Sea weather in Naha in Japan All the beach weather in Naha

All the essential weather information for enjoying the beach in Naha in Japan, 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 Naha over the next 7 days?

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

Date Outside temp. Our opinion
Sunday 18 January 202667°F to 70°Fdiscouraged
Monday 19 January 202665°F to 68°Fdiscouraged
Tuesday 20 January 202661°F to 67°Fnot recommended
Wednesday 21 January 202656°F to 61°Fnot recommended
Thursday 22 January 202656°F to 56°Fnot recommended
Friday 23 January 202656°F to 59°Fdiscouraged
Saturday 24 January 202658°F to 61°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Naha

Sea weather on Sunday 18 January 2026

On Sunday 18 January 2026, the sun will rise at 07:19 and will set at 18:01 on the beach(es) of Naha. 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 17.4mph 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 temperature20°C (68°F)20°C (68°F)20°C (68°F)20°C (69°F)21°C (69°F)20°C (67°F)20°C (67°F)20°C (67°F)
Perceived temperature20°C (68°F)20°C (68°F)20°C (68°F)20°C (69°F)21°C (69°F)20°C (67°F)20°C (67°F)20°C (67°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity62%64%65%62%58%58%63%65%
Barometric pressure1015 hPa1015 hPa1014 hPa1016 hPa1015 hPa1014 hPa1015 hPa1016 hPa
Cloud cover29%36%18%19%28%5%22%26%
Heat index20°C (68°F)20°C (68°F)20°C (68°F)20°C (69°F)21°C (69°F)20°C (67°F)20°C (67°F)20°C (67°F)
Dew point13°C (55°F)13°C (55°F)13°C (56°F)13°C (55°F)12°C (54°F)11°C (52°F)12°C (54°F)13°C (55°F)
Wind
Speed24km/h (15mph)24km/h (15mph)25km/h (15mph)25km/h (15mph)27km/h (17mph)27km/h (17mph)28km/h (17mph)27km/h (17mph)
Gusts33km/h (20mph)34km/h (21mph)35km/h (22mph)33km/h (21mph)37km/h (23mph)44km/h (28mph)43km/h (27mph)38km/h (23mph)
Direction 72°
ENE
61°
ENE
62°
ENE
67°
ENE
67°
ENE
74°
ENE
65°
ENE
55°
NE
Wind chill20°C (68°F)20°C (68°F)20°C (68°F)20°C (69°F)21°C (69°F)20°C (67°F)20°C (67°F)20°C (67°F)
Waves
Height1.2m (4.1ft)1.3m (4.2ft)1.3m (4.4ft)1.4m (4.5ft)1.4m (4.6ft)1.4m (4.5ft)1.4m (4.7ft)1.5m (4.9ft)
Direction 123°
ESE
123°
ESE
122°
ESE
121°
ESE
121°
ESE
121°
ESE
147°
SSE
151°
SSE
Period9.0 sec.9.0 sec.12.9 sec.12.0 sec.11.2 sec.10.9 sec.10.4 sec.10.1 sec.
Significant height1.2m (3.9ft)1.2m (3.9ft)1.1m (3.6ft)1.1m (3.6ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)1.1m (3.6ft)
Sea water temperature
Water 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 (73°F)23°C (73°F)

Sea weather on Monday 19 January 2026

On Monday 19 January 2026, the sun will rise at 07:18 and will set at 18:02 on the beach(es) of Naha. 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 18.6mph km/h (with gusts up to 28mph). Wave height will be up to 4.9ft 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)20°C (67°F)20°C (67°F)19°C (66°F)19°C (67°F)19°C (67°F)
Perceived temperature20°C (67°F)19°C (67°F)19°C (66°F)20°C (67°F)20°C (67°F)19°C (66°F)19°C (67°F)19°C (67°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity64%64%66%64%59%59%60%62%
Barometric pressure1016 hPa1016 hPa1016 hPa1017 hPa1017 hPa1015 hPa1016 hPa1018 hPa
Cloud cover7%5%8%0%6%3%40%71%
Heat index20°C (67°F)19°C (67°F)19°C (66°F)20°C (67°F)20°C (67°F)19°C (66°F)19°C (67°F)19°C (67°F)
Dew point13°C (55°F)12°C (54°F)13°C (55°F)13°C (55°F)11°C (53°F)11°C (51°F)11°C (52°F)12°C (53°F)
Wind
Speed28km/h (17mph)27km/h (17mph)28km/h (17mph)28km/h (18mph)30km/h (19mph)30km/h (19mph)26km/h (16mph)23km/h (14mph)
Gusts38km/h (24mph)37km/h (23mph)38km/h (24mph)37km/h (23mph)45km/h (28mph)35km/h (22mph)40km/h (25mph)33km/h (20mph)
Direction 49°
NE
47°
NE
46°
NE
42°
NE
31°
NNE
40°
NE
45°
NE
46°
NE
Wind chill20°C (67°F)19°C (67°F)19°C (66°F)20°C (67°F)20°C (67°F)19°C (66°F)19°C (67°F)19°C (67°F)
Waves
Height1.5m (5.1ft)1.5m (5.1ft)1.5m (5.0ft)1.5m (4.8ft)1.4m (4.6ft)1.4m (4.6ft)1.4m (4.5ft)1.3m (4.4ft)
Direction 98°
E
90°
E
92°
E
95°
E
99°
E
106°
ESE
110°
ESE
112°
ESE
Period8.2 sec.8.0 sec.7.9 sec.7.9 sec.7.9 sec.8.2 sec.7.6 sec.7.5 sec.
Significant height1.3m (4.3ft)1.4m (4.6ft)1.4m (4.6ft)1.3m (4.3ft)1.3m (4.3ft)1.0m (3.3ft)1.2m (3.9ft)1.0m (3.3ft)
Sea water temperature
Water 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 (73°F)23°C (73°F)

Sea weather on Tuesday 20 January 2026

On Tuesday 20 January 2026, the sun will rise at 07:18 and will set at 18:03 on the beach(es) of Naha. The outside temperature will be a high of 67°F t and a low of 61°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 26.1mph km/h (with gusts up to 33.6mph). Wave height will be up to 8.2ft 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 (66°F)19°C (66°F)18°C (64°F)17°C (62°F)16°C (61°F)
Perceived temperature19°C (67°F)19°C (67°F)19°C (66°F)19°C (66°F)19°C (66°F)18°C (64°F)17°C (62°F)16°C (61°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity67%63%59%61%61%74%75%76%
Barometric pressure1017 hPa1016 hPa1017 hPa1019 hPa1018 hPa1017 hPa1018 hPa1020 hPa
Cloud cover64%68%100%12%78%100%85%97%
Heat index19°C (67°F)19°C (67°F)19°C (66°F)19°C (66°F)19°C (66°F)18°C (64°F)17°C (62°F)16°C (61°F)
Dew point13°C (55°F)12°C (54°F)11°C (52°F)12°C (53°F)11°C (53°F)13°C (56°F)12°C (54°F)12°C (54°F)
Wind
Speed24km/h (15mph)25km/h (15mph)21km/h (13mph)28km/h (17mph)26km/h (16mph)37km/h (23mph)40km/h (25mph)42km/h (26mph)
Gusts32km/h (20mph)33km/h (21mph)29km/h (18mph)36km/h (23mph)35km/h (22mph)49km/h (30mph)54km/h (34mph)53km/h (33mph)
Direction 49°
NE
49°
NE
36°
NE
24°
NNE
11°
N

N

N
358°
N
Wind chill19°C (67°F)19°C (67°F)19°C (66°F)19°C (66°F)19°C (66°F)18°C (64°F)17°C (62°F)16°C (61°F)
Waves
Height1.3m (4.3ft)1.2m (4.1ft)1.3m (4.1ft)1.4m (4.6ft)1.6m (5.2ft)1.6m (5.3ft)1.9m (6.3ft)2.5m (8.4ft)
Direction 90°
E
94°
E
121°
ESE
121°
ESE
120°
ESE
54°
NE
344°
NNW
339°
NNW
Period7.4 sec.7.3 sec.7.0 sec.8.7 sec.8.8 sec.8.8 sec.8.9 sec.8.9 sec.
Significant height1.0m (3.3ft)0.9m (3ft)0.9m (3ft)0.9m (3ft)1.7m (5.6ft)1.6m (5.2ft)1.6m (5.2ft)1.9m (6.2ft)
Sea water temperature
Water 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 (73°F)23°C (73°F)

Sea weather on Wednesday 21 January 2026

On Wednesday 21 January 2026, the sun will rise at 07:18 and will set at 18:04 on the beach(es) of Naha. The outside temperature will be a high of 61°F t and a low of 56°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 28mph km/h (with gusts up to 34.2mph). Wave height will be up to 10.8ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature16°C (60°F)15°C (59°F)14°C (58°F)14°C (57°F)14°C (57°F)14°C (56°F)13°C (56°F)13°C (56°F)
Perceived temperature16°C (60°F)12°C (54°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (51°F)10°C (50°F)10°C (50°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity75%74%75%74%73%72%72%70%
Barometric pressure1020 hPa1020 hPa1020 hPa1021 hPa1021 hPa1019 hPa1021 hPa1022 hPa
Cloud cover100%100%100%100%98%100%100%100%
Heat index16°C (60°F)15°C (59°F)14°C (58°F)14°C (57°F)14°C (57°F)14°C (56°F)13°C (56°F)13°C (56°F)
Dew point11°C (52°F)10°C (51°F)10°C (50°F)9°C (49°F)9°C (48°F)9°C (48°F)8°C (47°F)8°C (46°F)
Wind
Speed43km/h (27mph)42km/h (26mph)45km/h (28mph)42km/h (26mph)41km/h (26mph)41km/h (26mph)43km/h (27mph)44km/h (27mph)
Gusts53km/h (33mph)50km/h (31mph)55km/h (34mph)54km/h (33mph)50km/h (31mph)50km/h (31mph)54km/h (34mph)53km/h (33mph)
Direction 355°
N
353°
N
353°
N
358°
N
357°
N

N
360°
N

N
Wind chill16°C (60°F)12°C (54°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (51°F)10°C (50°F)10°C (50°F)
Waves
Height2.8m (9.2ft)3.0m (9.9ft)3.0m (10.0ft)3.0m (10.0ft)3.0m (10.0ft)3.1m (10.0ft)3.2m (10.4ft)3.3m (10.8ft)
Direction 343°
NNW
343°
NNW
345°
NNW
344°
NNW
345°
NNW
345°
NNW
346°
NNW
347°
NNW
Period8.9 sec.9.0 sec.9.0 sec.9.0 sec.9.0 sec.9.1 sec.9.2 sec.9.3 sec.
Significant height1.7m (5.6ft)1.7m (5.6ft)1.6m (5.2ft)1.6m (5.2ft)1.6m (5.2ft)1.8m (5.9ft)1.8m (5.9ft)1.8m (5.9ft)
Sea water temperature
Water 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 (73°F)23°C (73°F)

Sea weather on Thursday 22 January 2026

On Thursday 22 January 2026, the sun will rise at 07:18 and will set at 18:04 on the beach(es) of Naha. The outside temperature will be a high of 56°F t and a low of 56°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 25.5mph km/h (with gusts up to 31.7mph). Wave height will be up to 10.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (56°F)13°C (56°F)13°C (56°F)
Perceived temperature10°C (50°F)10°C (50°F)10°C (49°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (51°F)11°C (51°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity71%70%69%67%68%66%62%64%
Barometric pressure1022 hPa1022 hPa1022 hPa1024 hPa1024 hPa1022 hPa1023 hPa1024 hPa
Cloud cover100%100%100%100%98%100%100%99%
Heat index13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (56°F)13°C (56°F)13°C (56°F)
Dew point8°C (46°F)7°C (45°F)7°C (45°F)7°C (45°F)7°C (45°F)7°C (44°F)6°C (43°F)7°C (44°F)
Wind
Speed40km/h (25mph)40km/h (25mph)41km/h (25mph)39km/h (24mph)37km/h (23mph)39km/h (24mph)38km/h (23mph)35km/h (22mph)
Gusts48km/h (30mph)51km/h (32mph)49km/h (30mph)48km/h (30mph)44km/h (28mph)47km/h (29mph)48km/h (30mph)42km/h (26mph)
Direction
N
357°
N
356°
N
359°
N
359°
N
359°
N

N

N
Wind chill10°C (50°F)10°C (50°F)10°C (49°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (51°F)11°C (51°F)
Waves
Height3.1m (10.1ft)2.8m (9.2ft)2.6m (8.4ft)2.4m (7.8ft)2.2m (7.2ft)2.0m (6.6ft)1.9m (6.3ft)1.8m (6.0ft)
Direction 349°
NNW
350°
N
351°
N
351°
N
352°
N
352°
N
353°
N
355°
N
Period9.5 sec.9.7 sec.9.7 sec.9.6 sec.9.4 sec.9.4 sec.9.4 sec.9.2 sec.
Significant height1.5m (4.9ft)1.3m (4.3ft)1.3m (4.3ft)1.2m (3.9ft)1.1m (3.6ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)
Sea water temperature
Water 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 (73°F)23°C (73°F)

Sea weather on Friday 23 January 2026

On Friday 23 January 2026, the sun will rise at 07:18 and will set at 18:05 on the beach(es) of Naha. The outside temperature will be a high of 59°F t and a low of 56°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 24.2mph). Wave height will be up to 5.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature13°C (56°F)13°C (56°F)14°C (57°F)14°C (58°F)15°C (58°F)14°C (58°F)14°C (58°F)15°C (58°F)
Perceived temperature11°C (52°F)11°C (52°F)12°C (53°F)12°C (54°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (56°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity64%62%61%58%54%59%59%55%
Barometric pressure1024 hPa1024 hPa1024 hPa1025 hPa1025 hPa1024 hPa1024 hPa1025 hPa
Cloud cover100%100%85%100%92%100%88%88%
Heat index13°C (56°F)13°C (56°F)14°C (57°F)14°C (58°F)15°C (58°F)14°C (58°F)14°C (58°F)15°C (58°F)
Dew point7°C (44°F)6°C (43°F)6°C (43°F)6°C (43°F)5°C (42°F)7°C (44°F)6°C (43°F)6°C (42°F)
Wind
Speed32km/h (20mph)28km/h (18mph)26km/h (16mph)26km/h (16mph)22km/h (14mph)24km/h (15mph)21km/h (13mph)17km/h (11mph)
Gusts39km/h (24mph)35km/h (22mph)33km/h (20mph)32km/h (20mph)28km/h (17mph)31km/h (19mph)29km/h (18mph)24km/h (15mph)
Direction 14°
NNE
16°
NNE
14°
NNE
15°
NNE
14°
NNE
17°
NNE
33°
NNE
37°
NE
Wind chill11°C (52°F)11°C (52°F)12°C (53°F)12°C (54°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (56°F)
Waves
Height1.7m (5.6ft)1.6m (5.2ft)1.4m (4.8ft)1.3m (4.4ft)1.2m (4.0ft)1.1m (3.7ft)1.0m (3.4ft)1.0m (3.2ft)
Direction 353°
N
353°
N
353°
N
353°
N
353°
N
353°
N
353°
N
352°
N
Period8.6 sec.8.4 sec.8.3 sec.8.2 sec.8.0 sec.7.8 sec.7.6 sec.7.5 sec.
Significant height0.7m (2.3ft)0.6m (2ft)0.5m (1.6ft)0.4m (1.3ft)0.3m (1ft)0.4m (1.3ft)1.1m (3.6ft)1.0m (3.3ft)
Sea water temperature
Water 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 (73°F)23°C (73°F)

Sea weather on Saturday 24 January 2026

On Saturday 24 January 2026, the sun will rise at 07:17 and will set at 18:06 on the beach(es) of Naha. The outside temperature will be a high of 61°F t and a low of 58°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 19.9mph). Wave height will be up to 3.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature14°C (58°F)14°C (58°F)15°C (58°F)15°C (60°F)16°C (60°F)15°C (60°F)16°C (61°F)16°C (61°F)
Perceived temperature13°C (56°F)13°C (56°F)13°C (56°F)15°C (60°F)16°C (60°F)15°C (60°F)16°C (61°F)16°C (61°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity58%60%60%59%54%55%59%61%
Barometric pressure1025 hPa1025 hPa1026 hPa1027 hPa1026 hPa1024 hPa1025 hPa1026 hPa
Cloud cover60%39%74%70%8%4%80%94%
Heat index14°C (58°F)14°C (58°F)15°C (58°F)15°C (60°F)16°C (60°F)15°C (60°F)16°C (61°F)16°C (61°F)
Dew point6°C (43°F)7°C (44°F)7°C (44°F)7°C (45°F)6°C (43°F)6°C (43°F)8°C (47°F)9°C (48°F)
Wind
Speed15km/h (9mph)16km/h (10mph)16km/h (10mph)15km/h (10mph)14km/h (9mph)15km/h (9mph)21km/h (13mph)24km/h (15mph)
Gusts21km/h (13mph)23km/h (14mph)23km/h (14mph)20km/h (12mph)20km/h (13mph)24km/h (15mph)30km/h (19mph)32km/h (20mph)
Direction 45°
NE
29°
NNE
24°
NNE
34°
NNE
43°
NE
37°
NE
58°
ENE
64°
ENE
Wind chill13°C (56°F)13°C (56°F)13°C (56°F)15°C (60°F)16°C (60°F)15°C (60°F)16°C (61°F)16°C (61°F)
Waves
Height0.9m (3.1ft)0.9m (2.9ft)0.9m (2.8ft)0.8m (2.8ft)0.8m (2.7ft)0.8m (2.7ft)0.9m (3.0ft)1.1m (3.6ft)
Direction 353°
N
354°
N
356°
N
358°
N
360°
N

N

N
11°
NNE
Period7.3 sec.7.3 sec.7.3 sec.7.2 sec.7.1 sec.9.3 sec.9.2 sec.9.2 sec.
Significant height1.0m (3.3ft)0.9m (3ft)0.9m (3ft)0.9m (3ft)0.9m (3ft)0.8m (2.6ft)1.0m (3.3ft)1.1m (3.6ft)
Sea water temperature
Water 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 (73°F)23°C (73°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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