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
Friday 14 March 202527°F to 32°Fnot recommended
Saturday 15 March 202527°F to 34°Fnot recommended
Sunday 16 March 202527°F to 34°Fnot recommended
Monday 17 March 202525°F to 31°Fnot recommended
Tuesday 18 March 202531°F to 34°Fnot recommended
Wednesday 19 March 202532°F to 34°Fnot recommended
Thursday 20 March 202532°F to 36°Fnot recommended

Sea Weather: Your daily and hourly sea weather in Kotka

Sea weather on Friday 14 March 2025

On Friday 14 March 2025, the sun will rise at 07:28 and will set at 19:08 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 35.4mph). Wave height will be up to 3.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature0°C (32°F)-1°C (30°F)-2°C (29°F)-2°C (28°F)-3°C (27°F)-2°C (28°F)-1°C (29°F)-1°C (31°F)
Perceived temperature-5°C (23°F)-8°C (18°F)-10°C (15°F)-11°C (13°F)-11°C (11°F)-10°C (13°F)-9°C (17°F)-8°C (18°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity99%94%88%81%76%65%66%84%
Barometric pressure992 hPa991 hPa989 hPa991 hPa994 hPa998 hPa1002 hPa1004 hPa
Cloud cover100%100%100%100%82%27%12%83%
Heat index0°C (32°F)-1°C (30°F)-2°C (29°F)-2°C (28°F)-3°C (27°F)-2°C (28°F)-1°C (29°F)-1°C (31°F)
Dew point-0°C (32°F)-2°C (29°F)-3°C (26°F)-5°C (23°F)-7°C (20°F)-8°C (18°F)-7°C (20°F)-3°C (27°F)
Wind
Speed19km/h (12mph)33km/h (20mph)41km/h (26mph)42km/h (26mph)42km/h (26mph)40km/h (25mph)32km/h (20mph)36km/h (22mph)
Gusts31km/h (19mph)47km/h (29mph)55km/h (34mph)56km/h (35mph)57km/h (36mph)41km/h (25mph)35km/h (22mph)53km/h (33mph)
Direction 356°
N

N

N
354°
N
337°
NNW
317°
NW
284°
WNW
262°
W
Wind chill-5°C (23°F)-8°C (18°F)-10°C (15°F)-11°C (13°F)-11°C (11°F)-10°C (13°F)-9°C (17°F)-8°C (18°F)
Waves
Height0.3m (1.0ft)0.5m (1.8ft)0.8m (2.8ft)1.1m (3.8ft)1.2m (4.0ft)1.0m (3.2ft)0.8m (2.6ft)0.7m (2.4ft)
Direction 350°
N
353°
N
349°
N
345°
NNW
341°
NNW
333°
NNW
314°
NW
283°
WNW
Period2.6 sec.2.6 sec.2.6 sec.2.6 sec.2.6 sec.2.6 sec.2.6 sec.2.6 sec.
Significant height0.7m (2.3ft)0.9m (3ft)1.2m (3.9ft)1.4m (4.6ft)1.4m (4.6ft)1.0m (3.3ft)0.9m (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 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 34°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 26.7mph km/h (with gusts up to 32.3mph). Wave height will be up to 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature-1°C (29°F)-3°C (28°F)-2°C (28°F)-2°C (28°F)-1°C (31°F)1°C (34°F)1°C (34°F)1°C (33°F)
Perceived temperature-9°C (15°F)-10°C (15°F)-8°C (17°F)-10°C (15°F)-8°C (17°F)-6°C (21°F)-6°C (21°F)-7°C (20°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity64%56%54%70%66%63%63%67%
Barometric pressure1008 hPa1012 hPa1014 hPa1015 hPa1015 hPa1015 hPa1014 hPa1013 hPa
Cloud cover46%0%6%17%12%24%50%100%
Heat index-1°C (29°F)-3°C (28°F)-2°C (28°F)-2°C (28°F)-1°C (31°F)1°C (34°F)1°C (34°F)1°C (33°F)
Dew point-7°C (19°F)-10°C (14°F)-10°C (14°F)-7°C (20°F)-6°C (21°F)-5°C (22°F)-5°C (23°F)-5°C (23°F)
Wind
Speed39km/h (24mph)30km/h (18mph)24km/h (15mph)33km/h (21mph)40km/h (25mph)41km/h (26mph)41km/h (26mph)43km/h (27mph)
Gusts52km/h (32mph)40km/h (25mph)34km/h (21mph)46km/h (28mph)45km/h (28mph)43km/h (27mph)44km/h (27mph)49km/h (31mph)
Direction 331°
NNW
330°
NNW
280°
W
242°
WSW
246°
WSW
247°
WSW
245°
WSW
237°
WSW
Wind chill-9°C (15°F)-10°C (15°F)-8°C (17°F)-10°C (15°F)-8°C (17°F)-6°C (21°F)-6°C (21°F)-7°C (20°F)
Waves
Height0.8m (2.6ft)0.6m (1.9ft)0.4m (1.3ft)0.4m (1.4ft)0.6m (2.0ft)0.6m (2.1ft)0.7m (2.2ft)0.7m (2.3ft)
Direction 313°
NW
322°
NW
324°
NW
273°
W
241°
WSW
240°
WSW
237°
WSW
237°
WSW
Period2.6 sec.2.6 sec.2.6 sec.2.6 sec.2.6 sec.2.6 sec.2.6 sec.2.6 sec.
Significant height0.9m (3ft)0.6m (2ft)0.5m (1.6ft)0.7m (2.3ft)0.9m (3ft)0.8m (2.6ft)0.9m (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 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 27°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 28mph km/h (with gusts up to 39.2mph). Wave height will be up to 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature1°C (33°F)1°C (34°F)1°C (33°F)1°C (33°F)0°C (33°F)-2°C (29°F)-2°C (29°F)-2°C (29°F)
Perceived temperature-7°C (19°F)-6°C (20°F)-7°C (20°F)-7°C (19°F)-7°C (19°F)-8°C (17°F)-8°C (18°F)-10°C (14°F)
Precipitation0in0in0in0in0in0.1in0in0in
Humidity74%74%78%89%96%94%72%63%
Barometric pressure1011 hPa1008 hPa1006 hPa1003 hPa1002 hPa1005 hPa1007 hPa1011 hPa
Cloud cover100%100%100%100%100%100%82%84%
Heat index1°C (33°F)1°C (34°F)1°C (33°F)1°C (33°F)0°C (33°F)-2°C (29°F)-2°C (29°F)-2°C (29°F)
Dew point-4°C (25°F)-3°C (26°F)-3°C (27°F)-1°C (30°F)-0°C (32°F)-2°C (28°F)-6°C (21°F)-8°C (18°F)
Wind
Speed44km/h (28mph)44km/h (27mph)42km/h (26mph)44km/h (27mph)42km/h (26mph)27km/h (17mph)22km/h (14mph)45km/h (28mph)
Gusts50km/h (31mph)51km/h (32mph)48km/h (30mph)45km/h (28mph)45km/h (28mph)39km/h (24mph)33km/h (20mph)63km/h (39mph)
Direction 233°
SW
231°
SW
231°
SW
238°
WSW
270°
W
352°
N

N

N
Wind chill-7°C (19°F)-6°C (20°F)-7°C (20°F)-7°C (19°F)-7°C (19°F)-8°C (17°F)-8°C (18°F)-10°C (14°F)
Waves
Height0.8m (2.7ft)0.8m (2.6ft)0.8m (2.7ft)0.8m (2.6ft)0.8m (2.7ft)0.7m (2.4ft)0.4m (1.4ft)0.7m (2.3ft)
Direction 238°
WSW
232°
SW
228°
SW
229°
SW
246°
WSW
272°
W
284°
WNW
345°
NNW
Period2.6 sec.2.6 sec.2.6 sec.2.6 sec.2.6 sec.4.0 sec.4.0 sec.4.0 sec.
Significant height1.0m (3.3ft)0.9m (3ft)1.0m (3.3ft)1.0m (3.3ft)0.9m (3ft)1.1m (3.6ft)0.9m (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 31°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 26.1mph km/h (with gusts up to 34.2mph). Wave height will be up to 3.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature-3°C (27°F)-3°C (26°F)-3°C (26°F)-3°C (26°F)-4°C (26°F)-3°C (26°F)-2°C (28°F)-1°C (31°F)
Perceived temperature-11°C (12°F)-12°C (11°F)-12°C (11°F)-12°C (10°F)-12°C (10°F)-12°C (11°F)-10°C (14°F)-7°C (20°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity65%72%72%69%67%56%57%69%
Barometric pressure1014 hPa1015 hPa1017 hPa1019 hPa1021 hPa1022 hPa1023 hPa1023 hPa
Cloud cover52%86%100%90%48%11%11%20%
Heat index-3°C (27°F)-3°C (26°F)-3°C (26°F)-3°C (26°F)-4°C (26°F)-3°C (26°F)-2°C (28°F)-1°C (31°F)
Dew point-8°C (17°F)-8°C (18°F)-8°C (18°F)-8°C (17°F)-9°C (16°F)-11°C (13°F)-10°C (14°F)-6°C (22°F)
Wind
Speed41km/h (26mph)41km/h (26mph)42km/h (26mph)42km/h (26mph)39km/h (24mph)38km/h (24mph)34km/h (21mph)23km/h (15mph)
Gusts54km/h (34mph)53km/h (33mph)54km/h (34mph)55km/h (34mph)53km/h (33mph)39km/h (25mph)38km/h (24mph)34km/h (21mph)
Direction 354°
N
357°
N
356°
N
359°
N
357°
N
357°
N
352°
N
328°
NNW
Wind chill-11°C (12°F)-12°C (11°F)-12°C (11°F)-12°C (10°F)-12°C (10°F)-12°C (11°F)-10°C (14°F)-7°C (20°F)
Waves
Height1.0m (3.3ft)1.1m (3.6ft)1.0m (3.3ft)1.1m (3.8ft)1.1m (3.7ft)1.1m (3.6ft)1.0m (3.3ft)0.9m (3.0ft)
Direction 349°
N
348°
NNW
348°
NNW
348°
NNW
348°
NNW
349°
N
351°
N
352°
N
Period4.0 sec.4.0 sec.4.0 sec.4.0 sec.4.0 sec.4.0 sec.4.0 sec.4.0 sec.
Significant height1.4m (4.6ft)1.3m (4.3ft)1.2m (3.9ft)1.3m (4.3ft)1.3m (4.3ft)1.3m (4.3ft)1.2m (3.9ft)1.1m (3.6ft)
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 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 34°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! The sea will be generally calm, with a wind speed of up to 24.2mph km/h (with gusts up to 35.4mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature-0°C (32°F)-1°C (31°F)-1°C (31°F)0°C (32°F)0°C (33°F)1°C (33°F)1°C (33°F)1°C (34°F)
Perceived temperature-6°C (21°F)-7°C (19°F)-8°C (18°F)-7°C (19°F)-7°C (20°F)-6°C (22°F)-5°C (23°F)-4°C (25°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity77%78%86%91%90%91%91%92%
Barometric pressure1022 hPa1021 hPa1019 hPa1018 hPa1018 hPa1019 hPa1021 hPa1022 hPa
Cloud cover48%48%90%100%100%66%17%18%
Heat index-0°C (32°F)-1°C (31°F)-1°C (31°F)0°C (32°F)0°C (33°F)1°C (33°F)1°C (33°F)1°C (34°F)
Dew point-4°C (25°F)-4°C (25°F)-3°C (27°F)-1°C (30°F)-1°C (30°F)-1°C (31°F)-1°C (31°F)0°C (32°F)
Wind
Speed25km/h (16mph)30km/h (19mph)38km/h (24mph)39km/h (24mph)36km/h (22mph)31km/h (19mph)23km/h (15mph)19km/h (12mph)
Gusts37km/h (23mph)43km/h (27mph)54km/h (34mph)57km/h (35mph)42km/h (26mph)32km/h (20mph)25km/h (16mph)23km/h (14mph)
Direction 299°
WNW
276°
W
265°
W
275°
W
281°
WNW
281°
W
282°
WNW
290°
WNW
Wind chill-6°C (21°F)-7°C (19°F)-8°C (18°F)-7°C (19°F)-7°C (20°F)-6°C (22°F)-5°C (23°F)-4°C (25°F)
Waves
Height0.7m (2.4ft)0.7m (2.2ft)0.5m (1.8ft)0.5m (1.6ft)0.4m (1.4ft)0.4m (1.5ft)0.5m (1.5ft)0.5m (1.6ft)
Direction 353°
N
352°
N
347°
NNW
343°
NNW
336°
NNW
325°
NW
308°
NW
286°
WNW
Period4.0 sec.4.0 sec.4.0 sec.4.0 sec.4.0 sec.4.0 sec.4.0 sec.4.0 sec.
Significant height0.9m (3ft)0.8m (2.6ft)0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)
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 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 13.1mph km/h (with gusts up to 23.6mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature1°C (34°F)1°C (33°F)1°C (33°F)1°C (33°F)1°C (33°F)0°C (32°F)0°C (32°F)1°C (33°F)
Perceived temperature-3°C (26°F)-4°C (25°F)-5°C (24°F)-5°C (24°F)-5°C (24°F)-5°C (23°F)-4°C (25°F)-3°C (26°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity93%95%96%94%92%91%93%91%
Barometric pressure1024 hPa1025 hPa1026 hPa1028 hPa1029 hPa1031 hPa1031 hPa1032 hPa
Cloud cover12%21%32%38%26%9%19%3%
Heat index1°C (34°F)1°C (33°F)1°C (33°F)1°C (33°F)1°C (33°F)0°C (32°F)0°C (32°F)1°C (33°F)
Dew point0°C (32°F)0°C (32°F)-0°C (32°F)-0°C (31°F)-1°C (31°F)-1°C (30°F)-1°C (30°F)-0°C (31°F)
Wind
Speed17km/h (10mph)17km/h (11mph)20km/h (12mph)21km/h (13mph)20km/h (13mph)19km/h (12mph)14km/h (9mph)15km/h (9mph)
Gusts21km/h (13mph)18km/h (11mph)38km/h (23mph)36km/h (22mph)35km/h (22mph)22km/h (13mph)29km/h (18mph)31km/h (19mph)
Direction 288°
WNW
276°
W
274°
W
281°
W
281°
WNW
283°
WNW
274°
W
253°
WSW
Wind chill-3°C (26°F)-4°C (25°F)-5°C (24°F)-5°C (24°F)-5°C (24°F)-5°C (23°F)-4°C (25°F)-3°C (26°F)
Waves
Height0.5m (1.6ft)0.4m (1.3ft)0.3m (1.1ft)0.3m (0.9ft)0.2m (0.7ft)0.2m (0.5ft)0.1m (0.5ft)0.1m (0.4ft)
Direction 281°
WNW
272°
W
268°
W
267°
W
265°
W
272°
W
276°
W
279°
W
Period4.0 sec.4.0 sec.4.0 sec.4.0 sec.4.0 sec.4.0 sec.4.0 sec.2.3 sec.
Significant height0.6m (2ft)0.5m (1.6ft)0.4m (1.3ft)0.4m (1.3ft)0.3m (1ft)0.4m (1.3ft)0.3m (1ft)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 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 36°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 14.3mph km/h (with gusts up to 17.4mph). Wave height will be up to 1ft 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)1°C (33°F)0°C (33°F)1°C (34°F)0°C (32°F)2°C (35°F)
Perceived temperature-4°C (25°F)-4°C (24°F)-5°C (23°F)-5°C (23°F)-5°C (23°F)-4°C (24°F)-5°C (22°F)-3°C (26°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity90%90%91%86%74%72%77%84%
Barometric pressure1033 hPa1034 hPa1034 hPa1034 hPa1035 hPa1035 hPa1034 hPa1035 hPa
Cloud cover0%0%0%0%0%0%0%0%
Heat index1°C (33°F)1°C (33°F)0°C (33°F)1°C (33°F)0°C (33°F)1°C (34°F)0°C (32°F)2°C (35°F)
Dew point-1°C (31°F)-1°C (30°F)-1°C (30°F)-1°C (29°F)-4°C (25°F)-3°C (26°F)-3°C (26°F)-1°C (31°F)
Wind
Speed18km/h (11mph)18km/h (11mph)19km/h (12mph)22km/h (14mph)22km/h (13mph)21km/h (13mph)22km/h (13mph)23km/h (15mph)
Gusts21km/h (13mph)23km/h (14mph)21km/h (13mph)27km/h (17mph)27km/h (17mph)27km/h (17mph)28km/h (17mph)25km/h (16mph)
Direction 245°
WSW
242°
WSW
221°
SW
220°
SW
222°
SW
226°
SW
227°
SW
223°
SW
Wind chill-4°C (25°F)-4°C (24°F)-5°C (23°F)-5°C (23°F)-5°C (23°F)-4°C (24°F)-5°C (22°F)-3°C (26°F)
Waves
Height0.2m (0.6ft)0.2m (0.8ft)0.3m (0.9ft)0.3m (1.0ft)0.3m (0.9ft)0.2m (0.7ft)0.2m (0.6ft)0.2m (0.6ft)
Direction 253°
WSW
244°
WSW
240°
WSW
231°
SW
229°
SW
228°
SW
229°
SW
220°
SW
Period2.3 sec.2.3 sec.2.3 sec.2.3 sec.2.3 sec.2.3 sec.2.3 sec.2.3 sec.
Significant height0.4m (1.3ft)0.5m (1.6ft)0.4m (1.3ft)0.5m (1.6ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)
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 chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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