Sea weather in Ketchikan in Alaska All the beach weather in Ketchikan

All the essential weather information for enjoying the beach in Ketchikan in Alaska, 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 Ketchikan over the next 7 days?

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

Date Outside temp. Our opinion
Friday 17 July 202654°F to 58°Frecommended
Saturday 18 July 202656°F to 58°Frecommended
Sunday 19 July 202654°F to 61°Frecommended
Monday 20 July 202654°F to 61°Frecommended
Tuesday 21 July 202654°F to 59°Frecommended
Wednesday 22 July 202654°F to 59°Frecommended
Thursday 23 July 202656°F to 58°Frecommended

Sea Weather: Your daily and hourly sea weather in Ketchikan

Sea weather on Friday 17 July 2026

On Friday 17 July 2026, the sun will rise at 04:29 and will set at 21:16 on the beach(es) of Ketchikan. The outside temperature will be a high of 58°F t and a low of 54°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 3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature14°C (57°F)14°C (56°F)14°C (56°F)14°C (57°F)13°C (56°F)12°C (53°F)14°C (56°F)14°C (57°F)
Perceived temperature13°C (56°F)13°C (55°F)13°C (55°F)14°C (57°F)13°C (55°F)11°C (51°F)14°C (57°F)14°C (57°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity89%91%90%86%84%83%81%86%
Barometric pressure1014 hPa1014 hPa1014 hPa1014 hPa1015 hPa1015 hPa1014 hPa1016 hPa
Cloud cover6%6%6%7%7%2%4%4%
Heat index14°C (57°F)14°C (56°F)14°C (56°F)14°C (57°F)13°C (56°F)12°C (53°F)14°C (56°F)14°C (57°F)
Dew point12°C (54°F)12°C (54°F)12°C (54°F)12°C (53°F)11°C (51°F)9°C (48°F)10°C (51°F)12°C (53°F)
Wind
Speed12km/h (7mph)11km/h (7mph)12km/h (8mph)6km/h (4mph)10km/h (6mph)11km/h (7mph)5km/h (3mph)5km/h (3mph)
Gusts24km/h (15mph)20km/h (13mph)21km/h (13mph)10km/h (6mph)20km/h (13mph)23km/h (14mph)10km/h (6mph)8km/h (5mph)
Direction 337°
NNW
335°
NNW
335°
NNW
309°
NW
233°
SW
219°
SW
229°
SW
360°
N
Wind chill13°C (56°F)13°C (55°F)13°C (55°F)14°C (57°F)13°C (55°F)11°C (51°F)14°C (57°F)14°C (57°F)
Waves
Height0.4m (1.2ft)0.3m (1.1ft)0.5m (1.7ft)0.5m (1.6ft)0.5m (1.6ft)0.6m (2.1ft)0.9m (2.9ft)0.9m (2.9ft)
Direction 243°
WSW
244°
WSW
254°
WSW
254°
WSW
255°
WSW
249°
WSW
247°
WSW
246°
WSW
Period6.2 sec.6.4 sec.6.2 sec.7.4 sec.9.1 sec.8.2 sec.7.0 sec.7.2 sec.
Significant height0.4m (1.3ft)0.3m (1ft)0.3m (1ft)0.2m (0.7ft)0.4m (1.3ft)0.3m (1ft)0.1m (0.3ft)0.2m (0.7ft)
Sea water temperature
Water temperature11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)

Sea weather on Saturday 18 July 2026

On Saturday 18 July 2026, the sun will rise at 04:30 and will set at 21:14 on the beach(es) of Ketchikan. The outside temperature will be a high of 58°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 8.7mph km/h (with gusts up to 14.3mph). Wave height will be up to 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)14°C (56°F)14°C (58°F)14°C (57°F)14°C (57°F)
Perceived temperature13°C (55°F)12°C (53°F)13°C (55°F)13°C (55°F)14°C (58°F)15°C (58°F)13°C (55°F)13°C (55°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity89%87%83%84%80%78%74%77%
Barometric pressure1017 hPa1018 hPa1019 hPa1020 hPa1021 hPa1022 hPa1022 hPa1022 hPa
Cloud cover32%91%84%63%86%74%34%18%
Heat index13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)14°C (56°F)14°C (58°F)14°C (57°F)14°C (57°F)
Dew point11°C (52°F)11°C (51°F)10°C (50°F)10°C (51°F)10°C (51°F)10°C (51°F)9°C (49°F)10°C (50°F)
Wind
Speed6km/h (4mph)10km/h (6mph)6km/h (4mph)2km/h (1mph)3km/h (2mph)5km/h (3mph)14km/h (9mph)13km/h (8mph)
Gusts9km/h (6mph)15km/h (9mph)9km/h (5mph)3km/h (2mph)5km/h (3mph)8km/h (5mph)23km/h (15mph)22km/h (14mph)
Direction 69°
ENE
20°
NNE
350°
N
210°
SSW
184°
S
275°
W
258°
WSW
295°
WNW
Wind chill13°C (55°F)12°C (53°F)13°C (55°F)13°C (55°F)14°C (58°F)15°C (58°F)13°C (55°F)13°C (55°F)
Waves
Height0.7m (2.4ft)0.6m (2.1ft)0.5m (1.8ft)0.4m (1.5ft)0.5m (1.8ft)0.7m (2.4ft)0.8m (2.5ft)0.7m (2.5ft)
Direction 247°
WSW
246°
WSW
246°
WSW
252°
WSW
245°
WSW
245°
WSW
246°
WSW
247°
WSW
Period6.2 sec.5.8 sec.5.4 sec.5.3 sec.6.2 sec.6.8 sec.10.2 sec.10.1 sec.
Significant height0.1m (0.3ft)0.2m (0.7ft)0.3m (1ft)0.1m (0.3ft)0.2m (0.7ft)0.3m (1ft)0.5m (1.6ft)0.5m (1.6ft)
Sea water temperature
Water temperature11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)

Sea weather on Sunday 19 July 2026

On Sunday 19 July 2026, the sun will rise at 04:32 and will set at 21:13 on the beach(es) of Ketchikan. The outside temperature will be a high of 61°F t and a low of 54°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 11.8mph km/h (with gusts up to 18.6mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature13°C (55°F)13°C (55°F)13°C (55°F)13°C (56°F)12°C (54°F)12°C (53°F)12°C (54°F)15°C (59°F)
Perceived temperature11°C (52°F)11°C (51°F)11°C (52°F)12°C (53°F)11°C (51°F)10°C (50°F)10°C (50°F)14°C (57°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity82%84%82%81%78%74%72%77%
Barometric pressure1022 hPa1022 hPa1023 hPa1023 hPa1023 hPa1022 hPa1020 hPa1020 hPa
Cloud cover3%3%2%3%3%2%2%1%
Heat index13°C (55°F)13°C (55°F)13°C (55°F)13°C (56°F)12°C (54°F)12°C (53°F)12°C (54°F)15°C (59°F)
Dew point10°C (50°F)10°C (50°F)9°C (49°F)10°C (50°F)8°C (47°F)7°C (45°F)7°C (45°F)11°C (51°F)
Wind
Speed14km/h (9mph)17km/h (11mph)15km/h (9mph)13km/h (8mph)13km/h (8mph)17km/h (11mph)19km/h (12mph)14km/h (9mph)
Gusts26km/h (16mph)28km/h (17mph)23km/h (14mph)20km/h (12mph)28km/h (17mph)22km/h (13mph)25km/h (15mph)30km/h (19mph)
Direction 294°
WNW
327°
NNW
337°
NNW
345°
NNW
278°
W
269°
W
277°
W
305°
NW
Wind chill11°C (52°F)11°C (51°F)11°C (52°F)12°C (53°F)11°C (51°F)10°C (50°F)10°C (50°F)14°C (57°F)
Waves
Height0.7m (2.2ft)0.6m (2.0ft)0.5m (1.8ft)0.5m (1.7ft)0.5m (1.6ft)0.6m (1.8ft)0.7m (2.3ft)0.7m (2.3ft)
Direction 247°
WSW
251°
WSW
252°
WSW
251°
WSW
252°
WSW
252°
WSW
250°
WSW
250°
WSW
Period10.1 sec.7.7 sec.7.9 sec.7.8 sec.9.2 sec.10.6 sec.10.9 sec.8.7 sec.
Significant height0.5m (1.6ft)0.5m (1.6ft)0.4m (1.3ft)0.3m (1ft)0.4m (1.3ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)
Sea water temperature
Water temperature11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)

Sea weather on Monday 20 July 2026

On Monday 20 July 2026, the sun will rise at 04:34 and will set at 21:11 on the beach(es) of Ketchikan. The outside temperature will be a high of 61°F t and a low of 54°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 19.3mph). Wave height will be up to 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature14°C (56°F)13°C (56°F)13°C (56°F)14°C (57°F)12°C (54°F)12°C (54°F)13°C (55°F)15°C (60°F)
Perceived temperature13°C (56°F)12°C (54°F)12°C (53°F)13°C (55°F)11°C (51°F)11°C (51°F)11°C (53°F)15°C (60°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity85%83%83%82%80%77%75%79%
Barometric pressure1020 hPa1020 hPa1019 hPa1019 hPa1018 hPa1018 hPa1017 hPa1017 hPa
Cloud cover1%1%0%0%0%0%0%0%
Heat index14°C (56°F)13°C (56°F)13°C (56°F)14°C (57°F)12°C (54°F)12°C (54°F)13°C (55°F)15°C (60°F)
Dew point11°C (52°F)11°C (51°F)10°C (51°F)11°C (51°F)9°C (48°F)8°C (47°F)8°C (47°F)12°C (53°F)
Wind
Speed8km/h (5mph)14km/h (9mph)16km/h (10mph)16km/h (10mph)14km/h (9mph)14km/h (9mph)15km/h (9mph)12km/h (7mph)
Gusts16km/h (10mph)25km/h (15mph)26km/h (16mph)28km/h (17mph)29km/h (18mph)30km/h (19mph)31km/h (19mph)25km/h (16mph)
Direction 352°
N
338°
NNW
335°
NNW
334°
NNW
301°
WNW
268°
W
262°
W
304°
NW
Wind chill13°C (56°F)12°C (54°F)12°C (53°F)13°C (55°F)11°C (51°F)11°C (51°F)11°C (53°F)15°C (60°F)
Waves
Height0.6m (1.9ft)0.5m (1.5ft)0.4m (1.4ft)0.4m (1.3ft)0.4m (1.3ft)0.5m (1.5ft)0.6m (2.1ft)0.8m (2.5ft)
Direction 251°
WSW
252°
WSW
253°
WSW
261°
W
261°
W
256°
WSW
249°
WSW
248°
WSW
Period6.5 sec.6.4 sec.6.5 sec.6.4 sec.8.2 sec.7.2 sec.9.0 sec.9.1 sec.
Significant height0.2m (0.7ft)0.2m (0.7ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.5m (1.6ft)0.4m (1.3ft)0.6m (2ft)
Sea water temperature
Water temperature11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)

Sea weather on Tuesday 21 July 2026

On Tuesday 21 July 2026, the sun will rise at 04:35 and will set at 21:10 on the beach(es) of Ketchikan. The outside temperature will be a high of 59°F t and a low of 54°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 15.5mph). Wave height will be up to 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature14°C (57°F)13°C (56°F)13°C (56°F)14°C (57°F)12°C (54°F)13°C (55°F)13°C (55°F)14°C (58°F)
Perceived temperature14°C (56°F)13°C (56°F)12°C (54°F)14°C (56°F)11°C (53°F)11°C (52°F)11°C (52°F)13°C (56°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity88%88%87%84%85%80%77%84%
Barometric pressure1018 hPa1019 hPa1019 hPa1019 hPa1020 hPa1019 hPa1018 hPa1019 hPa
Cloud cover0%0%2%0%0%0%0%0%
Heat index14°C (57°F)13°C (56°F)13°C (56°F)14°C (57°F)12°C (54°F)13°C (55°F)13°C (55°F)14°C (58°F)
Dew point12°C (53°F)11°C (53°F)11°C (52°F)11°C (52°F)10°C (50°F)9°C (49°F)9°C (48°F)12°C (53°F)
Wind
Speed8km/h (5mph)8km/h (5mph)12km/h (8mph)9km/h (5mph)9km/h (6mph)18km/h (11mph)17km/h (11mph)18km/h (11mph)
Gusts15km/h (9mph)13km/h (8mph)19km/h (12mph)14km/h (9mph)19km/h (12mph)25km/h (15mph)21km/h (13mph)20km/h (12mph)
Direction
N
316°
NW
318°
NW
314°
NW
302°
WNW
253°
WSW
282°
WNW
290°
WNW
Wind chill14°C (56°F)13°C (56°F)12°C (54°F)14°C (56°F)11°C (53°F)11°C (52°F)11°C (52°F)13°C (56°F)
Waves
Height0.7m (2.3ft)0.6m (1.9ft)0.6m (1.9ft)0.5m (1.7ft)0.5m (1.8ft)0.6m (2.1ft)0.8m (2.5ft)0.8m (2.5ft)
Direction 248°
WSW
246°
WSW
247°
WSW
254°
WSW
263°
W
253°
WSW
247°
WSW
249°
WSW
Period5.8 sec.6.0 sec.6.0 sec.6.0 sec.6.4 sec.8.6 sec.8.1 sec.7.4 sec.
Significant height0.3m (1ft)0.3m (1ft)0.4m (1.3ft)0.3m (1ft)0.4m (1.3ft)0.6m (2ft)0.5m (1.6ft)0.5m (1.6ft)
Sea water temperature
Water temperature11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)

Sea weather on Wednesday 22 July 2026

On Wednesday 22 July 2026, the sun will rise at 04:37 and will set at 21:08 on the beach(es) of Ketchikan. The outside temperature will be a high of 59°F t and a low of 54°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 18.6mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature14°C (57°F)13°C (56°F)14°C (56°F)14°C (57°F)12°C (54°F)13°C (56°F)13°C (56°F)15°C (60°F)
Perceived temperature13°C (55°F)13°C (55°F)12°C (54°F)13°C (56°F)11°C (51°F)12°C (53°F)11°C (53°F)15°C (60°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity89%89%88%87%84%77%72%78%
Barometric pressure1019 hPa1018 hPa1018 hPa1018 hPa1018 hPa1017 hPa1016 hPa1016 hPa
Cloud cover50%1%4%0%0%0%0%0%
Heat index14°C (57°F)13°C (56°F)14°C (56°F)14°C (57°F)12°C (54°F)13°C (56°F)13°C (56°F)15°C (60°F)
Dew point12°C (53°F)12°C (53°F)12°C (53°F)12°C (53°F)10°C (49°F)9°C (48°F)8°C (47°F)12°C (53°F)
Wind
Speed11km/h (7mph)11km/h (7mph)14km/h (9mph)12km/h (8mph)14km/h (9mph)17km/h (11mph)18km/h (11mph)13km/h (8mph)
Gusts22km/h (14mph)20km/h (12mph)23km/h (14mph)21km/h (13mph)30km/h (19mph)19km/h (12mph)19km/h (12mph)28km/h (17mph)
Direction 327°
NNW
333°
NNW
336°
NNW
329°
NNW
298°
WNW
277°
W
285°
WNW
311°
NW
Wind chill13°C (55°F)13°C (55°F)12°C (54°F)13°C (56°F)11°C (51°F)12°C (53°F)11°C (53°F)15°C (60°F)
Waves
Height0.6m (2.1ft)0.6m (1.8ft)0.5m (1.7ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.8ft)0.6m (2.0ft)0.6m (2.0ft)
Direction 249°
WSW
248°
WSW
248°
WSW
250°
WSW
259°
WSW
251°
WSW
252°
WSW
261°
W
Period7.8 sec.7.6 sec.8.2 sec.8.0 sec.7.3 sec.6.9 sec.7.0 sec.6.6 sec.
Significant height0.1m (0.3ft)0.1m (0.3ft)0.4m (1.3ft)0.4m (1.3ft)0.5m (1.6ft)0.6m (2ft)0.5m (1.6ft)0.3m (1ft)
Sea water temperature
Water temperature11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)

Sea weather on Thursday 23 July 2026

On Thursday 23 July 2026, the sun will rise at 04:39 and will set at 21:07 on the beach(es) of Ketchikan. The outside temperature will be a high of 58°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 12.4mph km/h (with gusts up to 14.9mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature14°C (57°F)14°C (56°F)14°C (56°F)14°C (58°F)13°C (55°F)14°C (57°F)14°C (57°F)14°C (56°F)
Perceived temperature14°C (57°F)13°C (55°F)13°C (56°F)14°C (57°F)12°C (54°F)13°C (55°F)13°C (55°F)12°C (54°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity88%87%83%79%80%77%75%82%
Barometric pressure1015 hPa1015 hPa1014 hPa1014 hPa1015 hPa1014 hPa1012 hPa1012 hPa
Cloud cover3%3%15%18%0%15%10%0%
Heat index14°C (57°F)14°C (56°F)14°C (56°F)14°C (58°F)13°C (55°F)14°C (57°F)14°C (57°F)14°C (56°F)
Dew point12°C (53°F)12°C (53°F)11°C (52°F)11°C (51°F)9°C (49°F)10°C (50°F)10°C (49°F)11°C (51°F)
Wind
Speed5km/h (3mph)9km/h (6mph)9km/h (6mph)10km/h (6mph)8km/h (5mph)20km/h (12mph)18km/h (11mph)19km/h (12mph)
Gusts10km/h (6mph)17km/h (11mph)16km/h (10mph)16km/h (10mph)17km/h (11mph)24km/h (15mph)21km/h (13mph)19km/h (12mph)
Direction 23°
NNE
318°
NW
318°
NW
297°
WNW
234°
SW
260°
W
264°
W
278°
W
Wind chill14°C (57°F)13°C (55°F)13°C (56°F)14°C (57°F)12°C (54°F)13°C (55°F)13°C (55°F)12°C (54°F)
Waves
Height0.5m (1.6ft)0.4m (1.4ft)0.4m (1.5ft)0.5m (1.6ft)0.2m (0.8ft)0.5m (1.7ft)0.5m (1.8ft)0.5m (1.7ft)
Direction 253°
WSW
262°
W
282°
WNW
301°
WNW
165°
SSE
300°
WNW
266°
W
247°
WSW
Period6.4 sec.6.3 sec.6.1 sec.6.0 sec.4.5 sec.6.6 sec.4.9 sec.5.5 sec.
Significant height0.1m (0.3ft)0.2m (0.7ft)0.5m (1.6ft)0.6m (2ft)0.3m (1ft)0.6m (2ft)0.6m (2ft)0.3m (1ft)
Sea water temperature
Water temperature11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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