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 18 July 202677°F to 85°Frecommended
Sunday 19 July 202677°F to 85°Frecommended
Monday 20 July 202677°F to 83°Frecommended
Tuesday 21 July 202676°F to 83°Frecommended
Wednesday 22 July 202677°F to 85°Frecommended
Thursday 23 July 202677°F to 81°Frecommended
Friday 24 July 202677°F to 83°Frecommended

Sea Weather: Your daily and hourly sea weather in Hiroshima

Sea weather on Saturday 18 July 2026

On Saturday 18 July 2026, the sun will rise at 05:12 and will set at 19:22 on the beach(es) of Hiroshima. The outside temperature will be a high of 85°F t and a low of 77°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 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (78°F)25°C (77°F)25°C (77°F)27°C (80°F)25°C (76°F)29°C (83°F)28°C (82°F)26°C (79°F)
Perceived temperature28°C (83°F)28°C (82°F)28°C (82°F)30°C (87°F)26°C (79°F)32°C (90°F)31°C (89°F)29°C (84°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity90%92%92%86%76%71%80%85%
Barometric pressure1003 hPa1003 hPa1004 hPa1004 hPa1004 hPa1004 hPa1003 hPa1005 hPa
Cloud cover24%54%35%19%11%16%16%58%
Heat index28°C (83°F)28°C (82°F)28°C (82°F)30°C (87°F)26°C (79°F)32°C (90°F)31°C (89°F)29°C (84°F)
Dew point24°C (75°F)24°C (74°F)24°C (75°F)24°C (76°F)20°C (68°F)23°C (73°F)24°C (75°F)23°C (74°F)
Wind
Speed4km/h (2mph)3km/h (2mph)2km/h (1mph)4km/h (2mph)5km/h (3mph)11km/h (7mph)9km/h (5mph)5km/h (3mph)
Gusts8km/h (5mph)5km/h (3mph)3km/h (2mph)6km/h (3mph)11km/h (7mph)18km/h (11mph)15km/h (9mph)11km/h (7mph)
Direction 336°
NNW
259°
WSW
326°
NW
190°
S
191°
S
181°
S
178°
S
242°
WSW
Wind chill25°C (78°F)25°C (77°F)25°C (77°F)27°C (80°F)25°C (76°F)29°C (83°F)28°C (82°F)26°C (79°F)
Waves
Height0.5m (1.5ft)0.5m (1.7ft)0.2m (0.8ft)0.4m (1.3ft)0.5m (1.8ft)0.1m (0.4ft)0.1m (0.4ft)0.2m (0.8ft)
Direction 250°
WSW
250°
WSW
250°
WSW
9999°
W
141°
SE
157°
SSE
171°
S
174°
S
Period1.2 sec.1.2 sec.1.2 sec.1.2 sec.1.2 sec.1.2 sec.1.2 sec.1.7 sec.
Significant height0.1m (0.3ft)0.1m (0.3ft)0.1m (0.3ft)0.1m (0.3ft)0.1m (0.3ft)0.4m (1.3ft)0.3m (1ft)0.2m (0.7ft)
Sea water temperature
Water temperature24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)

Sea weather on Sunday 19 July 2026

On Sunday 19 July 2026, the sun will rise at 05:12 and will set at 19:22 on the beach(es) of Hiroshima. The outside temperature will be a high of 85°F t and a low of 77°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 5.6mph km/h (with gusts up to 9.3mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (78°F)25°C (76°F)25°C (77°F)27°C (81°F)28°C (82°F)29°C (83°F)28°C (82°F)26°C (79°F)
Perceived temperature28°C (82°F)27°C (81°F)27°C (81°F)30°C (87°F)31°C (87°F)32°C (90°F)32°C (89°F)29°C (84°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity87%90%90%82%76%72%78%85%
Barometric pressure1005 hPa1005 hPa1006 hPa1007 hPa1007 hPa1006 hPa1006 hPa1007 hPa
Cloud cover43%14%22%31%32%29%17%31%
Heat index28°C (82°F)27°C (81°F)27°C (81°F)30°C (87°F)31°C (87°F)32°C (90°F)32°C (89°F)29°C (84°F)
Dew point23°C (73°F)23°C (73°F)23°C (74°F)24°C (74°F)23°C (73°F)23°C (73°F)24°C (75°F)23°C (74°F)
Wind
Speed6km/h (4mph)4km/h (2mph)2km/h (1mph)2km/h (1mph)4km/h (2mph)9km/h (6mph)8km/h (5mph)6km/h (4mph)
Gusts11km/h (7mph)8km/h (5mph)4km/h (2mph)3km/h (2mph)6km/h (4mph)15km/h (9mph)14km/h (8mph)11km/h (7mph)
Direction 278°
W
274°
W

N
156°
SSE
224°
SW
178°
S
196°
SSW
229°
SW
Wind chill25°C (78°F)25°C (76°F)25°C (77°F)27°C (81°F)28°C (82°F)29°C (83°F)28°C (82°F)26°C (79°F)
Waves
Height0.3m (0.9ft)0.1m (0.3ft)0.4m (1.2ft)0.2m (0.7ft)0.5m (1.5ft)0.3m (0.9ft)0.4m (1.2ft)0.3m (0.9ft)
Direction 281°
W
279°
W
279°
W
278°
W
274°
W
155°
SSE
171°
S
182°
S
Period1.7 sec.1.7 sec.1.7 sec.1.7 sec.1.7 sec.1.7 sec.1.7 sec.1.7 sec.
Significant height0.2m (0.7ft)0.1m (0.3ft)0.1m (0.3ft)0.3m (1ft)0.6m (2ft)0.2m (0.7ft)0.3m (1ft)0.2m (0.7ft)
Sea water temperature
Water temperature24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)

Sea weather on Monday 20 July 2026

On Monday 20 July 2026, the sun will rise at 05:13 and will set at 19:21 on the beach(es) of Hiroshima. The outside temperature will be a high of 83°F t and a low of 77°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 5.6mph km/h (with gusts up to 8.7mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (78°F)25°C (77°F)25°C (77°F)26°C (80°F)28°C (82°F)28°C (83°F)28°C (82°F)26°C (78°F)
Perceived temperature28°C (83°F)27°C (81°F)28°C (82°F)30°C (85°F)31°C (88°F)32°C (90°F)32°C (90°F)29°C (85°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity87%90%90%85%78%76%81%90%
Barometric pressure1007 hPa1007 hPa1008 hPa1008 hPa1008 hPa1007 hPa1007 hPa1009 hPa
Cloud cover79%26%64%62%30%23%22%30%
Heat index28°C (83°F)27°C (81°F)28°C (82°F)30°C (85°F)31°C (88°F)32°C (90°F)32°C (90°F)29°C (85°F)
Dew point23°C (74°F)23°C (73°F)23°C (74°F)24°C (75°F)23°C (74°F)24°C (75°F)24°C (76°F)24°C (75°F)
Wind
Speed4km/h (2mph)4km/h (2mph)1km/h (1mph)4km/h (2mph)6km/h (4mph)9km/h (5mph)7km/h (4mph)4km/h (2mph)
Gusts8km/h (5mph)7km/h (5mph)2km/h (1mph)6km/h (4mph)10km/h (6mph)14km/h (9mph)12km/h (8mph)8km/h (5mph)
Direction 272°
W
272°
W
277°
W
186°
S
203°
SSW
181°
S
178°
S
251°
WSW
Wind chill25°C (78°F)25°C (77°F)25°C (77°F)26°C (80°F)28°C (82°F)28°C (83°F)28°C (82°F)26°C (78°F)
Waves
Height0.1m (0.3ft)0.5m (1.5ft)0.1m (0.3ft)0.4m (1.2ft)0.3m (0.8ft)0.2m (0.7ft)0.1m (0.4ft)0.2m (0.8ft)
Direction 184°
S
184°
S
184°
S
183°
S
169°
S
127°
SE
148°
SSE
152°
SSE
Period1.6 sec.1.6 sec.1.6 sec.1.6 sec.1.6 sec.1.6 sec.1.6 sec.1.8 sec.
Significant height0.2m (0.7ft)0.1m (0.3ft)0.1m (0.3ft)0.1m (0.3ft)0.1m (0.3ft)0.3m (1ft)0.3m (1ft)0.2m (0.7ft)
Sea water temperature
Water temperature24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)

Sea weather on Tuesday 21 July 2026

On Tuesday 21 July 2026, the sun will rise at 05:14 and will set at 19:21 on the beach(es) of Hiroshima. The outside temperature will be a high of 83°F t and a low of 76°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 12.4mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (78°F)25°C (76°F)25°C (76°F)27°C (81°F)25°C (77°F)27°C (81°F)27°C (81°F)26°C (78°F)
Perceived temperature28°C (83°F)27°C (81°F)27°C (81°F)30°C (87°F)27°C (80°F)30°C (85°F)30°C (87°F)29°C (84°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity91%92%89%79%71%67%79%88%
Barometric pressure1009 hPa1008 hPa1009 hPa1009 hPa1009 hPa1008 hPa1008 hPa1009 hPa
Cloud cover9%19%14%7%5%8%6%12%
Heat index28°C (83°F)27°C (81°F)27°C (81°F)30°C (87°F)27°C (80°F)30°C (85°F)30°C (87°F)29°C (84°F)
Dew point24°C (75°F)23°C (74°F)23°C (73°F)23°C (74°F)19°C (67°F)21°C (69°F)23°C (74°F)24°C (74°F)
Wind
Speed4km/h (2mph)4km/h (2mph)4km/h (2mph)1km/h (0mph)4km/h (3mph)10km/h (6mph)8km/h (5mph)3km/h (2mph)
Gusts8km/h (5mph)7km/h (4mph)7km/h (5mph)1km/h (1mph)9km/h (6mph)20km/h (13mph)17km/h (10mph)7km/h (4mph)
Direction 265°
W
284°
WNW
333°
NNW
211°
SSW
198°
SSW
185°
S
170°
S
277°
W
Wind chill25°C (78°F)25°C (76°F)25°C (76°F)27°C (81°F)25°C (77°F)27°C (81°F)27°C (81°F)26°C (78°F)
Waves
Height0.4m (1.4ft)0.6m (1.9ft)0.3m (1.0ft)0.1m (0.3ft)0.1m (0.4ft)0.1m (0.4ft)0.2m (0.7ft)0.1m (0.4ft)
Direction 155°
SSE
262°
W
161°
SSE
164°
SSE
128°
SE
127°
SE
127°
SE
75°
ENE
Period1.8 sec.1.8 sec.1.8 sec.1.8 sec.1.8 sec.1.8 sec.1.8 sec.1.8 sec.
Significant height0.2m (0.7ft)0.1m (0.3ft)0.1m (0.3ft)0.1m (0.3ft)0.4m (1.3ft)0.3m (1ft)0.3m (1ft)0.2m (0.7ft)
Sea water temperature
Water temperature22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)

Sea weather on Wednesday 22 July 2026

On Wednesday 22 July 2026, the sun will rise at 05:14 and will set at 19:20 on the beach(es) of Hiroshima. The outside temperature will be a high of 85°F t and a low of 77°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 13.7mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (78°F)25°C (77°F)25°C (77°F)27°C (81°F)28°C (82°F)27°C (80°F)28°C (82°F)26°C (80°F)
Perceived temperature28°C (83°F)27°C (81°F)28°C (82°F)30°C (87°F)31°C (88°F)29°C (85°F)31°C (88°F)30°C (85°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity89%90%89%81%74%73%78%84%
Barometric pressure1009 hPa1008 hPa1010 hPa1010 hPa1009 hPa1008 hPa1008 hPa1009 hPa
Cloud cover10%13%22%26%19%14%13%6%
Heat index28°C (83°F)27°C (81°F)28°C (82°F)30°C (87°F)31°C (88°F)29°C (85°F)31°C (88°F)30°C (85°F)
Dew point23°C (74°F)23°C (73°F)23°C (73°F)23°C (74°F)23°C (73°F)22°C (71°F)23°C (74°F)23°C (74°F)
Wind
Speed3km/h (2mph)4km/h (2mph)3km/h (2mph)3km/h (2mph)6km/h (4mph)10km/h (6mph)5km/h (3mph)4km/h (2mph)
Gusts7km/h (4mph)8km/h (5mph)5km/h (3mph)5km/h (3mph)11km/h (7mph)22km/h (14mph)11km/h (7mph)8km/h (5mph)
Direction 277°
W
286°
WNW
331°
NNW
203°
SSW
178°
S
179°
S
129°
SE
267°
W
Wind chill25°C (78°F)25°C (77°F)25°C (77°F)27°C (81°F)28°C (82°F)27°C (80°F)28°C (82°F)26°C (80°F)
Waves
Height0.2m (0.5ft)0.1m (0.3ft)0.4m (1.4ft)0.5m (1.8ft)0.2m (0.8ft)0.1m (0.4ft)0.3m (1.0ft)0.4m (1.2ft)
Direction 24°
NNE
358°
N
358°
N
358°
N
136°
SE
150°
SSE
153°
SSE
155°
SSE
Period1.8 sec.1.8 sec.1.8 sec.1.8 sec.1.8 sec.1.8 sec.1.8 sec.1.8 sec.
Significant height0.2m (0.7ft)0.2m (0.7ft)0.1m (0.3ft)0.1m (0.3ft)0.2m (0.7ft)0.4m (1.3ft)0.1m (0.3ft)0.2m (0.7ft)
Sea water temperature
Water temperature24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)

Sea weather on Thursday 23 July 2026

On Thursday 23 July 2026, the sun will rise at 05:15 and will set at 19:20 on the beach(es) of Hiroshima. The outside temperature will be a high of 81°F t and a low of 77°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 5.6mph km/h (with gusts up to 12.4mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (78°F)25°C (77°F)25°C (77°F)27°C (81°F)25°C (77°F)27°C (81°F)27°C (81°F)26°C (79°F)
Perceived temperature29°C (84°F)28°C (82°F)28°C (82°F)31°C (88°F)27°C (80°F)30°C (85°F)31°C (87°F)30°C (85°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity86%88%88%80%73%72%80%85%
Barometric pressure1009 hPa1008 hPa1010 hPa1010 hPa1009 hPa1008 hPa1008 hPa1010 hPa
Cloud cover17%19%16%12%9%9%6%8%
Heat index29°C (84°F)28°C (82°F)28°C (82°F)31°C (88°F)27°C (80°F)30°C (85°F)31°C (87°F)30°C (85°F)
Dew point23°C (74°F)23°C (73°F)23°C (73°F)24°C (75°F)20°C (68°F)22°C (71°F)23°C (74°F)24°C (74°F)
Wind
Speed2km/h (1mph)2km/h (1mph)3km/h (2mph)2km/h (1mph)5km/h (3mph)9km/h (6mph)8km/h (5mph)4km/h (2mph)
Gusts4km/h (3mph)4km/h (3mph)5km/h (3mph)3km/h (2mph)11km/h (7mph)20km/h (12mph)16km/h (10mph)8km/h (5mph)
Direction 341°
NNW
349°
N

N
184°
S
176°
S
186°
S
155°
SSE
323°
NW
Wind chill26°C (78°F)25°C (77°F)25°C (77°F)27°C (81°F)25°C (77°F)27°C (81°F)27°C (81°F)26°C (79°F)
Waves
Height0.4m (1.4ft)0.1m (0.3ft)0.1m (0.4ft)0.4m (1.2ft)0.1m (0.4ft)0.4m (1.4ft)0.4m (1.5ft)0.1m (0.3ft)
Direction 158°
SSE
161°
SSE
163°
SSE
165°
SSE
143°
SE
156°
SSE
157°
SSE
159°
SSE
Period1.8 sec.1.8 sec.1.8 sec.1.8 sec.1.8 sec.1.8 sec.1.8 sec.1.8 sec.
Significant height0.1m (0.3ft)0.1m (0.3ft)0.1m (0.3ft)0.1m (0.3ft)0.2m (0.7ft)0.3m (1ft)0.2m (0.7ft)0.1m (0.3ft)
Sea water temperature
Water temperature24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)

Sea weather on Friday 24 July 2026

On Friday 24 July 2026, the sun will rise at 05:16 and will set at 19:19 on the beach(es) of Hiroshima. The outside temperature will be a high of 83°F t and a low of 77°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 13.7mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (78°F)25°C (77°F)25°C (77°F)28°C (82°F)25°C (77°F)27°C (81°F)27°C (81°F)26°C (79°F)
Perceived temperature29°C (84°F)28°C (82°F)28°C (82°F)31°C (88°F)27°C (80°F)29°C (85°F)31°C (87°F)29°C (84°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity86%89%90%79%73%72%76%84%
Barometric pressure1010 hPa1010 hPa1011 hPa1011 hPa1011 hPa1010 hPa1009 hPa1011 hPa
Cloud cover11%8%9%6%7%6%9%8%
Heat index29°C (84°F)28°C (82°F)28°C (82°F)31°C (88°F)27°C (80°F)29°C (85°F)31°C (87°F)29°C (84°F)
Dew point23°C (74°F)23°C (74°F)23°C (74°F)24°C (75°F)20°C (68°F)21°C (71°F)23°C (73°F)23°C (73°F)
Wind
Speed3km/h (2mph)3km/h (2mph)3km/h (2mph)2km/h (1mph)6km/h (4mph)10km/h (6mph)7km/h (4mph)4km/h (2mph)
Gusts7km/h (4mph)6km/h (4mph)4km/h (3mph)3km/h (2mph)14km/h (8mph)22km/h (14mph)14km/h (9mph)8km/h (5mph)
Direction
N
35°
NE
306°
NW
150°
SSE
174°
S
179°
S
172°
S
238°
WSW
Wind chill26°C (78°F)25°C (77°F)25°C (77°F)28°C (82°F)25°C (77°F)27°C (81°F)27°C (81°F)26°C (79°F)
Waves
Height0.4m (1.5ft)0.2m (0.5ft)0.4m (1.2ft)0.5m (1.5ft)0.4m (1.3ft)0.4m (1.5ft)0.1m (0.5ft)0.4m (1.3ft)
Direction 162°
SSE
164°
SSE
166°
SSE
168°
SSE
143°
SE
142°
SE
156°
SSE
159°
SSE
Period1.8 sec.1.8 sec.1.8 sec.1.8 sec.1.8 sec.1.8 sec.1.8 sec.1.9 sec.
Significant height0.1m (0.3ft)0.1m (0.3ft)0.1m (0.3ft)0.1m (0.3ft)0.2m (0.7ft)0.3m (1ft)0.3m (1ft)0.2m (0.7ft)
Sea water temperature
Water temperature24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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