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
Wednesday 28 January 202645°F to 47°Fnot recommended
Thursday 29 January 202641°F to 47°Fnot recommended
Friday 30 January 202641°F to 47°Fnot recommended
Saturday 31 January 202643°F to 47°Fdiscouraged
Sunday 1 February 202643°F to 45°Fnot recommended
Monday 2 February 202643°F to 45°Fnot recommended
Tuesday 3 February 202645°F to 47°Fnot recommended

Sea Weather: Your daily and hourly sea weather in Ketchikan

Sea weather on Wednesday 28 January 2026

On Wednesday 28 January 2026, the sun will rise at 07:45 and will set at 16:14 on the beach(es) of Ketchikan. The outside temperature will be a high of 47°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 48.5mph km/h (with gusts up to 51mph). 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)7°C (44°F)8°C (46°F)8°C (46°F)7°C (45°F)7°C (45°F)7°C (45°F)7°C (45°F)
Perceived temperature3°C (38°F)2°C (36°F)2°C (36°F)2°C (36°F)1°C (34°F)1°C (33°F)1°C (35°F)2°C (35°F)
Precipitation0in0in0in0in0in0in0.1in0in
Humidity91%88%84%81%81%85%94%93%
Barometric pressure1004 hPa1005 hPa1003 hPa1003 hPa1002 hPa1003 hPa1005 hPa1008 hPa
Cloud cover100%100%100%100%100%100%100%100%
Heat index8°C (46°F)7°C (44°F)8°C (46°F)8°C (46°F)7°C (45°F)7°C (45°F)7°C (45°F)7°C (45°F)
Dew point6°C (43°F)5°C (41°F)5°C (41°F)5°C (40°F)4°C (40°F)5°C (41°F)6°C (43°F)6°C (43°F)
Wind
Speed30km/h (19mph)38km/h (24mph)50km/h (31mph)55km/h (34mph)68km/h (42mph)78km/h (49mph)58km/h (36mph)55km/h (34mph)
Gusts48km/h (30mph)42km/h (26mph)51km/h (32mph)58km/h (36mph)71km/h (44mph)82km/h (51mph)63km/h (39mph)58km/h (36mph)
Direction 139°
SE
123°
ESE
131°
SE
135°
SE
137°
SE
141°
SE
152°
SSE
152°
SSE
Wind chill3°C (38°F)2°C (36°F)2°C (36°F)2°C (36°F)1°C (34°F)1°C (33°F)1°C (35°F)2°C (35°F)
Waves
Height3.0m (9.7ft)1.9m (6.3ft)2.0m (6.6ft)2.4m (7.8ft)3.0m (10.0ft)3.7m (12.2ft)3.7m (12.3ft)2.7m (8.9ft)
Direction 164°
SSE
164°
SSE
166°
SSE
164°
SSE
163°
SSE
163°
SSE
163°
SSE
161°
SSE
Period13.1 sec.12.9 sec.13.6 sec.16.2 sec.15.5 sec.14.6 sec.14.0 sec.13.4 sec.
Significant height1.4m (4.6ft)1.3m (4.3ft)1.4m (4.6ft)2.0m (6.6ft)2.5m (8.2ft)2.9m (9.5ft)2.5m (8.2ft)2.1m (6.9ft)
Sea water temperature
Water temperature4°C (40°F)4°C (40°F)4°C (40°F)4°C (40°F)4°C (40°F)4°C (40°F)4°C (40°F)4°C (40°F)

Sea weather on Thursday 29 January 2026

On Thursday 29 January 2026, the sun will rise at 07:44 and will set at 16:17 on the beach(es) of Ketchikan. The outside temperature will be a high of 47°F t and a low of 41°F. Precipitation is in the forecast (0.3in 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 32.3mph km/h (with gusts up to 36mph). Wave height will be up to 8.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature8°C (46°F)8°C (46°F)7°C (45°F)8°C (46°F)7°C (45°F)7°C (44°F)6°C (42°F)6°C (42°F)
Perceived temperature2°C (36°F)2°C (36°F)2°C (36°F)3°C (37°F)2°C (36°F)2°C (36°F)1°C (34°F)1°C (34°F)
Precipitation0in0.1in0in0in0in0in0.1in0in
Humidity91%94%93%90%88%90%95%94%
Barometric pressure1008 hPa1009 hPa1010 hPa1012 hPa1014 hPa1013 hPa1011 hPa1007 hPa
Cloud cover100%100%100%100%100%100%100%100%
Heat index8°C (46°F)8°C (46°F)7°C (45°F)8°C (46°F)7°C (45°F)7°C (44°F)6°C (42°F)6°C (42°F)
Dew point6°C (43°F)7°C (44°F)6°C (43°F)6°C (43°F)6°C (42°F)5°C (41°F)5°C (41°F)5°C (41°F)
Wind
Speed52km/h (32mph)52km/h (32mph)45km/h (28mph)39km/h (24mph)39km/h (24mph)29km/h (18mph)26km/h (16mph)27km/h (17mph)
Gusts58km/h (36mph)58km/h (36mph)47km/h (29mph)39km/h (24mph)45km/h (28mph)31km/h (20mph)44km/h (27mph)30km/h (19mph)
Direction 144°
SE
149°
SSE
148°
SSE
140°
SE
136°
SE
98°
E
74°
ENE
63°
ENE
Wind chill2°C (36°F)2°C (36°F)2°C (36°F)3°C (37°F)2°C (36°F)2°C (36°F)1°C (34°F)1°C (34°F)
Waves
Height2.7m (8.9ft)2.4m (7.8ft)2.3m (7.7ft)2.2m (7.3ft)2.1m (7.0ft)1.5m (5.1ft)1.2m (4.1ft)1.2m (3.8ft)
Direction 163°
SSE
164°
SSE
164°
SSE
166°
SSE
166°
SSE
168°
SSE
232°
SW
246°
WSW
Period12.9 sec.12.7 sec.12.6 sec.12.4 sec.12.2 sec.8.1 sec.6.5 sec.9.8 sec.
Significant height1.8m (5.9ft)1.7m (5.6ft)1.8m (5.9ft)1.5m (4.9ft)1.3m (4.3ft)0.8m (2.6ft)0.8m (2.6ft)1.0m (3.3ft)
Sea water temperature
Water temperature4°C (40°F)4°C (40°F)4°C (40°F)4°C (40°F)4°C (40°F)4°C (40°F)4°C (40°F)4°C (40°F)

Sea weather on Friday 30 January 2026

On Friday 30 January 2026, the sun will rise at 07:42 and will set at 16:19 on the beach(es) of Ketchikan. The outside temperature will be a high of 47°F t and a low of 41°F. Precipitation is in the forecast (0.3in 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 44.7mph km/h (with gusts up to 46mph). Wave height will be up to 13.1ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature6°C (42°F)5°C (42°F)8°C (47°F)8°C (46°F)8°C (46°F)7°C (45°F)7°C (45°F)8°C (46°F)
Perceived temperature1°C (33°F)-0°C (32°F)2°C (36°F)3°C (37°F)3°C (37°F)2°C (36°F)2°C (36°F)3°C (37°F)
Precipitation0.1in0.1in0in0in0in0in0in0in
Humidity93%94%92%88%86%94%92%93%
Barometric pressure1002 hPa998 hPa1000 hPa1008 hPa1013 hPa1015 hPa1017 hPa1019 hPa
Cloud cover100%100%100%100%82%69%85%96%
Heat index6°C (42°F)5°C (42°F)8°C (47°F)8°C (46°F)8°C (46°F)7°C (45°F)7°C (45°F)8°C (46°F)
Dew point5°C (40°F)5°C (40°F)7°C (45°F)6°C (43°F)6°C (42°F)6°C (43°F)6°C (43°F)6°C (44°F)
Wind
Speed30km/h (19mph)39km/h (24mph)72km/h (45mph)44km/h (27mph)42km/h (26mph)40km/h (25mph)39km/h (24mph)34km/h (21mph)
Gusts44km/h (28mph)41km/h (25mph)74km/h (46mph)49km/h (30mph)50km/h (31mph)43km/h (27mph)45km/h (28mph)38km/h (23mph)
Direction 55°
NE
80°
E
154°
SSE
171°
S
169°
S
163°
SSE
166°
SSE
163°
SSE
Wind chill1°C (33°F)-0°C (32°F)2°C (36°F)3°C (37°F)3°C (37°F)2°C (36°F)2°C (36°F)3°C (37°F)
Waves
Height1.2m (4.0ft)1.1m (3.6ft)1.3m (4.3ft)3.9m (12.8ft)4.0m (13.3ft)2.5m (8.1ft)1.6m (5.4ft)1.2m (4.1ft)
Direction 239°
WSW
240°
WSW
211°
SSW
163°
SSE
163°
SSE
163°
SSE
168°
SSE
235°
SW
Period8.0 sec.9.3 sec.10.3 sec.11.2 sec.11.0 sec.11.7 sec.10.7 sec.6.3 sec.
Significant height1.0m (3.3ft)1.2m (3.9ft)1.9m (6.2ft)2.7m (8.9ft)3.0m (9.8ft)1.1m (3.6ft)0.9m (3ft)0.7m (2.3ft)
Sea water temperature
Water temperature4°C (40°F)4°C (40°F)4°C (40°F)4°C (40°F)4°C (40°F)4°C (40°F)4°C (40°F)4°C (40°F)

Sea weather on Saturday 31 January 2026

On Saturday 31 January 2026, the sun will rise at 07:40 and will set at 16:21 on the beach(es) of Ketchikan. The outside temperature will be a high of 47°F t and a low of 43°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 25.5mph). Wave height will be up to 4.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature8°C (46°F)7°C (45°F)7°C (44°F)6°C (43°F)6°C (43°F)6°C (44°F)6°C (42°F)6°C (44°F)
Perceived temperature4°C (40°F)5°C (40°F)3°C (38°F)2°C (35°F)2°C (35°F)3°C (37°F)1°C (33°F)1°C (35°F)
Precipitation0in0in0in0in0in0in0in0.1in
Humidity91%89%90%90%86%82%87%88%
Barometric pressure1019 hPa1018 hPa1015 hPa1011 hPa1008 hPa1007 hPa1004 hPa1004 hPa
Cloud cover88%73%32%17%97%100%100%100%
Heat index8°C (46°F)7°C (45°F)7°C (44°F)6°C (43°F)6°C (43°F)6°C (44°F)6°C (42°F)6°C (44°F)
Dew point6°C (43°F)6°C (42°F)5°C (41°F)5°C (40°F)4°C (39°F)3°C (38°F)4°C (39°F)5°C (40°F)
Wind
Speed22km/h (13mph)15km/h (9mph)18km/h (11mph)25km/h (16mph)25km/h (15mph)21km/h (13mph)32km/h (20mph)35km/h (22mph)
Gusts36km/h (22mph)27km/h (17mph)34km/h (21mph)27km/h (17mph)41km/h (25mph)36km/h (22mph)32km/h (20mph)40km/h (25mph)
Direction 128°
SE
65°
ENE
69°
ENE
53°
NE
53°
NE
76°
ENE
61°
ENE
106°
ESE
Wind chill4°C (40°F)5°C (40°F)3°C (38°F)2°C (35°F)2°C (35°F)3°C (37°F)1°C (33°F)1°C (35°F)
Waves
Height1.3m (4.1ft)1.1m (3.7ft)1.0m (3.2ft)0.9m (3.1ft)0.9m (3.0ft)0.8m (2.8ft)1.0m (3.2ft)1.3m (4.3ft)
Direction 249°
WSW
242°
WSW
250°
WSW
250°
WSW
250°
WSW
251°
WSW
252°
WSW
200°
SSW
Period13.0 sec.9.1 sec.10.2 sec.11.0 sec.12.1 sec.12.8 sec.11.9 sec.9.2 sec.
Significant height0.8m (2.6ft)0.5m (1.6ft)0.4m (1.3ft)0.6m (2ft)0.8m (2.6ft)0.7m (2.3ft)1.1m (3.6ft)1.2m (3.9ft)
Sea water temperature
Water temperature4°C (40°F)4°C (40°F)4°C (40°F)4°C (40°F)4°C (40°F)4°C (40°F)4°C (40°F)4°C (40°F)

Sea weather on Sunday 1 February 2026

On Sunday 1 February 2026, the sun will rise at 07:38 and will set at 16:23 on the beach(es) of Ketchikan. The outside temperature will be a high of 45°F t and a low of 43°F. Precipitation is in the forecast (0.1in 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 27.3mph km/h (with gusts up to 32.3mph). Wave height will be up to 5.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature6°C (43°F)6°C (43°F)7°C (44°F)6°C (43°F)7°C (44°F)7°C (45°F)7°C (45°F)7°C (45°F)
Perceived temperature1°C (34°F)1°C (34°F)2°C (36°F)1°C (35°F)2°C (35°F)2°C (36°F)2°C (35°F)2°C (35°F)
Precipitation0in0.1in0in0in0in0in0in0in
Humidity90%93%90%89%90%84%85%84%
Barometric pressure1005 hPa1005 hPa1005 hPa1005 hPa1006 hPa1007 hPa1009 hPa1011 hPa
Cloud cover100%100%100%100%100%100%93%100%
Heat index6°C (43°F)6°C (43°F)7°C (44°F)6°C (43°F)7°C (44°F)7°C (45°F)7°C (45°F)7°C (45°F)
Dew point5°C (40°F)5°C (41°F)5°C (41°F)5°C (40°F)5°C (41°F)5°C (40°F)5°C (40°F)5°C (40°F)
Wind
Speed39km/h (24mph)35km/h (22mph)30km/h (19mph)32km/h (20mph)37km/h (23mph)44km/h (27mph)43km/h (27mph)44km/h (27mph)
Gusts44km/h (27mph)52km/h (33mph)45km/h (28mph)35km/h (22mph)40km/h (25mph)47km/h (29mph)44km/h (27mph)50km/h (31mph)
Direction 93°
E
99°
E
107°
ESE
98°
E
128°
SE
136°
SE
156°
SSE
147°
SSE
Wind chill1°C (34°F)1°C (34°F)2°C (36°F)1°C (35°F)2°C (35°F)2°C (36°F)2°C (35°F)2°C (35°F)
Waves
Height1.4m (4.7ft)1.2m (4.0ft)1.1m (3.5ft)1.1m (3.6ft)1.0m (3.4ft)1.1m (3.6ft)1.5m (4.9ft)1.7m (5.6ft)
Direction 175°
S
214°
SSW
192°
SSW
143°
SE
142°
SE
172°
S
167°
SSE
166°
SSE
Period6.9 sec.7.2 sec.8.1 sec.6.6 sec.8.1 sec.10.6 sec.14.5 sec.14.1 sec.
Significant height1.0m (3.3ft)0.9m (3ft)0.8m (2.6ft)1.0m (3.3ft)0.9m (3ft)1.0m (3.3ft)1.3m (4.3ft)1.6m (5.2ft)
Sea water temperature
Water temperature4°C (40°F)4°C (40°F)4°C (40°F)4°C (40°F)4°C (40°F)4°C (40°F)4°C (40°F)4°C (40°F)

Sea weather on Monday 2 February 2026

On Monday 2 February 2026, the sun will rise at 07:36 and will set at 16:25 on the beach(es) of Ketchikan. The outside temperature will be a high of 45°F t and a low of 43°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 25.5mph km/h (with gusts up to 32.9mph). Wave height will be up to 5.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature7°C (45°F)7°C (45°F)7°C (44°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (42°F)6°C (43°F)
Perceived temperature2°C (36°F)2°C (36°F)1°C (35°F)1°C (34°F)1°C (34°F)1°C (34°F)1°C (34°F)1°C (35°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity84%83%87%90%88%89%91%89%
Barometric pressure1013 hPa1015 hPa1015 hPa1017 hPa1017 hPa1017 hPa1018 hPa1020 hPa
Cloud cover82%45%100%100%100%100%100%100%
Heat index7°C (45°F)7°C (45°F)7°C (44°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (42°F)6°C (43°F)
Dew point5°C (40°F)4°C (40°F)5°C (40°F)5°C (41°F)4°C (40°F)4°C (40°F)4°C (40°F)5°C (40°F)
Wind
Speed39km/h (24mph)39km/h (24mph)41km/h (25mph)37km/h (23mph)32km/h (20mph)33km/h (20mph)31km/h (19mph)32km/h (20mph)
Gusts39km/h (24mph)40km/h (25mph)47km/h (29mph)53km/h (33mph)49km/h (30mph)49km/h (31mph)48km/h (30mph)49km/h (30mph)
Direction 153°
SSE
156°
SSE
143°
SE
136°
SE
120°
ESE
121°
ESE
116°
ESE
111°
ESE
Wind chill2°C (36°F)2°C (36°F)1°C (35°F)1°C (34°F)1°C (34°F)1°C (34°F)1°C (34°F)1°C (35°F)
Waves
Height1.7m (5.6ft)1.8m (5.8ft)1.4m (4.8ft)1.5m (4.9ft)1.6m (5.1ft)1.5m (5.0ft)1.7m (5.5ft)1.6m (5.2ft)
Direction 165°
SSE
164°
SSE
166°
SSE
162°
SSE
163°
SSE
164°
SSE
165°
SSE
168°
SSE
Period13.5 sec.13.3 sec.12.9 sec.12.7 sec.12.6 sec.12.7 sec.12.6 sec.11.5 sec.
Significant height1.5m (4.9ft)1.4m (4.6ft)1.0m (3.3ft)1.4m (4.6ft)1.5m (4.9ft)1.4m (4.6ft)1.4m (4.6ft)1.4m (4.6ft)
Sea water temperature
Water temperature4°C (40°F)4°C (40°F)4°C (40°F)4°C (40°F)4°C (40°F)4°C (40°F)4°C (40°F)4°C (40°F)

Sea weather on Tuesday 3 February 2026

On Tuesday 3 February 2026, the sun will rise at 07:35 and will set at 16:27 on the beach(es) of Ketchikan. The outside temperature will be a high of 47°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 32.3mph km/h (with gusts up to 33.6mph). Wave height will be up to 14.1ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature7°C (44°F)7°C (45°F)7°C (44°F)7°C (44°F)7°C (45°F)8°C (46°F)8°C (46°F)8°C (47°F)
Perceived temperature2°C (35°F)2°C (36°F)2°C (35°F)1°C (34°F)2°C (35°F)2°C (36°F)3°C (37°F)3°C (38°F)
Precipitation0in0in0.1in0.1in0in0in0in0in
Humidity89%86%91%91%87%83%84%81%
Barometric pressure1020 hPa1020 hPa1020 hPa1021 hPa1022 hPa1021 hPa1021 hPa1020 hPa
Cloud cover100%100%100%100%100%100%100%100%
Heat index7°C (44°F)7°C (45°F)7°C (44°F)7°C (44°F)7°C (45°F)8°C (46°F)8°C (46°F)8°C (47°F)
Dew point5°C (41°F)5°C (41°F)5°C (42°F)6°C (42°F)5°C (41°F)5°C (41°F)5°C (41°F)5°C (41°F)
Wind
Speed34km/h (21mph)36km/h (23mph)45km/h (28mph)52km/h (32mph)45km/h (28mph)46km/h (29mph)44km/h (27mph)42km/h (26mph)
Gusts52km/h (32mph)37km/h (23mph)45km/h (28mph)54km/h (34mph)48km/h (30mph)46km/h (29mph)45km/h (28mph)43km/h (27mph)
Direction 114°
ESE
123°
ESE
128°
SE
128°
SE
126°
SE
124°
ESE
127°
SE
126°
SE
Wind chill2°C (35°F)2°C (36°F)2°C (35°F)1°C (34°F)2°C (35°F)2°C (36°F)3°C (37°F)3°C (38°F)
Waves
Height2.3m (7.5ft)2.8m (9.2ft)3.6m (11.9ft)3.6m (11.7ft)3.3m (11.0ft)3.4m (11.2ft)3.7m (12.0ft)4.3m (14.1ft)
Direction 166°
SSE
164°
SSE
164°
SSE
163°
SSE
163°
SSE
163°
SSE
163°
SSE
163°
SSE
Period11.9 sec.11.6 sec.11.3 sec.11.0 sec.11.3 sec.12.3 sec.13.2 sec.14.4 sec.
Significant height1.9m (6.2ft)2.1m (6.9ft)2.7m (8.9ft)2.6m (8.5ft)2.3m (7.5ft)2.4m (7.9ft)2.7m (8.9ft)3.3m (10.8ft)
Sea water temperature
Water temperature4°C (40°F)4°C (40°F)4°C (40°F)4°C (40°F)4°C (40°F)4°C (40°F)4°C (40°F)4°C (40°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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