7°C (44°F)5°C (41°F)5°C (40°F)4°C (40°F)4°C (39°F)5°C (40°F)
Waves
Height3.1m (10.2ft)2.9m (9.5ft)2.7m (8.9ft)2.5m (8.2ft)2.9m (9.5ft)3.5m (11.5ft)3.7m (12.1ft)3.5m (11.5ft)
Direction 277°
W
276°
W
275°
W
274°
W
274°
W
260°
W
258°
WSW
264°
W
Period13.3 sec.13.3 sec.13.4 sec.13.5 sec.13.3 sec.10.3 sec.9.7 sec.10.8 sec.
Significant height0.4m (1.3ft)0.9m (3ft)1.0m (3.3ft)1.1m (3.6ft)1.3m (4.3ft)1.2m (3.9ft)0.8m (2.6ft)0.4m (1.3ft)
Sea water temperature
Water temperature10°C (51°F)10°C (51°F)10°C (51°F)10°C (51°F)10°C (51°F)10°C (51°F)10°C (51°F)10°C (51°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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