Sea weather in Tainan in Taiwan All the beach weather in Tainan

All the essential weather information for enjoying the beach in Tainan in Taiwan, 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 Tainan over the next 7 days?

Discover the best moment to go to the beach in Tainan in Taiwan this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Tainan. 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 202567°F to 68°Fnot recommended
Monday 15 December 202565°F to 68°Frecommended
Tuesday 16 December 202567°F to 70°Fdiscouraged
Wednesday 17 December 202570°F to 72°Fdiscouraged
Thursday 18 December 202568°F to 72°Fdiscouraged
Friday 19 December 202570°F to 72°Fdiscouraged
Saturday 20 December 202570°F to 72°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Tainan

Sea weather on Sunday 14 December 2025

On Sunday 14 December 2025, the sun will rise at 06:32 and will set at 17:16 on the beach(es) of Tainan. The outside temperature will be a high of 68°F t and a low of 67°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! Be careful, the sea will be generally rough with a wind speed of up to 33.6mph km/h (with gusts up to 39.8mph). Wave height will be up to 8.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature20°C (69°F)20°C (67°F)19°C (67°F)19°C (67°F)19°C (67°F)19°C (67°F)19°C (66°F)19°C (67°F)
Perceived temperature20°C (69°F)20°C (67°F)19°C (67°F)19°C (67°F)19°C (67°F)19°C (67°F)19°C (66°F)19°C (67°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity78%77%74%72%68%64%64%62%
Barometric pressure1018 hPa1018 hPa1018 hPa1020 hPa1019 hPa1018 hPa1019 hPa1020 hPa
Cloud cover66%62%20%46%75%61%36%67%
Heat index20°C (69°F)20°C (67°F)19°C (67°F)19°C (67°F)19°C (67°F)19°C (67°F)19°C (66°F)19°C (67°F)
Dew point16°C (61°F)16°C (60°F)15°C (58°F)14°C (58°F)13°C (56°F)12°C (54°F)12°C (54°F)12°C (54°F)
Wind
Speed53km/h (33mph)54km/h (34mph)52km/h (32mph)40km/h (25mph)41km/h (26mph)42km/h (26mph)40km/h (25mph)27km/h (17mph)
Gusts63km/h (39mph)64km/h (40mph)61km/h (38mph)47km/h (29mph)53km/h (33mph)55km/h (34mph)55km/h (34mph)35km/h (22mph)
Direction 14°
NNE
17°
NNE
15°
NNE
17°
NNE

N

N

N
15°
NNE
Wind chill20°C (69°F)20°C (67°F)19°C (67°F)19°C (67°F)19°C (67°F)19°C (67°F)19°C (66°F)19°C (67°F)
Waves
Height2.6m (8.5ft)2.7m (8.9ft)2.5m (8.4ft)2.2m (7.3ft)2.5m (8.2ft)2.3m (7.6ft)2.2m (7.3ft)1.9m (6.3ft)
Direction 358°
N
358°
N
354°
N
354°
N
353°
N
353°
N
353°
N
348°
NNW
Period7.9 sec.7.9 sec.7.9 sec.7.9 sec.7.9 sec.7.9 sec.7.9 sec.7.9 sec.
Significant height2.0m (6.6ft)2.0m (6.6ft)1.8m (5.9ft)1.4m (4.6ft)1.6m (5.2ft)1.3m (4.3ft)1.4m (4.6ft)0.8m (2.6ft)
Sea water temperature
Water temperature25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)

Sea weather on Monday 15 December 2025

On Monday 15 December 2025, the sun will rise at 06:32 and will set at 17:17 on the beach(es) of Tainan. The outside temperature will be a high of 68°F t and a low of 65°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 13.7mph). Wave height will be up to 4.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature19°C (67°F)19°C (67°F)19°C (66°F)19°C (67°F)19°C (66°F)19°C (66°F)18°C (65°F)20°C (68°F)
Perceived temperature19°C (67°F)19°C (67°F)19°C (66°F)19°C (67°F)19°C (66°F)19°C (66°F)18°C (65°F)20°C (68°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity62%65%66%64%68%71%71%69%
Barometric pressure1020 hPa1020 hPa1020 hPa1022 hPa1020 hPa1018 hPa1019 hPa1020 hPa
Cloud cover73%46%34%35%19%18%3%16%
Heat index19°C (67°F)19°C (67°F)19°C (66°F)19°C (67°F)19°C (66°F)19°C (66°F)18°C (65°F)20°C (68°F)
Dew point12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)13°C (55°F)13°C (56°F)13°C (55°F)14°C (58°F)
Wind
Speed15km/h (9mph)15km/h (9mph)6km/h (4mph)3km/h (2mph)8km/h (5mph)9km/h (6mph)12km/h (7mph)3km/h (2mph)
Gusts20km/h (12mph)20km/h (12mph)8km/h (5mph)4km/h (2mph)12km/h (8mph)14km/h (9mph)22km/h (13mph)4km/h (3mph)
Direction 11°
NNE

N

N

N
304°
WNW
301°
WNW
292°
WNW
275°
W
Wind chill19°C (67°F)19°C (67°F)19°C (66°F)19°C (67°F)19°C (66°F)19°C (66°F)18°C (65°F)20°C (68°F)
Waves
Height1.5m (5.0ft)1.2m (4.0ft)1.0m (3.4ft)0.9m (3.0ft)0.8m (2.8ft)0.8m (2.5ft)0.7m (2.2ft)0.6m (2.0ft)
Direction 349°
NNW
350°
N
356°
N
356°
N
356°
N
356°
N

N

N
Period8.8 sec.8.8 sec.8.6 sec.8.5 sec.8.4 sec.8.3 sec.8.1 sec.7.8 sec.
Significant height0.3m (1ft)0.3m (1ft)0.3m (1ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.1m (0.3ft)
Sea water temperature
Water temperature25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)

Sea weather on Tuesday 16 December 2025

On Tuesday 16 December 2025, the sun will rise at 06:33 and will set at 17:17 on the beach(es) of Tainan. The outside temperature will be a high of 70°F t and a low of 67°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 14.9mph 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 temperature20°C (69°F)20°C (69°F)20°C (69°F)20°C (69°F)20°C (67°F)20°C (67°F)19°C (67°F)21°C (70°F)
Perceived temperature20°C (69°F)20°C (69°F)20°C (69°F)20°C (69°F)20°C (67°F)20°C (67°F)19°C (67°F)21°C (70°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity69%69%73%73%75%78%80%77%
Barometric pressure1019 hPa1018 hPa1018 hPa1020 hPa1018 hPa1017 hPa1018 hPa1019 hPa
Cloud cover12%15%24%11%4%5%6%6%
Heat index20°C (69°F)20°C (69°F)20°C (69°F)20°C (69°F)20°C (67°F)20°C (67°F)19°C (67°F)24°C (76°F)
Dew point14°C (58°F)15°C (58°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (60°F)16°C (60°F)17°C (63°F)
Wind
Speed3km/h (2mph)3km/h (2mph)10km/h (6mph)10km/h (6mph)17km/h (10mph)23km/h (15mph)24km/h (15mph)18km/h (11mph)
Gusts3km/h (2mph)4km/h (2mph)14km/h (8mph)14km/h (9mph)26km/h (16mph)39km/h (24mph)41km/h (26mph)25km/h (15mph)
Direction 238°
WSW
340°
NNW
32°
NNE
19°
NNE
340°
NNW
345°
NNW
359°
N

N
Wind chill20°C (69°F)20°C (69°F)20°C (69°F)20°C (69°F)20°C (67°F)20°C (67°F)19°C (67°F)21°C (70°F)
Waves
Height0.5m (1.8ft)0.5m (1.7ft)0.5m (1.5ft)0.5m (1.5ft)0.5m (1.5ft)0.5m (1.7ft)0.6m (2.1ft)0.6m (2.0ft)
Direction
N
11°
N
12°
NNE

N

N
13°
NNE
344°
NNW
352°
N
Period7.6 sec.6.1 sec.5.9 sec.5.7 sec.5.7 sec.6.8 sec.6.8 sec.6.8 sec.
Significant height0.1m (0.3ft)0.1m (0.3ft)0.1m (0.3ft)0.1m (0.3ft)0.3m (1ft)0.7m (2.3ft)0.8m (2.6ft)0.7m (2.3ft)
Sea water temperature
Water temperature25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)

Sea weather on Wednesday 17 December 2025

On Wednesday 17 December 2025, the sun will rise at 06:33 and will set at 17:18 on the beach(es) of Tainan. The outside temperature will be a high of 72°F t and a low of 70°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 24.2mph km/h (with gusts up to 31.7mph). Wave height will be up to 5.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature22°C (71°F)21°C (70°F)21°C (70°F)21°C (70°F)21°C (70°F)21°C (70°F)21°C (70°F)22°C (71°F)
Perceived temperature22°C (71°F)21°C (70°F)21°C (70°F)21°C (70°F)21°C (70°F)21°C (70°F)21°C (70°F)22°C (71°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity72%76%78%79%78%83%78%82%
Barometric pressure1018 hPa1018 hPa1018 hPa1020 hPa1018 hPa1016 hPa1018 hPa1019 hPa
Cloud cover7%9%9%10%10%17%11%15%
Heat index24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)21°C (70°F)21°C (70°F)24°C (76°F)24°C (76°F)
Dew point16°C (61°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)18°C (64°F)17°C (63°F)18°C (65°F)
Wind
Speed16km/h (10mph)18km/h (11mph)23km/h (14mph)21km/h (13mph)22km/h (14mph)34km/h (21mph)39km/h (24mph)37km/h (23mph)
Gusts21km/h (13mph)23km/h (14mph)29km/h (18mph)27km/h (17mph)33km/h (20mph)51km/h (32mph)43km/h (27mph)49km/h (30mph)
Direction 18°
NNE
14°
NNE
15°
NNE
14°
NNE
351°
N
354°
N

N
13°
NNE
Wind chill22°C (71°F)21°C (70°F)21°C (70°F)21°C (70°F)21°C (70°F)21°C (70°F)21°C (70°F)22°C (71°F)
Waves
Height0.5m (1.6ft)0.4m (1.4ft)0.5m (1.6ft)0.6m (2.1ft)0.8m (2.6ft)1.0m (3.3ft)1.5m (4.8ft)1.7m (5.4ft)
Direction 354°
N
88°
E
358°
N
360°
N
355°
N
352°
N
356°
N
360°
N
Period6.8 sec.6.8 sec.6.7 sec.6.6 sec.6.5 sec.6.4 sec.6.6 sec.6.8 sec.
Significant height0.5m (1.6ft)0.6m (2ft)0.7m (2.3ft)0.8m (2.6ft)0.9m (3ft)1.1m (3.6ft)1.3m (4.3ft)1.3m (4.3ft)
Sea water temperature
Water temperature25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)

Sea weather on Thursday 18 December 2025

On Thursday 18 December 2025, the sun will rise at 06:34 and will set at 17:18 on the beach(es) of Tainan. The outside temperature will be a high of 72°F t and a low of 68°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 23.6mph km/h (with gusts up to 28mph). Wave height will be up to 6.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature21°C (70°F)21°C (70°F)21°C (69°F)21°C (70°F)21°C (69°F)20°C (68°F)20°C (69°F)21°C (71°F)
Perceived temperature21°C (70°F)21°C (70°F)21°C (69°F)21°C (70°F)21°C (69°F)20°C (68°F)20°C (69°F)21°C (71°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity83%80%79%77%77%81%80%80%
Barometric pressure1018 hPa1018 hPa1018 hPa1020 hPa1018 hPa1016 hPa1017 hPa1017 hPa
Cloud cover19%17%15%11%13%13%20%22%
Heat index24°C (76°F)21°C (70°F)21°C (69°F)21°C (70°F)21°C (69°F)20°C (68°F)20°C (69°F)24°C (76°F)
Dew point18°C (65°F)17°C (63°F)17°C (63°F)17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)18°C (64°F)
Wind
Speed32km/h (20mph)30km/h (18mph)27km/h (17mph)20km/h (12mph)22km/h (14mph)38km/h (24mph)38km/h (24mph)29km/h (18mph)
Gusts41km/h (25mph)38km/h (24mph)35km/h (22mph)26km/h (16mph)33km/h (20mph)42km/h (26mph)45km/h (28mph)39km/h (24mph)
Direction 13°
NNE
13°
NNE
15°
NNE
18°
NNE
358°
N
359°
N

N

N
Wind chill21°C (70°F)21°C (70°F)21°C (69°F)21°C (70°F)21°C (69°F)20°C (68°F)20°C (69°F)21°C (71°F)
Waves
Height1.6m (5.2ft)1.6m (5.2ft)1.6m (5.3ft)1.9m (6.3ft)2.0m (6.5ft)2.1m (6.9ft)2.1m (6.9ft)1.9m (6.2ft)
Direction 357°
N
357°
N
353°
N
356°
N
356°
N
356°
N
356°
N
356°
N
Period6.9 sec.7.0 sec.7.3 sec.9.5 sec.8.5 sec.9.1 sec.10.3 sec.10.9 sec.
Significant height1.1m (3.6ft)1.0m (3.3ft)0.9m (3ft)1.0m (3.3ft)1.1m (3.6ft)1.2m (3.9ft)1.2m (3.9ft)0.9m (3ft)
Sea water temperature
Water temperature25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)

Sea weather on Friday 19 December 2025

On Friday 19 December 2025, the sun will rise at 06:34 and will set at 17:18 on the beach(es) of Tainan. The outside temperature will be a high of 72°F t and a low of 70°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 19.9mph km/h (with gusts up to 28.6mph). Wave height will be up to 5.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature21°C (70°F)21°C (70°F)21°C (70°F)21°C (71°F)21°C (71°F)21°C (70°F)21°C (70°F)22°C (71°F)
Perceived temperature21°C (70°F)21°C (70°F)21°C (70°F)21°C (71°F)21°C (71°F)21°C (70°F)21°C (70°F)22°C (71°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity80%81%82%81%81%85%83%83%
Barometric pressure1017 hPa1016 hPa1016 hPa1016 hPa1015 hPa1014 hPa1014 hPa1015 hPa
Cloud cover14%15%25%52%64%75%27%37%
Heat index24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)23°C (74°F)22°C (72°F)24°C (76°F)
Dew point18°C (64°F)18°C (64°F)18°C (65°F)18°C (65°F)18°C (64°F)18°C (65°F)18°C (65°F)19°C (65°F)
Wind
Speed21km/h (13mph)18km/h (11mph)18km/h (11mph)22km/h (13mph)26km/h (16mph)32km/h (20mph)31km/h (19mph)28km/h (18mph)
Gusts29km/h (18mph)23km/h (15mph)23km/h (15mph)28km/h (18mph)36km/h (22mph)46km/h (28mph)44km/h (27mph)38km/h (23mph)
Direction 11°
N

N
14°
NNE
21°
NNE
122°
ESE
237°
WSW

N
14°
NNE
Wind chill21°C (70°F)21°C (70°F)21°C (70°F)21°C (71°F)21°C (71°F)21°C (70°F)21°C (70°F)22°C (71°F)
Waves
Height1.6m (5.2ft)1.4m (4.6ft)1.2m (3.9ft)1.1m (3.6ft)1.2m (3.9ft)1.5m (4.9ft)1.5m (4.9ft)1.5m (4.9ft)
Direction 356°
N
357°
N
358°
N
358°
N
355°
N
353°
N
355°
N
355°
N
Period9.8 sec.7.6 sec.7.5 sec.7.1 sec.6.5 sec.6.0 sec.5.9 sec.5.6 sec.
Significant height0.7m (2.3ft)0.6m (2ft)0.3m (1ft)0.3m (1ft)0.9m (3ft)1.1m (3.6ft)1.1m (3.6ft)1.0m (3.3ft)
Sea water temperature
Water temperature25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)

Sea weather on Saturday 20 December 2025

On Saturday 20 December 2025, the sun will rise at 06:35 and will set at 17:19 on the beach(es) of Tainan. The outside temperature will be a high of 72°F t and a low of 70°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 26.1mph). Wave height will be up to 4.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature21°C (71°F)21°C (71°F)21°C (70°F)21°C (71°F)21°C (70°F)21°C (69°F)21°C (70°F)22°C (72°F)
Perceived temperature21°C (71°F)21°C (71°F)21°C (70°F)21°C (71°F)21°C (70°F)21°C (69°F)21°C (70°F)25°C (76°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity84%86%85%82%81%85%84%85%
Barometric pressure1014 hPa1014 hPa1014 hPa1015 hPa1014 hPa1013 hPa1014 hPa1014 hPa
Cloud cover38%24%24%18%9%14%12%14%
Heat index24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)23°C (74°F)21°C (69°F)22°C (72°F)25°C (76°F)
Dew point19°C (65°F)19°C (66°F)19°C (65°F)18°C (65°F)18°C (64°F)18°C (65°F)18°C (65°F)19°C (67°F)
Wind
Speed25km/h (15mph)24km/h (15mph)22km/h (14mph)19km/h (12mph)21km/h (13mph)27km/h (17mph)25km/h (15mph)19km/h (12mph)
Gusts33km/h (21mph)32km/h (20mph)28km/h (18mph)27km/h (17mph)32km/h (20mph)42km/h (26mph)38km/h (23mph)26km/h (16mph)
Direction 14°
NNE
13°
NNE
20°
NNE
16°
NNE
122°
ESE
351°
N
238°
WSW
116°
ESE
Wind chill21°C (71°F)21°C (71°F)21°C (70°F)21°C (71°F)21°C (70°F)21°C (69°F)21°C (70°F)22°C (72°F)
Waves
Height1.3m (4.3ft)1.2m (3.9ft)1.0m (3.3ft)1.0m (3.3ft)0.9m (3.0ft)1.0m (3.3ft)1.1m (3.6ft)1.1m (3.6ft)
Direction 355°
N
355°
N
356°
N
355°
N
356°
N
354°
N
352°
N
352°
N
Period5.4 sec.5.4 sec.5.9 sec.6.0 sec.5.3 sec.5.2 sec.5.2 sec.5.2 sec.
Significant height0.9m (3ft)0.7m (2.3ft)0.5m (1.6ft)0.4m (1.3ft)0.7m (2.3ft)0.9m (3ft)0.8m (2.6ft)0.6m (2ft)
Sea water temperature
Water temperature25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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