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
Friday 5 December 202531°F to 38°Fnot recommended
Saturday 6 December 202538°F to 50°Fdiscouraged
Sunday 7 December 202547°F to 52°Fdiscouraged
Monday 8 December 202529°F to 47°Fdiscouraged
Tuesday 9 December 202534°F to 43°Fdiscouraged
Wednesday 10 December 202541°F to 45°Fdiscouraged
Thursday 11 December 202543°F to 49°Frecommended

Sea Weather: Your daily and hourly sea weather in Incheon

Sea weather on Friday 5 December 2025

On Friday 5 December 2025, the sun will rise at 07:33 and will set at 17:15 on the beach(es) of Incheon. The outside temperature will be a high of 38°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 21.8mph km/h (with gusts up to 24.9mph). 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 (31°F)-1°C (31°F)-0°C (31°F)0°C (32°F)-1°C (30°F)1°C (35°F)2°C (35°F)3°C (37°F)
Perceived temperature-8°C (18°F)-8°C (18°F)-7°C (19°F)-6°C (22°F)-6°C (20°F)-3°C (27°F)-1°C (30°F)3°C (37°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity66%58%58%56%52%52%53%53%
Barometric pressure1027 hPa1028 hPa1028 hPa1029 hPa1029 hPa1027 hPa1026 hPa1025 hPa
Cloud cover22%0%0%0%0%6%8%15%
Heat index-1°C (31°F)-1°C (31°F)-0°C (31°F)0°C (32°F)-1°C (30°F)1°C (35°F)2°C (35°F)3°C (37°F)
Dew point-6°C (21°F)-8°C (18°F)-8°C (18°F)-8°C (18°F)-9°C (15°F)-7°C (19°F)-7°C (20°F)-6°C (22°F)
Wind
Speed35km/h (21mph)34km/h (21mph)31km/h (19mph)23km/h (15mph)20km/h (13mph)17km/h (10mph)8km/h (5mph)1km/h (0mph)
Gusts40km/h (25mph)40km/h (25mph)37km/h (23mph)28km/h (18mph)37km/h (23mph)26km/h (16mph)15km/h (9mph)1km/h (1mph)
Direction 329°
NNW
326°
NW
320°
NW
334°
NNW
325°
NW
318°
NW
324°
NW
134°
SE
Wind chill-8°C (18°F)-8°C (18°F)-7°C (19°F)-6°C (22°F)-6°C (20°F)-3°C (27°F)-1°C (30°F)3°C (37°F)
Waves
Height0.7m (2.3ft)0.6m (1.9ft)0.5m (1.6ft)0.5m (1.5ft)0.4m (1.4ft)0.3m (1.0ft)0.2m (0.6ft)0.1m (0.5ft)
Direction 308°
NW
317°
NW
321°
NW
316°
NW
311°
NW
306°
NW
292°
WNW
260°
W
Period6.1 sec.6.1 sec.6.5 sec.6.4 sec.6.8 sec.5.9 sec.2.4 sec.3.5 sec.
Significant height1.3m (4.3ft)1.0m (3.3ft)0.9m (3ft)0.8m (2.6ft)0.7m (2.3ft)0.5m (1.6ft)0.3m (1ft)0.2m (0.7ft)
Sea water temperature
Water temperature12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)

Sea weather on Saturday 6 December 2025

On Saturday 6 December 2025, the sun will rise at 07:34 and will set at 17:15 on the beach(es) of Incheon. The outside temperature will be a high of 50°F t and a low of 38°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 25.5mph). Wave height will be up to 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature3°C (38°F)4°C (39°F)4°C (40°F)6°C (42°F)7°C (44°F)8°C (46°F)9°C (48°F)10°C (49°F)
Perceived temperature0°C (33°F)0°C (32°F)0°C (32°F)2°C (35°F)3°C (37°F)4°C (39°F)5°C (42°F)7°C (44°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity60%65%70%70%74%77%76%76%
Barometric pressure1024 hPa1024 hPa1022 hPa1022 hPa1020 hPa1018 hPa1018 hPa1018 hPa
Cloud cover47%86%100%98%100%93%70%73%
Heat index3°C (38°F)4°C (39°F)4°C (40°F)6°C (42°F)7°C (44°F)8°C (46°F)9°C (48°F)10°C (49°F)
Dew point-4°C (25°F)-2°C (28°F)-1°C (31°F)0°C (33°F)2°C (36°F)4°C (39°F)5°C (41°F)6°C (42°F)
Wind
Speed10km/h (6mph)15km/h (9mph)19km/h (12mph)20km/h (12mph)27km/h (17mph)27km/h (17mph)26km/h (16mph)24km/h (15mph)
Gusts15km/h (9mph)21km/h (13mph)26km/h (16mph)27km/h (17mph)37km/h (23mph)41km/h (26mph)29km/h (18mph)40km/h (25mph)
Direction 158°
SSE
168°
SSE
167°
SSE
187°
S
195°
SSW
203°
SSW
241°
WSW
249°
WSW
Wind chill0°C (33°F)0°C (32°F)0°C (32°F)2°C (35°F)3°C (37°F)4°C (39°F)5°C (42°F)7°C (44°F)
Waves
Height0.1m (0.5ft)0.3m (0.9ft)0.5m (1.6ft)0.6m (2.0ft)0.7m (2.4ft)0.8m (2.7ft)0.8m (2.5ft)0.7m (2.4ft)
Direction 258°
WSW
250°
WSW
241°
WSW
234°
SW
230°
SW
231°
SW
234°
SW
239°
WSW
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 height0.4m (1.3ft)0.5m (1.6ft)0.8m (2.6ft)1.0m (3.3ft)1.2m (3.9ft)1.3m (4.3ft)1.1m (3.6ft)1.1m (3.6ft)
Sea water temperature
Water temperature12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)

Sea weather on Sunday 7 December 2025

On Sunday 7 December 2025, the sun will rise at 07:35 and will set at 17:15 on the beach(es) of Incheon. 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 19.3mph km/h (with gusts up to 29.8mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature9°C (49°F)9°C (48°F)9°C (47°F)9°C (48°F)10°C (49°F)11°C (52°F)10°C (49°F)9°C (48°F)
Perceived temperature6°C (43°F)6°C (42°F)6°C (42°F)6°C (44°F)7°C (44°F)8°C (46°F)6°C (43°F)5°C (41°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity70%69%71%67%58%63%63%51%
Barometric pressure1019 hPa1019 hPa1020 hPa1021 hPa1021 hPa1019 hPa1020 hPa1022 hPa
Cloud cover2%7%20%0%5%33%53%88%
Heat index9°C (49°F)9°C (48°F)9°C (47°F)9°C (48°F)10°C (49°F)11°C (52°F)10°C (49°F)9°C (48°F)
Dew point4°C (39°F)3°C (38°F)4°C (38°F)3°C (38°F)2°C (35°F)4°C (40°F)3°C (38°F)-1°C (31°F)
Wind
Speed23km/h (14mph)21km/h (13mph)21km/h (13mph)17km/h (10mph)21km/h (13mph)27km/h (17mph)31km/h (19mph)30km/h (19mph)
Gusts36km/h (22mph)32km/h (20mph)33km/h (21mph)26km/h (16mph)34km/h (21mph)40km/h (25mph)48km/h (30mph)43km/h (27mph)
Direction 273°
W
275°
W
275°
W
266°
W
243°
WSW
244°
WSW
281°
W
303°
WNW
Wind chill6°C (43°F)6°C (42°F)6°C (42°F)6°C (44°F)7°C (44°F)8°C (46°F)6°C (43°F)5°C (41°F)
Waves
Height0.5m (1.8ft)0.5m (1.7ft)0.5m (1.5ft)0.4m (1.2ft)0.4m (1.4ft)0.5m (1.5ft)0.5m (1.8ft)0.6m (2.0ft)
Direction 260°
W
262°
W
265°
W
266°
W
260°
W
247°
WSW
259°
WSW
274°
W
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 height0.8m (2.6ft)0.8m (2.6ft)0.7m (2.3ft)0.5m (1.6ft)0.7m (2.3ft)0.7m (2.3ft)0.9m (3ft)1.1m (3.6ft)
Sea water temperature
Water temperature12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)

Sea weather on Monday 8 December 2025

On Monday 8 December 2025, the sun will rise at 07:36 and will set at 17:15 on the beach(es) of Incheon. The outside temperature will be a high of 47°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! The sea will be generally calm, with a wind speed of up to 21.8mph km/h (with gusts up to 29.2mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature8°C (46°F)6°C (43°F)4°C (39°F)3°C (37°F)1°C (34°F)1°C (34°F)-1°C (31°F)2°C (35°F)
Perceived temperature4°C (38°F)1°C (34°F)-2°C (29°F)-2°C (28°F)-5°C (24°F)-5°C (24°F)-7°C (19°F)-4°C (25°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity48%49%59%60%53%37%39%43%
Barometric pressure1023 hPa1026 hPa1027 hPa1029 hPa1029 hPa1029 hPa1030 hPa1031 hPa
Cloud cover19%33%15%0%0%0%0%0%
Heat index8°C (46°F)6°C (43°F)4°C (39°F)3°C (37°F)1°C (34°F)1°C (34°F)-1°C (31°F)2°C (35°F)
Dew point-2°C (28°F)-4°C (25°F)-4°C (25°F)-4°C (25°F)-7°C (19°F)-12°C (11°F)-13°C (9°F)-10°C (15°F)
Wind
Speed35km/h (22mph)33km/h (20mph)30km/h (19mph)27km/h (17mph)28km/h (17mph)28km/h (17mph)28km/h (18mph)24km/h (15mph)
Gusts47km/h (30mph)43km/h (27mph)38km/h (24mph)34km/h (21mph)33km/h (20mph)31km/h (19mph)31km/h (19mph)31km/h (19mph)
Direction 302°
WNW
317°
NW
328°
NNW
327°
NNW
321°
NW
323°
NW
337°
NNW
340°
NNW
Wind chill4°C (38°F)1°C (34°F)-2°C (29°F)-2°C (28°F)-5°C (24°F)-5°C (24°F)-7°C (19°F)-4°C (25°F)
Waves
Height0.7m (2.2ft)0.7m (2.2ft)0.5m (1.7ft)0.5m (1.6ft)0.5m (1.5ft)0.5m (1.7ft)0.6m (1.8ft)0.5m (1.6ft)
Direction 290°
WNW
307°
NW
318°
NW
314°
NW
312°
NW
300°
WNW
314°
NW
330°
NNW
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 height1.2m (3.9ft)1.2m (3.9ft)0.9m (3ft)0.9m (3ft)0.8m (2.6ft)1.0m (3.3ft)1.1m (3.6ft)0.9m (3ft)
Sea water temperature
Water temperature12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)

Sea weather on Tuesday 9 December 2025

On Tuesday 9 December 2025, the sun will rise at 07:36 and will set at 17:16 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 12.4mph 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 temperature2°C (35°F)2°C (35°F)1°C (34°F)2°C (35°F)4°C (39°F)6°C (42°F)6°C (42°F)6°C (42°F)
Perceived temperature-3°C (26°F)-3°C (27°F)-2°C (29°F)2°C (35°F)3°C (37°F)4°C (39°F)4°C (39°F)6°C (42°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity41%41%39%38%48%57%58%55%
Barometric pressure1031 hPa1031 hPa1030 hPa1031 hPa1031 hPa1029 hPa1030 hPa1029 hPa
Cloud cover0%0%2%1%58%62%42%0%
Heat index2°C (35°F)2°C (35°F)1°C (34°F)2°C (35°F)4°C (39°F)6°C (42°F)6°C (42°F)6°C (42°F)
Dew point-10°C (14°F)-10°C (14°F)-11°C (12°F)-11°C (12°F)-6°C (21°F)-2°C (28°F)-2°C (29°F)-3°C (27°F)
Wind
Speed20km/h (13mph)18km/h (11mph)10km/h (6mph)3km/h (2mph)5km/h (3mph)9km/h (5mph)9km/h (6mph)2km/h (1mph)
Gusts26km/h (16mph)24km/h (15mph)14km/h (8mph)4km/h (3mph)7km/h (4mph)12km/h (8mph)14km/h (9mph)3km/h (2mph)
Direction 343°
NNW
346°
NNW
11°
N
95°
E
219°
SW
261°
W
273°
W
291°
WNW
Wind chill-3°C (26°F)-3°C (27°F)-2°C (29°F)2°C (35°F)3°C (37°F)4°C (39°F)4°C (39°F)6°C (42°F)
Waves
Height0.4m (1.4ft)0.3m (1.0ft)0.2m (0.7ft)0.1m (0.4ft)0.1m (0.5ft)0.5m (1.7ft)0.4m (1.2ft)0.3m (1.1ft)
Direction 329°
NNW
338°
NNW
334°
NNW
314°
NW
261°
W
259°
W
259°
WSW
261°
W
Period3.5 sec.3.5 sec.3.7 sec.3.4 sec.3.3 sec.4.1 sec.3.8 sec.3.8 sec.
Significant height0.8m (2.6ft)0.6m (2ft)0.4m (1.3ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.1m (0.3ft)0.1m (0.3ft)
Sea water temperature
Water temperature12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)

Sea weather on Wednesday 10 December 2025

On Wednesday 10 December 2025, the sun will rise at 07:37 and will set at 17:16 on the beach(es) of Incheon. The outside temperature will be a high of 45°F t and a low of 41°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 6.8mph km/h (with gusts up to 9.3mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature5°C (42°F)5°C (41°F)5°C (41°F)5°C (41°F)6°C (43°F)7°C (45°F)7°C (44°F)7°C (45°F)
Perceived temperature5°C (41°F)3°C (37°F)3°C (37°F)2°C (36°F)4°C (39°F)6°C (43°F)6°C (43°F)6°C (42°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity58%64%66%67%65%64%67%68%
Barometric pressure1029 hPa1029 hPa1028 hPa1028 hPa1027 hPa1026 hPa1026 hPa1026 hPa
Cloud cover0%100%7%25%100%100%100%100%
Heat index5°C (42°F)5°C (41°F)5°C (41°F)5°C (41°F)6°C (43°F)7°C (45°F)7°C (44°F)7°C (45°F)
Dew point-2°C (28°F)-1°C (30°F)-1°C (30°F)-1°C (31°F)-0°C (32°F)1°C (33°F)1°C (34°F)1°C (35°F)
Wind
Speed4km/h (2mph)9km/h (5mph)9km/h (5mph)11km/h (7mph)9km/h (6mph)6km/h (4mph)5km/h (3mph)7km/h (4mph)
Gusts6km/h (4mph)13km/h (8mph)13km/h (8mph)15km/h (9mph)13km/h (8mph)9km/h (6mph)8km/h (5mph)10km/h (6mph)
Direction 149°
SSE
130°
SE
146°
SE
147°
SSE
176°
S
212°
SSW
198°
SSW
183°
S
Wind chill5°C (41°F)3°C (37°F)3°C (37°F)2°C (36°F)4°C (39°F)6°C (43°F)6°C (43°F)6°C (42°F)
Waves
Height0.3m (1.0ft)0.1m (0.4ft)0.4m (1.4ft)0.4m (1.5ft)0.1m (0.5ft)0.1m (0.4ft)0.1m (0.4ft)0.3m (1.0ft)
Direction 262°
W
261°
W
260°
W
258°
WSW
151°
SSE
157°
SSE
167°
SSE
179°
S
Period3.4 sec.3.3 sec.3.2 sec.3.0 sec.3.0 sec.2.0 sec.2.0 sec.2.0 sec.
Significant height0.1m (0.3ft)0.2m (0.7ft)0.1m (0.3ft)0.3m (1ft)0.3m (1ft)0.1m (0.3ft)0.2m (0.7ft)0.2m (0.7ft)
Sea water temperature
Water temperature12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)

Sea weather on Thursday 11 December 2025

On Thursday 11 December 2025, the sun will rise at 07:38 and will set at 17:16 on the beach(es) of Incheon. The outside temperature will be a high of 49°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 7.5mph km/h (with gusts up to 11.2mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature7°C (44°F)7°C (44°F)6°C (43°F)7°C (44°F)8°C (46°F)8°C (47°F)8°C (47°F)9°C (48°F)
Perceived temperature6°C (42°F)6°C (42°F)5°C (40°F)4°C (40°F)7°C (45°F)8°C (47°F)7°C (45°F)7°C (44°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity69%70%72%73%65%63%71%77%
Barometric pressure1025 hPa1026 hPa1026 hPa1026 hPa1026 hPa1026 hPa1027 hPa1028 hPa
Cloud cover100%21%57%57%10%14%33%88%
Heat index7°C (44°F)7°C (44°F)6°C (43°F)7°C (44°F)8°C (46°F)8°C (47°F)8°C (47°F)9°C (48°F)
Dew point2°C (35°F)2°C (35°F)2°C (35°F)2°C (36°F)1°C (34°F)2°C (35°F)4°C (38°F)5°C (41°F)
Wind
Speed7km/h (4mph)6km/h (4mph)7km/h (4mph)10km/h (6mph)5km/h (3mph)4km/h (3mph)8km/h (5mph)12km/h (8mph)
Gusts10km/h (6mph)9km/h (6mph)11km/h (7mph)15km/h (10mph)7km/h (5mph)7km/h (4mph)13km/h (8mph)18km/h (11mph)
Direction 162°
SSE
133°
SE
94°
E
105°
ESE
113°
ESE
301°
WNW
292°
WNW
309°
NW
Wind chill6°C (42°F)6°C (42°F)5°C (40°F)4°C (40°F)7°C (45°F)8°C (47°F)7°C (45°F)7°C (44°F)
Waves
Height0.3m (0.9ft)0.1m (0.3ft)0.2m (0.7ft)0.2m (0.5ft)0.1m (0.3ft)0.1m (0.5ft)0.5m (1.8ft)0.1m (0.3ft)
Direction 180°
S
266°
W
262°
W
256°
WSW
250°
WSW
246°
WSW
244°
WSW
242°
WSW
Period2.0 sec.2.0 sec.3.7 sec.3.8 sec.3.9 sec.4.0 sec.4.1 sec.4.1 sec.
Significant height0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.1m (0.3ft)0.2m (0.7ft)0.1m (0.3ft)0.1m (0.3ft)0.1m (0.3ft)
Sea water temperature
Water temperature12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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