Sea weather in Goto islands in Japan All the beach weather in Goto islands

All the essential weather information for enjoying the beach in Goto islands 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 Goto islands over the next 7 days?

Discover the best moment to go to the beach in Goto islands in Japan this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Goto islands. 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 202550°F to 52°Fdiscouraged
Tuesday 16 December 202554°F to 59°Frecommended
Wednesday 17 December 202556°F to 63°Fdiscouraged
Thursday 18 December 202552°F to 58°Fdiscouraged
Friday 19 December 202556°F to 63°Frecommended
Saturday 20 December 202561°F to 65°Fdiscouraged
Sunday 21 December 202554°F to 65°Fnot recommended

Sea Weather: Your daily and hourly sea weather in Goto islands

Sea weather on Monday 15 December 2025

On Monday 15 December 2025, the sun will rise at 07:20 and will set at 17:20 on the beach(es) of Goto islands. The outside temperature will be a high of 52°F t and a low of 50°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 7.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature11°C (51°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)10°C (51°F)11°C (52°F)
Perceived temperature7°C (45°F)8°C (46°F)8°C (46°F)9°C (48°F)9°C (48°F)9°C (47°F)9°C (47°F)10°C (50°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity64%60%57%57%59%59%61%60%
Barometric pressure1022 hPa1023 hPa1023 hPa1025 hPa1024 hPa1024 hPa1024 hPa1025 hPa
Cloud cover100%100%100%99%57%25%36%40%
Heat index11°C (51°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)10°C (51°F)11°C (52°F)
Dew point4°C (40°F)4°C (38°F)3°C (37°F)3°C (38°F)4°C (38°F)3°C (38°F)3°C (38°F)4°C (38°F)
Wind
Speed38km/h (23mph)35km/h (21mph)31km/h (19mph)25km/h (15mph)23km/h (15mph)20km/h (12mph)14km/h (9mph)9km/h (5mph)
Gusts45km/h (28mph)41km/h (26mph)37km/h (23mph)30km/h (19mph)29km/h (18mph)27km/h (17mph)21km/h (13mph)13km/h (8mph)
Direction 323°
NW
329°
NNW
329°
NNW
337°
NNW
336°
NNW
335°
NNW
331°
NNW
309°
NW
Wind chill7°C (45°F)8°C (46°F)8°C (46°F)9°C (48°F)9°C (48°F)9°C (47°F)9°C (47°F)10°C (50°F)
Waves
Height2.2m (7.1ft)1.8m (5.9ft)1.6m (5.3ft)1.4m (4.7ft)1.3m (4.2ft)1.1m (3.8ft)1.0m (3.2ft)0.8m (2.7ft)
Direction 303°
WNW
299°
WNW
302°
WNW
298°
WNW
302°
WNW
298°
WNW
305°
NW
293°
WNW
Period8.2 sec.8.2 sec.13.5 sec.12.1 sec.11.3 sec.6.6 sec.6.2 sec.5.1 sec.
Significant height1.3m (4.3ft)1.1m (3.6ft)1.1m (3.6ft)0.9m (3ft)0.9m (3ft)0.6m (2ft)0.4m (1.3ft)0.7m (2.3ft)
Sea water temperature
Water temperature21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)

Sea weather on Tuesday 16 December 2025

On Tuesday 16 December 2025, the sun will rise at 07:20 and will set at 17:21 on the beach(es) of Goto islands. The outside temperature will be a high of 59°F t and a low of 54°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 9.9mph km/h (with gusts up to 13.7mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature12°C (53°F)12°C (53°F)13°C (55°F)14°C (57°F)15°C (58°F)15°C (59°F)14°C (58°F)14°C (58°F)
Perceived temperature11°C (52°F)11°C (51°F)12°C (53°F)13°C (56°F)14°C (56°F)14°C (57°F)14°C (57°F)15°C (58°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity59%61%60%56%56%55%61%64%
Barometric pressure1024 hPa1024 hPa1024 hPa1024 hPa1023 hPa1023 hPa1023 hPa1023 hPa
Cloud cover46%33%28%43%79%73%71%56%
Heat index12°C (53°F)12°C (53°F)13°C (55°F)14°C (57°F)15°C (58°F)15°C (59°F)14°C (58°F)14°C (58°F)
Dew point4°C (39°F)5°C (40°F)5°C (41°F)5°C (42°F)6°C (43°F)6°C (43°F)7°C (44°F)8°C (46°F)
Wind
Speed8km/h (5mph)10km/h (6mph)11km/h (7mph)10km/h (6mph)16km/h (10mph)13km/h (8mph)11km/h (7mph)5km/h (3mph)
Gusts11km/h (7mph)14km/h (9mph)16km/h (10mph)14km/h (9mph)22km/h (14mph)18km/h (11mph)17km/h (10mph)7km/h (4mph)
Direction 275°
W
260°
W
261°
W
240°
WSW
273°
W
268°
W
293°
WNW
295°
WNW
Wind chill11°C (52°F)11°C (51°F)12°C (53°F)13°C (56°F)14°C (56°F)14°C (57°F)14°C (57°F)15°C (58°F)
Waves
Height0.7m (2.3ft)0.6m (2.1ft)0.6m (2.0ft)0.6m (2.0ft)0.6m (2.0ft)0.5m (1.8ft)0.5m (1.6ft)0.5m (1.6ft)
Direction 278°
W
22°
NNE
25°
NNE
27°
NNE
29°
NNE
30°
NNE
29°
NNE
30°
NNE
Period5.8 sec.9.4 sec.9.4 sec.9.5 sec.9.7 sec.9.6 sec.9.4 sec.9.2 sec.
Significant height0.4m (1.3ft)0.6m (2ft)0.8m (2.6ft)0.7m (2.3ft)0.8m (2.6ft)0.7m (2.3ft)0.6m (2ft)0.6m (2ft)
Sea water temperature
Water temperature21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)

Sea weather on Wednesday 17 December 2025

On Wednesday 17 December 2025, the sun will rise at 07:21 and will set at 17:21 on the beach(es) of Goto islands. The outside temperature will be a high of 63°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 22.4mph km/h (with gusts up to 29.2mph). Wave height will be up to 3.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature15°C (59°F)15°C (59°F)15°C (59°F)17°C (62°F)16°C (60°F)15°C (59°F)14°C (57°F)14°C (57°F)
Perceived temperature15°C (59°F)15°C (59°F)15°C (59°F)17°C (62°F)16°C (60°F)15°C (59°F)12°C (53°F)12°C (53°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity61%65%67%62%80%75%67%64%
Barometric pressure1023 hPa1022 hPa1021 hPa1021 hPa1020 hPa1020 hPa1022 hPa1023 hPa
Cloud cover52%65%62%71%70%100%64%21%
Heat index15°C (59°F)15°C (59°F)15°C (59°F)17°C (62°F)16°C (60°F)15°C (59°F)14°C (57°F)14°C (57°F)
Dew point7°C (45°F)8°C (47°F)9°C (48°F)9°C (48°F)12°C (54°F)11°C (51°F)8°C (46°F)7°C (45°F)
Wind
Speed6km/h (4mph)7km/h (4mph)8km/h (5mph)16km/h (10mph)33km/h (21mph)36km/h (22mph)27km/h (17mph)24km/h (15mph)
Gusts8km/h (5mph)10km/h (6mph)12km/h (7mph)22km/h (14mph)45km/h (28mph)47km/h (29mph)39km/h (24mph)32km/h (20mph)
Direction 270°
W
277°
W
249°
WSW
218°
SW
307°
NW
328°
NNW
331°
NNW
351°
N
Wind chill15°C (59°F)15°C (59°F)15°C (59°F)17°C (62°F)16°C (60°F)15°C (59°F)12°C (53°F)12°C (53°F)
Waves
Height0.5m (1.5ft)0.5m (1.6ft)0.7m (2.3ft)0.9m (3.1ft)0.9m (2.9ft)0.9m (2.8ft)1.0m (3.4ft)1.0m (3.3ft)
Direction 31°
NNE
32°
NNE
260°
W
266°
W
278°
W
266°
W
291°
WNW
291°
WNW
Period9.2 sec.9.2 sec.9.2 sec.9.2 sec.5.0 sec.5.1 sec.8.9 sec.8.8 sec.
Significant height0.6m (2ft)0.7m (2.3ft)1.0m (3.3ft)1.1m (3.6ft)0.5m (1.6ft)1.0m (3.3ft)1.0m (3.3ft)0.9m (3ft)
Sea water temperature
Water temperature21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)

Sea weather on Thursday 18 December 2025

On Thursday 18 December 2025, the sun will rise at 07:21 and will set at 17:21 on the beach(es) of Goto islands. The outside temperature will be a high of 58°F t and a low of 52°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 15.5mph km/h (with gusts up to 20.5mph). Wave height will be up to 3.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature14°C (58°F)14°C (58°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (56°F)13°C (55°F)13°C (56°F)
Perceived temperature13°C (55°F)13°C (55°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)11°C (53°F)12°C (54°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity69%65%60%59%57%57%59%60%
Barometric pressure1023 hPa1023 hPa1024 hPa1026 hPa1025 hPa1024 hPa1025 hPa1025 hPa
Cloud cover63%77%14%17%14%18%14%2%
Heat index14°C (58°F)14°C (58°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (56°F)13°C (55°F)13°C (56°F)
Dew point9°C (47°F)8°C (46°F)6°C (44°F)6°C (43°F)5°C (41°F)5°C (41°F)5°C (41°F)6°C (42°F)
Wind
Speed22km/h (13mph)25km/h (16mph)23km/h (14mph)18km/h (11mph)17km/h (10mph)15km/h (9mph)13km/h (8mph)11km/h (7mph)
Gusts30km/h (19mph)33km/h (20mph)29km/h (18mph)23km/h (14mph)23km/h (14mph)22km/h (14mph)22km/h (14mph)16km/h (10mph)
Direction 28°
NNE
25°
NNE
20°
NNE
21°
NNE
12°
NNE

N
13°
NNE
20°
NNE
Wind chill13°C (55°F)13°C (55°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)11°C (53°F)12°C (54°F)
Waves
Height1.0m (3.3ft)1.0m (3.4ft)1.0m (3.4ft)0.9m (3.1ft)0.8m (2.8ft)0.8m (2.6ft)0.7m (2.3ft)0.6m (2.0ft)
Direction 294°
WNW
295°
WNW
302°
WNW
307°
NW
22°
NNE
24°
NNE
26°
NNE
28°
NNE
Period5.6 sec.6.0 sec.5.9 sec.5.7 sec.5.5 sec.5.3 sec.5.0 sec.8.1 sec.
Significant height0.8m (2.6ft)0.9m (3ft)0.7m (2.3ft)0.6m (2ft)0.5m (1.6ft)0.4m (1.3ft)0.4m (1.3ft)0.8m (2.6ft)
Sea water temperature
Water temperature21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)

Sea weather on Friday 19 December 2025

On Friday 19 December 2025, the sun will rise at 07:22 and will set at 17:22 on the beach(es) of Goto islands. The outside temperature will be a high of 63°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 9.9mph km/h (with gusts up to 14.3mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature13°C (56°F)13°C (56°F)13°C (56°F)14°C (57°F)13°C (55°F)15°C (60°F)16°C (60°F)17°C (62°F)
Perceived temperature13°C (55°F)14°C (57°F)13°C (56°F)14°C (58°F)13°C (56°F)15°C (60°F)16°C (60°F)17°C (62°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity60%58%58%59%56%59%67%71%
Barometric pressure1025 hPa1025 hPa1025 hPa1024 hPa1024 hPa1022 hPa1022 hPa1023 hPa
Cloud cover3%0%0%0%0%23%64%81%
Heat index13°C (56°F)13°C (56°F)13°C (56°F)14°C (57°F)13°C (55°F)15°C (60°F)16°C (60°F)17°C (62°F)
Dew point6°C (42°F)5°C (41°F)5°C (41°F)6°C (43°F)4°C (40°F)7°C (45°F)10°C (49°F)11°C (52°F)
Wind
Speed8km/h (5mph)3km/h (2mph)1km/h (1mph)4km/h (3mph)4km/h (2mph)9km/h (6mph)13km/h (8mph)16km/h (10mph)
Gusts11km/h (7mph)5km/h (3mph)2km/h (1mph)6km/h (4mph)8km/h (5mph)14km/h (8mph)20km/h (12mph)23km/h (14mph)
Direction 35°
NE
104°
ESE
117°
ESE
111°
ESE
105°
ESE
125°
SE
124°
ESE
147°
SSE
Wind chill13°C (55°F)14°C (57°F)13°C (56°F)14°C (58°F)13°C (56°F)15°C (60°F)16°C (60°F)17°C (62°F)
Waves
Height0.5m (1.8ft)0.5m (1.5ft)0.4m (1.3ft)0.3m (1.1ft)0.3m (0.9ft)0.2m (0.8ft)0.2m (0.7ft)0.2m (0.6ft)
Direction 29°
NNE
30°
NNE
29°
NNE
30°
NNE
28°
NNE
26°
NNE
28°
NNE
28°
NNE
Period7.8 sec.7.6 sec.7.4 sec.7.0 sec.6.8 sec.6.7 sec.6.4 sec.6.2 sec.
Significant height0.7m (2.3ft)0.6m (2ft)0.4m (1.3ft)0.4m (1.3ft)0.3m (1ft)0.3m (1ft)0.4m (1.3ft)0.3m (1ft)
Sea water temperature
Water temperature21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)

Sea weather on Saturday 20 December 2025

On Saturday 20 December 2025, the sun will rise at 07:23 and will set at 17:22 on the beach(es) of Goto islands. The outside temperature will be a high of 65°F t and a low of 61°F. Precipitation is in the forecast (0.5in 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 18.6mph km/h (with gusts up to 27.3mph). Wave height will be up to 0.7ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature17°C (62°F)18°C (64°F)17°C (63°F)18°C (64°F)18°C (64°F)17°C (63°F)16°C (62°F)17°C (62°F)
Perceived temperature17°C (62°F)18°C (64°F)17°C (63°F)18°C (64°F)18°C (64°F)17°C (63°F)16°C (62°F)17°C (62°F)
Precipitation0in0in0in0in0in0in0.2in0.2in
Humidity74%76%85%82%85%91%92%92%
Barometric pressure1022 hPa1021 hPa1021 hPa1021 hPa1020 hPa1019 hPa1019 hPa1018 hPa
Cloud cover70%56%97%72%95%91%77%68%
Heat index17°C (62°F)18°C (64°F)17°C (63°F)18°C (64°F)18°C (64°F)17°C (63°F)16°C (62°F)17°C (62°F)
Dew point12°C (54°F)14°C (56°F)15°C (58°F)15°C (58°F)15°C (59°F)16°C (61°F)15°C (59°F)15°C (59°F)
Wind
Speed17km/h (11mph)13km/h (8mph)13km/h (8mph)13km/h (8mph)25km/h (15mph)25km/h (16mph)30km/h (19mph)28km/h (18mph)
Gusts25km/h (15mph)19km/h (12mph)19km/h (11mph)19km/h (12mph)35km/h (22mph)37km/h (23mph)44km/h (27mph)40km/h (25mph)
Direction 145°
SE
175°
S
139°
SE
147°
SSE
157°
SSE
156°
SSE
128°
SE
116°
ESE
Wind chill17°C (62°F)18°C (64°F)17°C (63°F)18°C (64°F)18°C (64°F)17°C (63°F)16°C (62°F)17°C (62°F)
Waves
Height0.1m (0.5ft)0.1m (0.4ft)0.1m (0.5ft)0.2m (0.6ft)0.2m (0.6ft)0.2m (0.6ft)0.1m (0.5ft)0.1m (0.4ft)
Direction 27°
NNE
29°
NNE
34°
NE
70°
ENE
73°
ENE
71°
ENE
340°
NNW
341°
NNW
Period6.1 sec.6.0 sec.5.7 sec.5.6 sec.2.9 sec.2.8 sec.2.7 sec.2.7 sec.
Significant height0.2m (0.7ft)0.2m (0.7ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)
Sea water temperature
Water temperature21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)

Sea weather on Sunday 21 December 2025

On Sunday 21 December 2025, the sun will rise at 07:23 and will set at 17:23 on the beach(es) of Goto islands. The outside temperature will be a high of 65°F t and a low of 54°F. Precipitation is in the forecast (0.2in throughout the day): choose the right time to go to the beach and dodge the raindrops. Be careful, the sea will be generally rough with a wind speed of up to 31.1mph km/h (with gusts up to 37.3mph). Wave height will be up to 5.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature17°C (62°F)17°C (63°F)18°C (64°F)17°C (63°F)16°C (61°F)14°C (57°F)12°C (54°F)12°C (54°F)
Perceived temperature17°C (62°F)17°C (63°F)18°C (64°F)17°C (63°F)16°C (61°F)11°C (51°F)8°C (47°F)8°C (47°F)
Precipitation0.1in0in0in0in0in0in0in0in
Humidity93%94%88%87%79%69%60%64%
Barometric pressure1016 hPa1014 hPa1013 hPa1013 hPa1013 hPa1012 hPa1014 hPa1015 hPa
Cloud cover100%100%71%100%100%11%4%3%
Heat index17°C (62°F)17°C (63°F)18°C (64°F)17°C (63°F)16°C (61°F)14°C (57°F)12°C (54°F)12°C (54°F)
Dew point16°C (60°F)16°C (61°F)16°C (60°F)15°C (59°F)12°C (54°F)8°C (47°F)5°C (40°F)5°C (42°F)
Wind
Speed24km/h (15mph)22km/h (14mph)14km/h (9mph)35km/h (22mph)41km/h (25mph)48km/h (30mph)50km/h (31mph)50km/h (31mph)
Gusts33km/h (20mph)30km/h (19mph)20km/h (13mph)35km/h (22mph)53km/h (33mph)48km/h (30mph)56km/h (35mph)60km/h (37mph)
Direction 119°
ESE
120°
ESE
266°
W
336°
NNW
325°
NW
327°
NNW
330°
NNW
328°
NNW
Wind chill17°C (62°F)17°C (63°F)18°C (64°F)17°C (63°F)16°C (61°F)11°C (51°F)8°C (47°F)8°C (47°F)
Waves
Height0.1m (0.4ft)0.3m (1.0ft)0.6m (1.9ft)1.0m (3.2ft)1.3m (4.4ft)1.2m (4.0ft)1.3m (4.4ft)1.8m (5.8ft)
Direction 346°
NNW
162°
SSE
176°
S
186°
S
210°
SSW
235°
SW
253°
WSW
305°
NW
Period2.6 sec.2.6 sec.2.6 sec.2.6 sec.2.6 sec.5.4 sec.5.6 sec.10.8 sec.
Significant height0.4m (1.3ft)0.7m (2.3ft)1.0m (3.3ft)1.3m (4.3ft)1.5m (4.9ft)0.7m (2.3ft)1.3m (4.3ft)1.6m (5.2ft)
Sea water temperature
Water temperature21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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