Sea weather in Incheon in South Korea All the beach weather in Incheon

All the essential weather information for enjoying the beach in Incheon in South Korea, 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 Incheon over the next 7 days?

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

Date Outside temp. Our opinion
Sunday 14 December 202532°F to 38°Fnot recommended
Monday 15 December 202536°F to 45°Fdiscouraged
Tuesday 16 December 202545°F to 49°Frecommended
Wednesday 17 December 202534°F to 43°Fdiscouraged
Thursday 18 December 202534°F to 41°Fdiscouraged
Friday 19 December 202540°F to 47°Frecommended
Saturday 20 December 202543°F to 47°Frecommended

Sea Weather: Your daily and hourly sea weather in Incheon

Sea weather on Sunday 14 December 2025

On Sunday 14 December 2025, the sun will rise at 07:40 and will set at 17:16 on the beach(es) of Incheon. 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 19.3mph km/h (with gusts up to 26.7mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature2°C (35°F)2°C (35°F)2°C (35°F)2°C (36°F)2°C (36°F)2°C (36°F)2°C (35°F)3°C (37°F)
Perceived temperature-2°C (28°F)-2°C (28°F)-4°C (24°F)-4°C (25°F)-4°C (25°F)-4°C (26°F)-4°C (25°F)-2°C (28°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity65%77%74%68%63%57%56%57%
Barometric pressure1019 hPa1018 hPa1018 hPa1019 hPa1020 hPa1019 hPa1021 hPa1022 hPa
Cloud cover50%100%73%11%7%5%6%14%
Heat index2°C (35°F)2°C (35°F)2°C (35°F)2°C (36°F)2°C (36°F)2°C (36°F)2°C (35°F)3°C (37°F)
Dew point-4°C (25°F)-2°C (29°F)-3°C (27°F)-3°C (26°F)-4°C (24°F)-6°C (22°F)-6°C (21°F)-5°C (23°F)
Wind
Speed17km/h (11mph)16km/h (10mph)27km/h (17mph)31km/h (19mph)30km/h (19mph)30km/h (19mph)29km/h (18mph)26km/h (16mph)
Gusts23km/h (14mph)21km/h (13mph)35km/h (21mph)39km/h (24mph)43km/h (27mph)35km/h (22mph)32km/h (20mph)35km/h (22mph)
Direction 327°
NNW
329°
NNW
327°
NNW
317°
NW
311°
NW
308°
NW
314°
NW
323°
NW
Wind chill-2°C (28°F)-2°C (28°F)-4°C (24°F)-4°C (25°F)-4°C (25°F)-4°C (26°F)-4°C (25°F)-2°C (28°F)
Waves
Height0.3m (1.0ft)0.3m (0.9ft)0.4m (1.4ft)0.6m (1.8ft)0.5m (1.7ft)0.6m (1.9ft)0.6m (1.8ft)0.5m (1.6ft)
Direction 309°
NW
302°
WNW
315°
NW
302°
WNW
295°
WNW
289°
WNW
293°
WNW
303°
WNW
Period2.4 sec.2.4 sec.2.4 sec.2.4 sec.2.4 sec.2.4 sec.2.4 sec.2.4 sec.
Significant height0.6m (2ft)0.5m (1.6ft)0.8m (2.6ft)1.0m (3.3ft)0.8m (2.6ft)1.0m (3.3ft)0.9m (3ft)0.8m (2.6ft)
Sea water temperature
Water temperature10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)

Sea weather on Monday 15 December 2025

On Monday 15 December 2025, the sun will rise at 07:41 and will set at 17:17 on the beach(es) of Incheon. The outside temperature will be a high of 45°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 9.9mph km/h (with gusts up to 13.7mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature3°C (37°F)3°C (37°F)3°C (37°F)3°C (37°F)4°C (39°F)6°C (42°F)6°C (43°F)7°C (44°F)
Perceived temperature-1°C (29°F)-1°C (31°F)0°C (32°F)3°C (37°F)1°C (35°F)3°C (38°F)4°C (39°F)4°C (39°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity56%56%56%56%59%62%59%63%
Barometric pressure1023 hPa1024 hPa1024 hPa1026 hPa1026 hPa1024 hPa1024 hPa1024 hPa
Cloud cover11%21%4%11%40%91%59%100%
Heat index3°C (37°F)3°C (37°F)3°C (37°F)3°C (37°F)4°C (39°F)6°C (42°F)6°C (43°F)7°C (44°F)
Dew point-5°C (22°F)-5°C (22°F)-5°C (23°F)-5°C (23°F)-3°C (26°F)-1°C (30°F)-1°C (30°F)0°C (32°F)
Wind
Speed16km/h (10mph)11km/h (7mph)9km/h (5mph)2km/h (1mph)10km/h (6mph)10km/h (6mph)12km/h (7mph)14km/h (9mph)
Gusts22km/h (13mph)16km/h (10mph)12km/h (8mph)3km/h (2mph)14km/h (9mph)14km/h (9mph)18km/h (11mph)21km/h (13mph)
Direction 331°
NNW
335°
NNW
332°
NNW
73°
ENE
157°
SSE
177°
S
232°
SW
201°
SSW
Wind chill-1°C (29°F)-1°C (31°F)0°C (32°F)3°C (37°F)1°C (35°F)3°C (38°F)4°C (39°F)4°C (39°F)
Waves
Height0.4m (1.3ft)0.3m (1.0ft)0.2m (0.7ft)0.2m (0.6ft)0.1m (0.5ft)0.3m (0.9ft)0.3m (1.0ft)0.4m (1.4ft)
Direction 313°
NW
308°
NW
258°
WSW
245°
WSW
245°
WSW
251°
WSW
232°
SW
228°
SW
Period2.4 sec.4.2 sec.4.1 sec.3.9 sec.3.8 sec.3.8 sec.3.8 sec.3.8 sec.
Significant height0.6m (2ft)0.5m (1.6ft)0.4m (1.3ft)0.3m (1ft)0.2m (0.7ft)0.5m (1.6ft)0.5m (1.6ft)0.7m (2.3ft)
Sea water temperature
Water temperature10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)

Sea weather on Tuesday 16 December 2025

On Tuesday 16 December 2025, the sun will rise at 07:42 and will set at 17:17 on the beach(es) of Incheon. The outside temperature will be a high of 49°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 9.3mph km/h (with gusts up to 14.3mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature7°C (44°F)7°C (45°F)8°C (46°F)8°C (47°F)8°C (47°F)9°C (47°F)8°C (46°F)7°C (45°F)
Perceived temperature4°C (39°F)5°C (40°F)5°C (42°F)6°C (43°F)7°C (44°F)6°C (44°F)6°C (42°F)6°C (43°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity71%70%72%75%73%70%67%69%
Barometric pressure1023 hPa1023 hPa1022 hPa1022 hPa1021 hPa1021 hPa1022 hPa1022 hPa
Cloud cover100%100%81%56%87%73%23%95%
Heat index7°C (44°F)7°C (45°F)8°C (46°F)8°C (47°F)8°C (47°F)9°C (47°F)8°C (46°F)7°C (45°F)
Dew point2°C (35°F)2°C (36°F)3°C (38°F)4°C (39°F)4°C (38°F)3°C (38°F)2°C (35°F)2°C (36°F)
Wind
Speed15km/h (10mph)14km/h (9mph)15km/h (10mph)10km/h (6mph)9km/h (5mph)13km/h (8mph)10km/h (6mph)7km/h (4mph)
Gusts22km/h (13mph)20km/h (13mph)23km/h (14mph)15km/h (9mph)13km/h (8mph)19km/h (12mph)17km/h (10mph)10km/h (6mph)
Direction 185°
S
224°
SW
230°
SW
239°
WSW
273°
W
291°
WNW
299°
WNW
344°
NNW
Wind chill4°C (39°F)5°C (40°F)5°C (42°F)6°C (43°F)7°C (44°F)6°C (44°F)6°C (42°F)6°C (43°F)
Waves
Height0.6m (1.9ft)0.6m (2.0ft)0.5m (1.8ft)0.4m (1.3ft)0.3m (1.0ft)0.2m (0.8ft)0.2m (0.7ft)0.2m (0.7ft)
Direction 231°
SW
237°
WSW
246°
WSW
265°
W
270°
W
277°
W
237°
WSW
236°
SW
Period3.8 sec.3.8 sec.3.8 sec.3.8 sec.5.6 sec.5.7 sec.5.7 sec.5.6 sec.
Significant height0.9m (3ft)0.9m (3ft)0.8m (2.6ft)0.5m (1.6ft)0.5m (1.6ft)0.4m (1.3ft)0.4m (1.3ft)0.3m (1ft)
Sea water temperature
Water temperature10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)

Sea weather on Wednesday 17 December 2025

On Wednesday 17 December 2025, the sun will rise at 07:42 and will set at 17:17 on the beach(es) of Incheon. The outside temperature will be a high of 43°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 11.2mph km/h (with gusts up to 16.2mph). Wave height will be up to 1ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature6°C (44°F)6°C (42°F)5°C (40°F)4°C (39°F)3°C (37°F)3°C (37°F)2°C (35°F)5°C (40°F)
Perceived temperature4°C (40°F)3°C (37°F)1°C (34°F)1°C (34°F)-1°C (31°F)-1°C (30°F)-3°C (27°F)2°C (35°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity77%80%80%75%68%61%64%68%
Barometric pressure1022 hPa1023 hPa1023 hPa1024 hPa1025 hPa1024 hPa1025 hPa1027 hPa
Cloud cover37%100%3%6%0%0%0%0%
Heat index6°C (44°F)6°C (42°F)5°C (40°F)4°C (39°F)3°C (37°F)3°C (37°F)2°C (35°F)5°C (40°F)
Dew point3°C (37°F)2°C (36°F)1°C (34°F)0°C (32°F)-2°C (28°F)-4°C (25°F)-4°C (24°F)-1°C (31°F)
Wind
Speed9km/h (6mph)13km/h (8mph)14km/h (9mph)13km/h (8mph)14km/h (9mph)17km/h (10mph)18km/h (11mph)12km/h (7mph)
Gusts14km/h (8mph)18km/h (11mph)19km/h (12mph)18km/h (11mph)26km/h (16mph)21km/h (13mph)23km/h (14mph)17km/h (10mph)
Direction
N
353°
N
356°
N
349°
N
338°
NNW
332°
NNW
339°
NNW
337°
NNW
Wind chill4°C (40°F)3°C (37°F)1°C (34°F)1°C (34°F)-1°C (31°F)-1°C (30°F)-3°C (27°F)2°C (35°F)
Waves
Height0.2m (0.5ft)0.1m (0.5ft)0.1m (0.5ft)0.1m (0.5ft)0.1m (0.5ft)0.2m (0.6ft)0.2m (0.8ft)0.3m (1.0ft)
Direction 235°
SW
234°
SW
233°
SW
233°
SW
231°
SW
343°
NNW
334°
NNW
332°
NNW
Period5.6 sec.5.5 sec.5.5 sec.5.3 sec.5.2 sec.5.1 sec.5.1 sec.5.1 sec.
Significant height0.3m (1ft)0.3m (1ft)0.3m (1ft)0.3m (1ft)0.3m (1ft)0.4m (1.3ft)0.5m (1.6ft)0.6m (2ft)
Sea water temperature
Water temperature10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)

Sea weather on Thursday 18 December 2025

On Thursday 18 December 2025, the sun will rise at 07:43 and will set at 17:18 on the beach(es) of Incheon. The outside temperature will be a high of 41°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 4.4mph km/h (with gusts up to 6.2mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature4°C (39°F)4°C (39°F)3°C (38°F)4°C (39°F)3°C (37°F)4°C (39°F)2°C (35°F)5°C (41°F)
Perceived temperature2°C (36°F)2°C (36°F)3°C (37°F)4°C (39°F)3°C (37°F)3°C (37°F)1°C (33°F)5°C (41°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity69%71%72%71%64%56%53%52%
Barometric pressure1027 hPa1027 hPa1027 hPa1028 hPa1028 hPa1026 hPa1026 hPa1026 hPa
Cloud cover2%2%4%0%0%3%0%0%
Heat index4°C (39°F)4°C (39°F)3°C (38°F)4°C (39°F)3°C (37°F)4°C (39°F)2°C (35°F)5°C (41°F)
Dew point-1°C (30°F)-1°C (30°F)-1°C (30°F)-1°C (30°F)-3°C (26°F)-4°C (24°F)-7°C (19°F)-4°C (25°F)
Wind
Speed7km/h (4mph)6km/h (4mph)4km/h (2mph)1km/h (1mph)3km/h (2mph)5km/h (3mph)4km/h (2mph)3km/h (2mph)
Gusts10km/h (6mph)9km/h (6mph)6km/h (4mph)2km/h (1mph)5km/h (3mph)9km/h (6mph)8km/h (5mph)4km/h (2mph)
Direction 347°
NNW
356°
N
56°
NE
57°
ENE
248°
WSW
280°
W
276°
W
153°
SSE
Wind chill2°C (36°F)2°C (36°F)3°C (37°F)4°C (39°F)3°C (37°F)3°C (37°F)1°C (33°F)5°C (41°F)
Waves
Height0.2m (0.7ft)0.1m (0.5ft)0.4m (1.2ft)0.4m (1.2ft)0.3m (1.1ft)0.4m (1.2ft)0.2m (0.5ft)0.3m (1.0ft)
Direction 330°
NNW
333°
NNW
272°
W
267°
W
265°
W
261°
W
260°
W
257°
WSW
Period3.3 sec.3.4 sec.3.4 sec.3.4 sec.3.3 sec.3.2 sec.3.1 sec.3.0 sec.
Significant height0.4m (1.3ft)0.3m (1ft)0.2m (0.7ft)0.2m (0.7ft)0.1m (0.3ft)0.1m (0.3ft)0.1m (0.3ft)0.1m (0.3ft)
Sea water temperature
Water temperature10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)

Sea weather on Friday 19 December 2025

On Friday 19 December 2025, the sun will rise at 07:43 and will set at 17:18 on the beach(es) of Incheon. The outside temperature will be a high of 47°F t and a low of 40°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 8.1mph km/h (with gusts up to 16.2mph). Wave height will be up to 1ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature5°C (41°F)5°C (41°F)4°C (40°F)5°C (40°F)4°C (39°F)5°C (40°F)4°C (39°F)8°C (46°F)
Perceived temperature4°C (39°F)3°C (37°F)2°C (36°F)2°C (35°F)1°C (34°F)2°C (36°F)2°C (35°F)6°C (43°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity54%60%64%64%57%52%54%58%
Barometric pressure1025 hPa1025 hPa1024 hPa1025 hPa1024 hPa1023 hPa1023 hPa1023 hPa
Cloud cover0%1%33%0%2%0%0%0%
Heat index5°C (41°F)5°C (41°F)4°C (40°F)5°C (40°F)4°C (39°F)5°C (40°F)4°C (39°F)8°C (46°F)
Dew point-3°C (26°F)-2°C (28°F)-2°C (29°F)-2°C (29°F)-4°C (25°F)-4°C (24°F)-4°C (24°F)-0°C (32°F)
Wind
Speed6km/h (4mph)9km/h (5mph)9km/h (6mph)12km/h (7mph)13km/h (8mph)10km/h (6mph)9km/h (5mph)9km/h (5mph)
Gusts8km/h (5mph)13km/h (8mph)14km/h (9mph)17km/h (10mph)26km/h (16mph)20km/h (13mph)18km/h (11mph)14km/h (9mph)
Direction 128°
SE
134°
SE
140°
SE
140°
SE
157°
SSE
161°
SSE
159°
SSE
134°
SE
Wind chill4°C (39°F)3°C (37°F)2°C (36°F)2°C (35°F)1°C (34°F)2°C (36°F)2°C (35°F)6°C (43°F)
Waves
Height0.3m (1.0ft)0.1m (0.3ft)0.1m (0.5ft)0.2m (0.6ft)0.2m (0.6ft)0.1m (0.5ft)0.1m (0.4ft)0.2m (0.5ft)
Direction 257°
WSW
9999°
176°
S
167°
SSE
177°
S
235°
SW
237°
WSW
112°
ESE
Period3.0 sec.3.0 sec.3.0 sec.3.0 sec.2.4 sec.3.2 sec.3.4 sec.3.6 sec.
Significant height0.1m (0.3ft)0.3m (1ft)0.3m (1ft)0.4m (1.3ft)0.3m (1ft)0.3m (1ft)0.3m (1ft)0.4m (1.3ft)
Sea water temperature
Water temperature10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)

Sea weather on Saturday 20 December 2025

On Saturday 20 December 2025, the sun will rise at 07:44 and will set at 17:19 on the beach(es) of Incheon. The outside temperature will be a high of 47°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 11.2mph km/h (with gusts up to 16.2mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature7°C (45°F)7°C (44°F)6°C (43°F)6°C (43°F)8°C (47°F)8°C (47°F)8°C (46°F)7°C (45°F)
Perceived temperature4°C (40°F)4°C (39°F)4°C (39°F)4°C (39°F)7°C (44°F)6°C (43°F)5°C (41°F)4°C (39°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity55%61%64%68%65%67%71%76%
Barometric pressure1023 hPa1023 hPa1023 hPa1024 hPa1024 hPa1024 hPa1026 hPa1028 hPa
Cloud cover38%0%35%20%50%88%82%36%
Heat index7°C (45°F)7°C (44°F)6°C (43°F)6°C (43°F)8°C (47°F)8°C (47°F)8°C (46°F)7°C (45°F)
Dew point-1°C (30°F)-0°C (31°F)0°C (32°F)1°C (33°F)2°C (36°F)3°C (37°F)3°C (37°F)3°C (38°F)
Wind
Speed14km/h (9mph)12km/h (7mph)11km/h (7mph)10km/h (6mph)9km/h (6mph)14km/h (9mph)14km/h (9mph)18km/h (11mph)
Gusts23km/h (14mph)19km/h (12mph)19km/h (12mph)17km/h (11mph)15km/h (9mph)21km/h (13mph)23km/h (14mph)26km/h (16mph)
Direction 118°
ESE
104°
ESE
90°
E
85°
E
102°
ESE
351°
N
360°
N
353°
N
Wind chill4°C (40°F)4°C (39°F)4°C (39°F)4°C (39°F)7°C (44°F)6°C (43°F)5°C (41°F)4°C (39°F)
Waves
Height0.1m (0.5ft)0.1m (0.4ft)0.1m (0.3ft)0.1m (0.3ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.1m (0.4ft)
Direction 99°
E
243°
WSW
241°
WSW
239°
WSW
237°
WSW
236°
SW
234°
SW

N
Period4.1 sec.4.7 sec.4.9 sec.5.0 sec.4.9 sec.4.9 sec.4.7 sec.4.6 sec.
Significant height0.3m (1ft)0.3m (1ft)0.2m (0.7ft)0.3m (1ft)0.1m (0.3ft)0.2m (0.7ft)0.3m (1ft)0.3m (1ft)
Sea water temperature
Water temperature10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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