Sea weather in Istanbul in Turkey All the beach weather in Istanbul

All the essential weather information for enjoying the beach in Istanbul in Turkey, 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 Istanbul over the next 7 days?

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

Date Outside temp. Our opinion
Saturday 13 December 202549°F to 56°Fdiscouraged
Sunday 14 December 202543°F to 52°Fdiscouraged
Monday 15 December 202545°F to 52°Fdiscouraged
Tuesday 16 December 202547°F to 52°Fdiscouraged
Wednesday 17 December 202547°F to 52°Fdiscouraged
Thursday 18 December 202549°F to 52°Frecommended
Friday 19 December 202549°F to 54°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Istanbul

Sea weather on Saturday 13 December 2025

On Saturday 13 December 2025, the sun will rise at 08:30 and will set at 17:49 on the beach(es) of Istanbul. The outside temperature will be a high of 56°F t and a low of 49°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 24.9mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature10°C (49°F)9°C (48°F)9°C (47°F)11°C (52°F)12°C (54°F)11°C (51°F)9°C (48°F)9°C (49°F)
Perceived temperature7°C (44°F)6°C (43°F)5°C (42°F)8°C (47°F)10°C (50°F)8°C (47°F)6°C (43°F)6°C (44°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity82%84%84%71%61%67%75%79%
Barometric pressure1024 hPa1025 hPa1026 hPa1027 hPa1026 hPa1026 hPa1027 hPa1028 hPa
Cloud cover16%26%4%4%11%8%8%6%
Heat index10°C (49°F)9°C (48°F)9°C (47°F)11°C (52°F)12°C (54°F)11°C (51°F)9°C (48°F)9°C (49°F)
Dew point7°C (44°F)7°C (44°F)6°C (43°F)6°C (43°F)5°C (41°F)5°C (41°F)5°C (41°F)6°C (43°F)
Wind
Speed21km/h (13mph)22km/h (14mph)22km/h (14mph)26km/h (16mph)27km/h (17mph)23km/h (15mph)23km/h (14mph)22km/h (14mph)
Gusts32km/h (20mph)34km/h (21mph)35km/h (22mph)33km/h (20mph)40km/h (25mph)25km/h (15mph)26km/h (16mph)34km/h (21mph)
Direction 36°
NE
38°
NE
36°
NE
39°
NE
48°
NE
40°
NE
51°
NE
47°
NE
Wind chill7°C (44°F)6°C (43°F)5°C (42°F)8°C (47°F)10°C (50°F)8°C (47°F)6°C (43°F)6°C (44°F)
Waves
Height0.4m (1.4ft)0.5m (1.8ft)0.6m (2.1ft)0.6m (2.0ft)0.6m (2.0ft)0.6m (2.0ft)0.6m (2.0ft)0.6m (1.9ft)
Direction 63°
ENE
49°
NE
46°
NE
56°
ENE
60°
ENE
63°
ENE
61°
ENE
66°
ENE
Period3.5 sec.3.5 sec.3.5 sec.3.5 sec.3.5 sec.3.5 sec.3.5 sec.3.5 sec.
Significant height0.7m (2.3ft)0.9m (3ft)0.9m (3ft)0.8m (2.6ft)0.9m (3ft)0.8m (2.6ft)0.9m (3ft)0.8m (2.6ft)
Sea water temperature
Water temperature16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)

Sea weather on Sunday 14 December 2025

On Sunday 14 December 2025, the sun will rise at 08:30 and will set at 17:49 on the beach(es) of Istanbul. The outside temperature will be a high of 52°F t and a low of 43°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 19.9mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature9°C (48°F)8°C (47°F)8°C (46°F)10°C (50°F)10°C (50°F)8°C (46°F)6°C (43°F)9°C (49°F)
Perceived temperature6°C (42°F)5°C (41°F)5°C (41°F)8°C (46°F)8°C (47°F)6°C (43°F)4°C (39°F)7°C (45°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity83%85%86%73%63%65%69%73%
Barometric pressure1027 hPa1026 hPa1026 hPa1026 hPa1025 hPa1024 hPa1025 hPa1026 hPa
Cloud cover14%5%2%2%3%0%0%2%
Heat index9°C (48°F)8°C (47°F)8°C (46°F)10°C (50°F)10°C (50°F)8°C (46°F)6°C (43°F)9°C (49°F)
Dew point6°C (43°F)6°C (42°F)6°C (42°F)5°C (42°F)3°C (38°F)2°C (35°F)1°C (34°F)5°C (40°F)
Wind
Speed21km/h (13mph)19km/h (12mph)19km/h (12mph)17km/h (11mph)13km/h (8mph)10km/h (6mph)10km/h (6mph)12km/h (8mph)
Gusts32km/h (20mph)30km/h (19mph)29km/h (18mph)22km/h (14mph)21km/h (13mph)21km/h (13mph)20km/h (13mph)20km/h (13mph)
Direction 36°
NE
33°
NNE
34°
NE
45°
NE
51°
NE
38°
NE
28°
NNE
32°
NNE
Wind chill6°C (42°F)5°C (41°F)5°C (41°F)8°C (46°F)8°C (47°F)6°C (43°F)4°C (39°F)7°C (45°F)
Waves
Height0.5m (1.8ft)0.4m (1.4ft)0.4m (1.2ft)0.4m (1.2ft)0.3m (0.9ft)0.2m (0.6ft)0.1m (0.5ft)0.1m (0.5ft)
Direction 68°
ENE
52°
NE
39°
NE
41°
NE
44°
NE
41°
NE
80°
E
39°
NE
Period3.5 sec.5.2 sec.5.2 sec.5.2 sec.4.6 sec.4.5 sec.4.2 sec.4.2 sec.
Significant height0.7m (2.3ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)0.4m (1.3ft)0.3m (1ft)0.3m (1ft)0.4m (1.3ft)
Sea water temperature
Water temperature16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)

Sea weather on Monday 15 December 2025

On Monday 15 December 2025, the sun will rise at 08:31 and will set at 17:49 on the beach(es) of Istanbul. The outside temperature will be a high of 52°F t and a low of 45°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 21.8mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature9°C (48°F)8°C (46°F)8°C (46°F)10°C (50°F)10°C (51°F)10°C (49°F)8°C (47°F)9°C (48°F)
Perceived temperature6°C (43°F)5°C (41°F)4°C (40°F)7°C (44°F)8°C (46°F)7°C (45°F)5°C (42°F)7°C (44°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity79%82%84%69%62%67%72%76%
Barometric pressure1026 hPa1026 hPa1027 hPa1028 hPa1027 hPa1027 hPa1028 hPa1028 hPa
Cloud cover3%5%10%0%4%5%4%0%
Heat index9°C (48°F)8°C (46°F)8°C (46°F)10°C (50°F)10°C (51°F)10°C (49°F)8°C (47°F)9°C (48°F)
Dew point5°C (41°F)5°C (41°F)5°C (41°F)4°C (40°F)3°C (38°F)4°C (39°F)3°C (38°F)5°C (41°F)
Wind
Speed16km/h (10mph)18km/h (11mph)20km/h (12mph)23km/h (14mph)19km/h (12mph)18km/h (11mph)17km/h (11mph)16km/h (10mph)
Gusts26km/h (16mph)29km/h (18mph)31km/h (19mph)29km/h (18mph)30km/h (18mph)34km/h (21mph)35km/h (22mph)26km/h (16mph)
Direction 37°
NE
38°
NE
39°
NE
41°
NE
50°
NE
48°
NE
50°
NE
53°
NE
Wind chill6°C (43°F)5°C (41°F)4°C (40°F)7°C (44°F)8°C (46°F)7°C (45°F)5°C (42°F)7°C (44°F)
Waves
Height0.2m (0.7ft)0.4m (1.2ft)0.6m (1.9ft)0.7m (2.2ft)0.6m (2.0ft)0.6m (1.9ft)0.6m (2.1ft)0.6m (2.0ft)
Direction 37°
NE
33°
NNE
34°
NE
34°
NE
40°
NE
46°
NE
56°
NE
65°
ENE
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 height0.5m (1.6ft)0.8m (2.6ft)1.0m (3.3ft)1.0m (3.3ft)0.9m (3ft)0.9m (3ft)0.9m (3ft)0.8m (2.6ft)
Sea water temperature
Water temperature16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)

Sea weather on Tuesday 16 December 2025

On Tuesday 16 December 2025, the sun will rise at 08:32 and will set at 17:50 on the beach(es) of Istanbul. The outside temperature will be a high of 52°F t and a low of 47°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 22.4mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature9°C (47°F)8°C (46°F)8°C (46°F)10°C (50°F)10°C (51°F)10°C (50°F)8°C (47°F)9°C (49°F)
Perceived temperature6°C (43°F)6°C (42°F)5°C (41°F)8°C (46°F)8°C (46°F)7°C (45°F)5°C (41°F)6°C (43°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity78%79%80%69%58%63%71%73%
Barometric pressure1028 hPa1028 hPa1028 hPa1028 hPa1027 hPa1027 hPa1028 hPa1028 hPa
Cloud cover2%4%2%1%2%5%5%4%
Heat index9°C (47°F)8°C (46°F)8°C (46°F)10°C (50°F)10°C (51°F)10°C (50°F)8°C (47°F)9°C (49°F)
Dew point5°C (41°F)5°C (40°F)5°C (41°F)5°C (40°F)2°C (36°F)3°C (38°F)3°C (38°F)5°C (41°F)
Wind
Speed16km/h (10mph)14km/h (9mph)17km/h (11mph)18km/h (11mph)19km/h (12mph)20km/h (13mph)23km/h (14mph)23km/h (14mph)
Gusts25km/h (16mph)24km/h (15mph)28km/h (17mph)23km/h (14mph)32km/h (20mph)21km/h (13mph)29km/h (18mph)36km/h (22mph)
Direction 49°
NE
42°
NE
50°
NE
47°
NE
50°
NE
43°
NE
52°
NE
52°
NE
Wind chill6°C (43°F)6°C (42°F)5°C (41°F)8°C (46°F)8°C (46°F)7°C (45°F)5°C (41°F)6°C (43°F)
Waves
Height0.5m (1.6ft)0.4m (1.3ft)0.4m (1.2ft)0.5m (1.7ft)0.6m (1.9ft)0.5m (1.8ft)0.6m (2.0ft)0.6m (2.1ft)
Direction 67°
ENE
53°
NE
55°
NE
69°
ENE
69°
ENE
74°
ENE
71°
ENE
67°
ENE
Period4.2 sec.5.2 sec.5.2 sec.5.2 sec.5.2 sec.5.2 sec.5.2 sec.5.2 sec.
Significant height0.6m (2ft)0.6m (2ft)0.7m (2.3ft)0.8m (2.6ft)0.7m (2.3ft)0.8m (2.6ft)0.9m (3ft)0.9m (3ft)
Sea water temperature
Water temperature16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)

Sea weather on Wednesday 17 December 2025

On Wednesday 17 December 2025, the sun will rise at 08:32 and will set at 17:50 on the beach(es) of Istanbul. The outside temperature will be a high of 52°F t and a low of 47°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 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature9°C (47°F)8°C (46°F)8°C (46°F)10°C (51°F)10°C (51°F)11°C (53°F)10°C (51°F)10°C (50°F)
Perceived temperature5°C (42°F)5°C (40°F)4°C (40°F)8°C (46°F)8°C (46°F)9°C (49°F)8°C (47°F)8°C (46°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity79%82%84%70%61%68%73%78%
Barometric pressure1029 hPa1029 hPa1029 hPa1030 hPa1029 hPa1029 hPa1029 hPa1030 hPa
Cloud cover3%3%0%0%0%98%100%98%
Heat index9°C (47°F)8°C (46°F)8°C (46°F)10°C (51°F)10°C (51°F)11°C (53°F)10°C (51°F)10°C (50°F)
Dew point5°C (41°F)5°C (41°F)5°C (41°F)5°C (41°F)3°C (38°F)6°C (42°F)6°C (42°F)6°C (43°F)
Wind
Speed22km/h (13mph)20km/h (13mph)21km/h (13mph)19km/h (12mph)22km/h (13mph)18km/h (11mph)16km/h (10mph)15km/h (9mph)
Gusts34km/h (21mph)32km/h (20mph)33km/h (21mph)25km/h (15mph)29km/h (18mph)29km/h (18mph)27km/h (17mph)25km/h (15mph)
Direction 39°
NE
37°
NE
46°
NE
45°
NE
59°
ENE
52°
NE
48°
NE
49°
NE
Wind chill5°C (42°F)5°C (40°F)4°C (40°F)8°C (46°F)8°C (46°F)9°C (49°F)8°C (47°F)8°C (46°F)
Waves
Height0.7m (2.2ft)0.7m (2.2ft)0.5m (1.8ft)0.5m (1.7ft)0.5m (1.6ft)0.4m (1.3ft)0.3m (1.1ft)0.3m (1.0ft)
Direction 66°
ENE
67°
ENE
64°
ENE
46°
NE
51°
NE
57°
ENE
44°
NE
49°
NE
Period5.2 sec.5.2 sec.5.2 sec.5.2 sec.5.2 sec.5.2 sec.5.2 sec.5.2 sec.
Significant height0.9m (3ft)0.8m (2.6ft)0.7m (2.3ft)0.8m (2.6ft)0.8m (2.6ft)0.6m (2ft)0.6m (2ft)0.5m (1.6ft)
Sea water temperature
Water temperature16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)

Sea weather on Thursday 18 December 2025

On Thursday 18 December 2025, the sun will rise at 08:33 and will set at 17:50 on the beach(es) of Istanbul. The outside temperature will be a high of 52°F t and a low of 49°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 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature9°C (49°F)9°C (48°F)9°C (48°F)11°C (51°F)11°C (51°F)11°C (52°F)10°C (51°F)10°C (51°F)
Perceived temperature7°C (45°F)7°C (44°F)7°C (44°F)9°C (49°F)9°C (49°F)10°C (50°F)9°C (48°F)9°C (48°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity81%82%82%71%59%63%70%72%
Barometric pressure1030 hPa1030 hPa1030 hPa1031 hPa1030 hPa1030 hPa1031 hPa1031 hPa
Cloud cover7%100%32%0%0%5%15%33%
Heat index9°C (49°F)9°C (48°F)9°C (48°F)11°C (51°F)11°C (51°F)11°C (52°F)10°C (51°F)10°C (51°F)
Dew point6°C (43°F)6°C (43°F)6°C (43°F)6°C (42°F)3°C (37°F)4°C (39°F)5°C (41°F)6°C (42°F)
Wind
Speed14km/h (9mph)14km/h (9mph)14km/h (9mph)13km/h (8mph)9km/h (6mph)9km/h (6mph)12km/h (7mph)12km/h (7mph)
Gusts22km/h (14mph)23km/h (14mph)22km/h (14mph)17km/h (10mph)17km/h (11mph)18km/h (11mph)23km/h (14mph)20km/h (13mph)
Direction 40°
NE
51°
NE
58°
ENE
51°
NE
54°
NE
62°
ENE
57°
ENE
43°
NE
Wind chill7°C (45°F)7°C (44°F)7°C (44°F)9°C (49°F)9°C (49°F)10°C (50°F)9°C (48°F)9°C (48°F)
Waves
Height0.2m (0.7ft)0.2m (0.6ft)0.1m (0.5ft)0.2m (0.7ft)0.5m (1.7ft)0.5m (1.7ft)0.3m (1.1ft)0.2m (0.8ft)
Direction 52°
NE
48°
NE
53°
NE
59°
ENE
61°
ENE
73°
ENE
9999°
54°
NE
Period5.2 sec.5.2 sec.5.2 sec.5.2 sec.5.2 sec.5.2 sec.5.2 sec.5.2 sec.
Significant height0.4m (1.3ft)0.4m (1.3ft)0.3m (1ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.4m (1.3ft)0.6m (2ft)
Sea water temperature
Water temperature16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)

Sea weather on Friday 19 December 2025

On Friday 19 December 2025, the sun will rise at 08:34 and will set at 17:51 on the beach(es) of Istanbul. The outside temperature will be a high of 54°F t and a low of 49°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 20.5mph). Wave height will be up to 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature10°C (50°F)10°C (49°F)10°C (49°F)11°C (51°F)12°C (54°F)11°C (51°F)10°C (49°F)9°C (49°F)
Perceived temperature8°C (47°F)7°C (45°F)7°C (45°F)8°C (47°F)10°C (50°F)8°C (47°F)7°C (44°F)7°C (44°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity71%72%74%69%63%68%73%81%
Barometric pressure1030 hPa1029 hPa1029 hPa1029 hPa1027 hPa1026 hPa1026 hPa1026 hPa
Cloud cover100%45%100%100%100%9%13%6%
Heat index10°C (50°F)10°C (49°F)10°C (49°F)11°C (51°F)12°C (54°F)11°C (51°F)10°C (49°F)9°C (49°F)
Dew point5°C (41°F)5°C (41°F)5°C (41°F)5°C (42°F)5°C (42°F)5°C (41°F)5°C (41°F)6°C (43°F)
Wind
Speed15km/h (10mph)18km/h (11mph)18km/h (11mph)21km/h (13mph)19km/h (12mph)18km/h (11mph)22km/h (13mph)21km/h (13mph)
Gusts25km/h (16mph)30km/h (19mph)29km/h (18mph)27km/h (17mph)27km/h (17mph)32km/h (20mph)26km/h (16mph)33km/h (21mph)
Direction 57°
ENE
51°
NE
56°
ENE
47°
NE
53°
NE
54°
NE
58°
ENE
45°
NE
Wind chill8°C (47°F)7°C (45°F)7°C (45°F)8°C (47°F)10°C (50°F)8°C (47°F)7°C (44°F)7°C (44°F)
Waves
Height0.4m (1.2ft)0.6m (1.9ft)0.7m (2.3ft)0.6m (2.0ft)0.6m (1.9ft)0.6m (2.1ft)0.8m (2.7ft)0.8m (2.8ft)
Direction 62°
ENE
64°
ENE
64°
ENE
68°
ENE
66°
ENE
65°
ENE
75°
ENE
67°
ENE
Period5.2 sec.5.2 sec.5.2 sec.5.2 sec.5.2 sec.5.2 sec.5.2 sec.5.2 sec.
Significant height0.7m (2.3ft)1.0m (3.3ft)0.9m (3ft)0.8m (2.6ft)0.8m (2.6ft)1.0m (3.3ft)1.1m (3.6ft)1.1m (3.6ft)
Sea water temperature
Water temperature16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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