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
Tuesday 18 March 202532°F to 36°Fnot recommended
Wednesday 19 March 202531°F to 36°Fnot recommended
Thursday 20 March 202532°F to 38°Fnot recommended
Friday 21 March 202532°F to 36°Fnot recommended
Saturday 22 March 202534°F to 36°Fnot recommended
Sunday 23 March 202534°F to 38°Fnot recommended
Monday 24 March 202536°F to 43°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Kotka

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 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 21.8mph km/h (with gusts up to 31.7mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature0°C (33°F)0°C (33°F)0°C (32°F)-0°C (32°F)0°C (32°F)1°C (33°F)1°C (34°F)1°C (35°F)
Perceived temperature-7°C (20°F)-6°C (22°F)-6°C (21°F)-6°C (22°F)-5°C (23°F)-4°C (25°F)-4°C (25°F)-4°C (24°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity88%88%95%98%98%93%91%93%
Barometric pressure1011 hPa1011 hPa1011 hPa1011 hPa1012 hPa1012 hPa1013 hPa1012 hPa
Cloud cover100%100%100%100%100%100%100%100%
Heat index0°C (33°F)0°C (33°F)0°C (32°F)-0°C (32°F)0°C (32°F)1°C (33°F)1°C (34°F)1°C (35°F)
Dew point-1°C (29°F)-1°C (30°F)-1°C (31°F)-0°C (31°F)-0°C (32°F)-0°C (32°F)-0°C (31°F)0°C (33°F)
Wind
Speed35km/h (22mph)28km/h (18mph)25km/h (16mph)21km/h (13mph)22km/h (13mph)18km/h (11mph)18km/h (11mph)26km/h (16mph)
Gusts51km/h (32mph)42km/h (26mph)37km/h (23mph)31km/h (19mph)35km/h (22mph)30km/h (19mph)35km/h (22mph)28km/h (17mph)
Direction 296°
WNW
287°
WNW
274°
W
255°
WSW
292°
WNW
284°
WNW
268°
W
262°
W
Wind chill-7°C (20°F)-6°C (22°F)-6°C (21°F)-6°C (22°F)-5°C (23°F)-4°C (25°F)-4°C (25°F)-4°C (24°F)
Waves
Height0.7m (2.3ft)0.5m (1.8ft)0.4m (1.4ft)0.4m (1.4ft)0.6m (2.0ft)0.5m (1.7ft)0.3m (1.0ft)0.3m (0.9ft)
Direction 268°
W
274°
W
268°
W
267°
W
294°
WNW
303°
WNW
308°
NW
278°
W
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 height0.8m (2.6ft)0.6m (2ft)0.6m (2ft)0.7m (2.3ft)0.8m (2.6ft)0.6m (2ft)0.4m (1.3ft)0.5m (1.6ft)
Sea water temperature
Water temperature-2°C (29°F)-2°C (29°F)-2°C (29°F)-2°C (29°F)-2°C (29°F)-2°C (29°F)-2°C (29°F)-2°C (29°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 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 27.3mph km/h (with gusts up to 30.5mph). Wave height will be up to 3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature2°C (35°F)2°C (35°F)2°C (36°F)2°C (36°F)2°C (35°F)1°C (33°F)-0°C (32°F)1°C (35°F)
Perceived temperature-4°C (24°F)-5°C (24°F)-5°C (24°F)-5°C (23°F)-6°C (22°F)-6°C (22°F)-6°C (21°F)-4°C (25°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity88%88%81%81%85%88%81%78%
Barometric pressure1012 hPa1011 hPa1009 hPa1010 hPa1012 hPa1013 hPa1014 hPa1017 hPa
Cloud cover92%100%20%7%24%7%4%4%
Heat index2°C (35°F)2°C (35°F)2°C (36°F)2°C (36°F)2°C (35°F)1°C (33°F)-0°C (32°F)1°C (35°F)
Dew point0°C (32°F)-0°C (32°F)-1°C (31°F)-1°C (31°F)-1°C (31°F)-1°C (30°F)-3°C (27°F)-2°C (28°F)
Wind
Speed31km/h (19mph)34km/h (21mph)43km/h (27mph)44km/h (27mph)42km/h (26mph)32km/h (20mph)27km/h (17mph)22km/h (14mph)
Gusts38km/h (24mph)39km/h (24mph)46km/h (29mph)46km/h (29mph)49km/h (30mph)35km/h (22mph)33km/h (21mph)24km/h (15mph)
Direction 258°
WSW
264°
W
254°
WSW
264°
W
277°
W
278°
W
289°
WNW
302°
WNW
Wind chill-4°C (24°F)-5°C (24°F)-5°C (24°F)-5°C (23°F)-6°C (22°F)-6°C (22°F)-6°C (21°F)-4°C (25°F)
Waves
Height0.4m (1.4ft)0.6m (1.8ft)0.6m (2.1ft)0.8m (2.6ft)0.9m (3.0ft)0.8m (2.5ft)0.6m (1.8ft)0.5m (1.6ft)
Direction 263°
W
257°
WSW
248°
WSW
248°
WSW
266°
W
278°
W
282°
WNW
276°
W
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 height0.7m (2.3ft)0.8m (2.6ft)0.9m (3ft)1.1m (3.6ft)1.1m (3.6ft)0.8m (2.6ft)0.6m (2ft)0.6m (2ft)
Sea water temperature
Water temperature-2°C (29°F)-2°C (29°F)-2°C (29°F)-2°C (29°F)-2°C (29°F)-2°C (29°F)-2°C (29°F)-2°C (29°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 38°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 24.2mph). Wave height will be up to 1.6ft 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)2°C (35°F)3°C (38°F)3°C (37°F)2°C (36°F)
Perceived temperature-4°C (25°F)-5°C (23°F)-5°C (23°F)-5°C (23°F)-3°C (26°F)-1°C (30°F)-1°C (30°F)-3°C (27°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity83%85%87%87%81%75%82%87%
Barometric pressure1018 hPa1020 hPa1021 hPa1022 hPa1022 hPa1022 hPa1020 hPa1019 hPa
Cloud cover8%8%5%10%22%50%62%100%
Heat index1°C (33°F)1°C (33°F)0°C (33°F)1°C (33°F)2°C (35°F)3°C (38°F)3°C (37°F)2°C (36°F)
Dew point-2°C (29°F)-2°C (29°F)-2°C (29°F)-1°C (30°F)-1°C (29°F)-1°C (30°F)0°C (33°F)0°C (32°F)
Wind
Speed17km/h (10mph)23km/h (15mph)21km/h (13mph)22km/h (14mph)20km/h (12mph)17km/h (11mph)18km/h (11mph)22km/h (13mph)
Gusts33km/h (20mph)39km/h (24mph)34km/h (21mph)37km/h (23mph)20km/h (12mph)18km/h (11mph)20km/h (12mph)25km/h (16mph)
Direction 275°
W
290°
WNW
266°
W
251°
WSW
237°
WSW
219°
SW
197°
SSW
188°
S
Wind chill-4°C (25°F)-5°C (23°F)-5°C (23°F)-5°C (23°F)-3°C (26°F)-1°C (30°F)-1°C (30°F)-3°C (27°F)
Waves
Height0.5m (1.5ft)0.4m (1.3ft)0.3m (1.1ft)0.2m (0.7ft)0.1m (0.4ft)0.4m (1.5ft)0.1m (0.4ft)0.1m (0.4ft)
Direction 289°
WNW
294°
WNW
293°
WNW
298°
WNW
285°
WNW
9999°
219°
SW
216°
SW
Period0.1 sec.0.1 sec.0.1 sec.2.9 sec.2.6 sec.2.2 sec.2.2 sec.2.2 sec.
Significant height0.6m (2ft)0.5m (1.6ft)0.5m (1.6ft)0.3m (1ft)0.3m (1ft)0.3m (1ft)0.3m (1ft)0.4m (1.3ft)
Sea water temperature
Water temperature-2°C (29°F)-2°C (29°F)-2°C (29°F)-2°C (29°F)-2°C (29°F)-2°C (29°F)-2°C (29°F)-2°C (29°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 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 13.7mph km/h (with gusts up to 21.1mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature2°C (36°F)1°C (34°F)1°C (33°F)1°C (34°F)1°C (33°F)0°C (32°F)1°C (33°F)1°C (35°F)
Perceived temperature-3°C (27°F)-4°C (25°F)-4°C (24°F)-3°C (26°F)-4°C (26°F)-3°C (26°F)-2°C (28°F)-2°C (29°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity90%85%90%93%87%86%85%87%
Barometric pressure1018 hPa1018 hPa1018 hPa1019 hPa1021 hPa1022 hPa1023 hPa1024 hPa
Cloud cover69%60%100%70%15%6%19%9%
Heat index2°C (36°F)1°C (34°F)1°C (33°F)1°C (34°F)1°C (33°F)0°C (32°F)1°C (33°F)1°C (35°F)
Dew point1°C (33°F)-1°C (30°F)-1°C (30°F)-0°C (32°F)-1°C (30°F)-2°C (28°F)-2°C (29°F)-1°C (31°F)
Wind
Speed22km/h (13mph)19km/h (12mph)18km/h (11mph)15km/h (9mph)14km/h (9mph)10km/h (6mph)9km/h (6mph)10km/h (6mph)
Gusts27km/h (17mph)34km/h (21mph)29km/h (18mph)24km/h (15mph)24km/h (15mph)19km/h (12mph)18km/h (11mph)20km/h (13mph)
Direction 208°
SSW
230°
SW
244°
WSW
279°
W
306°
NW
311°
NW
278°
W
272°
W
Wind chill-3°C (27°F)-4°C (25°F)-4°C (24°F)-3°C (26°F)-4°C (26°F)-3°C (26°F)-2°C (28°F)-2°C (29°F)
Waves
Height0.4m (1.3ft)0.1m (0.4ft)0.2m (0.5ft)0.1m (0.5ft)0.4m (1.3ft)0.2m (0.7ft)0.5m (1.7ft)0.3m (1.0ft)
Direction 213°
SSW
207°
SSW
216°
SW
223°
SW
226°
SW
237°
WSW
234°
SW
9999°
Period2.2 sec.2.2 sec.2.2 sec.2.2 sec.2.2 sec.2.2 sec.2.2 sec.2.2 sec.
Significant height0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.3m (1ft)0.3m (1ft)0.3m (1ft)
Sea water temperature
Water temperature-2°C (29°F)-2°C (29°F)-2°C (29°F)-2°C (29°F)-2°C (29°F)-2°C (29°F)-2°C (29°F)-2°C (29°F)

Sea weather on Saturday 22 March 2025

On Saturday 22 March 2025, the sun will rise at 07:03 and will set at 19:28 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 8.7mph km/h (with gusts up to 18.6mph). 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 (34°F)1°C (33°F)1°C (34°F)1°C (33°F)2°C (35°F)2°C (35°F)2°C (36°F)
Perceived temperature-2°C (28°F)-3°C (27°F)-3°C (27°F)-2°C (28°F)-2°C (29°F)1°C (34°F)1°C (34°F)-1°C (30°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity88%89%91%90%87%84%82%82%
Barometric pressure1025 hPa1026 hPa1027 hPa1028 hPa1029 hPa1029 hPa1029 hPa1030 hPa
Cloud cover7%3%4%4%3%11%15%12%
Heat index1°C (34°F)1°C (34°F)1°C (33°F)1°C (34°F)1°C (33°F)2°C (35°F)2°C (35°F)2°C (36°F)
Dew point-1°C (31°F)-1°C (31°F)-1°C (31°F)-0°C (31°F)-1°C (30°F)-1°C (30°F)-1°C (30°F)-0°C (31°F)
Wind
Speed11km/h (7mph)12km/h (8mph)12km/h (7mph)10km/h (6mph)8km/h (5mph)4km/h (2mph)4km/h (2mph)14km/h (9mph)
Gusts23km/h (14mph)26km/h (16mph)25km/h (15mph)21km/h (13mph)17km/h (10mph)8km/h (5mph)8km/h (5mph)30km/h (19mph)
Direction 257°
WSW
257°
WSW
244°
WSW
239°
WSW
248°
WSW
295°
WNW
151°
SSE
198°
SSW
Wind chill-2°C (28°F)-3°C (27°F)-3°C (27°F)-2°C (28°F)-2°C (29°F)1°C (34°F)1°C (34°F)-1°C (30°F)
Waves
Height0.1m (0.3ft)0.5m (1.6ft)0.1m (0.5ft)0.1m (0.3ft)0.2m (0.7ft)0.1m (0.4ft)0.1m (0.3ft)0.5m (1.8ft)
Direction 223°
SW
226°
SW
225°
SW
9999°
9999°
9999°
9999°
9999°
Period1.5 sec.1.6 sec.1.6 sec.1.6 sec.1.6 sec.1.6 sec.1.6 sec.1.6 sec.
Significant height0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.3m (1ft)0.3m (1ft)0.3m (1ft)0.2m (0.7ft)
Sea water temperature
Water temperature-2°C (29°F)-2°C (29°F)-2°C (29°F)-2°C (29°F)-2°C (29°F)-2°C (29°F)-2°C (29°F)-2°C (29°F)

Sea weather on Sunday 23 March 2025

On Sunday 23 March 2025, the sun will rise at 07:00 and will set at 19:31 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 9.3mph km/h (with gusts up to 19.9mph). Wave height will be up to 1.6ft 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)3°C (38°F)3°C (37°F)3°C (38°F)
Perceived temperature-2°C (28°F)-3°C (27°F)-3°C (26°F)-3°C (27°F)-3°C (27°F)-0°C (32°F)-1°C (31°F)-0°C (31°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity83%87%89%87%79%72%72%80%
Barometric pressure1030 hPa1030 hPa1031 hPa1031 hPa1031 hPa1031 hPa1030 hPa1030 hPa
Cloud cover6%13%2%3%1%5%4%6%
Heat index2°C (35°F)1°C (34°F)1°C (34°F)1°C (34°F)1°C (34°F)3°C (38°F)3°C (37°F)3°C (38°F)
Dew point-1°C (30°F)-1°C (31°F)-1°C (31°F)-1°C (31°F)-2°C (28°F)-1°C (30°F)-2°C (29°F)0°C (32°F)
Wind
Speed15km/h (9mph)14km/h (9mph)14km/h (9mph)13km/h (8mph)13km/h (8mph)14km/h (9mph)13km/h (8mph)14km/h (9mph)
Gusts32km/h (20mph)29km/h (18mph)29km/h (18mph)27km/h (17mph)27km/h (17mph)29km/h (18mph)27km/h (17mph)29km/h (18mph)
Direction 200°
SSW
198°
SSW
198°
SSW
189°
S
190°
S
198°
SSW
200°
SSW
180°
S
Wind chill-2°C (28°F)-3°C (27°F)-3°C (26°F)-3°C (27°F)-3°C (27°F)-0°C (32°F)-1°C (31°F)-0°C (31°F)
Waves
Height0.5m (1.7ft)0.4m (1.2ft)0.5m (1.5ft)0.4m (1.4ft)0.1m (0.5ft)0.1m (0.4ft)0.2m (0.6ft)0.1m (0.3ft)
Direction 9999°
9999°
9999°
203°
SSW
199°
SSW
199°
SSW
199°
SSW
9999°
Period1.6 sec.1.6 sec.1.6 sec.1.6 sec.1.6 sec.1.6 sec.1.6 sec.1.6 sec.
Significant height0.3m (1ft)0.3m (1ft)0.4m (1.3ft)0.4m (1.3ft)0.5m (1.6ft)0.4m (1.3ft)0.3m (1ft)0.4m (1.3ft)
Sea water temperature
Water temperature-2°C (29°F)-2°C (29°F)-2°C (29°F)-2°C (29°F)-2°C (29°F)-2°C (29°F)-2°C (29°F)-2°C (29°F)

Sea weather on Monday 24 March 2025

On Monday 24 March 2025, the sun will rise at 06:57 and will set at 19:33 on the beach(es) of Kotka. The outside temperature will be a high of 43°F t and a low of 36°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 16.8mph km/h (with gusts up to 20.5mph). Wave height will be up to 1ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature2°C (36°F)2°C (36°F)2°C (35°F)2°C (35°F)2°C (36°F)5°C (42°F)6°C (42°F)5°C (40°F)
Perceived temperature-2°C (29°F)-2°C (28°F)-3°C (27°F)-3°C (27°F)-2°C (28°F)2°C (35°F)1°C (35°F)-0°C (31°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity88%89%89%87%77%66%68%83%
Barometric pressure1030 hPa1029 hPa1028 hPa1027 hPa1025 hPa1022 hPa1019 hPa1016 hPa
Cloud cover11%3%2%0%0%32%100%100%
Heat index2°C (36°F)2°C (36°F)2°C (35°F)2°C (35°F)2°C (36°F)5°C (42°F)6°C (42°F)5°C (40°F)
Dew point1°C (33°F)0°C (33°F)0°C (32°F)0°C (32°F)-1°C (29°F)-0°C (31°F)0°C (32°F)2°C (35°F)
Wind
Speed15km/h (10mph)15km/h (10mph)17km/h (10mph)19km/h (12mph)18km/h (11mph)20km/h (12mph)22km/h (14mph)27km/h (17mph)
Gusts33km/h (20mph)33km/h (20mph)17km/h (11mph)26km/h (16mph)22km/h (13mph)20km/h (13mph)23km/h (14mph)33km/h (21mph)
Direction 167°
SSE
163°
SSE
155°
SSE
143°
SE
146°
SE
147°
SSE
132°
SE
141°
SE
Wind chill-2°C (29°F)-2°C (28°F)-3°C (27°F)-3°C (27°F)-2°C (28°F)2°C (35°F)1°C (35°F)-0°C (31°F)
Waves
Height0.2m (0.5ft)0.2m (0.6ft)0.2m (0.7ft)0.2m (0.8ft)0.2m (0.8ft)0.3m (0.9ft)0.2m (0.8ft)0.3m (0.9ft)
Direction 190°
S
195°
SSW
190°
S
193°
SSW
186°
S
182°
S
179°
S
171°
S
Period1.6 sec.1.6 sec.1.6 sec.1.6 sec.1.6 sec.1.6 sec.1.6 sec.1.6 sec.
Significant height0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.6m (2ft)
Sea water temperature
Water temperature0°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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