Sea weather in Okayama in Japan All the beach weather in Okayama

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

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

Date Outside temp. Our opinion
Friday 5 December 202538°F to 49°Fdiscouraged
Saturday 6 December 202541°F to 49°Frecommended
Sunday 7 December 202549°F to 58°Fdiscouraged
Monday 8 December 202549°F to 58°Fdiscouraged
Tuesday 9 December 202543°F to 54°Frecommended
Wednesday 10 December 202547°F to 50°Frecommended
Thursday 11 December 202549°F to 54°Frecommended

Sea Weather: Your daily and hourly sea weather in Okayama

Sea weather on Friday 5 December 2025

On Friday 5 December 2025, the sun will rise at 06:56 and will set at 16:53 on the beach(es) of Okayama. The outside temperature will be a high of 49°F t and a low of 38°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 27.3mph). Wave height will be up to 3.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature7°C (45°F)7°C (45°F)7°C (45°F)7°C (44°F)9°C (48°F)9°C (49°F)6°C (42°F)7°C (44°F)
Perceived temperature3°C (37°F)3°C (37°F)3°C (37°F)2°C (36°F)5°C (40°F)6°C (42°F)2°C (35°F)5°C (40°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity60%60%66%71%45%48%62%65%
Barometric pressure1022 hPa1021 hPa1020 hPa1022 hPa1022 hPa1022 hPa1023 hPa1024 hPa
Cloud cover12%16%25%85%45%38%3%0%
Heat index7°C (45°F)7°C (45°F)7°C (45°F)7°C (44°F)9°C (48°F)9°C (49°F)6°C (42°F)7°C (44°F)
Dew point-0°C (32°F)-0°C (32°F)1°C (34°F)2°C (35°F)-3°C (27°F)-1°C (30°F)-1°C (30°F)1°C (33°F)
Wind
Speed28km/h (17mph)28km/h (17mph)32km/h (20mph)32km/h (20mph)36km/h (23mph)30km/h (19mph)21km/h (13mph)11km/h (7mph)
Gusts38km/h (24mph)39km/h (24mph)44km/h (27mph)38km/h (24mph)44km/h (28mph)40km/h (25mph)26km/h (16mph)17km/h (10mph)
Direction 282°
WNW
278°
W
274°
W
307°
NW
294°
WNW
314°
NW
312°
NW
320°
NW
Wind chill3°C (37°F)3°C (37°F)3°C (37°F)2°C (36°F)5°C (40°F)6°C (42°F)2°C (35°F)5°C (40°F)
Waves
Height0.9m (3.0ft)0.9m (2.9ft)0.7m (2.4ft)1.0m (3.3ft)1.0m (3.3ft)0.8m (2.6ft)0.6m (1.9ft)0.4m (1.3ft)
Direction 286°
WNW
283°
WNW
279°
W
289°
WNW
289°
WNW
294°
WNW
299°
WNW
303°
WNW
Period0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.
Significant height1.2m (3.9ft)1.1m (3.6ft)0.9m (3ft)1.5m (4.9ft)1.3m (4.3ft)0.9m (3ft)0.8m (2.6ft)0.5m (1.6ft)
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 6 December 2025

On Saturday 6 December 2025, the sun will rise at 06:56 and will set at 16:53 on the beach(es) of Okayama. The outside temperature will be a high of 49°F t and a low of 41°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 4.4mph km/h (with gusts up to 6.8mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature6°C (43°F)6°C (43°F)6°C (42°F)6°C (44°F)6°C (43°F)6°C (44°F)5°C (42°F)9°C (49°F)
Perceived temperature5°C (41°F)5°C (41°F)4°C (39°F)6°C (44°F)6°C (43°F)6°C (43°F)4°C (40°F)9°C (48°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity70%69%72%66%58%52%54%59%
Barometric pressure1024 hPa1024 hPa1025 hPa1025 hPa1024 hPa1023 hPa1024 hPa1024 hPa
Cloud cover0%0%0%0%0%0%0%0%
Heat index6°C (43°F)6°C (43°F)6°C (42°F)6°C (44°F)6°C (43°F)6°C (44°F)5°C (42°F)9°C (49°F)
Dew point1°C (34°F)1°C (34°F)1°C (34°F)1°C (33°F)-1°C (29°F)-3°C (27°F)-3°C (26°F)2°C (35°F)
Wind
Speed7km/h (4mph)5km/h (3mph)7km/h (4mph)3km/h (2mph)3km/h (2mph)4km/h (2mph)5km/h (3mph)5km/h (3mph)
Gusts11km/h (7mph)8km/h (5mph)11km/h (7mph)4km/h (2mph)6km/h (4mph)8km/h (5mph)11km/h (7mph)8km/h (5mph)
Direction 339°
NNW
329°
NNW
342°
NNW
328°
NNW
195°
SSW
218°
SW
221°
SW
231°
SW
Wind chill5°C (41°F)5°C (41°F)4°C (39°F)6°C (44°F)6°C (43°F)6°C (43°F)4°C (40°F)9°C (48°F)
Waves
Height0.2m (0.7ft)0.1m (0.4ft)0.2m (0.7ft)0.2m (0.5ft)0.6m (2.0ft)0.4m (1.4ft)0.3m (1.0ft)0.2m (0.5ft)
Direction 305°
NW
310°
NW
140°
SE
135°
SE
135°
SE
136°
SE
136°
SE
248°
WSW
Period3.0 sec.2.8 sec.2.8 sec.2.8 sec.2.8 sec.2.8 sec.2.8 sec.2.8 sec.
Significant height0.2m (0.7ft)0.1m (0.3ft)0.2m (0.7ft)0.1m (0.3ft)0.1m (0.3ft)0.1m (0.3ft)0.1m (0.3ft)0.5m (1.6ft)
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 Sunday 7 December 2025

On Sunday 7 December 2025, the sun will rise at 06:57 and will set at 16:53 on the beach(es) of Okayama. The outside temperature will be a high of 58°F t and a low of 49°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 19.3mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature9°C (48°F)10°C (50°F)10°C (50°F)12°C (53°F)13°C (56°F)14°C (58°F)14°C (57°F)14°C (57°F)
Perceived temperature8°C (46°F)9°C (48°F)8°C (47°F)11°C (51°F)12°C (54°F)13°C (55°F)12°C (53°F)12°C (54°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity62%63%66%60%60%63%69%72%
Barometric pressure1024 hPa1023 hPa1023 hPa1023 hPa1022 hPa1020 hPa1021 hPa1021 hPa
Cloud cover27%31%32%9%55%47%84%76%
Heat index9°C (48°F)10°C (50°F)10°C (50°F)12°C (53°F)13°C (56°F)14°C (58°F)14°C (57°F)14°C (57°F)
Dew point2°C (36°F)3°C (38°F)4°C (39°F)4°C (39°F)6°C (42°F)7°C (45°F)8°C (47°F)9°C (48°F)
Wind
Speed8km/h (5mph)7km/h (4mph)12km/h (7mph)8km/h (5mph)15km/h (9mph)21km/h (13mph)26km/h (16mph)18km/h (11mph)
Gusts12km/h (7mph)11km/h (7mph)18km/h (11mph)11km/h (7mph)20km/h (12mph)31km/h (19mph)27km/h (17mph)30km/h (19mph)
Direction 266°
W
234°
SW
260°
W
219°
SW
250°
WSW
254°
WSW
263°
W
275°
W
Wind chill8°C (46°F)9°C (48°F)8°C (47°F)11°C (51°F)12°C (54°F)13°C (55°F)12°C (53°F)12°C (54°F)
Waves
Height0.3m (0.9ft)0.3m (0.9ft)0.3m (1.0ft)0.5m (1.6ft)0.6m (1.9ft)0.7m (2.4ft)0.7m (2.3ft)0.5m (1.7ft)
Direction 253°
WSW
249°
WSW
243°
WSW
240°
WSW
243°
WSW
255°
WSW
249°
WSW
248°
WSW
Period2.8 sec.2.8 sec.2.8 sec.2.8 sec.2.8 sec.2.8 sec.2.8 sec.2.8 sec.
Significant height0.6m (2ft)0.5m (1.6ft)0.6m (2ft)0.8m (2.6ft)0.9m (3ft)1.1m (3.6ft)0.9m (3ft)0.6m (2ft)
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 8 December 2025

On Monday 8 December 2025, the sun will rise at 06:58 and will set at 16:53 on the beach(es) of Okayama. The outside temperature will be a high of 58°F t and a low of 49°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 25.5mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature13°C (55°F)12°C (54°F)12°C (54°F)13°C (56°F)14°C (56°F)14°C (56°F)11°C (52°F)10°C (50°F)
Perceived temperature11°C (52°F)10°C (50°F)10°C (50°F)11°C (52°F)12°C (53°F)11°C (53°F)8°C (47°F)8°C (46°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity70%73%74%64%56%50%56%65%
Barometric pressure1021 hPa1021 hPa1021 hPa1022 hPa1021 hPa1021 hPa1022 hPa1024 hPa
Cloud cover0%85%3%74%29%100%46%0%
Heat index13°C (55°F)12°C (54°F)12°C (54°F)13°C (56°F)14°C (56°F)14°C (56°F)11°C (52°F)10°C (50°F)
Dew point8°C (46°F)8°C (46°F)8°C (46°F)7°C (44°F)5°C (41°F)4°C (38°F)2°C (36°F)4°C (39°F)
Wind
Speed19km/h (12mph)22km/h (13mph)24km/h (15mph)26km/h (16mph)25km/h (15mph)27km/h (17mph)24km/h (15mph)15km/h (9mph)
Gusts31km/h (19mph)35km/h (22mph)41km/h (25mph)37km/h (23mph)34km/h (21mph)37km/h (23mph)37km/h (23mph)22km/h (14mph)
Direction 279°
W
282°
WNW
275°
W
281°
WNW
302°
WNW
304°
NW
313°
NW
319°
NW
Wind chill11°C (52°F)10°C (50°F)10°C (50°F)11°C (52°F)12°C (53°F)11°C (53°F)8°C (47°F)8°C (46°F)
Waves
Height0.4m (1.4ft)0.6m (1.9ft)0.6m (1.8ft)0.6m (2.1ft)0.7m (2.3ft)0.6m (2.1ft)0.7m (2.2ft)0.6m (1.9ft)
Direction 260°
W
258°
WSW
265°
W
268°
W
276°
W
287°
WNW
304°
WNW
311°
NW
Period2.8 sec.2.8 sec.2.8 sec.2.8 sec.2.8 sec.2.8 sec.2.8 sec.2.8 sec.
Significant height0.7m (2.3ft)0.9m (3ft)0.8m (2.6ft)1.0m (3.3ft)1.0m (3.3ft)0.8m (2.6ft)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 Tuesday 9 December 2025

On Tuesday 9 December 2025, the sun will rise at 06:59 and will set at 16:53 on the beach(es) of Okayama. The outside temperature will be a high of 54°F t and a low of 43°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 11.2mph km/h (with gusts up to 21.1mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature9°C (48°F)8°C (47°F)8°C (46°F)9°C (48°F)10°C (50°F)12°C (53°F)9°C (48°F)10°C (49°F)
Perceived temperature7°C (44°F)6°C (43°F)6°C (43°F)7°C (44°F)8°C (47°F)10°C (50°F)6°C (44°F)7°C (45°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity65%64%62%58%47%43%51%55%
Barometric pressure1024 hPa1024 hPa1025 hPa1027 hPa1026 hPa1025 hPa1026 hPa1027 hPa
Cloud cover0%0%0%0%9%29%5%0%
Heat index9°C (48°F)8°C (47°F)8°C (46°F)9°C (48°F)10°C (50°F)12°C (53°F)9°C (48°F)10°C (49°F)
Dew point3°C (37°F)2°C (35°F)1°C (34°F)1°C (34°F)-1°C (31°F)-1°C (31°F)-1°C (31°F)1°C (34°F)
Wind
Speed17km/h (10mph)15km/h (9mph)11km/h (7mph)14km/h (9mph)14km/h (9mph)14km/h (9mph)18km/h (11mph)15km/h (9mph)
Gusts24km/h (15mph)22km/h (14mph)16km/h (10mph)18km/h (11mph)20km/h (13mph)21km/h (13mph)34km/h (21mph)23km/h (14mph)
Direction 306°
NW
322°
NW
308°
NW
310°
NW
321°
NW
310°
NW
345°
NNW
339°
NNW
Wind chill7°C (44°F)6°C (43°F)6°C (43°F)7°C (44°F)8°C (47°F)10°C (50°F)6°C (44°F)7°C (45°F)
Waves
Height0.4m (1.3ft)0.3m (1.1ft)0.3m (1.0ft)0.3m (1.1ft)0.4m (1.4ft)0.4m (1.3ft)0.4m (1.3ft)0.3m (1.0ft)
Direction 315°
NW
314°
NW
321°
NW
319°
NW
322°
NW
329°
NNW
350°
N
359°
N
Period9.4 sec.9.4 sec.9.2 sec.9.2 sec.9.0 sec.2.8 sec.2.8 sec.2.8 sec.
Significant height0.6m (2ft)0.6m (2ft)0.5m (1.6ft)0.6m (2ft)0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)0.4m (1.3ft)
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 Wednesday 10 December 2025

On Wednesday 10 December 2025, the sun will rise at 07:00 and will set at 16:53 on the beach(es) of Okayama. The outside temperature will be a high of 50°F t and a low of 47°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 7.5mph km/h (with gusts up to 11.2mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature9°C (48°F)8°C (46°F)8°C (46°F)9°C (47°F)9°C (49°F)10°C (51°F)10°C (49°F)10°C (50°F)
Perceived temperature7°C (45°F)6°C (44°F)6°C (43°F)8°C (47°F)9°C (49°F)10°C (51°F)10°C (49°F)10°C (50°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity57%60%62%58%53%50%51%51%
Barometric pressure1027 hPa1027 hPa1028 hPa1028 hPa1027 hPa1025 hPa1026 hPa1025 hPa
Cloud cover0%0%19%33%8%87%30%17%
Heat index9°C (48°F)8°C (46°F)8°C (46°F)9°C (47°F)9°C (49°F)10°C (51°F)10°C (49°F)10°C (50°F)
Dew point1°C (33°F)1°C (34°F)1°C (33°F)1°C (33°F)0°C (32°F)0°C (33°F)0°C (32°F)0°C (33°F)
Wind
Speed12km/h (7mph)9km/h (6mph)8km/h (5mph)4km/h (3mph)2km/h (1mph)2km/h (1mph)3km/h (2mph)1km/h (1mph)
Gusts18km/h (11mph)14km/h (9mph)12km/h (7mph)6km/h (4mph)3km/h (2mph)3km/h (2mph)4km/h (3mph)2km/h (1mph)
Direction 337°
NNW
343°
NNW

N
354°
N
13°
NNE
121°
ESE
182°
S
163°
SSE
Wind chill7°C (45°F)6°C (44°F)6°C (43°F)8°C (47°F)9°C (49°F)10°C (51°F)10°C (49°F)10°C (50°F)
Waves
Height0.2m (0.7ft)0.2m (0.5ft)0.1m (0.4ft)0.1m (0.3ft)0.4m (1.3ft)0.4m (1.4ft)0.4m (1.4ft)0.4m (1.3ft)
Direction 45°
NE
31°
NNE
44°
NE
53°
NE
61°
ENE
62°
ENE
62°
ENE
132°
SE
Period2.5 sec.2.6 sec.2.6 sec.2.6 sec.2.4 sec.2.4 sec.2.4 sec.2.4 sec.
Significant height0.3m (1ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.1m (0.3ft)0.2m (0.7ft)0.2m (0.7ft)0.1m (0.3ft)
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 Thursday 11 December 2025

On Thursday 11 December 2025, the sun will rise at 07:00 and will set at 16:53 on the beach(es) of Okayama. The outside temperature will be a high of 54°F t and a low of 49°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 6.2mph km/h (with gusts up to 11.8mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature10°C (50°F)9°C (49°F)9°C (48°F)10°C (49°F)11°C (52°F)10°C (50°F)9°C (48°F)12°C (54°F)
Perceived temperature10°C (50°F)9°C (48°F)9°C (47°F)9°C (48°F)10°C (51°F)9°C (48°F)7°C (45°F)11°C (52°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity52%53%54%52%46%46%50%56%
Barometric pressure1025 hPa1025 hPa1025 hPa1025 hPa1024 hPa1022 hPa1023 hPa1024 hPa
Cloud cover31%31%47%54%26%0%0%0%
Heat index10°C (50°F)9°C (49°F)9°C (48°F)10°C (49°F)11°C (52°F)10°C (50°F)9°C (48°F)12°C (54°F)
Dew point0°C (33°F)0°C (32°F)0°C (32°F)0°C (33°F)-0°C (32°F)-1°C (30°F)-1°C (30°F)4°C (38°F)
Wind
Speed4km/h (2mph)5km/h (3mph)5km/h (3mph)5km/h (3mph)7km/h (4mph)9km/h (6mph)9km/h (6mph)10km/h (6mph)
Gusts6km/h (4mph)9km/h (5mph)7km/h (5mph)8km/h (5mph)10km/h (6mph)19km/h (12mph)19km/h (12mph)17km/h (10mph)
Direction 307°
NW
332°
NNW
322°
NW
302°
WNW
278°
W
259°
W
260°
W
279°
W
Wind chill10°C (50°F)9°C (48°F)9°C (47°F)9°C (48°F)10°C (51°F)9°C (48°F)7°C (45°F)11°C (52°F)
Waves
Height0.3m (1.1ft)0.1m (0.3ft)0.6m (1.9ft)0.2m (0.6ft)0.2m (0.5ft)0.2m (0.7ft)0.3m (1.1ft)0.3m (1.1ft)
Direction 131°
SE
131°
SE
131°
SE
131°
SE
131°
SE
268°
W
253°
WSW
268°
W
Period2.4 sec.2.4 sec.2.4 sec.2.4 sec.2.4 sec.2.4 sec.2.4 sec.2.4 sec.
Significant height0.1m (0.3ft)0.1m (0.3ft)0.2m (0.7ft)0.1m (0.3ft)0.3m (1ft)0.5m (1.6ft)0.7m (2.3ft)0.5m (1.6ft)
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 chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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