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
Monday 15 December 202545°F to 52°Fdiscouraged
Tuesday 16 December 202543°F to 52°Fdiscouraged
Wednesday 17 December 202550°F to 54°Frecommended
Thursday 18 December 202545°F to 52°Frecommended
Friday 19 December 202549°F to 56°Frecommended
Saturday 20 December 202556°F to 58°Frecommended
Sunday 21 December 202556°F to 58°Frecommended

Sea Weather: Your daily and hourly sea weather in Okayama

Sea weather on Monday 15 December 2025

On Monday 15 December 2025, the sun will rise at 07:03 and will set at 16:54 on the beach(es) of Okayama. The outside temperature will be a high of 52°F t and a low of 45°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 26.1mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature8°C (46°F)8°C (46°F)7°C (45°F)8°C (46°F)9°C (49°F)11°C (51°F)7°C (45°F)8°C (46°F)
Perceived temperature3°C (38°F)3°C (38°F)3°C (37°F)4°C (39°F)7°C (44°F)8°C (47°F)4°C (40°F)6°C (42°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity74%70%69%64%54%51%60%64%
Barometric pressure1016 hPa1018 hPa1020 hPa1023 hPa1021 hPa1022 hPa1023 hPa1024 hPa
Cloud cover79%21%9%13%53%91%4%4%
Heat index8°C (46°F)8°C (46°F)7°C (45°F)8°C (46°F)9°C (49°F)11°C (51°F)7°C (45°F)8°C (46°F)
Dew point3°C (38°F)3°C (37°F)2°C (35°F)1°C (34°F)1°C (33°F)1°C (33°F)0°C (32°F)2°C (35°F)
Wind
Speed33km/h (21mph)32km/h (20mph)29km/h (18mph)28km/h (17mph)21km/h (13mph)17km/h (11mph)16km/h (10mph)13km/h (8mph)
Gusts42km/h (26mph)40km/h (25mph)38km/h (24mph)35km/h (21mph)28km/h (17mph)23km/h (14mph)31km/h (19mph)19km/h (12mph)
Direction 288°
WNW
293°
WNW
282°
WNW
285°
WNW
294°
WNW
308°
NW
337°
NNW
333°
NNW
Wind chill3°C (38°F)3°C (38°F)3°C (37°F)4°C (39°F)7°C (44°F)8°C (47°F)4°C (40°F)6°C (42°F)
Waves
Height0.7m (2.5ft)0.7m (2.4ft)0.7m (2.4ft)0.7m (2.3ft)0.6m (2.0ft)0.4m (1.2ft)0.2m (0.7ft)0.1m (0.5ft)
Direction 292°
WNW
292°
WNW
291°
WNW
288°
WNW
287°
WNW
286°
WNW
291°
WNW
132°
SE
Period7.5 sec.7.5 sec.7.5 sec.7.5 sec.7.5 sec.7.5 sec.9.1 sec.9.1 sec.
Significant height0.9m (3ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)0.8m (2.6ft)0.5m (1.6ft)0.4m (1.3ft)0.3m (1ft)
Sea water temperature
Water temperature16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)

Sea weather on Tuesday 16 December 2025

On Tuesday 16 December 2025, the sun will rise at 07:04 and will set at 16:55 on the beach(es) of Okayama. The outside temperature will be a high of 52°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 13.1mph km/h (with gusts up to 23.6mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature7°C (45°F)7°C (45°F)7°C (44°F)8°C (46°F)8°C (47°F)11°C (51°F)10°C (51°F)11°C (52°F)
Perceived temperature6°C (43°F)6°C (43°F)5°C (40°F)5°C (42°F)5°C (41°F)8°C (47°F)8°C (47°F)9°C (49°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity64%63%65%65%57%57%65%67%
Barometric pressure1024 hPa1023 hPa1024 hPa1024 hPa1023 hPa1022 hPa1023 hPa1023 hPa
Cloud cover33%2%0%0%0%7%83%74%
Heat index7°C (45°F)7°C (45°F)7°C (44°F)8°C (46°F)8°C (47°F)11°C (51°F)10°C (51°F)11°C (52°F)
Dew point1°C (34°F)1°C (33°F)1°C (33°F)2°C (35°F)0°C (32°F)2°C (36°F)4°C (39°F)5°C (41°F)
Wind
Speed7km/h (4mph)6km/h (4mph)9km/h (6mph)12km/h (8mph)21km/h (13mph)19km/h (12mph)18km/h (11mph)14km/h (9mph)
Gusts11km/h (7mph)10km/h (6mph)14km/h (9mph)16km/h (10mph)38km/h (24mph)32km/h (20mph)31km/h (19mph)21km/h (13mph)
Direction 321°
NW
308°
NW
301°
WNW
283°
WNW
265°
W
257°
WSW
254°
WSW
282°
WNW
Wind chill6°C (43°F)6°C (43°F)5°C (40°F)5°C (42°F)5°C (41°F)8°C (47°F)8°C (47°F)9°C (49°F)
Waves
Height0.3m (1.0ft)0.1m (0.4ft)0.2m (0.5ft)0.2m (0.6ft)0.3m (0.9ft)0.5m (1.5ft)0.5m (1.7ft)0.5m (1.6ft)
Direction 132°
SE
290°
WNW
279°
W
263°
W
260°
W
266°
W
265°
W
271°
W
Period9.1 sec.9.1 sec.9.1 sec.9.1 sec.9.1 sec.9.1 sec.9.1 sec.9.1 sec.
Significant height0.3m (1ft)0.4m (1.3ft)0.5m (1.6ft)0.5m (1.6ft)0.7m (2.3ft)0.8m (2.6ft)0.8m (2.6ft)0.7m (2.3ft)
Sea water temperature
Water temperature16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)

Sea weather on Wednesday 17 December 2025

On Wednesday 17 December 2025, the sun will rise at 07:05 and will set at 16:55 on the beach(es) of Okayama. The outside temperature will be a high of 54°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 9.3mph km/h (with gusts up to 13.7mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature10°C (50°F)10°C (49°F)10°C (50°F)11°C (51°F)12°C (53°F)12°C (54°F)11°C (53°F)11°C (51°F)
Perceived temperature9°C (48°F)8°C (47°F)8°C (47°F)9°C (48°F)10°C (50°F)11°C (52°F)12°C (53°F)9°C (49°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity69%65%65%64%62%62%63%76%
Barometric pressure1022 hPa1022 hPa1021 hPa1023 hPa1021 hPa1020 hPa1021 hPa1022 hPa
Cloud cover83%100%71%43%100%91%37%100%
Heat index10°C (50°F)10°C (49°F)10°C (50°F)11°C (51°F)12°C (53°F)12°C (54°F)11°C (53°F)11°C (51°F)
Dew point5°C (40°F)3°C (38°F)4°C (39°F)4°C (39°F)5°C (41°F)5°C (41°F)5°C (40°F)7°C (44°F)
Wind
Speed10km/h (6mph)9km/h (6mph)12km/h (8mph)14km/h (9mph)15km/h (10mph)11km/h (7mph)4km/h (2mph)10km/h (6mph)
Gusts15km/h (9mph)14km/h (9mph)19km/h (12mph)19km/h (12mph)22km/h (13mph)16km/h (10mph)6km/h (4mph)15km/h (9mph)
Direction 282°
WNW
284°
WNW
282°
WNW
280°
W
265°
W
291°
WNW
258°
WSW
283°
WNW
Wind chill9°C (48°F)8°C (47°F)8°C (47°F)9°C (48°F)10°C (50°F)11°C (52°F)12°C (53°F)9°C (49°F)
Waves
Height0.4m (1.2ft)0.3m (0.9ft)0.3m (0.9ft)0.3m (0.9ft)0.2m (0.5ft)0.1m (0.4ft)0.3m (0.8ft)0.4m (1.2ft)
Direction 278°
W
275°
W
273°
W
276°
W
277°
W
279°
W
284°
WNW
136°
SE
Period9.1 sec.9.1 sec.9.1 sec.9.1 sec.9.1 sec.9.1 sec.9.1 sec.9.1 sec.
Significant height0.6m (2ft)0.5m (1.6ft)0.6m (2ft)0.5m (1.6ft)0.3m (1ft)0.4m (1.3ft)0.3m (1ft)0.2m (0.7ft)
Sea water temperature
Water temperature16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)

Sea weather on Thursday 18 December 2025

On Thursday 18 December 2025, the sun will rise at 07:05 and will set at 16:56 on the beach(es) of Okayama. The outside temperature will be a high of 52°F t and a low of 45°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 8.1mph 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 temperature11°C (51°F)10°C (49°F)9°C (48°F)10°C (50°F)11°C (51°F)8°C (47°F)7°C (45°F)11°C (51°F)
Perceived temperature10°C (49°F)8°C (46°F)8°C (46°F)9°C (48°F)10°C (50°F)8°C (47°F)7°C (45°F)11°C (51°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity78%69%73%72%65%61%61%61%
Barometric pressure1023 hPa1023 hPa1024 hPa1026 hPa1025 hPa1024 hPa1026 hPa1026 hPa
Cloud cover61%8%0%87%26%0%0%0%
Heat index11°C (51°F)10°C (49°F)9°C (48°F)10°C (50°F)11°C (51°F)8°C (47°F)7°C (45°F)11°C (51°F)
Dew point7°C (44°F)4°C (40°F)4°C (40°F)5°C (41°F)4°C (40°F)1°C (34°F)0°C (32°F)3°C (38°F)
Wind
Speed8km/h (5mph)13km/h (8mph)8km/h (5mph)7km/h (4mph)6km/h (4mph)4km/h (2mph)3km/h (2mph)1km/h (1mph)
Gusts12km/h (8mph)19km/h (12mph)12km/h (8mph)10km/h (6mph)9km/h (5mph)8km/h (5mph)7km/h (4mph)2km/h (1mph)
Direction 292°
WNW
317°
NW

N
69°
ENE
97°
E
110°
ESE
115°
ESE
106°
ESE
Wind chill10°C (49°F)8°C (46°F)8°C (46°F)9°C (48°F)10°C (50°F)8°C (47°F)7°C (45°F)11°C (51°F)
Waves
Height0.6m (1.8ft)0.2m (0.5ft)0.2m (0.8ft)0.3m (1.1ft)0.3m (1.0ft)0.2m (0.7ft)0.1m (0.5ft)0.2m (0.7ft)
Direction 142°
SE
356°
N
33°
NNE
56°
NE
56°
ENE
55°
NE
53°
NE
63°
ENE
Period9.1 sec.9.1 sec.9.1 sec.9.1 sec.9.1 sec.3.4 sec.3.4 sec.3.4 sec.
Significant height0.3m (1ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.4m (1.3ft)0.2m (0.7ft)0.3m (1ft)0.5m (1.6ft)
Sea water temperature
Water temperature16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)

Sea weather on Friday 19 December 2025

On Friday 19 December 2025, the sun will rise at 07:06 and will set at 16:56 on the beach(es) of Okayama. The outside temperature will be a high of 56°F t and a low of 49°F. Precipitation is in the forecast (0.2in 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 6.8mph km/h (with gusts up to 11.2mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature10°C (51°F)10°C (50°F)9°C (49°F)10°C (50°F)10°C (50°F)12°C (54°F)12°C (54°F)13°C (55°F)
Perceived temperature10°C (51°F)10°C (49°F)9°C (48°F)10°C (50°F)10°C (49°F)11°C (53°F)11°C (52°F)12°C (54°F)
Precipitation0in0in0in0in0in0in0in0.2in
Humidity63%67%70%67%61%60%70%84%
Barometric pressure1026 hPa1026 hPa1027 hPa1027 hPa1025 hPa1025 hPa1025 hPa1025 hPa
Cloud cover0%0%0%0%0%30%72%100%
Heat index10°C (51°F)10°C (50°F)9°C (49°F)10°C (50°F)10°C (50°F)12°C (54°F)12°C (54°F)13°C (55°F)
Dew point4°C (39°F)4°C (39°F)4°C (40°F)4°C (40°F)3°C (37°F)5°C (40°F)7°C (45°F)10°C (51°F)
Wind
Speed3km/h (2mph)5km/h (3mph)6km/h (4mph)5km/h (3mph)5km/h (3mph)8km/h (5mph)11km/h (7mph)8km/h (5mph)
Gusts5km/h (3mph)9km/h (5mph)10km/h (6mph)8km/h (5mph)10km/h (6mph)12km/h (8mph)18km/h (11mph)12km/h (8mph)
Direction
N

N
21°
NNE
35°
NE
71°
ENE
87°
E
78°
ENE
107°
ESE
Wind chill10°C (51°F)10°C (49°F)9°C (48°F)10°C (50°F)10°C (49°F)11°C (53°F)11°C (52°F)12°C (54°F)
Waves
Height0.2m (0.6ft)0.1m (0.4ft)0.1m (0.4ft)0.4m (1.4ft)0.5m (1.6ft)0.5m (1.5ft)0.3m (0.9ft)0.3m (1.1ft)
Direction 62°
ENE
62°
ENE
65°
ENE
69°
ENE
77°
ENE
79°
ENE
136°
SE
101°
E
Period3.4 sec.3.4 sec.3.4 sec.3.4 sec.3.4 sec.3.4 sec.3.4 sec.2.0 sec.
Significant height0.4m (1.3ft)0.3m (1ft)0.3m (1ft)0.3m (1ft)0.3m (1ft)0.3m (1ft)0.3m (1ft)0.1m (0.3ft)
Sea water temperature
Water temperature16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)

Sea weather on Saturday 20 December 2025

On Saturday 20 December 2025, the sun will rise at 07:06 and will set at 16:56 on the beach(es) of Okayama. The outside temperature will be a high of 58°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 8.7mph km/h (with gusts up to 13.7mph). 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)14°C (56°F)14°C (56°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (58°F)
Perceived temperature12°C (54°F)14°C (57°F)14°C (57°F)13°C (56°F)14°C (57°F)13°C (56°F)13°C (55°F)13°C (56°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity92%93%92%89%86%83%83%83%
Barometric pressure1024 hPa1024 hPa1024 hPa1025 hPa1024 hPa1023 hPa1023 hPa1022 hPa
Cloud cover100%61%77%100%95%93%100%100%
Heat index13°C (56°F)14°C (56°F)14°C (56°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (58°F)
Dew point12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (53°F)11°C (52°F)11°C (52°F)11°C (53°F)
Wind
Speed14km/h (9mph)5km/h (3mph)5km/h (3mph)9km/h (6mph)6km/h (4mph)10km/h (6mph)12km/h (8mph)14km/h (9mph)
Gusts20km/h (13mph)8km/h (5mph)8km/h (5mph)13km/h (8mph)9km/h (6mph)15km/h (9mph)20km/h (13mph)22km/h (14mph)
Direction 92°
E
89°
E
59°
ENE
87°
E
78°
ENE
55°
NE
57°
ENE
64°
ENE
Wind chill12°C (54°F)14°C (57°F)14°C (57°F)13°C (56°F)14°C (57°F)13°C (56°F)13°C (55°F)13°C (56°F)
Waves
Height0.5m (1.6ft)0.4m (1.3ft)0.2m (0.7ft)0.2m (0.8ft)0.2m (0.8ft)0.2m (0.7ft)0.2m (0.6ft)0.2m (0.7ft)
Direction 107°
ESE
112°
ESE
99°
E
94°
E
89°
E
85°
E
85°
E
82°
E
Period2.2 sec.2.2 sec.2.2 sec.2.2 sec.2.2 sec.2.2 sec.5.0 sec.4.8 sec.
Significant height0.1m (0.3ft)0.3m (1ft)0.5m (1.6ft)0.5m (1.6ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)
Sea water temperature
Water temperature16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)

Sea weather on Sunday 21 December 2025

On Sunday 21 December 2025, the sun will rise at 07:07 and will set at 16:57 on the beach(es) of Okayama. The outside temperature will be a high of 58°F t and a low of 56°F. Precipitation is in the forecast (0.4in 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 11.2mph km/h (with gusts up to 17.4mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature14°C (58°F)14°C (58°F)13°C (56°F)14°C (57°F)14°C (56°F)14°C (57°F)14°C (57°F)14°C (57°F)
Perceived temperature13°C (56°F)13°C (56°F)12°C (54°F)13°C (56°F)14°C (57°F)14°C (57°F)13°C (55°F)13°C (55°F)
Precipitation0in0.1in0.1in0.2in0in0in0in0in
Humidity85%93%96%98%96%91%92%94%
Barometric pressure1019 hPa1018 hPa1015 hPa1014 hPa1010 hPa1008 hPa1009 hPa1008 hPa
Cloud cover100%92%100%100%100%55%100%89%
Heat index14°C (58°F)14°C (58°F)13°C (56°F)14°C (57°F)14°C (56°F)14°C (57°F)14°C (57°F)14°C (57°F)
Dew point12°C (54°F)13°C (56°F)13°C (55°F)13°C (56°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (56°F)
Wind
Speed15km/h (10mph)16km/h (10mph)14km/h (9mph)7km/h (4mph)5km/h (3mph)8km/h (5mph)12km/h (7mph)18km/h (11mph)
Gusts24km/h (15mph)25km/h (16mph)21km/h (13mph)11km/h (7mph)8km/h (5mph)12km/h (8mph)19km/h (12mph)28km/h (17mph)
Direction 77°
ENE
96°
E
39°
NE
65°
ENE
333°
NNW
282°
WNW
265°
W
265°
W
Wind chill13°C (56°F)13°C (56°F)12°C (54°F)13°C (56°F)14°C (57°F)14°C (57°F)13°C (55°F)13°C (55°F)
Waves
Height0.2m (0.5ft)0.2m (0.6ft)0.3m (1.1ft)0.4m (1.2ft)0.4m (1.2ft)0.3m (1.0ft)0.2m (0.8ft)0.2m (0.8ft)
Direction 83°
E
82°
E
88°
E
88°
E
91°
E
91°
E
140°
SE
138°
SE
Period4.6 sec.4.5 sec.4.4 sec.9.1 sec.8.8 sec.3.1 sec.3.0 sec.8.7 sec.
Significant height0.3m (1ft)0.4m (1.3ft)0.6m (2ft)0.5m (1.6ft)0.5m (1.6ft)0.2m (0.7ft)0.3m (1ft)0.4m (1.3ft)
Sea water temperature
Water temperature16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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