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
Monday 15 December 202565°F to 68°Fdiscouraged
Tuesday 16 December 202568°F to 70°Fdiscouraged
Wednesday 17 December 202570°F to 72°Fdiscouraged
Thursday 18 December 202570°F to 72°Fdiscouraged
Friday 19 December 202570°F to 72°Fdiscouraged
Saturday 20 December 202568°F to 72°Fdiscouraged
Sunday 21 December 202563°F to 72°Fnot recommended

Sea Weather: Your daily and hourly sea weather in Tainan

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 16.2mph km/h (with gusts up to 20.5mph). Wave height will be up to 5.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature19°C (66°F)19°C (65°F)18°C (65°F)19°C (66°F)19°C (66°F)19°C (66°F)18°C (65°F)20°C (68°F)
Perceived temperature19°C (66°F)19°C (65°F)18°C (65°F)19°C (66°F)19°C (66°F)19°C (66°F)18°C (65°F)20°C (68°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity64%63%57%57%65%70%70%69%
Barometric pressure1020 hPa1019 hPa1020 hPa1021 hPa1020 hPa1018 hPa1019 hPa1019 hPa
Cloud cover55%34%35%59%53%18%4%21%
Heat index19°C (66°F)19°C (65°F)18°C (65°F)19°C (66°F)19°C (66°F)19°C (66°F)18°C (65°F)20°C (68°F)
Dew point12°C (53°F)11°C (52°F)9°C (49°F)10°C (50°F)12°C (54°F)13°C (56°F)13°C (55°F)14°C (58°F)
Wind
Speed26km/h (16mph)19km/h (12mph)6km/h (4mph)1km/h (1mph)8km/h (5mph)10km/h (6mph)10km/h (6mph)5km/h (3mph)
Gusts33km/h (20mph)24km/h (15mph)9km/h (5mph)2km/h (1mph)11km/h (7mph)16km/h (10mph)18km/h (11mph)8km/h (5mph)
Direction 17°
NNE
22°
NNE
56°
NE
272°
W
264°
W
262°
W
265°
W
209°
SSW
Wind chill19°C (66°F)19°C (65°F)18°C (65°F)19°C (66°F)19°C (66°F)19°C (66°F)18°C (65°F)20°C (68°F)
Waves
Height1.7m (5.4ft)1.3m (4.3ft)1.1m (3.7ft)1.0m (3.1ft)0.8m (2.7ft)0.7m (2.4ft)0.7m (2.2ft)0.6m (1.9ft)
Direction 349°
N
350°
N
350°
N
357°
N
357°
N
357°
N
357°
N

N
Period8.8 sec.8.8 sec.8.8 sec.8.6 sec.8.5 sec.8.4 sec.8.3 sec.8.0 sec.
Significant height0.6m (2ft)0.4m (1.3ft)0.1m (0.3ft)0.1m (0.3ft)0.1m (0.3ft)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 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 13.7mph km/h (with gusts up to 20.5mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature21°C (69°F)21°C (69°F)20°C (69°F)20°C (69°F)20°C (68°F)20°C (68°F)20°C (68°F)21°C (70°F)
Perceived temperature21°C (69°F)21°C (69°F)20°C (69°F)20°C (69°F)20°C (68°F)20°C (68°F)20°C (68°F)21°C (70°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity70%70%74%74%76%78%78%76%
Barometric pressure1019 hPa1018 hPa1019 hPa1020 hPa1019 hPa1017 hPa1018 hPa1019 hPa
Cloud cover19%42%52%9%11%16%24%24%
Heat index21°C (69°F)21°C (69°F)20°C (69°F)20°C (69°F)20°C (68°F)20°C (68°F)20°C (68°F)24°C (76°F)
Dew point15°C (59°F)15°C (59°F)16°C (60°F)15°C (60°F)16°C (60°F)16°C (61°F)16°C (61°F)17°C (62°F)
Wind
Speed6km/h (4mph)2km/h (1mph)9km/h (6mph)12km/h (7mph)17km/h (11mph)22km/h (13mph)22km/h (14mph)21km/h (13mph)
Gusts8km/h (5mph)2km/h (2mph)12km/h (8mph)15km/h (10mph)25km/h (16mph)32km/h (20mph)33km/h (21mph)28km/h (17mph)
Direction 183°
S
120°
ESE
41°
NE
18°
NNE
342°
NNW
344°
NNW
356°
N

N
Wind chill21°C (69°F)21°C (69°F)20°C (69°F)20°C (69°F)20°C (68°F)20°C (68°F)20°C (68°F)21°C (70°F)
Waves
Height0.5m (1.7ft)0.5m (1.6ft)0.5m (1.5ft)0.5m (1.5ft)0.5m (1.6ft)0.5m (1.7ft)0.6m (2.0ft)0.6m (2.1ft)
Direction
N
10°
N
11°
NNE
11°
N
11°
NNE
14°
NNE
19°
NNE
350°
N
Period7.8 sec.7.5 sec.6.0 sec.5.8 sec.5.9 sec.6.9 sec.7.0 sec.7.0 sec.
Significant height0.1m (0.3ft)0.1m (0.3ft)0.2m (0.7ft)0.3m (1ft)0.6m (2ft)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 23mph km/h (with gusts up to 27.3mph). Wave height will be up to 4.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature22°C (71°F)21°C (71°F)21°C (71°F)22°C (71°F)21°C (69°F)21°C (69°F)21°C (69°F)22°C (71°F)
Perceived temperature22°C (71°F)21°C (71°F)21°C (71°F)22°C (71°F)21°C (69°F)21°C (69°F)21°C (69°F)22°C (71°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity71%70%79%80%79%81%80%83%
Barometric pressure1019 hPa1018 hPa1018 hPa1020 hPa1018 hPa1016 hPa1018 hPa1019 hPa
Cloud cover10%4%0%16%3%6%8%7%
Heat index24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)21°C (69°F)21°C (69°F)21°C (69°F)24°C (76°F)
Dew point16°C (61°F)16°C (60°F)18°C (64°F)18°C (64°F)17°C (62°F)17°C (63°F)17°C (63°F)19°C (66°F)
Wind
Speed15km/h (9mph)16km/h (10mph)19km/h (12mph)18km/h (11mph)23km/h (14mph)35km/h (22mph)37km/h (23mph)33km/h (21mph)
Gusts20km/h (13mph)21km/h (13mph)24km/h (15mph)25km/h (15mph)38km/h (23mph)40km/h (25mph)44km/h (27mph)44km/h (27mph)
Direction 20°
NNE
14°
NNE
10°
N

N
348°
NNW
355°
N

N
11°
NNE
Wind chill22°C (71°F)21°C (71°F)21°C (71°F)22°C (71°F)21°C (69°F)21°C (69°F)21°C (69°F)22°C (71°F)
Waves
Height0.6m (1.9ft)0.5m (1.6ft)0.5m (1.7ft)0.6m (1.9ft)0.7m (2.3ft)1.0m (3.3ft)1.4m (4.5ft)1.5m (4.9ft)
Direction
N

N
28°
NNE
120°
ESE
351°
N
352°
N
357°
N
360°
N
Period7.0 sec.7.0 sec.7.0 sec.7.0 sec.7.0 sec.6.9 sec.7.0 sec.7.3 sec.
Significant height0.6m (2ft)0.6m (2ft)0.7m (2.3ft)0.7m (2.3ft)0.8m (2.6ft)1.1m (3.6ft)1.2m (3.9ft)1.2m (3.9ft)
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 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 23mph km/h (with gusts up to 32.9mph). 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 (71°F)21°C (70°F)21°C (70°F)21°C (70°F)21°C (70°F)21°C (69°F)22°C (71°F)
Perceived temperature22°C (71°F)21°C (71°F)21°C (70°F)21°C (70°F)21°C (70°F)21°C (70°F)21°C (69°F)22°C (71°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity83%80%80%80%81%82%83%82%
Barometric pressure1018 hPa1018 hPa1018 hPa1020 hPa1018 hPa1016 hPa1017 hPa1018 hPa
Cloud cover32%51%92%100%74%59%53%49%
Heat index24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)21°C (70°F)21°C (69°F)24°C (76°F)
Dew point18°C (65°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (65°F)
Wind
Speed27km/h (17mph)19km/h (12mph)22km/h (14mph)24km/h (15mph)28km/h (17mph)35km/h (22mph)37km/h (23mph)29km/h (18mph)
Gusts35km/h (22mph)25km/h (15mph)29km/h (18mph)31km/h (19mph)38km/h (23mph)49km/h (30mph)53km/h (33mph)38km/h (24mph)
Direction 16°
NNE
15°
NNE
17°
NNE
13°
NNE
357°
N
359°
N

N

N
Wind chill22°C (71°F)21°C (71°F)21°C (70°F)21°C (70°F)21°C (70°F)21°C (70°F)21°C (69°F)22°C (71°F)
Waves
Height1.4m (4.6ft)1.4m (4.5ft)1.4m (4.7ft)1.3m (4.4ft)1.3m (4.2ft)1.5m (4.8ft)1.7m (5.5ft)1.5m (5.0ft)
Direction 359°
N
356°
N
354°
N
355°
N
355°
N
356°
N
355°
N
355°
N
Period7.4 sec.7.7 sec.7.6 sec.7.4 sec.7.2 sec.7.2 sec.7.5 sec.7.6 sec.
Significant height1.0m (3.3ft)0.9m (3ft)0.8m (2.6ft)0.7m (2.3ft)0.8m (2.6ft)1.2m (3.9ft)1.2m (3.9ft)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 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 27.3mph). Wave height will be up to 4.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)21°C (70°F)22°C (71°F)21°C (70°F)21°C (70°F)
Perceived temperature22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)21°C (70°F)22°C (71°F)21°C (70°F)21°C (70°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity83%84%84%84%86%81%82%85%
Barometric pressure1017 hPa1015 hPa1016 hPa1017 hPa1016 hPa1014 hPa1015 hPa1015 hPa
Cloud cover39%78%100%94%96%88%52%70%
Heat index24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)23°C (74°F)
Dew point19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)18°C (65°F)18°C (65°F)19°C (65°F)
Wind
Speed24km/h (15mph)22km/h (14mph)23km/h (14mph)24km/h (15mph)32km/h (20mph)27km/h (17mph)25km/h (16mph)13km/h (8mph)
Gusts32km/h (20mph)29km/h (18mph)31km/h (19mph)31km/h (19mph)44km/h (27mph)37km/h (23mph)37km/h (23mph)18km/h (11mph)
Direction
N

N
19°
NNE

N

N
14°
NNE
19°
NNE
24°
NNE
Wind chill22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)21°C (70°F)22°C (71°F)21°C (70°F)21°C (70°F)
Waves
Height1.3m (4.1ft)1.0m (3.4ft)1.0m (3.2ft)1.0m (3.2ft)1.0m (3.1ft)0.9m (3.0ft)0.9m (2.9ft)0.8m (2.6ft)
Direction
N

N

N
354°
N
354°
N
355°
N
357°
N
358°
N
Period7.7 sec.8.0 sec.7.8 sec.5.7 sec.5.5 sec.5.4 sec.5.6 sec.5.9 sec.
Significant height0.7m (2.3ft)0.5m (1.6ft)0.9m (3ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)0.4m (1.3ft)
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 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 18mph km/h (with gusts up to 26.1mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature21°C (70°F)22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)21°C (70°F)21°C (69°F)22°C (71°F)
Perceived temperature21°C (70°F)22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)21°C (70°F)21°C (69°F)22°C (71°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity90%86%83%83%85%85%85%83%
Barometric pressure1015 hPa1014 hPa1013 hPa1014 hPa1013 hPa1012 hPa1012 hPa1013 hPa
Cloud cover56%55%88%89%74%42%13%6%
Heat index22°C (71°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)23°C (73°F)22°C (71°F)24°C (76°F)
Dew point19°C (67°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)18°C (65°F)18°C (65°F)19°C (66°F)
Wind
Speed18km/h (11mph)19km/h (12mph)20km/h (13mph)25km/h (16mph)29km/h (18mph)29km/h (18mph)26km/h (16mph)23km/h (15mph)
Gusts24km/h (15mph)25km/h (15mph)27km/h (17mph)34km/h (21mph)40km/h (25mph)42km/h (26mph)39km/h (24mph)32km/h (20mph)
Direction 15°
NNE
127°
SE
243°
WSW
16°
NNE

N
118°
ESE
237°
WSW

N
Wind chill21°C (70°F)22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)21°C (70°F)21°C (69°F)22°C (71°F)
Waves
Height0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.6m (2.0ft)0.6m (2.0ft)0.6m (2.0ft)0.6m (2.0ft)0.6m (2.0ft)
Direction 357°
N
239°
WSW

N

N
124°
SE
240°
WSW

N

N
Period5.8 sec.6.0 sec.5.8 sec.5.4 sec.5.4 sec.5.7 sec.5.7 sec.5.2 sec.
Significant height0.3m (1ft)0.7m (2.3ft)0.6m (2ft)0.3m (1ft)0.4m (1.3ft)0.6m (2ft)0.5m (1.6ft)0.3m (1ft)
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 Sunday 21 December 2025

On Sunday 21 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 63°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 30.5mph km/h (with gusts up to 33.6mph). Wave height will be up to 3.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature22°C (71°F)22°C (71°F)21°C (70°F)21°C (70°F)21°C (69°F)19°C (65°F)19°C (65°F)21°C (69°F)
Perceived temperature22°C (71°F)22°C (71°F)21°C (70°F)21°C (70°F)21°C (69°F)19°C (65°F)19°C (65°F)21°C (69°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity83%84%84%80%76%73%73%70%
Barometric pressure1012 hPa1012 hPa1012 hPa1013 hPa1013 hPa1012 hPa1013 hPa1014 hPa
Cloud cover13%47%75%47%16%1%1%3%
Heat index24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)23°C (73°F)19°C (65°F)19°C (65°F)21°C (69°F)
Dew point19°C (66°F)19°C (66°F)19°C (65°F)18°C (64°F)16°C (61°F)14°C (56°F)14°C (56°F)15°C (58°F)
Wind
Speed22km/h (14mph)22km/h (14mph)25km/h (16mph)31km/h (19mph)39km/h (24mph)48km/h (30mph)49km/h (30mph)40km/h (25mph)
Gusts30km/h (19mph)29km/h (18mph)33km/h (20mph)41km/h (26mph)49km/h (31mph)51km/h (32mph)54km/h (34mph)52km/h (32mph)
Direction
N
17°
NNE
20°
NNE
12°
NNE

N

N
11°
N
17°
NNE
Wind chill22°C (71°F)22°C (71°F)21°C (70°F)21°C (70°F)21°C (69°F)19°C (65°F)19°C (65°F)21°C (69°F)
Waves
Height0.6m (2.0ft)0.6m (2.0ft)0.7m (2.3ft)0.6m (2.0ft)0.5m (1.6ft)0.5m (1.6ft)0.8m (2.6ft)1.2m (3.9ft)
Direction
N
121°
ESE
343°
NNW
346°
NNW
359°
N
354°
N
351°
N
353°
N
Period5.2 sec.5.2 sec.5.3 sec.4.6 sec.3.8 sec.5.0 sec.5.8 sec.5.7 sec.
Significant height0.3m (1ft)0.6m (2ft)0.9m (3ft)0.6m (2ft)0.2m (0.7ft)0.4m (1.3ft)1.0m (3.3ft)1.1m (3.6ft)
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 chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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