Sea weather in Hainan in China All the beach weather in Hainan

All the essential weather information for enjoying the beach in Hainan in China, 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 Hainan over the next 7 days?

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

Date Outside temp. Our opinion
Thursday 29 January 202665°F to 72°Fdiscouraged
Friday 30 January 202667°F to 72°Fdiscouraged
Saturday 31 January 202667°F to 70°Fdiscouraged
Sunday 1 February 202667°F to 68°Fdiscouraged
Monday 2 February 202667°F to 70°Fdiscouraged
Tuesday 3 February 202667°F to 70°Fdiscouraged
Wednesday 4 February 202665°F to 72°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Hainan

Sea weather on Thursday 29 January 2026

On Thursday 29 January 2026, the sun will rise at 07:16 and will set at 18:29 on the beach(es) of Hainan. The outside temperature will be a high of 72°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 18.6mph km/h (with gusts up to 29.8mph). Wave height will be up to 3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature18°C (65°F)18°C (65°F)18°C (64°F)20°C (68°F)21°C (71°F)22°C (72°F)19°C (66°F)20°C (69°F)
Perceived temperature18°C (65°F)18°C (65°F)18°C (64°F)20°C (68°F)21°C (71°F)25°C (76°F)19°C (66°F)20°C (69°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity83%81%82%71%58%62%64%84%
Barometric pressure1019 hPa1018 hPa1018 hPa1020 hPa1019 hPa1015 hPa1015 hPa1018 hPa
Cloud cover32%25%21%8%3%21%0%11%
Heat index18°C (65°F)18°C (65°F)18°C (64°F)20°C (68°F)24°C (76°F)25°C (76°F)19°C (66°F)20°C (69°F)
Dew point16°C (60°F)15°C (59°F)15°C (59°F)14°C (58°F)13°C (55°F)15°C (58°F)12°C (54°F)17°C (63°F)
Wind
Speed17km/h (11mph)17km/h (11mph)19km/h (12mph)19km/h (12mph)19km/h (12mph)30km/h (19mph)23km/h (14mph)22km/h (14mph)
Gusts28km/h (18mph)29km/h (18mph)32km/h (20mph)27km/h (17mph)34km/h (21mph)48km/h (30mph)25km/h (15mph)34km/h (21mph)
Direction 140°
SE
121°
ESE
116°
ESE
109°
ESE
84°
E
66°
ENE
87°
E
103°
ESE
Wind chill18°C (65°F)18°C (65°F)18°C (64°F)20°C (68°F)21°C (71°F)22°C (72°F)19°C (66°F)20°C (69°F)
Waves
Height0.3m (0.9ft)0.2m (0.7ft)0.2m (0.8ft)0.3m (1.0ft)0.3m (1.0ft)0.9m (3.0ft)0.8m (2.6ft)0.5m (1.7ft)
Direction 44°
NE
119°
ESE
111°
ESE
102°
ESE
75°
ENE
56°
ENE
55°
NE
56°
ENE
Period4.0 sec.3.8 sec.6.8 sec.7.3 sec.7.6 sec.7.6 sec.7.6 sec.7.9 sec.
Significant height0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.6m (2ft)0.5m (1.6ft)1.4m (4.6ft)1.0m (3.3ft)0.7m (2.3ft)
Sea water temperature
Water temperature18°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 (64°F)18°C (64°F)

Sea weather on Friday 30 January 2026

On Friday 30 January 2026, the sun will rise at 07:16 and will set at 18:30 on the beach(es) of Hainan. The outside temperature will be a high of 72°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 20.5mph km/h (with gusts up to 29.2mph). Wave height will be up to 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature20°C (67°F)19°C (67°F)19°C (66°F)21°C (69°F)22°C (71°F)21°C (69°F)20°C (69°F)20°C (68°F)
Perceived temperature20°C (67°F)19°C (67°F)19°C (66°F)21°C (69°F)22°C (71°F)21°C (69°F)20°C (69°F)20°C (68°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity92%94%94%89%81%89%89%93%
Barometric pressure1018 hPa1017 hPa1017 hPa1019 hPa1018 hPa1016 hPa1015 hPa1018 hPa
Cloud cover70%79%80%82%96%90%39%75%
Heat index20°C (67°F)19°C (67°F)19°C (66°F)21°C (69°F)24°C (76°F)21°C (69°F)20°C (69°F)20°C (68°F)
Dew point18°C (65°F)18°C (65°F)18°C (65°F)19°C (66°F)19°C (65°F)19°C (66°F)19°C (65°F)19°C (66°F)
Wind
Speed14km/h (9mph)13km/h (8mph)13km/h (8mph)15km/h (9mph)26km/h (16mph)30km/h (19mph)33km/h (20mph)27km/h (17mph)
Gusts21km/h (13mph)21km/h (13mph)21km/h (13mph)21km/h (13mph)41km/h (25mph)47km/h (29mph)37km/h (23mph)42km/h (26mph)
Direction 114°
ESE
119°
ESE
114°
ESE
94°
E
70°
ENE
65°
ENE
80°
E
82°
E
Wind chill20°C (67°F)19°C (67°F)19°C (66°F)21°C (69°F)22°C (71°F)21°C (69°F)20°C (69°F)20°C (68°F)
Waves
Height0.3m (0.9ft)0.2m (0.6ft)0.1m (0.5ft)0.1m (0.5ft)0.4m (1.4ft)0.8m (2.6ft)0.8m (2.7ft)0.6m (2.0ft)
Direction 59°
ENE
75°
ENE
76°
ENE
76°
ENE
61°
ENE
59°
ENE
58°
ENE
57°
ENE
Period4.2 sec.4.0 sec.8.4 sec.8.6 sec.8.7 sec.8.7 sec.8.7 sec.8.7 sec.
Significant height0.5m (1.6ft)0.4m (1.3ft)0.3m (1ft)0.4m (1.3ft)1.0m (3.3ft)1.2m (3.9ft)1.2m (3.9ft)0.8m (2.6ft)
Sea water temperature
Water temperature18°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 (64°F)18°C (64°F)

Sea weather on Saturday 31 January 2026

On Saturday 31 January 2026, the sun will rise at 07:16 and will set at 18:30 on the beach(es) of Hainan. 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 18mph 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 temperature21°C (69°F)20°C (68°F)20°C (68°F)20°C (68°F)21°C (69°F)21°C (70°F)20°C (67°F)20°C (67°F)
Perceived temperature21°C (69°F)20°C (68°F)20°C (68°F)20°C (68°F)21°C (69°F)21°C (70°F)20°C (67°F)20°C (67°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity92%95%95%93%88%85%90%94%
Barometric pressure1018 hPa1017 hPa1018 hPa1020 hPa1020 hPa1017 hPa1018 hPa1020 hPa
Cloud cover94%93%100%78%66%59%49%84%
Heat index21°C (69°F)20°C (68°F)20°C (68°F)20°C (68°F)21°C (69°F)21°C (70°F)20°C (67°F)20°C (67°F)
Dew point19°C (67°F)19°C (67°F)19°C (66°F)19°C (66°F)19°C (66°F)18°C (65°F)18°C (64°F)19°C (66°F)
Wind
Speed22km/h (14mph)23km/h (14mph)24km/h (15mph)26km/h (16mph)29km/h (18mph)29km/h (18mph)27km/h (17mph)19km/h (12mph)
Gusts32km/h (20mph)33km/h (20mph)35km/h (22mph)36km/h (22mph)40km/h (25mph)40km/h (25mph)41km/h (26mph)29km/h (18mph)
Direction 80°
E
74°
ENE
64°
ENE
65°
ENE
60°
ENE
69°
ENE
71°
ENE
62°
ENE
Wind chill21°C (69°F)20°C (68°F)20°C (68°F)20°C (68°F)21°C (69°F)21°C (70°F)20°C (67°F)20°C (67°F)
Waves
Height0.4m (1.4ft)0.4m (1.2ft)0.4m (1.3ft)0.5m (1.6ft)0.6m (2.0ft)0.6m (2.1ft)0.6m (2.1ft)0.5m (1.5ft)
Direction 64°
ENE
64°
ENE
59°
ENE
52°
NE
52°
NE
54°
NE
57°
ENE
56°
NE
Period8.3 sec.8.3 sec.8.3 sec.8.3 sec.8.3 sec.8.3 sec.8.3 sec.7.9 sec.
Significant height0.7m (2.3ft)0.6m (2ft)0.7m (2.3ft)0.8m (2.6ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)0.7m (2.3ft)
Sea water temperature
Water temperature18°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 (64°F)18°C (64°F)

Sea weather on Sunday 1 February 2026

On Sunday 1 February 2026, the sun will rise at 07:16 and will set at 18:31 on the beach(es) of Hainan. 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! The sea will be generally calm, with a wind speed of up to 18.6mph km/h (with gusts up to 26.7mph). Wave height will be up to 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature20°C (68°F)20°C (67°F)20°C (67°F)20°C (67°F)20°C (67°F)19°C (67°F)19°C (66°F)20°C (67°F)
Perceived temperature20°C (68°F)20°C (67°F)20°C (67°F)20°C (67°F)20°C (67°F)19°C (67°F)19°C (66°F)20°C (67°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity91%93%90%85%84%82%88%87%
Barometric pressure1020 hPa1019 hPa1020 hPa1022 hPa1022 hPa1020 hPa1020 hPa1022 hPa
Cloud cover95%100%98%100%100%100%100%73%
Heat index20°C (68°F)20°C (67°F)20°C (67°F)20°C (67°F)20°C (67°F)19°C (67°F)19°C (66°F)20°C (67°F)
Dew point19°C (65°F)18°C (65°F)18°C (64°F)17°C (62°F)17°C (62°F)16°C (61°F)17°C (62°F)17°C (63°F)
Wind
Speed14km/h (9mph)19km/h (12mph)28km/h (17mph)28km/h (18mph)30km/h (19mph)30km/h (18mph)29km/h (18mph)27km/h (17mph)
Gusts20km/h (12mph)30km/h (19mph)39km/h (24mph)38km/h (24mph)42km/h (26mph)41km/h (26mph)43km/h (27mph)40km/h (25mph)
Direction 64°
ENE
42°
NE
65°
ENE
76°
ENE
79°
E
74°
ENE
73°
ENE
84°
E
Wind chill20°C (68°F)20°C (67°F)20°C (67°F)20°C (67°F)20°C (67°F)19°C (67°F)19°C (66°F)20°C (67°F)
Waves
Height0.3m (1.1ft)0.4m (1.3ft)0.6m (2.1ft)0.8m (2.5ft)0.7m (2.4ft)0.8m (2.5ft)0.7m (2.4ft)0.5m (1.7ft)
Direction 53°
NE
53°
NE
58°
ENE
57°
ENE
57°
ENE
58°
ENE
58°
ENE
67°
ENE
Period7.8 sec.5.2 sec.5.1 sec.4.9 sec.4.8 sec.4.5 sec.4.4 sec.4.1 sec.
Significant height0.5m (1.6ft)0.7m (2.3ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)0.9m (3ft)0.8m (2.6ft)
Sea water temperature
Water temperature18°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 (64°F)18°C (64°F)

Sea weather on Monday 2 February 2026

On Monday 2 February 2026, the sun will rise at 07:15 and will set at 18:32 on the beach(es) of Hainan. 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 20.5mph km/h (with gusts up to 29.2mph). Wave height will be up to 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature20°C (68°F)20°C (67°F)20°C (67°F)20°C (68°F)21°C (70°F)21°C (70°F)20°C (68°F)20°C (67°F)
Perceived temperature20°C (68°F)20°C (67°F)20°C (67°F)20°C (68°F)21°C (70°F)21°C (70°F)20°C (68°F)20°C (67°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity87%88%88%85%79%78%82%83%
Barometric pressure1022 hPa1021 hPa1021 hPa1023 hPa1023 hPa1020 hPa1021 hPa1022 hPa
Cloud cover78%100%87%60%98%100%83%71%
Heat index20°C (68°F)20°C (67°F)20°C (67°F)20°C (68°F)21°C (70°F)21°C (70°F)20°C (68°F)20°C (67°F)
Dew point18°C (64°F)18°C (64°F)18°C (64°F)17°C (63°F)17°C (63°F)17°C (62°F)17°C (62°F)17°C (62°F)
Wind
Speed25km/h (15mph)25km/h (16mph)28km/h (17mph)25km/h (16mph)26km/h (16mph)33km/h (20mph)30km/h (19mph)24km/h (15mph)
Gusts35km/h (22mph)35km/h (22mph)40km/h (25mph)36km/h (22mph)38km/h (23mph)47km/h (29mph)45km/h (28mph)35km/h (21mph)
Direction 90°
E
82°
E
83°
E
88°
E
83°
E
68°
ENE
73°
ENE
90°
E
Wind chill20°C (68°F)20°C (67°F)20°C (67°F)20°C (68°F)21°C (70°F)21°C (70°F)20°C (68°F)20°C (67°F)
Waves
Height0.4m (1.4ft)0.4m (1.3ft)0.4m (1.5ft)0.5m (1.7ft)0.6m (2.1ft)0.8m (2.5ft)0.7m (2.4ft)0.6m (2.0ft)
Direction 61°
ENE
74°
ENE
68°
ENE
65°
ENE
60°
ENE
57°
ENE
58°
ENE
61°
ENE
Period7.6 sec.7.8 sec.7.9 sec.7.9 sec.7.9 sec.7.9 sec.7.9 sec.8.0 sec.
Significant height0.6m (2ft)0.7m (2.3ft)0.8m (2.6ft)0.8m (2.6ft)1.0m (3.3ft)1.2m (3.9ft)1.1m (3.6ft)0.9m (3ft)
Sea water temperature
Water temperature18°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 (64°F)20°C (68°F)

Sea weather on Tuesday 3 February 2026

On Tuesday 3 February 2026, the sun will rise at 07:15 and will set at 18:32 on the beach(es) of Hainan. 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 18mph km/h (with gusts up to 23.6mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature19°C (67°F)20°C (67°F)20°C (67°F)20°C (68°F)21°C (69°F)21°C (70°F)21°C (69°F)20°C (67°F)
Perceived temperature19°C (67°F)20°C (67°F)20°C (67°F)20°C (68°F)21°C (69°F)21°C (70°F)21°C (69°F)20°C (67°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity82%77%74%72%71%71%75%83%
Barometric pressure1022 hPa1022 hPa1022 hPa1023 hPa1023 hPa1020 hPa1020 hPa1021 hPa
Cloud cover50%68%95%89%66%26%17%8%
Heat index19°C (67°F)20°C (67°F)20°C (67°F)20°C (68°F)22°C (71°F)23°C (74°F)21°C (69°F)20°C (67°F)
Dew point16°C (61°F)16°C (60°F)15°C (59°F)15°C (59°F)15°C (60°F)16°C (60°F)16°C (60°F)17°C (62°F)
Wind
Speed20km/h (12mph)20km/h (13mph)24km/h (15mph)24km/h (15mph)24km/h (15mph)27km/h (17mph)29km/h (18mph)24km/h (15mph)
Gusts30km/h (19mph)30km/h (19mph)35km/h (22mph)35km/h (22mph)36km/h (22mph)38km/h (23mph)36km/h (22mph)36km/h (23mph)
Direction 100°
E
96°
E
96°
E
100°
E
94°
E
75°
ENE
78°
ENE
95°
E
Wind chill19°C (67°F)20°C (67°F)20°C (67°F)20°C (68°F)21°C (69°F)21°C (70°F)21°C (69°F)20°C (67°F)
Waves
Height0.4m (1.3ft)0.4m (1.3ft)0.3m (1.0ft)0.3m (1.0ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.3m (1.0ft)
Direction 68°
ENE
74°
ENE
82°
E
88°
E
82°
E
71°
ENE
68°
ENE
60°
ENE
Period8.3 sec.8.4 sec.8.5 sec.8.6 sec.8.5 sec.8.4 sec.8.3 sec.8.2 sec.
Significant height0.6m (2ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)0.5m (1.6ft)
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 4 February 2026

On Wednesday 4 February 2026, the sun will rise at 07:14 and will set at 18:33 on the beach(es) of Hainan. The outside temperature will be a high of 72°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 18.6mph km/h (with gusts up to 23mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature19°C (66°F)18°C (65°F)18°C (65°F)20°C (68°F)22°C (71°F)21°C (70°F)20°C (69°F)20°C (68°F)
Perceived temperature19°C (66°F)18°C (65°F)18°C (65°F)20°C (68°F)22°C (71°F)21°C (70°F)20°C (69°F)20°C (68°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity86%88%86%79%68%70%80%88%
Barometric pressure1021 hPa1020 hPa1020 hPa1021 hPa1020 hPa1017 hPa1017 hPa1018 hPa
Cloud cover6%11%26%31%24%23%17%18%
Heat index19°C (66°F)18°C (65°F)18°C (65°F)21°C (69°F)25°C (76°F)23°C (74°F)20°C (69°F)20°C (68°F)
Dew point16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (60°F)16°C (60°F)17°C (62°F)18°C (64°F)
Wind
Speed16km/h (10mph)13km/h (8mph)12km/h (7mph)12km/h (7mph)20km/h (12mph)30km/h (19mph)30km/h (19mph)21km/h (13mph)
Gusts26km/h (16mph)22km/h (14mph)19km/h (12mph)19km/h (12mph)26km/h (16mph)34km/h (21mph)37km/h (23mph)32km/h (20mph)
Direction 115°
ESE
128°
SE
125°
SE
104°
ESE
71°
ENE
63°
ENE
77°
ENE
84°
E
Wind chill19°C (66°F)18°C (65°F)18°C (65°F)20°C (68°F)22°C (71°F)21°C (70°F)20°C (69°F)20°C (68°F)
Waves
Height0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.1m (0.3ft)0.2m (0.7ft)0.4m (1.3ft)0.6m (2.0ft)0.5m (1.6ft)
Direction 61°
ENE
76°
ENE
77°
ENE
77°
ENE
68°
ENE
56°
ENE
64°
ENE
57°
ENE
Period6.5 sec.4.9 sec.8.2 sec.8.2 sec.8.2 sec.8.2 sec.8.2 sec.6.7 sec.
Significant height0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.3m (1ft)0.4m (1.3ft)0.8m (2.6ft)1.0m (3.3ft)0.6m (2ft)
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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