Sea weather in Hiroshima in Japan All the beach weather in Hiroshima

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

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

Date Outside temp. Our opinion
Saturday 13 December 202540°F to 49°Fdiscouraged
Sunday 14 December 202545°F to 50°Fdiscouraged
Monday 15 December 202541°F to 50°Fdiscouraged
Tuesday 16 December 202543°F to 54°Frecommended
Wednesday 17 December 202549°F to 54°Frecommended
Thursday 18 December 202543°F to 52°Frecommended
Friday 19 December 202543°F to 50°Frecommended

Sea Weather: Your daily and hourly sea weather in Hiroshima

Sea weather on Saturday 13 December 2025

On Saturday 13 December 2025, the sun will rise at 07:08 and will set at 17:02 on the beach(es) of Hiroshima. The outside temperature will be a high of 49°F t and a low of 40°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 13.7mph km/h (with gusts up to 20.5mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature4°C (40°F)4°C (40°F)4°C (39°F)6°C (42°F)8°C (46°F)9°C (48°F)8°C (46°F)8°C (46°F)
Perceived temperature0°C (32°F)-0°C (32°F)-0°C (31°F)2°C (36°F)5°C (41°F)7°C (45°F)6°C (43°F)6°C (42°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity68%71%73%69%69%67%81%85%
Barometric pressure1030 hPa1029 hPa1028 hPa1027 hPa1024 hPa1020 hPa1019 hPa1017 hPa
Cloud cover0%0%0%26%56%100%100%100%
Heat index4°C (40°F)4°C (40°F)4°C (39°F)6°C (42°F)8°C (46°F)9°C (48°F)8°C (46°F)8°C (46°F)
Dew point-1°C (30°F)-0°C (31°F)-0°C (31°F)0°C (33°F)2°C (36°F)3°C (37°F)5°C (40°F)5°C (42°F)
Wind
Speed22km/h (13mph)22km/h (14mph)20km/h (13mph)16km/h (10mph)15km/h (10mph)8km/h (5mph)9km/h (6mph)11km/h (7mph)
Gusts31km/h (20mph)33km/h (20mph)31km/h (19mph)20km/h (13mph)21km/h (13mph)11km/h (7mph)13km/h (8mph)15km/h (10mph)
Direction 37°
NE
39°
NE
35°
NE
55°
NE
67°
ENE
60°
ENE
55°
NE
42°
NE
Wind chill0°C (32°F)-0°C (32°F)-0°C (31°F)2°C (36°F)5°C (41°F)7°C (45°F)6°C (43°F)6°C (42°F)
Waves
Height0.7m (2.2ft)0.6m (2.1ft)0.6m (1.9ft)0.3m (1.1ft)0.1m (0.4ft)0.1m (0.4ft)0.3m (1.0ft)0.1m (0.4ft)
Direction 28°
NNE
30°
NNE
27°
NNE
25°
NNE
28°
NNE
46°
NE
48°
NE
51°
NE
Period3.2 sec.3.2 sec.3.1 sec.2.8 sec.1.8 sec.0.9 sec.1.2 sec.1.4 sec.
Significant height1.1m (3.6ft)1.0m (3.3ft)0.9m (3ft)0.5m (1.6ft)0.3m (1ft)0.1m (0.3ft)0.3m (1ft)0.3m (1ft)
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 14 December 2025

On Sunday 14 December 2025, the sun will rise at 07:09 and will set at 17:02 on the beach(es) of Hiroshima. The outside temperature will be a high of 50°F t and a low of 45°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 21.1mph km/h (with gusts up to 28mph). Wave height will be up to 3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature7°C (45°F)8°C (47°F)9°C (48°F)8°C (47°F)9°C (47°F)9°C (48°F)7°C (44°F)7°C (45°F)
Perceived temperature6°C (43°F)8°C (46°F)5°C (41°F)4°C (40°F)4°C (40°F)5°C (41°F)3°C (38°F)4°C (39°F)
Precipitation0.2in0in0in0in0in0in0in0in
Humidity94%94%81%66%57%61%65%60%
Barometric pressure1013 hPa1011 hPa1013 hPa1014 hPa1014 hPa1015 hPa1017 hPa1018 hPa
Cloud cover100%100%70%8%16%52%34%30%
Heat index7°C (45°F)8°C (47°F)9°C (48°F)8°C (47°F)9°C (47°F)9°C (48°F)7°C (44°F)7°C (45°F)
Dew point6°C (43°F)7°C (45°F)6°C (43°F)3°C (37°F)1°C (33°F)2°C (35°F)1°C (34°F)0°C (32°F)
Wind
Speed6km/h (4mph)5km/h (3mph)34km/h (21mph)31km/h (19mph)34km/h (21mph)29km/h (18mph)22km/h (13mph)22km/h (13mph)
Gusts9km/h (6mph)7km/h (5mph)45km/h (28mph)41km/h (25mph)44km/h (27mph)38km/h (24mph)34km/h (21mph)32km/h (20mph)
Direction 37°
NE
261°
W
311°
NW
302°
WNW
293°
WNW
291°
WNW
300°
WNW
293°
WNW
Wind chill6°C (43°F)8°C (46°F)5°C (41°F)4°C (40°F)4°C (40°F)5°C (41°F)3°C (38°F)4°C (39°F)
Waves
Height0.1m (0.4ft)0.4m (1.3ft)0.3m (1.0ft)0.7m (2.4ft)0.9m (2.9ft)0.7m (2.4ft)0.4m (1.5ft)0.3m (1.0ft)
Direction 40°
NE
24°
NNE
277°
W
302°
WNW
291°
WNW
287°
WNW
285°
WNW
292°
WNW
Period1.5 sec.1.4 sec.1.8 sec.3.2 sec.3.7 sec.3.6 sec.2.9 sec.2.3 sec.
Significant height0.3m (1ft)0.1m (0.3ft)1.3m (4.3ft)1.2m (3.9ft)1.3m (4.3ft)1.0m (3.3ft)0.7m (2.3ft)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 15 December 2025

On Monday 15 December 2025, the sun will rise at 07:09 and will set at 17:02 on the beach(es) of Hiroshima. The outside temperature will be a high of 50°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 13.7mph km/h (with gusts up to 19.9mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature7°C (45°F)6°C (44°F)6°C (43°F)8°C (46°F)9°C (49°F)10°C (49°F)6°C (42°F)7°C (44°F)
Perceived temperature4°C (38°F)3°C (37°F)3°C (37°F)5°C (41°F)7°C (45°F)7°C (45°F)3°C (38°F)5°C (42°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity60%67%68%60%48%47%58%64%
Barometric pressure1019 hPa1021 hPa1022 hPa1024 hPa1023 hPa1023 hPa1024 hPa1025 hPa
Cloud cover39%46%14%2%26%10%2%4%
Heat index7°C (45°F)6°C (44°F)6°C (43°F)8°C (46°F)9°C (49°F)10°C (49°F)6°C (42°F)7°C (44°F)
Dew point-0°C (32°F)1°C (33°F)1°C (33°F)1°C (33°F)-1°C (30°F)-1°C (30°F)-2°C (28°F)0°C (33°F)
Wind
Speed22km/h (14mph)22km/h (13mph)21km/h (13mph)18km/h (11mph)17km/h (10mph)16km/h (10mph)10km/h (6mph)8km/h (5mph)
Gusts32km/h (20mph)31km/h (19mph)29km/h (18mph)23km/h (14mph)22km/h (14mph)25km/h (15mph)22km/h (14mph)14km/h (9mph)
Direction 298°
WNW
297°
WNW
292°
WNW
303°
WNW
304°
WNW
315°
NW
314°
NW
291°
WNW
Wind chill4°C (38°F)3°C (37°F)3°C (37°F)5°C (41°F)7°C (45°F)7°C (45°F)3°C (38°F)5°C (42°F)
Waves
Height0.4m (1.2ft)0.3m (1.1ft)0.3m (0.9ft)0.3m (0.9ft)0.3m (1.0ft)0.2m (0.8ft)0.2m (0.7ft)0.1m (0.4ft)
Direction 292°
WNW
293°
WNW
289°
WNW
289°
WNW
299°
WNW
300°
WNW
295°
WNW
288°
WNW
Period2.4 sec.2.4 sec.2.3 sec.2.0 sec.2.2 sec.2.0 sec.2.0 sec.1.6 sec.
Significant height0.7m (2.3ft)0.6m (2ft)0.5m (1.6ft)0.5m (1.6ft)0.6m (2ft)0.5m (1.6ft)0.4m (1.3ft)0.3m (1ft)
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 16 December 2025

On Tuesday 16 December 2025, the sun will rise at 07:10 and will set at 17:03 on the beach(es) of Hiroshima. 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 6.8mph km/h (with gusts up to 11.2mph). 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 (43°F)8°C (46°F)10°C (51°F)12°C (53°F)10°C (50°F)10°C (50°F)
Perceived temperature5°C (41°F)5°C (41°F)5°C (40°F)7°C (45°F)9°C (48°F)11°C (51°F)9°C (48°F)9°C (48°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity68%70%72%70%66%59%69%72%
Barometric pressure1024 hPa1025 hPa1024 hPa1025 hPa1023 hPa1022 hPa1023 hPa1023 hPa
Cloud cover5%3%6%17%37%12%76%76%
Heat index6°C (43°F)6°C (43°F)6°C (43°F)8°C (46°F)10°C (51°F)12°C (53°F)10°C (50°F)10°C (50°F)
Dew point1°C (34°F)1°C (34°F)1°C (34°F)3°C (37°F)4°C (40°F)4°C (39°F)5°C (40°F)5°C (42°F)
Wind
Speed8km/h (5mph)6km/h (4mph)6km/h (4mph)4km/h (3mph)11km/h (7mph)11km/h (7mph)9km/h (6mph)8km/h (5mph)
Gusts13km/h (8mph)10km/h (6mph)10km/h (6mph)6km/h (4mph)15km/h (9mph)17km/h (10mph)18km/h (11mph)14km/h (9mph)
Direction 295°
WNW
301°
WNW
296°
WNW
252°
WSW
225°
SW
224°
SW
282°
WNW
288°
WNW
Wind chill5°C (41°F)5°C (41°F)5°C (40°F)7°C (45°F)9°C (48°F)11°C (51°F)9°C (48°F)9°C (48°F)
Waves
Height0.4m (1.3ft)0.6m (1.8ft)0.3m (0.9ft)0.1m (0.3ft)0.1m (0.4ft)0.2m (0.6ft)0.3m (1.0ft)0.2m (0.7ft)
Direction 285°
WNW
284°
WNW
284°
WNW
277°
W
222°
SW
237°
WSW
228°
SW
234°
SW
Period1.5 sec.1.4 sec.1.4 sec.1.5 sec.1.0 sec.1.7 sec.2.1 sec.2.0 sec.
Significant height0.3m (1ft)0.2m (0.7ft)0.2m (0.7ft)0.1m (0.3ft)0.4m (1.3ft)0.4m (1.3ft)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 17 December 2025

On Wednesday 17 December 2025, the sun will rise at 07:11 and will set at 17:03 on the beach(es) of Hiroshima. The outside temperature will be a high of 54°F t and a low of 49°F. Precipitation is in the forecast (0.1in 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 10.6mph km/h (with gusts up to 15.5mph). 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)11°C (51°F)10°C (49°F)11°C (51°F)12°C (53°F)10°C (50°F)10°C (49°F)10°C (49°F)
Perceived temperature9°C (49°F)9°C (49°F)9°C (49°F)11°C (52°F)12°C (53°F)10°C (50°F)7°C (45°F)7°C (45°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity72%74%75%71%67%84%85%83%
Barometric pressure1022 hPa1022 hPa1021 hPa1022 hPa1020 hPa1019 hPa1020 hPa1020 hPa
Cloud cover51%75%100%85%68%100%100%100%
Heat index10°C (50°F)11°C (51°F)10°C (49°F)11°C (51°F)12°C (53°F)10°C (50°F)10°C (49°F)10°C (49°F)
Dew point5°C (41°F)6°C (43°F)6°C (42°F)6°C (42°F)6°C (42°F)8°C (46°F)7°C (45°F)7°C (44°F)
Wind
Speed7km/h (4mph)9km/h (5mph)6km/h (4mph)3km/h (2mph)4km/h (3mph)1km/h (0mph)17km/h (11mph)15km/h (9mph)
Gusts12km/h (7mph)14km/h (8mph)10km/h (6mph)4km/h (3mph)6km/h (4mph)1km/h (1mph)25km/h (16mph)22km/h (13mph)
Direction 283°
WNW
270°
W
323°
NW
322°
NW
270°
W
278°
W

N
10°
N
Wind chill9°C (49°F)9°C (49°F)9°C (49°F)11°C (52°F)12°C (53°F)10°C (50°F)7°C (45°F)7°C (45°F)
Waves
Height0.2m (0.7ft)0.2m (0.8ft)0.2m (0.5ft)0.6m (1.8ft)0.4m (1.2ft)0.3m (1.0ft)0.2m (0.8ft)0.2m (0.8ft)
Direction 250°
WSW
253°
WSW
253°
WSW
254°
WSW
254°
WSW
22°
NNE
10°
N
15°
NNE
Period1.8 sec.2.0 sec.1.9 sec.1.7 sec.1.6 sec.0.8 sec.1.0 sec.1.8 sec.
Significant height0.5m (1.6ft)0.5m (1.6ft)0.3m (1ft)0.2m (0.7ft)0.1m (0.3ft)0.2m (0.7ft)0.3m (1ft)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 Thursday 18 December 2025

On Thursday 18 December 2025, the sun will rise at 07:11 and will set at 17:03 on the beach(es) of Hiroshima. 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 11.8mph km/h (with gusts up to 16.8mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature10°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)11°C (51°F)11°C (51°F)6°C (43°F)9°C (48°F)
Perceived temperature9°C (47°F)8°C (46°F)7°C (45°F)7°C (44°F)8°C (47°F)9°C (47°F)3°C (37°F)6°C (43°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity81%77%77%75%64%59%65%70%
Barometric pressure1021 hPa1021 hPa1023 hPa1026 hPa1025 hPa1025 hPa1026 hPa1027 hPa
Cloud cover85%77%63%25%46%12%0%0%
Heat index10°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)11°C (51°F)11°C (51°F)6°C (43°F)9°C (48°F)
Dew point6°C (44°F)5°C (42°F)6°C (42°F)5°C (41°F)4°C (39°F)3°C (37°F)0°C (32°F)4°C (38°F)
Wind
Speed8km/h (5mph)9km/h (5mph)15km/h (9mph)19km/h (12mph)18km/h (11mph)17km/h (10mph)18km/h (11mph)17km/h (10mph)
Gusts11km/h (7mph)14km/h (8mph)23km/h (14mph)25km/h (16mph)23km/h (14mph)26km/h (16mph)25km/h (16mph)27km/h (17mph)
Direction 35°
NE
351°
N
41°
NE
44°
NE
58°
ENE
63°
ENE
65°
ENE
57°
ENE
Wind chill9°C (47°F)8°C (46°F)7°C (45°F)7°C (44°F)8°C (47°F)9°C (47°F)3°C (37°F)6°C (43°F)
Waves
Height0.4m (1.2ft)0.2m (0.7ft)0.2m (0.6ft)0.3m (0.9ft)0.2m (0.8ft)0.2m (0.7ft)0.3m (0.9ft)0.3m (0.9ft)
Direction 21°
NNE
21°
NNE
25°
NNE
21°
NNE
34°
NNE
60°
ENE
74°
ENE
72°
ENE
Period2.4 sec.2.4 sec.1.7 sec.2.0 sec.2.0 sec.1.9 sec.2.0 sec.2.1 sec.
Significant height0.7m (2.3ft)0.3m (1ft)0.5m (1.6ft)0.6m (2ft)0.5m (1.6ft)0.5m (1.6ft)0.6m (2ft)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 Friday 19 December 2025

On Friday 19 December 2025, the sun will rise at 07:12 and will set at 17:04 on the beach(es) of Hiroshima. The outside temperature will be a high of 50°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 8.1mph 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 temperature8°C (46°F)7°C (45°F)7°C (44°F)8°C (47°F)8°C (47°F)8°C (47°F)6°C (43°F)10°C (50°F)
Perceived temperature6°C (42°F)5°C (41°F)5°C (41°F)7°C (44°F)8°C (47°F)8°C (47°F)5°C (41°F)9°C (47°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity72%73%75%73%68%68%76%76%
Barometric pressure1027 hPa1028 hPa1028 hPa1029 hPa1028 hPa1027 hPa1028 hPa1028 hPa
Cloud cover0%7%4%2%0%0%0%48%
Heat index8°C (46°F)7°C (45°F)7°C (44°F)8°C (47°F)8°C (47°F)8°C (47°F)6°C (43°F)10°C (50°F)
Dew point3°C (38°F)3°C (37°F)3°C (37°F)4°C (39°F)3°C (37°F)3°C (37°F)2°C (36°F)6°C (42°F)
Wind
Speed13km/h (8mph)11km/h (7mph)9km/h (6mph)8km/h (5mph)4km/h (2mph)2km/h (1mph)8km/h (5mph)9km/h (6mph)
Gusts22km/h (13mph)18km/h (11mph)15km/h (10mph)11km/h (7mph)7km/h (4mph)5km/h (3mph)16km/h (10mph)16km/h (10mph)
Direction 43°
NE
39°
NE
33°
NNE
50°
NE
70°
ENE
75°
ENE
44°
NE
35°
NE
Wind chill6°C (42°F)5°C (41°F)5°C (41°F)7°C (44°F)8°C (47°F)8°C (47°F)5°C (41°F)9°C (47°F)
Waves
Height0.3m (0.9ft)0.2m (0.7ft)0.1m (0.5ft)0.5m (1.8ft)0.3m (0.9ft)0.5m (1.5ft)0.2m (0.5ft)0.3m (1.0ft)
Direction 57°
ENE
36°
NE
24°
NNE
19°
NNE

N
357°
N
355°
N
23°
NNE
Period2.1 sec.2.1 sec.1.5 sec.1.5 sec.1.5 sec.1.4 sec.1.4 sec.0.8 sec.
Significant height0.5m (1.6ft)0.4m (1.3ft)0.3m (1ft)0.2m (0.7ft)0.1m (0.3ft)0.1m (0.3ft)0.1m (0.3ft)0.2m (0.7ft)
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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