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
Sunday 19 July 202652°F to 61°Frecommended
Monday 20 July 202656°F to 67°Frecommended
Tuesday 21 July 202658°F to 68°Frecommended
Wednesday 22 July 202658°F to 67°Frecommended
Thursday 23 July 202656°F to 63°Frecommended
Friday 24 July 202656°F to 59°Frecommended
Saturday 25 July 202656°F to 59°Frecommended

Sea Weather: Your daily and hourly sea weather in Seattle

Sea weather on Sunday 19 July 2026

On Sunday 19 July 2026, the sun will rise at 05:32 and will set at 21:00 on the beach(es) of Seattle. The outside temperature will be a high of 61°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 9.9mph km/h (with gusts up to 20.5mph). Wave height will be up to 4.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature11°C (53°F)12°C (53°F)12°C (54°F)15°C (60°F)15°C (60°F)14°C (57°F)12°C (54°F)13°C (55°F)
Perceived temperature10°C (50°F)10°C (50°F)12°C (53°F)15°C (60°F)15°C (60°F)13°C (55°F)10°C (51°F)12°C (53°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity94%95%93%79%74%74%79%93%
Barometric pressure1019 hPa1020 hPa1020 hPa1020 hPa1019 hPa1018 hPa1016 hPa1016 hPa
Cloud cover12%36%37%5%6%0%0%0%
Heat index11°C (53°F)12°C (53°F)12°C (54°F)15°C (60°F)15°C (60°F)14°C (57°F)12°C (54°F)13°C (55°F)
Dew point10°C (51°F)11°C (51°F)11°C (52°F)12°C (53°F)11°C (51°F)9°C (48°F)9°C (48°F)12°C (53°F)
Wind
Speed13km/h (8mph)12km/h (8mph)8km/h (5mph)9km/h (5mph)11km/h (7mph)14km/h (9mph)16km/h (10mph)15km/h (9mph)
Gusts25km/h (16mph)22km/h (13mph)12km/h (8mph)11km/h (7mph)16km/h (10mph)29km/h (18mph)33km/h (21mph)31km/h (19mph)
Direction 346°
NNW
345°
NNW
347°
NNW
299°
WNW
279°
W
311°
NW
324°
NW
342°
NNW
Wind chill10°C (50°F)10°C (50°F)12°C (53°F)15°C (60°F)15°C (60°F)13°C (55°F)10°C (51°F)12°C (53°F)
Waves
Height1.1m (3.7ft)1.1m (3.6ft)1.1m (3.5ft)1.2m (3.8ft)1.4m (4.5ft)1.4m (4.6ft)1.4m (4.5ft)1.4m (4.7ft)
Direction 265°
W
266°
W
266°
W
267°
W
289°
WNW
289°
WNW
288°
WNW
289°
WNW
Period8.8 sec.8.4 sec.7.9 sec.7.3 sec.7.5 sec.7.5 sec.7.5 sec.7.6 sec.
Significant height1.2m (3.9ft)1.1m (3.6ft)1.0m (3.3ft)0.4m (1.3ft)0.4m (1.3ft)0.5m (1.6ft)0.6m (2ft)0.8m (2.6ft)
Sea water temperature
Water temperature11°C (51°F)11°C (51°F)11°C (51°F)11°C (51°F)11°C (51°F)11°C (51°F)11°C (51°F)11°C (51°F)

Sea weather on Monday 20 July 2026

On Monday 20 July 2026, the sun will rise at 05:34 and will set at 20:59 on the beach(es) of Seattle. The outside temperature will be a high of 67°F t and a low of 56°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 7.5mph km/h (with gusts up to 14.9mph). Wave height will be up to 4.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature13°C (56°F)13°C (56°F)14°C (58°F)17°C (63°F)19°C (65°F)19°C (66°F)17°C (63°F)15°C (59°F)
Perceived temperature12°C (54°F)13°C (56°F)14°C (58°F)17°C (63°F)19°C (65°F)19°C (66°F)17°C (63°F)14°C (58°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity91%89%86%74%66%67%70%85%
Barometric pressure1015 hPa1015 hPa1015 hPa1015 hPa1015 hPa1014 hPa1014 hPa1014 hPa
Cloud cover0%0%32%32%18%32%7%18%
Heat index13°C (56°F)13°C (56°F)14°C (58°F)17°C (63°F)19°C (65°F)19°C (66°F)17°C (63°F)15°C (59°F)
Dew point12°C (53°F)12°C (53°F)12°C (54°F)13°C (55°F)12°C (54°F)12°C (54°F)11°C (53°F)13°C (55°F)
Wind
Speed11km/h (7mph)5km/h (3mph)1km/h (1mph)5km/h (3mph)8km/h (5mph)11km/h (7mph)12km/h (7mph)12km/h (7mph)
Gusts23km/h (14mph)11km/h (7mph)2km/h (1mph)9km/h (5mph)16km/h (10mph)21km/h (13mph)24km/h (15mph)24km/h (15mph)
Direction 350°
N

N
119°
ESE
241°
WSW
290°
WNW
298°
WNW
321°
NW
344°
NNW
Wind chill12°C (54°F)13°C (56°F)14°C (58°F)17°C (63°F)19°C (65°F)19°C (66°F)17°C (63°F)14°C (58°F)
Waves
Height1.5m (4.8ft)1.5m (4.8ft)1.4m (4.7ft)1.4m (4.6ft)1.4m (4.5ft)1.3m (4.3ft)1.2m (4.1ft)1.2m (4.0ft)
Direction 287°
WNW
289°
WNW
290°
WNW
291°
WNW
291°
WNW
291°
WNW
291°
WNW
291°
WNW
Period7.7 sec.7.7 sec.7.8 sec.7.9 sec.8.0 sec.8.0 sec.8.0 sec.7.9 sec.
Significant height0.7m (2.3ft)0.5m (1.6ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.5m (1.6ft)0.5m (1.6ft)0.6m (2ft)
Sea water temperature
Water temperature13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)

Sea weather on Tuesday 21 July 2026

On Tuesday 21 July 2026, the sun will rise at 05:35 and will set at 20:58 on the beach(es) of Seattle. The outside temperature will be a high of 68°F t and a low of 58°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 6.8mph km/h (with gusts up to 14.3mph). Wave height will be up to 3.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature15°C (59°F)15°C (58°F)16°C (60°F)19°C (65°F)20°C (67°F)19°C (66°F)17°C (63°F)15°C (60°F)
Perceived temperature15°C (59°F)15°C (59°F)16°C (60°F)19°C (65°F)20°C (67°F)19°C (66°F)17°C (63°F)15°C (60°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity85%85%82%73%68%68%76%84%
Barometric pressure1014 hPa1014 hPa1014 hPa1015 hPa1015 hPa1014 hPa1013 hPa1014 hPa
Cloud cover100%24%24%9%44%27%18%46%
Heat index15°C (59°F)15°C (58°F)16°C (60°F)19°C (65°F)20°C (67°F)19°C (66°F)17°C (63°F)15°C (60°F)
Dew point13°C (55°F)12°C (54°F)12°C (54°F)13°C (56°F)14°C (57°F)13°C (55°F)13°C (55°F)13°C (55°F)
Wind
Speed8km/h (5mph)6km/h (4mph)5km/h (3mph)6km/h (4mph)10km/h (6mph)10km/h (6mph)11km/h (7mph)7km/h (4mph)
Gusts17km/h (10mph)13km/h (8mph)11km/h (7mph)12km/h (8mph)19km/h (12mph)21km/h (13mph)23km/h (15mph)15km/h (9mph)
Direction 352°
N
333°
NNW
353°
N
297°
WNW
305°
NW
320°
NW
325°
NW
308°
NW
Wind chill15°C (59°F)15°C (59°F)16°C (60°F)19°C (65°F)20°C (67°F)19°C (66°F)17°C (63°F)15°C (60°F)
Waves
Height1.1m (3.8ft)1.1m (3.6ft)1.1m (3.5ft)1.1m (3.5ft)1.1m (3.5ft)1.1m (3.6ft)1.1m (3.7ft)1.2m (3.9ft)
Direction 292°
WNW
293°
WNW
294°
WNW
294°
WNW
295°
WNW
295°
WNW
295°
WNW
295°
WNW
Period7.9 sec.7.8 sec.7.8 sec.7.7 sec.7.6 sec.7.6 sec.7.8 sec.8.0 sec.
Significant height0.5m (1.6ft)0.4m (1.3ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)1.1m (3.6ft)0.5m (1.6ft)0.4m (1.3ft)
Sea water temperature
Water temperature13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)

Sea weather on Wednesday 22 July 2026

On Wednesday 22 July 2026, the sun will rise at 05:36 and will set at 20:57 on the beach(es) of Seattle. The outside temperature will be a high of 67°F t and a low of 58°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 6.8mph km/h (with gusts up to 12.4mph). Wave height will be up to 4.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature14°C (58°F)14°C (58°F)15°C (59°F)18°C (65°F)18°C (64°F)19°C (66°F)17°C (63°F)14°C (58°F)
Perceived temperature15°C (58°F)15°C (59°F)15°C (59°F)18°C (65°F)18°C (64°F)19°C (66°F)17°C (63°F)15°C (58°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity89%86%86%73%72%67%76%91%
Barometric pressure1014 hPa1013 hPa1014 hPa1014 hPa1014 hPa1012 hPa1012 hPa1012 hPa
Cloud cover16%7%31%6%15%13%25%6%
Heat index14°C (58°F)14°C (58°F)15°C (59°F)18°C (65°F)18°C (64°F)19°C (66°F)17°C (63°F)14°C (58°F)
Dew point12°C (54°F)12°C (54°F)12°C (54°F)13°C (56°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)
Wind
Speed5km/h (3mph)4km/h (3mph)2km/h (1mph)6km/h (4mph)9km/h (6mph)11km/h (7mph)10km/h (6mph)5km/h (3mph)
Gusts11km/h (7mph)9km/h (6mph)4km/h (3mph)10km/h (6mph)15km/h (9mph)20km/h (13mph)19km/h (12mph)11km/h (7mph)
Direction
N
315°
NW
208°
SSW
231°
SW
237°
WSW
298°
WNW
307°
NW
328°
NNW
Wind chill15°C (58°F)15°C (59°F)15°C (59°F)18°C (65°F)18°C (64°F)19°C (66°F)17°C (63°F)15°C (58°F)
Waves
Height1.2m (4.0ft)1.2m (4.1ft)1.3m (4.2ft)1.3m (4.4ft)1.4m (4.5ft)1.4m (4.5ft)1.4m (4.6ft)1.4m (4.5ft)
Direction 295°
WNW
295°
WNW
294°
WNW
295°
WNW
295°
WNW
295°
WNW
294°
WNW
293°
WNW
Period8.1 sec.8.1 sec.8.2 sec.8.3 sec.8.4 sec.8.4 sec.8.6 sec.8.6 sec.
Significant height0.1m (0.3ft)0.1m (0.3ft)0.4m (1.3ft)0.5m (1.6ft)0.5m (1.6ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)
Sea water temperature
Water temperature13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)

Sea weather on Thursday 23 July 2026

On Thursday 23 July 2026, the sun will rise at 05:37 and will set at 20:56 on the beach(es) of Seattle. The outside temperature will be a high of 63°F t and a low of 56°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 14.9mph). Wave height will be up to 4.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature14°C (57°F)14°C (57°F)14°C (57°F)17°C (62°F)17°C (62°F)16°C (61°F)15°C (59°F)14°C (56°F)
Perceived temperature15°C (58°F)13°C (56°F)14°C (57°F)17°C (62°F)17°C (62°F)16°C (61°F)14°C (58°F)13°C (55°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity90%92%91%82%80%81%86%95%
Barometric pressure1012 hPa1013 hPa1013 hPa1013 hPa1014 hPa1013 hPa1013 hPa1014 hPa
Cloud cover5%85%18%7%5%7%23%65%
Heat index14°C (57°F)14°C (57°F)14°C (57°F)17°C (62°F)17°C (62°F)16°C (61°F)15°C (59°F)14°C (56°F)
Dew point12°C (54°F)13°C (55°F)13°C (55°F)14°C (57°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)
Wind
Speed4km/h (3mph)9km/h (5mph)9km/h (6mph)15km/h (9mph)15km/h (9mph)14km/h (9mph)11km/h (7mph)9km/h (6mph)
Gusts9km/h (6mph)16km/h (10mph)17km/h (11mph)22km/h (13mph)24km/h (15mph)22km/h (14mph)18km/h (11mph)16km/h (10mph)
Direction 204°
SSW
169°
S
141°
SE
188°
S
198°
SSW
204°
SSW
192°
SSW
171°
S
Wind chill15°C (58°F)13°C (56°F)14°C (57°F)17°C (62°F)17°C (62°F)16°C (61°F)14°C (58°F)13°C (55°F)
Waves
Height1.4m (4.5ft)1.4m (4.6ft)1.4m (4.7ft)1.4m (4.7ft)1.4m (4.7ft)1.4m (4.7ft)1.4m (4.7ft)1.4m (4.7ft)
Direction 293°
WNW
294°
WNW
295°
WNW
296°
WNW
296°
WNW
296°
WNW
295°
WNW
294°
WNW
Period8.5 sec.8.5 sec.8.6 sec.8.6 sec.8.6 sec.8.7 sec.8.7 sec.8.7 sec.
Significant height0.5m (1.6ft)0.5m (1.6ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)
Sea water temperature
Water temperature13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)

Sea weather on Friday 24 July 2026

On Friday 24 July 2026, the sun will rise at 05:38 and will set at 20:54 on the beach(es) of Seattle. The outside temperature will be a high of 59°F t and a low of 56°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 14.3mph). Wave height will be up to 4.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature13°C (56°F)14°C (57°F)14°C (57°F)15°C (58°F)15°C (59°F)15°C (58°F)14°C (57°F)14°C (56°F)
Perceived temperature13°C (55°F)13°C (55°F)13°C (55°F)13°C (56°F)14°C (57°F)14°C (57°F)13°C (56°F)13°C (55°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity95%88%86%84%85%87%90%93%
Barometric pressure1014 hPa1014 hPa1015 hPa1016 hPa1017 hPa1017 hPa1018 hPa1018 hPa
Cloud cover98%93%92%88%93%96%92%93%
Heat index13°C (56°F)14°C (57°F)14°C (57°F)15°C (58°F)15°C (59°F)15°C (58°F)14°C (57°F)14°C (56°F)
Dew point13°C (55°F)12°C (53°F)11°C (53°F)12°C (53°F)12°C (54°F)13°C (55°F)12°C (54°F)12°C (54°F)
Wind
Speed9km/h (6mph)14km/h (9mph)15km/h (9mph)16km/h (10mph)17km/h (10mph)13km/h (8mph)10km/h (6mph)10km/h (6mph)
Gusts15km/h (9mph)21km/h (13mph)22km/h (14mph)23km/h (14mph)23km/h (14mph)19km/h (12mph)16km/h (10mph)17km/h (10mph)
Direction 179°
S
174°
S
159°
SSE
166°
SSE
196°
SSW
230°
SW
267°
W
297°
WNW
Wind chill13°C (55°F)13°C (55°F)13°C (55°F)13°C (56°F)14°C (57°F)14°C (57°F)13°C (56°F)13°C (55°F)
Waves
Height1.4m (4.6ft)1.4m (4.5ft)1.3m (4.3ft)1.3m (4.3ft)1.3m (4.3ft)1.3m (4.3ft)1.3m (4.3ft)1.2m (3.9ft)
Direction 295°
WNW
295°
WNW
295°
WNW
296°
WNW
297°
WNW
297°
WNW
296°
WNW
296°
WNW
Period8.7 sec.8.5 sec.8.3 sec.8.1 sec.7.8 sec.7.5 sec.11.7 sec.9.3 sec.
Significant height0.5m (1.6ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.5m (1.6ft)0.7m (2.3ft)0.8m (2.6ft)0.8m (2.6ft)
Sea water temperature
Water temperature11°C (51°F)11°C (51°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)

Sea weather on Saturday 25 July 2026

On Saturday 25 July 2026, the sun will rise at 05:39 and will set at 20:53 on the beach(es) of Seattle. The outside temperature will be a high of 59°F t and a low of 56°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 6.2mph km/h (with gusts up to 9.3mph). Wave height will be up to 3.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature13°C (56°F)13°C (55°F)13°C (56°F)14°C (58°F)15°C (59°F)15°C (60°F)15°C (58°F)14°C (57°F)
Perceived temperature13°C (55°F)13°C (55°F)13°C (56°F)14°C (58°F)15°C (59°F)15°C (60°F)15°C (59°F)14°C (57°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity94%94%92%86%81%81%87%93%
Barometric pressure1019 hPa1019 hPa1020 hPa1021 hPa1021 hPa1020 hPa1020 hPa1019 hPa
Cloud cover91%94%96%93%84%74%77%84%
Heat index13°C (56°F)13°C (55°F)13°C (56°F)14°C (58°F)15°C (59°F)15°C (60°F)15°C (58°F)14°C (57°F)
Dew point12°C (54°F)12°C (53°F)12°C (54°F)12°C (54°F)12°C (53°F)12°C (54°F)13°C (55°F)13°C (55°F)
Wind
Speed10km/h (6mph)6km/h (4mph)3km/h (2mph)5km/h (3mph)10km/h (6mph)10km/h (6mph)6km/h (4mph)5km/h (3mph)
Gusts15km/h (9mph)11km/h (7mph)4km/h (3mph)8km/h (5mph)14km/h (9mph)15km/h (9mph)10km/h (6mph)9km/h (6mph)
Direction 317°
NW
329°
NNW
291°
WNW
245°
WSW
236°
WSW
248°
WSW
252°
WSW
229°
SW
Wind chill13°C (55°F)13°C (55°F)13°C (56°F)14°C (58°F)15°C (59°F)15°C (60°F)15°C (59°F)14°C (57°F)
Waves
Height1.1m (3.6ft)1.1m (3.6ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)0.9m (3.0ft)0.9m (3.0ft)
Direction 254°
WSW
234°
SW
233°
SW
233°
SW
234°
SW
234°
SW
233°
SW
233°
SW
Period6.9 sec.6.8 sec.6.7 sec.8.1 sec.8.7 sec.8.5 sec.8.3 sec.8.1 sec.
Significant height1.2m (3.9ft)1.1m (3.6ft)0.9m (3ft)0.9m (3ft)0.9m (3ft)0.9m (3ft)0.9m (3ft)0.8m (2.6ft)
Sea water temperature
Water temperature13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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