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
Monday 20 July 202672°F to 76°Fdiscouraged
Tuesday 21 July 202674°F to 76°Fdiscouraged
Wednesday 22 July 202672°F to 76°Fdiscouraged
Thursday 23 July 202674°F to 77°Frecommended
Friday 24 July 202674°F to 79°Frecommended
Saturday 25 July 202676°F to 79°Frecommended
Sunday 26 July 202676°F to 79°Frecommended

Sea Weather: Your daily and hourly sea weather in Incheon

Sea weather on Monday 20 July 2026

On Monday 20 July 2026, the sun will rise at 05:28 and will set at 19:52 on the beach(es) of Incheon. The outside temperature will be a high of 76°F t and a low of 72°F. Precipitation is in the forecast (0.5in throughout the day): choose the right time to go to the beach and dodge the raindrops. 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 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature24°C (74°F)23°C (74°F)23°C (74°F)23°C (73°F)22°C (72°F)23°C (73°F)23°C (74°F)23°C (74°F)
Perceived temperature25°C (78°F)25°C (78°F)25°C (78°F)25°C (77°F)25°C (76°F)25°C (77°F)25°C (78°F)26°C (79°F)
Precipitation0in0in0in0.1in0.3in0in0.1in0in
Humidity81%82%84%91%97%94%94%96%
Barometric pressure1005 hPa1006 hPa1007 hPa1007 hPa1007 hPa1006 hPa1005 hPa1005 hPa
Cloud cover45%58%85%85%100%86%78%72%
Heat index25°C (78°F)25°C (78°F)25°C (78°F)25°C (77°F)25°C (76°F)25°C (77°F)25°C (78°F)26°C (79°F)
Dew point20°C (68°F)20°C (68°F)20°C (68°F)21°C (70°F)22°C (71°F)22°C (71°F)22°C (72°F)23°C (73°F)
Wind
Speed3km/h (2mph)1km/h (1mph)1km/h (1mph)5km/h (3mph)12km/h (7mph)10km/h (6mph)9km/h (6mph)10km/h (6mph)
Gusts5km/h (3mph)2km/h (1mph)2km/h (1mph)7km/h (4mph)18km/h (11mph)17km/h (10mph)16km/h (10mph)18km/h (11mph)
Direction 176°
S
165°
SSE
327°
NNW
40°
NE
18°
NNE
16°
NNE
50°
NE
109°
ESE
Wind chill24°C (74°F)23°C (74°F)23°C (74°F)23°C (73°F)22°C (72°F)23°C (73°F)23°C (74°F)23°C (74°F)
Waves
Height0.3m (1.1ft)0.4m (1.3ft)0.5m (1.7ft)0.3m (1.0ft)0.1m (0.5ft)0.2m (0.6ft)0.5m (1.6ft)0.6m (1.8ft)
Direction 290°
WNW
290°
WNW
318°
NW
316°
NW
340°
NNW
345°
NNW
339°
NNW
15°
NNE
Period1.7 sec.1.7 sec.1.7 sec.1.7 sec.1.7 sec.1.7 sec.1.7 sec.1.6 sec.
Significant height0.2m (0.7ft)0.1m (0.3ft)0.2m (0.7ft)0.2m (0.7ft)0.5m (1.6ft)0.4m (1.3ft)0.3m (1ft)0.2m (0.7ft)
Sea water temperature
Water temperature20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)

Sea weather on Tuesday 21 July 2026

On Tuesday 21 July 2026, the sun will rise at 05:29 and will set at 19:51 on the beach(es) of Incheon. The outside temperature will be a high of 76°F t and a low of 74°F. Precipitation is in the forecast (0.4in throughout the day): choose the right time to go to the beach and dodge the raindrops. The sea will be generally calm, with a wind speed of up to 14.9mph km/h (with gusts up to 26.1mph). Wave height will be up to 1ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature24°C (74°F)24°C (75°F)24°C (74°F)23°C (74°F)23°C (74°F)24°C (75°F)24°C (74°F)23°C (74°F)
Perceived temperature26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (78°F)26°C (79°F)26°C (79°F)26°C (78°F)
Precipitation0in0.1in0.1in0.1in0in0in0in0in
Humidity98%96%97%98%99%95%93%95%
Barometric pressure1005 hPa1005 hPa1004 hPa1006 hPa1006 hPa1006 hPa1006 hPa1007 hPa
Cloud cover100%100%100%100%100%69%67%66%
Heat index26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (78°F)26°C (79°F)26°C (79°F)26°C (78°F)
Dew point23°C (74°F)23°C (73°F)23°C (73°F)23°C (74°F)23°C (73°F)23°C (73°F)22°C (72°F)23°C (73°F)
Wind
Speed13km/h (8mph)19km/h (12mph)24km/h (15mph)15km/h (9mph)17km/h (11mph)12km/h (8mph)9km/h (6mph)5km/h (3mph)
Gusts22km/h (14mph)36km/h (22mph)42km/h (26mph)26km/h (16mph)29km/h (18mph)21km/h (13mph)16km/h (10mph)9km/h (6mph)
Direction 176°
S
187°
S
206°
SSW
204°
SSW
213°
SSW
246°
WSW
259°
W
242°
WSW
Wind chill24°C (74°F)24°C (75°F)24°C (74°F)23°C (74°F)23°C (74°F)24°C (75°F)24°C (74°F)23°C (74°F)
Waves
Height0.1m (0.4ft)0.2m (0.7ft)0.3m (1.0ft)0.3m (1.1ft)0.3m (1.0ft)0.2m (0.6ft)0.1m (0.4ft)0.3m (0.9ft)
Direction 137°
SE
139°
SE
186°
S
204°
SSW
210°
SSW
223°
SW
232°
SW
193°
SSW
Period1.6 sec.1.6 sec.1.6 sec.1.6 sec.1.6 sec.1.6 sec.2.2 sec.2.2 sec.
Significant height0.4m (1.3ft)0.6m (2ft)0.6m (2ft)0.7m (2.3ft)0.6m (2ft)0.3m (1ft)0.3m (1ft)0.3m (1ft)
Sea water temperature
Water temperature20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)

Sea weather on Wednesday 22 July 2026

On Wednesday 22 July 2026, the sun will rise at 05:30 and will set at 19:50 on the beach(es) of Incheon. The outside temperature will be a high of 76°F t and a low of 72°F. Precipitation is in the forecast (0.4in throughout the day): choose the right time to go to the beach and dodge the raindrops. The sea will be generally calm, with a wind speed of up to 9.9mph km/h (with gusts up to 16.8mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature24°C (74°F)24°C (74°F)23°C (74°F)24°C (74°F)24°C (74°F)22°C (72°F)24°C (74°F)24°C (75°F)
Perceived temperature26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)25°C (76°F)26°C (78°F)26°C (79°F)
Precipitation0in0in0in0.3in0.1in0in0in0in
Humidity96%96%98%98%96%90%90%94%
Barometric pressure1007 hPa1008 hPa1008 hPa1008 hPa1008 hPa1008 hPa1007 hPa1008 hPa
Cloud cover91%100%100%100%100%100%79%65%
Heat index26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)25°C (76°F)26°C (78°F)26°C (79°F)
Dew point23°C (73°F)23°C (73°F)23°C (73°F)23°C (74°F)23°C (73°F)20°C (69°F)22°C (71°F)23°C (73°F)
Wind
Speed5km/h (3mph)5km/h (3mph)5km/h (3mph)8km/h (5mph)3km/h (2mph)16km/h (10mph)10km/h (6mph)8km/h (5mph)
Gusts8km/h (5mph)9km/h (6mph)8km/h (5mph)14km/h (9mph)5km/h (3mph)27km/h (17mph)18km/h (11mph)14km/h (8mph)
Direction 196°
SSW
217°
SW
167°
SSE
169°
SSE

N
39°
NE
77°
ENE
136°
SE
Wind chill24°C (74°F)24°C (74°F)23°C (74°F)24°C (74°F)24°C (74°F)22°C (72°F)24°C (74°F)24°C (75°F)
Waves
Height0.1m (0.4ft)0.2m (0.8ft)0.1m (0.3ft)0.1m (0.4ft)0.6m (1.8ft)0.1m (0.5ft)0.1m (0.4ft)0.1m (0.4ft)
Direction 218°
SW
219°
SW
222°
SW
167°
SSE
211°
SSW
240°
WSW
239°
WSW
235°
SW
Period2.2 sec.2.2 sec.2.1 sec.2.1 sec.2.1 sec.2.1 sec.2.1 sec.2.1 sec.
Significant height0.3m (1ft)0.2m (0.7ft)0.2m (0.7ft)0.3m (1ft)0.3m (1ft)0.4m (1.3ft)0.3m (1ft)0.3m (1ft)
Sea water temperature
Water temperature20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)

Sea weather on Thursday 23 July 2026

On Thursday 23 July 2026, the sun will rise at 05:30 and will set at 19:50 on the beach(es) of Incheon. The outside temperature will be a high of 77°F t and a low of 74°F. Precipitation is in the forecast (0.3in throughout the day): choose the right time to go to the beach and dodge the raindrops. The sea will be generally calm, with a wind speed of up to 11.8mph 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 temperature24°C (75°F)23°C (74°F)23°C (74°F)24°C (74°F)24°C (75°F)25°C (77°F)25°C (78°F)25°C (76°F)
Perceived temperature26°C (79°F)26°C (79°F)26°C (78°F)26°C (79°F)27°C (80°F)28°C (82°F)28°C (82°F)27°C (81°F)
Precipitation0in0in0.2in0in0in0in0in0in
Humidity97%98%99%97%93%87%87%92%
Barometric pressure1008 hPa1007 hPa1007 hPa1008 hPa1009 hPa1008 hPa1008 hPa1010 hPa
Cloud cover78%92%100%88%54%100%81%90%
Heat index26°C (79°F)26°C (79°F)26°C (78°F)26°C (79°F)27°C (80°F)28°C (82°F)28°C (82°F)27°C (81°F)
Dew point23°C (74°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (74°F)23°C (74°F)
Wind
Speed11km/h (7mph)10km/h (6mph)16km/h (10mph)19km/h (12mph)18km/h (11mph)17km/h (11mph)16km/h (10mph)10km/h (6mph)
Gusts19km/h (12mph)19km/h (12mph)27km/h (17mph)32km/h (20mph)33km/h (21mph)32km/h (20mph)30km/h (19mph)19km/h (12mph)
Direction 160°
SSE
131°
SE
163°
SSE
151°
SSE
177°
S
207°
SSW
209°
SSW
173°
S
Wind chill24°C (75°F)23°C (74°F)23°C (74°F)24°C (74°F)24°C (75°F)25°C (77°F)25°C (78°F)25°C (76°F)
Waves
Height0.1m (0.4ft)0.3m (0.8ft)0.1m (0.4ft)0.1m (0.4ft)0.3m (0.9ft)0.3m (1.0ft)0.2m (0.8ft)0.1m (0.4ft)
Direction 227°
SW
227°
SW
141°
SE
134°
SE
205°
SSW
222°
SW
227°
SW
229°
SW
Period2.1 sec.2.3 sec.2.2 sec.2.2 sec.2.2 sec.2.2 sec.2.2 sec.2.2 sec.
Significant height0.3m (1ft)0.3m (1ft)0.3m (1ft)0.4m (1.3ft)0.7m (2.3ft)0.6m (2ft)0.4m (1.3ft)0.2m (0.7ft)
Sea water temperature
Water temperature22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)

Sea weather on Friday 24 July 2026

On Friday 24 July 2026, the sun will rise at 05:31 and will set at 19:49 on the beach(es) of Incheon. The outside temperature will be a high of 79°F t and a low of 74°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 10.6mph km/h (with gusts up to 18.6mph). Wave height will be up to 0.7ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature24°C (76°F)24°C (75°F)24°C (75°F)25°C (77°F)23°C (73°F)26°C (78°F)25°C (77°F)25°C (76°F)
Perceived temperature27°C (81°F)26°C (80°F)26°C (79°F)28°C (82°F)25°C (77°F)28°C (83°F)27°C (81°F)27°C (81°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity94%94%94%88%81%83%86%91%
Barometric pressure1010 hPa1010 hPa1010 hPa1011 hPa1011 hPa1010 hPa1010 hPa1011 hPa
Cloud cover37%49%71%52%11%16%13%13%
Heat index27°C (81°F)26°C (80°F)26°C (79°F)28°C (82°F)25°C (77°F)28°C (83°F)27°C (81°F)27°C (81°F)
Dew point23°C (74°F)23°C (73°F)23°C (73°F)23°C (74°F)19°C (67°F)23°C (73°F)22°C (72°F)23°C (73°F)
Wind
Speed10km/h (6mph)11km/h (7mph)11km/h (7mph)13km/h (8mph)12km/h (7mph)17km/h (10mph)12km/h (8mph)6km/h (4mph)
Gusts19km/h (12mph)21km/h (13mph)20km/h (13mph)21km/h (13mph)25km/h (16mph)30km/h (19mph)24km/h (15mph)11km/h (7mph)
Direction 142°
SE
137°
SE
138°
SE
159°
SSE
204°
SSW
246°
WSW
246°
WSW
268°
W
Wind chill24°C (76°F)24°C (75°F)24°C (75°F)25°C (77°F)23°C (73°F)26°C (78°F)25°C (77°F)25°C (76°F)
Waves
Height0.1m (0.4ft)0.1m (0.4ft)0.1m (0.4ft)0.1m (0.4ft)0.1m (0.4ft)0.2m (0.7ft)0.2m (0.7ft)0.1m (0.4ft)
Direction 187°
S
173°
S
159°
SSE
168°
SSE
183°
S
237°
WSW
242°
WSW
239°
WSW
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 height0.3m (1ft)0.3m (1ft)0.3m (1ft)0.4m (1.3ft)0.3m (1ft)0.6m (2ft)0.4m (1.3ft)0.2m (0.7ft)
Sea water temperature
Water temperature22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)

Sea weather on Saturday 25 July 2026

On Saturday 25 July 2026, the sun will rise at 05:32 and will set at 19:48 on the beach(es) of Incheon. The outside temperature will be a high of 79°F t and a low of 76°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 13.1mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature24°C (76°F)24°C (75°F)24°C (74°F)25°C (76°F)25°C (77°F)26°C (79°F)26°C (78°F)25°C (77°F)
Perceived temperature27°C (80°F)26°C (79°F)26°C (79°F)27°C (81°F)27°C (81°F)28°C (83°F)29°C (83°F)28°C (82°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity93%94%93%87%83%81%85%90%
Barometric pressure1011 hPa1010 hPa1011 hPa1012 hPa1012 hPa1010 hPa1010 hPa1010 hPa
Cloud cover24%28%26%44%16%15%32%37%
Heat index27°C (80°F)26°C (79°F)26°C (79°F)27°C (81°F)27°C (81°F)28°C (83°F)29°C (83°F)28°C (82°F)
Dew point23°C (73°F)23°C (73°F)22°C (72°F)22°C (72°F)22°C (71°F)22°C (72°F)23°C (74°F)23°C (74°F)
Wind
Speed8km/h (5mph)7km/h (4mph)6km/h (4mph)8km/h (5mph)10km/h (6mph)13km/h (8mph)13km/h (8mph)9km/h (5mph)
Gusts14km/h (9mph)13km/h (8mph)11km/h (7mph)12km/h (7mph)17km/h (11mph)21km/h (13mph)20km/h (13mph)14km/h (9mph)
Direction 178°
S
170°
S
171°
S
185°
S
232°
SW
249°
WSW
257°
WSW
265°
W
Wind chill24°C (76°F)24°C (75°F)24°C (74°F)25°C (76°F)25°C (77°F)26°C (79°F)26°C (78°F)25°C (77°F)
Waves
Height0.6m (2.0ft)0.5m (1.6ft)0.5m (1.7ft)0.4m (1.2ft)0.2m (0.8ft)0.1m (0.4ft)0.1m (0.5ft)0.2m (0.5ft)
Direction 239°
WSW
234°
SW
228°
SW
160°
SSE
216°
SW
260°
W
260°
W
254°
WSW
Period2.2 sec.2.0 sec.2.0 sec.2.0 sec.2.0 sec.2.0 sec.2.0 sec.2.0 sec.
Significant height0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.3m (1ft)0.2m (0.7ft)0.4m (1.3ft)0.4m (1.3ft)0.2m (0.7ft)
Sea water temperature
Water temperature22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)

Sea weather on Sunday 26 July 2026

On Sunday 26 July 2026, the sun will rise at 05:33 and will set at 19:48 on the beach(es) of Incheon. The outside temperature will be a high of 79°F t and a low of 76°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 13.1mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (76°F)24°C (75°F)24°C (75°F)25°C (77°F)25°C (77°F)26°C (78°F)26°C (78°F)25°C (77°F)
Perceived temperature27°C (81°F)27°C (80°F)26°C (79°F)27°C (81°F)28°C (82°F)28°C (83°F)28°C (83°F)28°C (82°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity93%94%95%90%86%85%87%89%
Barometric pressure1009 hPa1009 hPa1010 hPa1010 hPa1009 hPa1008 hPa1008 hPa1008 hPa
Cloud cover48%60%84%78%73%33%23%15%
Heat index27°C (81°F)27°C (80°F)26°C (79°F)27°C (81°F)28°C (82°F)28°C (83°F)28°C (83°F)28°C (82°F)
Dew point23°C (74°F)23°C (74°F)23°C (73°F)23°C (74°F)23°C (73°F)23°C (73°F)23°C (74°F)23°C (73°F)
Wind
Speed5km/h (3mph)7km/h (4mph)4km/h (2mph)7km/h (4mph)11km/h (7mph)14km/h (9mph)12km/h (7mph)8km/h (5mph)
Gusts9km/h (6mph)11km/h (7mph)7km/h (4mph)11km/h (7mph)18km/h (11mph)21km/h (13mph)19km/h (12mph)14km/h (9mph)
Direction 211°
SSW
204°
SSW
228°
SW
204°
SSW
249°
WSW
264°
W
280°
W
270°
W
Wind chill25°C (76°F)24°C (75°F)24°C (75°F)25°C (77°F)25°C (77°F)26°C (78°F)26°C (78°F)25°C (77°F)
Waves
Height0.3m (0.9ft)0.3m (0.9ft)0.4m (1.3ft)0.3m (0.9ft)0.4m (1.4ft)0.1m (0.4ft)0.1m (0.4ft)0.1m (0.4ft)
Direction 250°
WSW
248°
WSW
249°
WSW
252°
WSW
245°
WSW
273°
W
276°
W
277°
W
Period1.9 sec.1.9 sec.1.9 sec.1.9 sec.1.9 sec.1.9 sec.1.9 sec.1.9 sec.
Significant height0.2m (0.7ft)0.1m (0.3ft)0.2m (0.7ft)0.1m (0.3ft)0.3m (1ft)0.4m (1.3ft)0.3m (1ft)0.2m (0.7ft)
Sea water temperature
Water temperature22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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