Sea weather in Ansan-si in South Korea All the beach weather in Ansan-si

All the essential weather information for enjoying the beach in Ansan-si 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 Ansan-si over the next 7 days?

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

Date Outside temp. Our opinion
Saturday 18 July 202670°F to 76°Fnot recommended
Sunday 19 July 202674°F to 74°Frecommended
Monday 20 July 202674°F to 76°Frecommended
Tuesday 21 July 202672°F to 76°Fdiscouraged
Wednesday 22 July 202674°F to 79°Frecommended
Thursday 23 July 202674°F to 77°Frecommended
Friday 24 July 202676°F to 76°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Ansan-si

Sea weather on Saturday 18 July 2026

On Saturday 18 July 2026, the sun will rise at 05:27 and will set at 19:53 on the beach(es) of Ansan-si. The outside temperature will be a high of 76°F t and a low of 70°F. A total of 1.5in of precipitation could spoil your day at the beach. The sea will be generally calm, with a wind speed of up to 16.2mph km/h (with gusts up to 25.5mph). 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 (74°F)21°C (70°F)21°C (70°F)23°C (73°F)23°C (73°F)23°C (74°F)23°C (74°F)
Perceived temperature27°C (81°F)26°C (79°F)21°C (70°F)21°C (70°F)25°C (77°F)25°C (77°F)25°C (78°F)25°C (78°F)
Precipitation0.1in0.5in0.9in0in0in0in0in0in
Humidity96%99%96%94%89%90%90%90%
Barometric pressure1000 hPa998 hPa999 hPa1000 hPa1000 hPa1000 hPa1000 hPa1001 hPa
Cloud cover100%100%100%65%100%100%100%100%
Heat index27°C (81°F)26°C (79°F)24°C (76°F)21°C (70°F)25°C (77°F)25°C (77°F)25°C (78°F)25°C (78°F)
Dew point24°C (74°F)23°C (74°F)21°C (69°F)20°C (68°F)21°C (69°F)21°C (70°F)21°C (70°F)21°C (71°F)
Wind
Speed8km/h (5mph)10km/h (6mph)26km/h (16mph)26km/h (16mph)15km/h (9mph)14km/h (9mph)15km/h (9mph)14km/h (9mph)
Gusts12km/h (7mph)19km/h (12mph)41km/h (26mph)29km/h (18mph)24km/h (15mph)22km/h (14mph)24km/h (15mph)24km/h (15mph)
Direction 117°
ESE
191°
S
25°
NNE
85°
E
94°
E
67°
ENE
78°
ENE
90°
E
Wind chill24°C (76°F)24°C (74°F)21°C (70°F)21°C (70°F)23°C (73°F)23°C (73°F)23°C (74°F)23°C (74°F)
Waves
Height0.5m (1.6ft)0.2m (0.6ft)0.6m (1.9ft)0.1m (0.5ft)0.1m (0.4ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.8ft)
Direction 267°
W
170°
S
219°
SW
228°
SW
155°
SSE
122°
ESE
83°
E
86°
E
Period1.9 sec.1.9 sec.1.9 sec.2.3 sec.2.1 sec.2.1 sec.2.1 sec.2.1 sec.
Significant height0.2m (0.7ft)0.6m (2ft)1.2m (3.9ft)0.2m (0.7ft)0.4m (1.3ft)0.4m (1.3ft)0.6m (2ft)0.7m (2.3ft)
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 Sunday 19 July 2026

On Sunday 19 July 2026, the sun will rise at 05:27 and will set at 19:52 on the beach(es) of Ansan-si. The outside temperature will be a high of 74°F t and a low of 74°F. Precipitation is in the forecast (0.2in 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 15.5mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature23°C (73°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)
Perceived temperature25°C (77°F)25°C (77°F)25°C (78°F)25°C (78°F)25°C (77°F)25°C (77°F)26°C (78°F)26°C (78°F)
Precipitation0in0in0in0in0.1in0.1in0in0in
Humidity91%95%95%96%97%97%95%98%
Barometric pressure1001 hPa1001 hPa1001 hPa1002 hPa1003 hPa1002 hPa1002 hPa1003 hPa
Cloud cover84%100%100%100%100%100%100%100%
Heat index25°C (77°F)25°C (77°F)25°C (78°F)25°C (78°F)25°C (77°F)25°C (77°F)26°C (78°F)26°C (78°F)
Dew point21°C (71°F)22°C (71°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)23°C (73°F)23°C (73°F)
Wind
Speed14km/h (9mph)14km/h (9mph)16km/h (10mph)14km/h (9mph)13km/h (8mph)9km/h (6mph)7km/h (4mph)8km/h (5mph)
Gusts23km/h (15mph)22km/h (14mph)25km/h (16mph)23km/h (14mph)22km/h (13mph)16km/h (10mph)13km/h (8mph)14km/h (8mph)
Direction 93°
E
102°
ESE
108°
ESE
135°
SE
144°
SE
136°
SE
140°
SE
169°
S
Wind chill23°C (73°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)
Waves
Height0.2m (0.7ft)0.3m (1.1ft)0.5m (1.7ft)0.1m (0.3ft)0.1m (0.5ft)0.2m (0.6ft)0.5m (1.5ft)0.6m (2.0ft)
Direction 94°
E
96°
E
87°
E
88°
E
85°
E
89°
E
91°
E
101°
E
Period2.1 sec.2.1 sec.2.1 sec.2.1 sec.2.1 sec.2.1 sec.2.1 sec.2.1 sec.
Significant height0.5m (1.6ft)0.2m (0.7ft)0.2m (0.7ft)0.4m (1.3ft)0.5m (1.6ft)0.5m (1.6ft)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 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 Ansan-si. The outside temperature will be a high of 76°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 7.5mph km/h (with gusts up to 11.8mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature23°C (74°F)23°C (74°F)23°C (73°F)23°C (74°F)24°C (74°F)24°C (75°F)23°C (74°F)23°C (74°F)
Perceived temperature26°C (78°F)25°C (78°F)25°C (77°F)25°C (78°F)26°C (78°F)26°C (79°F)25°C (78°F)25°C (78°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity97%94%93%92%88%82%84%83%
Barometric pressure1004 hPa1004 hPa1005 hPa1006 hPa1006 hPa1006 hPa1006 hPa1006 hPa
Cloud cover100%70%63%58%98%66%53%45%
Heat index26°C (78°F)25°C (78°F)25°C (77°F)25°C (78°F)26°C (78°F)26°C (79°F)25°C (78°F)25°C (78°F)
Dew point23°C (73°F)22°C (72°F)22°C (71°F)22°C (71°F)21°C (70°F)21°C (69°F)21°C (69°F)20°C (69°F)
Wind
Speed12km/h (7mph)9km/h (6mph)9km/h (5mph)6km/h (4mph)6km/h (4mph)7km/h (4mph)3km/h (2mph)1km/h (0mph)
Gusts19km/h (12mph)14km/h (9mph)14km/h (9mph)10km/h (6mph)10km/h (6mph)12km/h (7mph)5km/h (3mph)1km/h (1mph)
Direction 214°
SW
216°
SW
220°
SW
217°
SW
198°
SSW
210°
SSW
255°
WSW
179°
S
Wind chill23°C (74°F)23°C (74°F)23°C (73°F)23°C (74°F)24°C (74°F)24°C (75°F)23°C (74°F)23°C (74°F)
Waves
Height0.1m (0.4ft)0.3m (0.9ft)0.5m (1.5ft)0.5m (1.5ft)0.5m (1.5ft)0.4m (1.2ft)0.1m (0.4ft)0.3m (0.9ft)
Direction 99°
E
254°
WSW
247°
WSW
242°
WSW
239°
WSW
234°
SW
247°
WSW
252°
WSW
Period2.1 sec.2.1 sec.1.5 sec.1.5 sec.1.5 sec.1.5 sec.1.5 sec.1.7 sec.
Significant height0.2m (0.7ft)0.2m (0.7ft)0.1m (0.3ft)0.2m (0.7ft)0.2m (0.7ft)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 Ansan-si. 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 7.5mph km/h (with gusts up to 11.2mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature23°C (74°F)23°C (73°F)22°C (72°F)22°C (71°F)22°C (72°F)23°C (73°F)23°C (74°F)24°C (74°F)
Perceived temperature25°C (78°F)25°C (77°F)25°C (76°F)22°C (71°F)25°C (76°F)25°C (78°F)26°C (78°F)26°C (79°F)
Precipitation0in0in0in0.4in0in0in0in0in
Humidity83%86%89%96%93%91%93%94%
Barometric pressure1006 hPa1006 hPa1006 hPa1006 hPa1007 hPa1006 hPa1006 hPa1007 hPa
Cloud cover93%100%100%100%98%100%93%100%
Heat index25°C (78°F)25°C (77°F)25°C (76°F)24°C (76°F)25°C (76°F)25°C (78°F)26°C (78°F)26°C (79°F)
Dew point20°C (69°F)20°C (69°F)20°C (69°F)21°C (70°F)21°C (70°F)22°C (71°F)22°C (71°F)22°C (72°F)
Wind
Speed3km/h (2mph)1km/h (1mph)7km/h (4mph)8km/h (5mph)12km/h (7mph)10km/h (6mph)11km/h (7mph)9km/h (6mph)
Gusts5km/h (3mph)2km/h (1mph)11km/h (7mph)12km/h (7mph)18km/h (11mph)15km/h (10mph)18km/h (11mph)15km/h (9mph)
Direction 23°
NNE
32°
NNE
29°
NNE
68°
ENE
88°
E
77°
ENE
104°
ESE
142°
SE
Wind chill23°C (74°F)23°C (73°F)22°C (72°F)22°C (71°F)22°C (72°F)23°C (73°F)23°C (74°F)24°C (74°F)
Waves
Height0.2m (0.7ft)0.4m (1.4ft)0.4m (1.2ft)0.4m (1.2ft)0.2m (0.6ft)0.1m (0.3ft)0.1m (0.4ft)0.4m (1.3ft)
Direction 256°
WSW
265°
W
270°
W
272°
W
244°
WSW
255°
WSW
273°
W
276°
W
Period1.7 sec.1.7 sec.1.7 sec.1.7 sec.1.7 sec.1.7 sec.1.7 sec.1.8 sec.
Significant height0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.3m (1ft)0.3m (1ft)0.4m (1.3ft)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 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 Ansan-si. 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 9.3mph 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)23°C (74°F)23°C (74°F)24°C (75°F)25°C (77°F)26°C (78°F)26°C (78°F)24°C (75°F)
Perceived temperature26°C (79°F)26°C (78°F)26°C (78°F)26°C (80°F)28°C (82°F)28°C (83°F)28°C (83°F)26°C (80°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity96%97%97%94%87%85%87%95%
Barometric pressure1007 hPa1007 hPa1008 hPa1008 hPa1008 hPa1007 hPa1007 hPa1007 hPa
Cloud cover100%100%100%96%65%49%64%59%
Heat index26°C (79°F)26°C (78°F)26°C (78°F)26°C (80°F)28°C (82°F)28°C (83°F)28°C (83°F)26°C (80°F)
Dew point23°C (73°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 (73°F)
Wind
Speed12km/h (8mph)9km/h (6mph)10km/h (6mph)13km/h (8mph)9km/h (6mph)15km/h (9mph)9km/h (6mph)10km/h (6mph)
Gusts20km/h (13mph)15km/h (9mph)17km/h (11mph)20km/h (13mph)17km/h (10mph)27km/h (17mph)16km/h (10mph)17km/h (11mph)
Direction 164°
SSE
171°
S
146°
SE
147°
SSE
187°
S
244°
WSW
223°
SW
170°
S
Wind chill24°C (74°F)23°C (74°F)23°C (74°F)24°C (75°F)25°C (77°F)26°C (78°F)26°C (78°F)24°C (75°F)
Waves
Height0.5m (1.6ft)0.4m (1.4ft)0.4m (1.4ft)0.3m (1.1ft)0.1m (0.3ft)0.1m (0.4ft)0.6m (1.8ft)0.1m (0.3ft)
Direction 276°
W
242°
WSW
231°
SW
134°
SE
138°
SE
279°
W
279°
W
251°
WSW
Period1.8 sec.1.8 sec.1.8 sec.1.8 sec.1.8 sec.1.8 sec.1.8 sec.1.8 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)0.3m (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 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 Ansan-si. The outside temperature will be a high of 77°F t and a low of 74°F. Precipitation is in the forecast (0.2in 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 8.7mph 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)23°C (74°F)23°C (74°F)25°C (76°F)24°C (76°F)25°C (77°F)25°C (76°F)24°C (76°F)
Perceived temperature26°C (79°F)26°C (78°F)26°C (78°F)27°C (81°F)27°C (81°F)28°C (82°F)27°C (81°F)27°C (81°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity97%97%96%90%92%91%92%94%
Barometric pressure1008 hPa1007 hPa1007 hPa1007 hPa1008 hPa1007 hPa1007 hPa1008 hPa
Cloud cover91%90%90%92%100%89%80%94%
Heat index26°C (79°F)26°C (78°F)26°C (78°F)27°C (81°F)27°C (81°F)28°C (82°F)27°C (81°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 (74°F)23°C (74°F)23°C (74°F)
Wind
Speed12km/h (7mph)10km/h (6mph)11km/h (7mph)12km/h (7mph)9km/h (6mph)14km/h (9mph)14km/h (9mph)12km/h (7mph)
Gusts19km/h (12mph)18km/h (11mph)20km/h (12mph)20km/h (12mph)17km/h (10mph)27km/h (17mph)25km/h (16mph)22km/h (13mph)
Direction 169°
SSE
155°
SSE
139°
SE
154°
SSE
196°
SSW
209°
SSW
210°
SSW
187°
S
Wind chill24°C (74°F)23°C (74°F)23°C (74°F)25°C (76°F)24°C (76°F)25°C (77°F)25°C (76°F)24°C (76°F)
Waves
Height0.1m (0.3ft)0.1m (0.3ft)0.6m (1.8ft)0.3m (1.1ft)0.1m (0.4ft)0.2m (0.7ft)0.3m (1.0ft)0.2m (0.7ft)
Direction 241°
WSW
233°
SW
148°
SSE
147°
SSE
192°
SSW
218°
SW
217°
SW
218°
SW
Period1.8 sec.1.8 sec.1.8 sec.1.8 sec.1.8 sec.1.8 sec.1.8 sec.1.8 sec.
Significant height0.1m (0.3ft)0.2m (0.7ft)0.3m (1ft)0.3m (1ft)0.4m (1.3ft)0.6m (2ft)0.6m (2ft)0.4m (1.3ft)
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 Ansan-si. The outside temperature will be a high of 76°F t and a low of 76°F. Precipitation is in the forecast (0.2in 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 13.1mph km/h (with gusts up to 22.4mph). Wave height will be up to 1ft 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)24°C (75°F)24°C (76°F)24°C (75°F)24°C (75°F)24°C (74°F)
Perceived temperature27°C (80°F)26°C (80°F)26°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)26°C (79°F)26°C (79°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity95%94%95%94%95%95%95%98%
Barometric pressure1008 hPa1007 hPa1007 hPa1008 hPa1009 hPa1009 hPa1008 hPa1009 hPa
Cloud cover100%100%100%100%82%64%60%84%
Heat index27°C (80°F)26°C (80°F)26°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)26°C (79°F)26°C (79°F)
Dew point23°C (74°F)23°C (73°F)23°C (74°F)23°C (73°F)23°C (74°F)23°C (74°F)23°C (73°F)23°C (74°F)
Wind
Speed14km/h (9mph)17km/h (11mph)19km/h (12mph)18km/h (11mph)21km/h (13mph)14km/h (9mph)15km/h (9mph)8km/h (5mph)
Gusts25km/h (16mph)30km/h (19mph)33km/h (21mph)34km/h (21mph)36km/h (23mph)27km/h (17mph)28km/h (18mph)15km/h (9mph)
Direction 157°
SSE
152°
SSE
186°
S
180°
S
199°
SSW
219°
SW
226°
SW
213°
SSW
Wind chill24°C (76°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (76°F)24°C (75°F)24°C (75°F)24°C (74°F)
Waves
Height0.2m (0.6ft)0.2m (0.5ft)0.3m (1.1ft)0.1m (0.5ft)0.2m (0.8ft)0.3m (1.0ft)0.2m (0.8ft)0.1m (0.5ft)
Direction 206°
SSW
169°
S
204°
SSW
157°
SSE
202°
SSW
222°
SW
223°
SW
228°
SW
Period1.8 sec.2.6 sec.3.3 sec.2.6 sec.2.6 sec.2.6 sec.2.6 sec.2.6 sec.
Significant height0.4m (1.3ft)0.4m (1.3ft)0.6m (2ft)0.5m (1.6ft)0.6m (2ft)0.7m (2.3ft)0.5m (1.6ft)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 chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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