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
Saturday 13 December 202549°F to 54°Fdiscouraged
Sunday 14 December 202550°F to 52°Fdiscouraged
Monday 15 December 202547°F to 54°Fnot recommended
Tuesday 16 December 202545°F to 52°Fnot recommended
Wednesday 17 December 202545°F to 49°Fnot recommended
Thursday 18 December 202541°F to 49°Fnot recommended
Friday 19 December 202541°F to 43°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Seattle

Sea weather on Saturday 13 December 2025

On Saturday 13 December 2025, the sun will rise at 07:51 and will set at 16:18 on the beach(es) of Seattle. The outside temperature will be a high of 54°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 15.5mph km/h (with gusts up to 19.3mph). Wave height will be up to 5.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature11°C (51°F)10°C (50°F)9°C (49°F)10°C (49°F)12°C (53°F)12°C (53°F)11°C (51°F)10°C (50°F)
Perceived temperature9°C (49°F)9°C (48°F)8°C (46°F)8°C (46°F)11°C (51°F)10°C (50°F)8°C (47°F)7°C (45°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity95%94%94%92%85%87%85%86%
Barometric pressure1018 hPa1017 hPa1016 hPa1016 hPa1015 hPa1012 hPa1012 hPa1013 hPa
Cloud cover81%88%66%29%87%100%57%84%
Heat index11°C (51°F)10°C (50°F)9°C (49°F)10°C (49°F)12°C (53°F)12°C (53°F)11°C (51°F)10°C (50°F)
Dew point10°C (50°F)9°C (49°F)8°C (47°F)9°C (47°F)9°C (48°F)10°C (50°F)8°C (47°F)8°C (46°F)
Wind
Speed11km/h (7mph)10km/h (6mph)12km/h (7mph)13km/h (8mph)8km/h (5mph)15km/h (9mph)21km/h (13mph)25km/h (15mph)
Gusts19km/h (12mph)19km/h (12mph)22km/h (14mph)20km/h (13mph)13km/h (8mph)30km/h (19mph)28km/h (17mph)31km/h (19mph)
Direction 158°
SSE
138°
SE
115°
ESE
126°
SE
142°
SE
148°
SSE
146°
SSE
130°
SE
Wind chill9°C (49°F)9°C (48°F)8°C (46°F)8°C (46°F)11°C (51°F)10°C (50°F)8°C (47°F)7°C (45°F)
Waves
Height1.3m (4.1ft)1.2m (4.0ft)1.2m (3.8ft)1.2m (3.9ft)1.3m (4.3ft)1.5m (4.9ft)1.6m (5.3ft)1.7m (5.7ft)
Direction 269°
W
269°
W
268°
W
266°
W
255°
WSW
253°
WSW
252°
WSW
249°
WSW
Period11.6 sec.11.5 sec.11.0 sec.10.8 sec.14.2 sec.13.4 sec.12.7 sec.12.3 sec.
Significant height0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.4m (1.3ft)0.4m (1.3ft)0.7m (2.3ft)0.8m (2.6ft)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 Sunday 14 December 2025

On Sunday 14 December 2025, the sun will rise at 07:51 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 50°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 19.9mph km/h (with gusts up to 28.6mph). Wave height will be up to 7.5ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature10°C (51°F)11°C (51°F)11°C (51°F)10°C (51°F)10°C (51°F)11°C (51°F)11°C (52°F)11°C (52°F)
Perceived temperature7°C (45°F)8°C (46°F)8°C (46°F)7°C (45°F)7°C (45°F)8°C (46°F)8°C (46°F)8°C (46°F)
Precipitation0in0in0in0in0in0in0in0.1in
Humidity90%95%96%96%95%92%89%89%
Barometric pressure1013 hPa1014 hPa1014 hPa1016 hPa1016 hPa1015 hPa1014 hPa1012 hPa
Cloud cover100%100%100%100%100%100%100%100%
Heat index10°C (51°F)11°C (51°F)11°C (51°F)10°C (51°F)10°C (51°F)11°C (51°F)11°C (52°F)11°C (52°F)
Dew point9°C (48°F)10°C (49°F)10°C (50°F)10°C (50°F)9°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)
Wind
Speed28km/h (17mph)20km/h (12mph)22km/h (14mph)27km/h (17mph)28km/h (17mph)26km/h (16mph)30km/h (19mph)32km/h (20mph)
Gusts46km/h (28mph)31km/h (19mph)35km/h (22mph)41km/h (26mph)44km/h (27mph)43km/h (26mph)33km/h (21mph)34km/h (21mph)
Direction 140°
SE
155°
SSE
134°
SE
152°
SSE
141°
SE
152°
SSE
146°
SSE
143°
SE
Wind chill7°C (45°F)8°C (46°F)8°C (46°F)7°C (45°F)7°C (45°F)8°C (46°F)8°C (46°F)8°C (46°F)
Waves
Height1.9m (6.3ft)2.0m (6.7ft)2.1m (6.8ft)2.1m (6.9ft)2.1m (7.0ft)2.1m (6.9ft)2.2m (7.3ft)2.3m (7.6ft)
Direction 249°
WSW
247°
WSW
247°
WSW
245°
WSW
243°
WSW
243°
WSW
246°
WSW
248°
WSW
Period11.8 sec.11.5 sec.11.1 sec.10.9 sec.10.8 sec.10.6 sec.10.4 sec.12.3 sec.
Significant height1.2m (3.9ft)0.9m (3ft)1.2m (3.9ft)1.2m (3.9ft)1.2m (3.9ft)1.1m (3.6ft)1.2m (3.9ft)1.8m (5.9ft)
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 Monday 15 December 2025

On Monday 15 December 2025, the sun will rise at 07:52 and will set at 16:19 on the beach(es) of Seattle. The outside temperature will be a high of 54°F t and a low of 47°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 28.6mph km/h (with gusts up to 31.1mph). Wave height will be up to 14.1ft 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)12°C (53°F)12°C (53°F)10°C (50°F)8°C (47°F)8°C (47°F)
Perceived temperature7°C (45°F)7°C (44°F)7°C (45°F)9°C (47°F)8°C (47°F)7°C (44°F)6°C (43°F)6°C (43°F)
Precipitation0.1in0.2in0.1in0in0.1in0in0in0in
Humidity91%94%97%98%97%88%84%81%
Barometric pressure1011 hPa1009 hPa1008 hPa1009 hPa1008 hPa1012 hPa1015 hPa1017 hPa
Cloud cover100%100%100%100%100%72%93%100%
Heat index11°C (51°F)11°C (51°F)11°C (52°F)12°C (53°F)12°C (53°F)10°C (50°F)8°C (47°F)8°C (47°F)
Dew point9°C (49°F)10°C (50°F)11°C (51°F)12°C (53°F)11°C (53°F)8°C (47°F)6°C (42°F)5°C (41°F)
Wind
Speed39km/h (24mph)46km/h (28mph)42km/h (26mph)36km/h (23mph)43km/h (27mph)31km/h (19mph)15km/h (10mph)15km/h (9mph)
Gusts39km/h (24mph)46km/h (28mph)50km/h (31mph)39km/h (24mph)45km/h (28mph)33km/h (20mph)26km/h (16mph)24km/h (15mph)
Direction 152°
SSE
155°
SSE
176°
S
178°
S
184°
S
261°
W
264°
W
242°
WSW
Wind chill7°C (45°F)7°C (44°F)7°C (45°F)9°C (47°F)8°C (47°F)7°C (44°F)6°C (43°F)6°C (43°F)
Waves
Height2.8m (9.2ft)3.2m (10.6ft)3.7m (12.2ft)4.0m (13.2ft)4.3m (14.0ft)4.3m (14.3ft)4.1m (13.5ft)3.8m (12.5ft)
Direction 203°
SSW
215°
SW
219°
SW
228°
SW
242°
WSW
248°
WSW
249°
WSW
248°
WSW
Period9.7 sec.10.0 sec.17.8 sec.10.9 sec.10.4 sec.11.3 sec.12.0 sec.12.1 sec.
Significant height1.9m (6.2ft)2.3m (7.5ft)2.2m (7.2ft)2.0m (6.6ft)1.7m (5.6ft)1.1m (3.6ft)0.7m (2.3ft)0.6m (2ft)
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 16 December 2025

On Tuesday 16 December 2025, the sun will rise at 07:53 and will set at 16:19 on the beach(es) of Seattle. The outside temperature will be a high of 52°F t and a low of 45°F. Precipitation is in the forecast (0.5in 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 30.5mph km/h (with gusts up to 32.3mph). 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)9°C (47°F)8°C (46°F)8°C (46°F)10°C (51°F)11°C (51°F)11°C (51°F)9°C (49°F)
Perceived temperature6°C (43°F)6°C (43°F)5°C (41°F)5°C (41°F)8°C (46°F)7°C (45°F)6°C (43°F)5°C (41°F)
Precipitation0in0in0.1in0in0in0in0.1in0.1in
Humidity85%87%94%93%90%93%96%94%
Barometric pressure1018 hPa1017 hPa1014 hPa1011 hPa1007 hPa1002 hPa995 hPa992 hPa
Cloud cover72%100%100%100%100%100%100%100%
Heat index8°C (46°F)9°C (47°F)8°C (46°F)8°C (46°F)10°C (51°F)11°C (51°F)11°C (51°F)9°C (49°F)
Dew point5°C (42°F)6°C (44°F)7°C (45°F)7°C (44°F)9°C (48°F)10°C (49°F)10°C (50°F)8°C (47°F)
Wind
Speed11km/h (7mph)13km/h (8mph)18km/h (11mph)18km/h (11mph)24km/h (15mph)37km/h (23mph)49km/h (31mph)36km/h (22mph)
Gusts17km/h (11mph)21km/h (13mph)26km/h (16mph)29km/h (18mph)30km/h (19mph)45km/h (28mph)50km/h (31mph)52km/h (32mph)
Direction 157°
SSE
170°
S
125°
SE
123°
ESE
181°
S
182°
S
180°
S
249°
WSW
Wind chill6°C (43°F)6°C (43°F)5°C (41°F)5°C (41°F)8°C (46°F)7°C (45°F)6°C (43°F)5°C (41°F)
Waves
Height3.5m (11.5ft)3.2m (10.6ft)3.0m (9.7ft)2.9m (9.4ft)2.7m (9.0ft)3.0m (9.9ft)3.2m (10.6ft)3.7m (12.3ft)
Direction 246°
WSW
245°
WSW
244°
WSW
244°
WSW
244°
WSW
247°
WSW
250°
WSW
235°
SW
Period12.0 sec.11.9 sec.11.8 sec.11.8 sec.11.7 sec.11.7 sec.12.6 sec.8.6 sec.
Significant height0.4m (1.3ft)1.0m (3.3ft)1.1m (3.6ft)0.4m (1.3ft)0.8m (2.6ft)1.4m (4.6ft)2.0m (6.6ft)1.9m (6.2ft)
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 Wednesday 17 December 2025

On Wednesday 17 December 2025, the sun will rise at 07:53 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 (0.2in 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 35.4mph). Wave height will be up to 16.1ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature8°C (46°F)7°C (45°F)7°C (45°F)7°C (45°F)8°C (46°F)8°C (46°F)8°C (46°F)9°C (47°F)
Perceived temperature3°C (37°F)2°C (35°F)2°C (36°F)3°C (37°F)3°C (37°F)3°C (38°F)4°C (39°F)5°C (40°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity81%72%73%76%80%84%84%83%
Barometric pressure997 hPa1006 hPa1009 hPa1012 hPa1013 hPa1012 hPa1011 hPa1010 hPa
Cloud cover100%75%83%100%100%100%100%100%
Heat index8°C (46°F)7°C (45°F)7°C (45°F)7°C (45°F)8°C (46°F)8°C (46°F)8°C (46°F)9°C (47°F)
Dew point5°C (40°F)2°C (36°F)3°C (37°F)3°C (38°F)4°C (40°F)5°C (41°F)5°C (42°F)6°C (42°F)
Wind
Speed41km/h (26mph)42km/h (26mph)37km/h (23mph)35km/h (21mph)34km/h (21mph)34km/h (21mph)29km/h (18mph)31km/h (19mph)
Gusts57km/h (36mph)49km/h (30mph)41km/h (26mph)38km/h (24mph)50km/h (31mph)39km/h (24mph)45km/h (28mph)47km/h (29mph)
Direction 270°
W
281°
WNW
264°
W
254°
WSW
247°
WSW
240°
WSW
226°
SW
208°
SSW
Wind chill3°C (37°F)2°C (35°F)2°C (36°F)3°C (37°F)3°C (37°F)3°C (38°F)4°C (39°F)5°C (40°F)
Waves
Height4.6m (15.1ft)4.9m (16.1ft)4.6m (15.1ft)4.3m (14.2ft)4.1m (13.4ft)3.9m (13.0ft)4.0m (13.1ft)3.9m (12.8ft)
Direction 252°
WSW
259°
WSW
257°
WSW
256°
WSW
256°
WSW
256°
WSW
264°
W
266°
W
Period10.3 sec.10.5 sec.10.7 sec.10.8 sec.10.9 sec.11.0 sec.11.8 sec.11.9 sec.
Significant height2.2m (7.2ft)2.2m (7.2ft)1.7m (5.6ft)1.6m (5.2ft)1.1m (3.6ft)1.3m (4.3ft)0.7m (2.3ft)0.7m (2.3ft)
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 Thursday 18 December 2025

On Thursday 18 December 2025, the sun will rise at 07:54 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 41°F. Precipitation is in the forecast (0.5in 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 31.1mph). Wave height will be up to 12.5ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature9°C (47°F)9°C (48°F)9°C (48°F)9°C (48°F)7°C (44°F)5°C (42°F)6°C (42°F)6°C (43°F)
Perceived temperature4°C (40°F)4°C (40°F)5°C (40°F)4°C (39°F)4°C (39°F)2°C (35°F)1°C (34°F)2°C (35°F)
Precipitation0in0in0.1in0.1in0.1in0.1in0in0in
Humidity91%92%94%93%93%92%76%71%
Barometric pressure1009 hPa1006 hPa1002 hPa999 hPa996 hPa997 hPa1000 hPa1003 hPa
Cloud cover100%100%100%100%100%100%61%39%
Heat index9°C (47°F)9°C (48°F)9°C (48°F)9°C (48°F)7°C (44°F)5°C (42°F)6°C (42°F)6°C (43°F)
Dew point7°C (45°F)8°C (46°F)8°C (47°F)8°C (46°F)6°C (42°F)4°C (39°F)2°C (35°F)1°C (34°F)
Wind
Speed34km/h (21mph)45km/h (28mph)44km/h (28mph)46km/h (29mph)21km/h (13mph)19km/h (12mph)29km/h (18mph)27km/h (17mph)
Gusts49km/h (30mph)49km/h (30mph)50km/h (31mph)50km/h (31mph)24km/h (15mph)28km/h (17mph)36km/h (22mph)39km/h (24mph)
Direction 194°
SSW
194°
SSW
191°
S
184°
S
208°
SSW
264°
W
280°
W
277°
W
Wind chill4°C (40°F)4°C (40°F)5°C (40°F)4°C (39°F)4°C (39°F)2°C (35°F)1°C (34°F)2°C (35°F)
Waves
Height3.8m (12.4ft)3.5m (11.6ft)3.3m (10.8ft)3.3m (10.8ft)3.4m (11.2ft)3.4m (11.2ft)3.5m (11.5ft)3.6m (11.8ft)
Direction 269°
W
272°
W
271°
W
270°
W
269°
W
268°
W
267°
W
269°
W
Period11.9 sec.11.8 sec.11.5 sec.10.8 sec.13.3 sec.14.6 sec.11.6 sec.8.5 sec.
Significant height0.7m (2.3ft)0.7m (2.3ft)0.8m (2.6ft)1.2m (3.9ft)1.4m (4.6ft)1.3m (4.3ft)1.3m (4.3ft)1.5m (4.9ft)
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 19 December 2025

On Friday 19 December 2025, the sun will rise at 07:55 and will set at 16:20 on the beach(es) of Seattle. The outside temperature will be a high of 43°F t and a low of 41°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 11.8mph km/h (with gusts up to 21.8mph). Wave height will be up to 14.4ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature6°C (42°F)5°C (42°F)5°C (41°F)5°C (41°F)6°C (43°F)6°C (43°F)6°C (42°F)6°C (42°F)
Perceived temperature2°C (36°F)3°C (37°F)3°C (38°F)4°C (39°F)5°C (40°F)4°C (38°F)2°C (35°F)2°C (35°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity72%73%77%81%78%80%78%74%
Barometric pressure1004 hPa1006 hPa1006 hPa1008 hPa1008 hPa1008 hPa1010 hPa1012 hPa
Cloud cover39%32%43%83%100%100%55%19%
Heat index6°C (42°F)5°C (42°F)5°C (41°F)5°C (41°F)6°C (43°F)6°C (43°F)6°C (42°F)6°C (42°F)
Dew point1°C (34°F)1°C (34°F)1°C (34°F)2°C (36°F)2°C (36°F)3°C (37°F)2°C (36°F)1°C (34°F)
Wind
Speed19km/h (12mph)12km/h (7mph)7km/h (4mph)6km/h (4mph)7km/h (4mph)13km/h (8mph)19km/h (12mph)19km/h (12mph)
Gusts32km/h (20mph)19km/h (12mph)11km/h (7mph)9km/h (6mph)10km/h (6mph)19km/h (12mph)33km/h (20mph)35km/h (21mph)
Direction 274°
W
290°
WNW
334°
NNW
198°
SSW
180°
S
233°
SW
262°
W
276°
W
Wind chill2°C (36°F)3°C (37°F)3°C (38°F)4°C (39°F)5°C (40°F)4°C (38°F)2°C (35°F)2°C (35°F)
Waves
Height4.0m (13.1ft)4.4m (14.4ft)4.4m (14.4ft)4.1m (13.5ft)3.8m (12.5ft)3.5m (11.5ft)3.2m (10.5ft)2.9m (9.5ft)
Direction 270°
W
272°
W
274°
W
276°
W
278°
W
278°
W
279°
W
280°
W
Period8.0 sec.8.1 sec.10.4 sec.11.5 sec.11.3 sec.11.2 sec.11.0 sec.10.6 sec.
Significant height2.0m (6.6ft)2.3m (7.5ft)1.8m (5.9ft)1.4m (4.6ft)1.3m (4.3ft)1.3m (4.3ft)0.9m (3ft)0.8m (2.6ft)
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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