Sea weather in Kotka in Finland All the beach weather in Kotka

All the essential weather information for enjoying the beach in Kotka in Finland, 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 Kotka over the next 7 days?

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

Date Outside temp. Our opinion
Saturday 15 March 202529°F to 36°Fnot recommended
Sunday 16 March 202525°F to 34°Fnot recommended
Monday 17 March 202527°F to 32°Fnot recommended
Tuesday 18 March 202531°F to 36°Fnot recommended
Wednesday 19 March 202534°F to 36°Fnot recommended
Thursday 20 March 202532°F to 34°Fnot recommended
Friday 21 March 202534°F to 38°Fnot recommended

Sea Weather: Your daily and hourly sea weather in Kotka

Sea weather on Saturday 15 March 2025

On Saturday 15 March 2025, the sun will rise at 07:25 and will set at 19:11 on the beach(es) of Kotka. The outside temperature will be a high of 36°F t and a low of 29°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! Be careful, the sea will be generally rough with a wind speed of up to 26.1mph km/h (with gusts up to 28.6mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature-1°C (30°F)-2°C (29°F)-1°C (29°F)-2°C (29°F)-0°C (32°F)2°C (35°F)2°C (35°F)1°C (34°F)
Perceived temperature-8°C (18°F)-8°C (17°F)-8°C (18°F)-8°C (17°F)-7°C (19°F)-5°C (23°F)-5°C (23°F)-6°C (21°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity88%60%58%70%67%61%63%68%
Barometric pressure1007 hPa1011 hPa1013 hPa1014 hPa1015 hPa1014 hPa1013 hPa1011 hPa
Cloud cover100%5%0%4%7%21%100%100%
Heat index-1°C (30°F)-2°C (29°F)-1°C (29°F)-2°C (29°F)-0°C (32°F)2°C (35°F)2°C (35°F)1°C (34°F)
Dew point-3°C (27°F)-8°C (17°F)-9°C (17°F)-6°C (21°F)-5°C (22°F)-5°C (23°F)-5°C (24°F)-4°C (25°F)
Wind
Speed29km/h (18mph)30km/h (19mph)27km/h (17mph)30km/h (19mph)35km/h (22mph)36km/h (23mph)37km/h (23mph)42km/h (26mph)
Gusts41km/h (25mph)41km/h (25mph)38km/h (23mph)42km/h (26mph)41km/h (26mph)41km/h (25mph)40km/h (25mph)46km/h (29mph)
Direction 295°
WNW
325°
NW
295°
WNW
241°
WSW
240°
WSW
241°
WSW
241°
WSW
231°
SW
Wind chill-8°C (18°F)-8°C (17°F)-8°C (18°F)-8°C (17°F)-7°C (19°F)-5°C (23°F)-5°C (23°F)-6°C (21°F)
Waves
Height0.7m (2.2ft)0.6m (2.0ft)0.4m (1.5ft)0.4m (1.5ft)0.6m (1.9ft)0.6m (2.0ft)0.6m (2.1ft)0.7m (2.3ft)
Direction 275°
W
303°
WNW
314°
NW
292°
WNW
250°
WSW
245°
WSW
245°
WSW
234°
SW
Period0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.
Significant height1.0m (3.3ft)0.9m (3ft)0.8m (2.6ft)0.9m (3ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)
Sea water temperature
Water temperature-2°C (28°F)-2°C (28°F)-2°C (28°F)-2°C (28°F)-2°C (28°F)-2°C (28°F)-2°C (28°F)-2°C (28°F)

Sea weather on Sunday 16 March 2025

On Sunday 16 March 2025, the sun will rise at 07:22 and will set at 19:13 on the beach(es) of Kotka. The outside temperature will be a high of 34°F t and a low of 25°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! Be careful, the sea will be generally rough with a wind speed of up to 31.1mph km/h (with gusts up to 41.6mph). Wave height will be up to 3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature1°C (33°F)1°C (33°F)0°C (33°F)-0°C (31°F)-2°C (28°F)-3°C (27°F)-2°C (29°F)-3°C (27°F)
Perceived temperature-7°C (20°F)-7°C (19°F)-7°C (19°F)-8°C (18°F)-10°C (13°F)-11°C (12°F)-10°C (13°F)-12°C (10°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity67%67%82%88%58%52%55%63%
Barometric pressure1008 hPa1005 hPa1001 hPa1001 hPa1005 hPa1007 hPa1008 hPa1010 hPa
Cloud cover100%100%100%81%28%4%71%100%
Heat index1°C (33°F)1°C (33°F)0°C (33°F)-0°C (31°F)-2°C (28°F)-3°C (27°F)-2°C (29°F)-3°C (27°F)
Dew point-5°C (23°F)-5°C (23°F)-2°C (28°F)-2°C (28°F)-9°C (15°F)-11°C (12°F)-10°C (14°F)-9°C (16°F)
Wind
Speed44km/h (28mph)45km/h (28mph)46km/h (28mph)39km/h (24mph)38km/h (24mph)37km/h (23mph)45km/h (28mph)50km/h (31mph)
Gusts49km/h (30mph)47km/h (29mph)50km/h (31mph)56km/h (35mph)55km/h (34mph)38km/h (24mph)48km/h (30mph)67km/h (42mph)
Direction 227°
SW
223°
SW
229°
SW
330°
NNW
347°
NNW
314°
NW
326°
NNW
352°
N
Wind chill-7°C (20°F)-7°C (19°F)-7°C (19°F)-8°C (18°F)-10°C (13°F)-11°C (12°F)-10°C (13°F)-12°C (10°F)
Waves
Height0.8m (2.7ft)0.9m (3.0ft)0.9m (3.0ft)0.9m (3.0ft)0.7m (2.4ft)0.8m (2.6ft)0.7m (2.2ft)0.7m (2.4ft)
Direction 228°
SW
227°
SW
230°
SW
232°
SW
270°
W
311°
NW
322°
NW
331°
NNW
Period0.1 sec.0.1 sec.0.1 sec.0.1 sec.4.3 sec.4.2 sec.4.2 sec.4.2 sec.
Significant height1.2m (3.9ft)1.2m (3.9ft)1.2m (3.9ft)1.2m (3.9ft)0.9m (3ft)0.9m (3ft)0.7m (2.3ft)1.2m (3.9ft)
Sea water temperature
Water temperature-2°C (28°F)-2°C (28°F)-2°C (28°F)-2°C (28°F)-2°C (28°F)-2°C (28°F)-2°C (28°F)-2°C (28°F)

Sea weather on Monday 17 March 2025

On Monday 17 March 2025, the sun will rise at 07:19 and will set at 19:16 on the beach(es) of Kotka. The outside temperature will be a high of 32°F t and a low of 27°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! Be careful, the sea will be generally rough with a wind speed of up to 26.1mph km/h (with gusts up to 34.2mph). Wave height will be up to 3.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature-3°C (26°F)-3°C (27°F)-3°C (27°F)-2°C (28°F)-2°C (29°F)-1°C (30°F)-0°C (32°F)0°C (32°F)
Perceived temperature-12°C (10°F)-11°C (12°F)-11°C (13°F)-9°C (15°F)-10°C (15°F)-8°C (17°F)-7°C (19°F)-7°C (20°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity69%73%71%65%63%67%65%68%
Barometric pressure1013 hPa1015 hPa1017 hPa1018 hPa1019 hPa1018 hPa1018 hPa1017 hPa
Cloud cover58%100%19%26%19%22%100%79%
Heat index-3°C (26°F)-3°C (27°F)-3°C (27°F)-2°C (28°F)-2°C (29°F)-1°C (30°F)-0°C (32°F)0°C (32°F)
Dew point-8°C (17°F)-7°C (20°F)-7°C (19°F)-8°C (18°F)-8°C (18°F)-7°C (20°F)-6°C (21°F)-5°C (23°F)
Wind
Speed42km/h (26mph)38km/h (24mph)36km/h (22mph)31km/h (19mph)37km/h (23mph)33km/h (20mph)33km/h (21mph)33km/h (21mph)
Gusts55km/h (34mph)50km/h (31mph)47km/h (29mph)42km/h (26mph)54km/h (34mph)51km/h (32mph)34km/h (21mph)36km/h (22mph)
Direction 359°
N
348°
NNW
347°
NNW
328°
NNW
307°
NW
296°
WNW
286°
WNW
281°
W
Wind chill-12°C (10°F)-11°C (12°F)-11°C (13°F)-9°C (15°F)-10°C (15°F)-8°C (17°F)-7°C (19°F)-7°C (20°F)
Waves
Height0.7m (2.5ft)0.9m (2.9ft)0.8m (2.6ft)1.0m (3.2ft)0.8m (2.5ft)0.6m (2.1ft)0.7m (2.5ft)0.6m (1.8ft)
Direction 342°
NNW
349°
NNW
347°
NNW
345°
NNW
342°
NNW
330°
NNW
331°
NNW
335°
NNW
Period4.2 sec.4.2 sec.4.2 sec.4.2 sec.4.2 sec.4.2 sec.4.2 sec.4.2 sec.
Significant height1.2m (3.9ft)1.2m (3.9ft)1.1m (3.6ft)1.3m (4.3ft)1.0m (3.3ft)1.0m (3.3ft)1.1m (3.6ft)0.8m (2.6ft)
Sea water temperature
Water temperature-2°C (28°F)-2°C (28°F)-2°C (28°F)-2°C (28°F)-2°C (28°F)-2°C (28°F)-2°C (28°F)-2°C (28°F)

Sea weather on Tuesday 18 March 2025

On Tuesday 18 March 2025, the sun will rise at 07:16 and will set at 19:18 on the beach(es) of Kotka. The outside temperature will be a high of 36°F t and a low of 31°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! Be careful, the sea will be generally rough with a wind speed of up to 25.5mph km/h (with gusts up to 31.7mph). Wave height will be up to 3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature0°C (32°F)-1°C (31°F)-0°C (31°F)1°C (33°F)1°C (34°F)2°C (35°F)2°C (35°F)2°C (36°F)
Perceived temperature-7°C (20°F)-8°C (18°F)-8°C (18°F)-7°C (20°F)-6°C (22°F)-5°C (23°F)-5°C (23°F)-4°C (25°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity81%95%94%91%89%86%88%85%
Barometric pressure1016 hPa1014 hPa1011 hPa1010 hPa1011 hPa1012 hPa1013 hPa1014 hPa
Cloud cover89%100%100%100%100%100%94%97%
Heat index0°C (32°F)-1°C (31°F)-0°C (31°F)1°C (33°F)1°C (34°F)2°C (35°F)2°C (35°F)2°C (36°F)
Dew point-3°C (27°F)-1°C (29°F)-1°C (30°F)-1°C (31°F)-0°C (31°F)-0°C (31°F)-0°C (32°F)-0°C (32°F)
Wind
Speed32km/h (20mph)35km/h (22mph)40km/h (25mph)41km/h (26mph)41km/h (26mph)37km/h (23mph)35km/h (22mph)34km/h (21mph)
Gusts47km/h (29mph)51km/h (32mph)46km/h (29mph)45km/h (28mph)42km/h (26mph)42km/h (26mph)38km/h (24mph)36km/h (22mph)
Direction 273°
W
245°
WSW
254°
WSW
262°
W
274°
W
273°
W
273°
W
273°
W
Wind chill-7°C (20°F)-8°C (18°F)-8°C (18°F)-7°C (20°F)-6°C (22°F)-5°C (23°F)-5°C (23°F)-4°C (25°F)
Waves
Height0.3m (1.1ft)0.3m (1.1ft)0.6m (1.8ft)0.8m (2.6ft)0.9m (3.1ft)0.9m (3.1ft)0.9m (2.9ft)0.7m (2.4ft)
Direction 339°
NNW
266°
W
249°
WSW
250°
WSW
262°
W
269°
W
272°
W
274°
W
Period3.8 sec.3.6 sec.3.6 sec.3.6 sec.3.6 sec.3.6 sec.3.6 sec.3.6 sec.
Significant height0.5m (1.6ft)0.7m (2.3ft)0.9m (3ft)1.2m (3.9ft)1.2m (3.9ft)1.2m (3.9ft)1.1m (3.6ft)1.0m (3.3ft)
Sea water temperature
Water temperature-2°C (28°F)-2°C (28°F)-2°C (28°F)-2°C (28°F)-2°C (28°F)-2°C (28°F)-2°C (28°F)-2°C (28°F)

Sea weather on Wednesday 19 March 2025

On Wednesday 19 March 2025, the sun will rise at 07:12 and will set at 19:21 on the beach(es) of Kotka. The outside temperature will be a high of 36°F t and a low of 34°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 24.9mph km/h (with gusts up to 26.7mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature2°C (35°F)1°C (34°F)1°C (34°F)1°C (34°F)1°C (34°F)1°C (33°F)1°C (33°F)2°C (35°F)
Perceived temperature-5°C (24°F)-5°C (23°F)-5°C (23°F)-5°C (23°F)-6°C (22°F)-6°C (20°F)-6°C (20°F)-4°C (24°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity89%90%90%89%81%80%86%86%
Barometric pressure1016 hPa1017 hPa1018 hPa1018 hPa1019 hPa1019 hPa1019 hPa1020 hPa
Cloud cover26%29%24%16%2%2%5%3%
Heat index2°C (35°F)1°C (34°F)1°C (34°F)1°C (34°F)1°C (34°F)1°C (33°F)1°C (33°F)2°C (35°F)
Dew point0°C (32°F)-0°C (32°F)-0°C (31°F)-0°C (31°F)-2°C (29°F)-2°C (28°F)-2°C (29°F)-0°C (31°F)
Wind
Speed35km/h (22mph)33km/h (21mph)32km/h (20mph)34km/h (21mph)39km/h (24mph)40km/h (25mph)36km/h (22mph)30km/h (19mph)
Gusts35km/h (22mph)36km/h (22mph)35km/h (22mph)39km/h (24mph)43km/h (27mph)43km/h (27mph)41km/h (25mph)36km/h (22mph)
Direction 274°
W
267°
W
259°
W
261°
W
265°
W
271°
W
276°
W
258°
WSW
Wind chill-5°C (24°F)-5°C (23°F)-5°C (23°F)-5°C (23°F)-6°C (22°F)-6°C (20°F)-6°C (20°F)-4°C (24°F)
Waves
Height0.7m (2.3ft)0.7m (2.2ft)0.6m (2.1ft)0.6m (2.1ft)0.7m (2.2ft)0.6m (2.1ft)0.4m (1.4ft)0.5m (1.7ft)
Direction 276°
W
275°
W
269°
W
262°
W
263°
W
271°
W
272°
W
256°
WSW
Period3.6 sec.3.6 sec.3.6 sec.3.6 sec.3.6 sec.3.6 sec.3.6 sec.3.6 sec.
Significant height1.0m (3.3ft)0.9m (3ft)0.9m (3ft)1.0m (3.3ft)1.0m (3.3ft)0.9m (3ft)0.7m (2.3ft)0.9m (3ft)
Sea water temperature
Water temperature-2°C (28°F)-2°C (28°F)-2°C (28°F)-2°C (28°F)-2°C (28°F)-2°C (28°F)-2°C (28°F)-2°C (28°F)

Sea weather on Thursday 20 March 2025

On Thursday 20 March 2025, the sun will rise at 07:09 and will set at 19:23 on the beach(es) of Kotka. The outside temperature will be a high of 34°F t and a low of 32°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 18mph km/h (with gusts up to 22.4mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature1°C (34°F)1°C (34°F)1°C (33°F)1°C (33°F)1°C (33°F)0°C (33°F)0°C (32°F)1°C (35°F)
Perceived temperature-5°C (23°F)-5°C (23°F)-4°C (25°F)-3°C (27°F)-2°C (28°F)-1°C (29°F)0°C (32°F)-1°C (30°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity91%91%93%94%92%90%88%85%
Barometric pressure1022 hPa1024 hPa1025 hPa1028 hPa1029 hPa1030 hPa1031 hPa1031 hPa
Cloud cover18%10%22%71%90%10%8%14%
Heat index1°C (34°F)1°C (34°F)1°C (33°F)1°C (33°F)1°C (33°F)0°C (33°F)0°C (32°F)1°C (35°F)
Dew point-0°C (31°F)-0°C (32°F)-0°C (32°F)-0°C (32°F)-0°C (31°F)-1°C (30°F)-2°C (29°F)-1°C (30°F)
Wind
Speed29km/h (18mph)26km/h (16mph)19km/h (12mph)12km/h (7mph)9km/h (5mph)5km/h (3mph)2km/h (1mph)9km/h (6mph)
Gusts31km/h (19mph)32km/h (20mph)36km/h (22mph)22km/h (14mph)17km/h (10mph)11km/h (7mph)5km/h (3mph)19km/h (12mph)
Direction 270°
W
278°
W
291°
WNW
294°
WNW
296°
WNW
283°
WNW
229°
SW
165°
SSE
Wind chill-5°C (23°F)-5°C (23°F)-4°C (25°F)-3°C (27°F)-2°C (28°F)-1°C (29°F)0°C (32°F)-1°C (30°F)
Waves
Height0.6m (2.1ft)0.6m (2.1ft)0.6m (1.9ft)0.5m (1.7ft)0.6m (1.9ft)0.6m (1.8ft)0.4m (1.3ft)0.2m (0.8ft)
Direction 245°
WSW
246°
WSW
246°
WSW
246°
WSW
257°
WSW
276°
W
280°
W
274°
W
Period3.6 sec.3.6 sec.3.6 sec.3.6 sec.3.6 sec.3.6 sec.3.6 sec.2.9 sec.
Significant height1.0m (3.3ft)0.9m (3ft)0.9m (3ft)0.9m (3ft)0.9m (3ft)0.9m (3ft)0.6m (2ft)0.3m (1ft)
Sea water temperature
Water temperature-2°C (28°F)-2°C (28°F)-2°C (28°F)-2°C (28°F)-2°C (28°F)-2°C (28°F)-2°C (28°F)-2°C (28°F)

Sea weather on Friday 21 March 2025

On Friday 21 March 2025, the sun will rise at 07:06 and will set at 19:26 on the beach(es) of Kotka. The outside temperature will be a high of 38°F t and a low of 34°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 13.1mph km/h (with gusts up to 21.1mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature1°C (34°F)1°C (34°F)1°C (34°F)2°C (35°F)2°C (36°F)3°C (38°F)3°C (38°F)3°C (37°F)
Perceived temperature-3°C (27°F)-3°C (26°F)-3°C (26°F)-3°C (26°F)-2°C (28°F)-1°C (31°F)-1°C (31°F)-2°C (29°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity89%92%93%91%82%73%75%83%
Barometric pressure1031 hPa1031 hPa1031 hPa1031 hPa1030 hPa1029 hPa1028 hPa1028 hPa
Cloud cover100%33%100%100%31%19%18%32%
Heat index1°C (34°F)1°C (34°F)1°C (34°F)2°C (35°F)2°C (36°F)3°C (38°F)3°C (38°F)3°C (37°F)
Dew point-0°C (31°F)-0°C (32°F)0°C (32°F)0°C (32°F)-1°C (31°F)-1°C (30°F)-1°C (30°F)-0°C (32°F)
Wind
Speed14km/h (9mph)17km/h (10mph)18km/h (11mph)21km/h (13mph)18km/h (11mph)16km/h (10mph)16km/h (10mph)16km/h (10mph)
Gusts29km/h (18mph)22km/h (14mph)19km/h (12mph)28km/h (17mph)23km/h (15mph)34km/h (21mph)34km/h (21mph)34km/h (21mph)
Direction 173°
S
178°
S
186°
S
186°
S
204°
SSW
216°
SW
222°
SW
229°
SW
Wind chill-3°C (27°F)-3°C (26°F)-3°C (26°F)-3°C (26°F)-2°C (28°F)-1°C (31°F)-1°C (31°F)-2°C (29°F)
Waves
Height0.1m (0.5ft)0.4m (1.4ft)0.2m (0.5ft)0.3m (0.9ft)0.3m (1.0ft)0.3m (1.1ft)0.4m (1.3ft)0.6m (2.1ft)
Direction 274°
W
279°
W
214°
SW
208°
SSW
215°
SW
236°
WSW
265°
W
274°
W
Period2.6 sec.2.4 sec.2.4 sec.2.4 sec.2.4 sec.2.4 sec.2.4 sec.2.4 sec.
Significant height0.3m (1ft)0.3m (1ft)0.4m (1.3ft)0.8m (2.6ft)0.7m (2.3ft)0.8m (2.6ft)0.8m (2.6ft)1.0m (3.3ft)
Sea water temperature
Water temperature-0°C (32°F)-0°C (32°F)-0°C (32°F)-0°C (32°F)-0°C (32°F)-0°C (32°F)-0°C (32°F)-0°C (32°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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