Sea weather in Iwaki in Japan All the beach weather in Iwaki

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

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

Date Outside temp. Our opinion
Thursday 29 January 202634°F to 43°Fdiscouraged
Friday 30 January 202631°F to 40°Fnot recommended
Saturday 31 January 202632°F to 40°Fnot recommended
Sunday 1 February 202634°F to 47°Fdiscouraged
Monday 2 February 202636°F to 45°Fdiscouraged
Tuesday 3 February 202636°F to 43°Fdiscouraged
Wednesday 4 February 202636°F to 45°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Iwaki

Sea weather on Thursday 29 January 2026

On Thursday 29 January 2026, the sun will rise at 06:41 and will set at 16:57 on the beach(es) of Iwaki. The outside temperature will be a high of 43°F t and a low of 34°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 18.6mph km/h (with gusts up to 26.1mph). Wave height will be up to 3.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature2°C (35°F)2°C (36°F)1°C (35°F)3°C (37°F)5°C (41°F)4°C (39°F)1°C (35°F)1°C (33°F)
Perceived temperature-3°C (27°F)-1°C (29°F)-3°C (27°F)-1°C (30°F)1°C (33°F)-1°C (30°F)-4°C (24°F)-4°C (25°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity49%50%58%50%35%41%48%54%
Barometric pressure1017 hPa1017 hPa1017 hPa1018 hPa1015 hPa1015 hPa1016 hPa1016 hPa
Cloud cover100%94%46%19%12%12%27%28%
Heat index2°C (35°F)2°C (36°F)1°C (35°F)3°C (37°F)5°C (41°F)4°C (39°F)1°C (35°F)1°C (33°F)
Dew point-8°C (18°F)-7°C (19°F)-6°C (21°F)-6°C (21°F)-9°C (15°F)-8°C (18°F)-8°C (17°F)-7°C (19°F)
Wind
Speed16km/h (10mph)12km/h (8mph)14km/h (9mph)16km/h (10mph)24km/h (15mph)30km/h (19mph)27km/h (17mph)19km/h (12mph)
Gusts22km/h (14mph)17km/h (11mph)21km/h (13mph)21km/h (13mph)32km/h (20mph)42km/h (26mph)41km/h (25mph)26km/h (16mph)
Direction 327°
NNW
312°
NW
316°
NW
313°
NW
302°
WNW
311°
NW
317°
NW
327°
NNW
Wind chill-3°C (27°F)-1°C (29°F)-3°C (27°F)-1°C (30°F)1°C (33°F)-1°C (30°F)-4°C (24°F)-4°C (25°F)
Waves
Height0.8m (2.5ft)0.8m (2.6ft)0.8m (2.6ft)0.8m (2.7ft)0.9m (2.9ft)0.9m (3.1ft)1.0m (3.3ft)1.0m (3.3ft)
Direction 72°
ENE
71°
ENE
71°
ENE
72°
ENE
69°
ENE
67°
ENE
66°
ENE
64°
ENE
Period13.0 sec.12.6 sec.12.4 sec.12.2 sec.11.9 sec.11.8 sec.11.8 sec.12.1 sec.
Significant height0.7m (2.3ft)0.7m (2.3ft)1.1m (3.6ft)1.1m (3.6ft)1.3m (4.3ft)1.3m (4.3ft)1.1m (3.6ft)1.5m (4.9ft)
Sea water temperature
Water temperature14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)

Sea weather on Friday 30 January 2026

On Friday 30 January 2026, the sun will rise at 06:41 and will set at 16:58 on the beach(es) of Iwaki. The outside temperature will be a high of 40°F t and a low of 31°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 19.9mph km/h (with gusts up to 24.9mph). Wave height will be up to 3.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature1°C (34°F)1°C (33°F)1°C (33°F)2°C (35°F)3°C (38°F)4°C (38°F)-1°C (31°F)1°C (33°F)
Perceived temperature-4°C (24°F)-5°C (23°F)-5°C (23°F)-4°C (25°F)-2°C (28°F)-2°C (28°F)-7°C (20°F)-5°C (23°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity53%57%55%49%43%44%55%56%
Barometric pressure1015 hPa1016 hPa1017 hPa1018 hPa1016 hPa1016 hPa1018 hPa1018 hPa
Cloud cover5%6%15%22%48%31%4%6%
Heat index1°C (34°F)1°C (33°F)1°C (33°F)2°C (35°F)3°C (38°F)4°C (38°F)-1°C (31°F)1°C (33°F)
Dew point-8°C (18°F)-7°C (20°F)-7°C (19°F)-8°C (18°F)-8°C (18°F)-8°C (18°F)-9°C (16°F)-7°C (19°F)
Wind
Speed22km/h (14mph)25km/h (16mph)23km/h (15mph)27km/h (17mph)32km/h (20mph)31km/h (19mph)24km/h (15mph)23km/h (14mph)
Gusts30km/h (18mph)33km/h (20mph)31km/h (19mph)33km/h (20mph)39km/h (24mph)40km/h (25mph)28km/h (18mph)30km/h (19mph)
Direction 321°
NW
297°
WNW
297°
WNW
299°
WNW
301°
WNW
305°
NW
305°
NW
305°
NW
Wind chill-4°C (24°F)-5°C (23°F)-5°C (23°F)-4°C (25°F)-2°C (28°F)-2°C (28°F)-7°C (20°F)-5°C (23°F)
Waves
Height1.0m (3.2ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.2ft)1.0m (3.2ft)1.0m (3.2ft)0.9m (2.9ft)0.8m (2.7ft)
Direction 62°
ENE
62°
ENE
62°
ENE
62°
ENE
62°
ENE
62°
ENE
62°
ENE
62°
ENE
Period12.4 sec.12.4 sec.12.5 sec.12.3 sec.12.1 sec.11.9 sec.11.8 sec.11.7 sec.
Significant height0.9m (3ft)1.0m (3.3ft)1.0m (3.3ft)1.1m (3.6ft)1.2m (3.9ft)1.2m (3.9ft)0.9m (3ft)0.9m (3ft)
Sea water temperature
Water temperature14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)

Sea weather on Saturday 31 January 2026

On Saturday 31 January 2026, the sun will rise at 06:40 and will set at 16:59 on the beach(es) of Iwaki. The outside temperature will be a high of 40°F t and a low of 32°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 27.3mph). Wave height will be up to 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature0°C (32°F)0°C (32°F)0°C (33°F)2°C (35°F)4°C (39°F)4°C (39°F)2°C (35°F)2°C (35°F)
Perceived temperature-5°C (24°F)-5°C (24°F)-5°C (22°F)-4°C (25°F)-1°C (30°F)-2°C (29°F)-3°C (26°F)-2°C (29°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity61%60%54%48%39%43%59%63%
Barometric pressure1017 hPa1018 hPa1017 hPa1018 hPa1017 hPa1018 hPa1019 hPa1019 hPa
Cloud cover25%35%9%7%25%10%18%10%
Heat index0°C (32°F)0°C (32°F)0°C (33°F)2°C (35°F)4°C (39°F)4°C (39°F)2°C (35°F)2°C (35°F)
Dew point-7°C (20°F)-7°C (20°F)-8°C (18°F)-8°C (18°F)-9°C (16°F)-7°C (19°F)-6°C (22°F)-5°C (24°F)
Wind
Speed16km/h (10mph)17km/h (11mph)24km/h (15mph)28km/h (17mph)33km/h (20mph)31km/h (19mph)20km/h (13mph)12km/h (7mph)
Gusts21km/h (13mph)22km/h (14mph)31km/h (19mph)33km/h (21mph)41km/h (25mph)44km/h (28mph)32km/h (20mph)18km/h (11mph)
Direction 296°
WNW
298°
WNW
300°
WNW
307°
NW
301°
WNW
300°
WNW
307°
NW
293°
WNW
Wind chill-5°C (24°F)-5°C (24°F)-5°C (22°F)-4°C (25°F)-1°C (30°F)-2°C (29°F)-3°C (26°F)-2°C (29°F)
Waves
Height0.7m (2.5ft)0.7m (2.4ft)0.7m (2.4ft)0.7m (2.4ft)0.8m (2.6ft)0.7m (2.5ft)0.6m (2.1ft)0.6m (1.9ft)
Direction 63°
ENE
63°
ENE
63°
ENE
59°
ENE
60°
ENE
60°
ENE
60°
ENE
61°
ENE
Period11.4 sec.11.1 sec.11.3 sec.12.6 sec.12.5 sec.12.4 sec.12.4 sec.12.3 sec.
Significant height1.0m (3.3ft)0.9m (3ft)0.9m (3ft)1.0m (3.3ft)1.1m (3.6ft)1.0m (3.3ft)0.6m (2ft)0.5m (1.6ft)
Sea water temperature
Water temperature14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)

Sea weather on Sunday 1 February 2026

On Sunday 1 February 2026, the sun will rise at 06:39 and will set at 17:00 on the beach(es) of Iwaki. The outside temperature will be a high of 47°F t and a low of 34°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 14.9mph km/h (with gusts up to 21.1mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature3°C (37°F)2°C (36°F)1°C (35°F)3°C (37°F)6°C (42°F)8°C (46°F)6°C (42°F)4°C (39°F)
Perceived temperature-2°C (29°F)-2°C (29°F)-2°C (28°F)1°C (33°F)2°C (35°F)4°C (39°F)3°C (37°F)0°C (33°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity53%55%65%54%46%35%44%61%
Barometric pressure1018 hPa1018 hPa1018 hPa1018 hPa1015 hPa1013 hPa1014 hPa1015 hPa
Cloud cover10%14%16%5%7%38%44%44%
Heat index3°C (37°F)2°C (36°F)1°C (35°F)3°C (37°F)6°C (42°F)8°C (46°F)6°C (42°F)4°C (39°F)
Dew point-6°C (21°F)-6°C (21°F)-4°C (24°F)-5°C (22°F)-5°C (23°F)-7°C (20°F)-5°C (22°F)-3°C (27°F)
Wind
Speed17km/h (11mph)13km/h (8mph)14km/h (9mph)8km/h (5mph)22km/h (13mph)24km/h (15mph)13km/h (8mph)15km/h (9mph)
Gusts28km/h (17mph)20km/h (12mph)22km/h (13mph)11km/h (7mph)31km/h (19mph)34km/h (21mph)22km/h (14mph)23km/h (14mph)
Direction 290°
WNW
314°
NW
328°
NNW
261°
W
195°
SSW
201°
SSW
294°
WNW
328°
NNW
Wind chill-2°C (29°F)-2°C (29°F)-2°C (28°F)1°C (33°F)2°C (35°F)4°C (39°F)3°C (37°F)0°C (33°F)
Waves
Height0.5m (1.8ft)0.5m (1.7ft)0.5m (1.7ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.7ft)0.5m (1.8ft)0.5m (1.7ft)
Direction 60°
ENE
60°
ENE
61°
ENE
62°
ENE
63°
ENE
64°
ENE
62°
ENE
63°
ENE
Period12.1 sec.12.0 sec.11.9 sec.11.8 sec.11.7 sec.11.6 sec.11.4 sec.11.3 sec.
Significant height0.5m (1.6ft)0.8m (2.6ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)0.6m (2ft)
Sea water temperature
Water temperature14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)

Sea weather on Monday 2 February 2026

On Monday 2 February 2026, the sun will rise at 06:38 and will set at 17:01 on the beach(es) of Iwaki. The outside temperature will be a high of 45°F t and a low of 36°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 10.6mph km/h (with gusts up to 15.5mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature3°C (37°F)2°C (35°F)2°C (35°F)3°C (38°F)7°C (44°F)6°C (44°F)5°C (42°F)4°C (40°F)
Perceived temperature-1°C (30°F)-1°C (30°F)-2°C (29°F)1°C (33°F)4°C (39°F)4°C (40°F)3°C (37°F)1°C (34°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity64%67%57%48%35%40%46%56%
Barometric pressure1015 hPa1017 hPa1017 hPa1018 hPa1016 hPa1016 hPa1017 hPa1017 hPa
Cloud cover100%39%21%7%46%84%100%82%
Heat index3°C (37°F)2°C (35°F)2°C (35°F)3°C (38°F)7°C (44°F)6°C (44°F)5°C (42°F)4°C (40°F)
Dew point-3°C (27°F)-4°C (25°F)-6°C (21°F)-7°C (20°F)-8°C (18°F)-6°C (21°F)-5°C (22°F)-4°C (25°F)
Wind
Speed17km/h (11mph)10km/h (6mph)12km/h (8mph)9km/h (6mph)14km/h (9mph)11km/h (7mph)11km/h (7mph)14km/h (9mph)
Gusts25km/h (15mph)14km/h (9mph)18km/h (11mph)12km/h (8mph)19km/h (12mph)15km/h (9mph)16km/h (10mph)20km/h (12mph)
Direction 340°
NNW
337°
NNW
336°
NNW
330°
NNW
315°
NW
285°
WNW
358°
N
350°
N
Wind chill-1°C (30°F)-1°C (30°F)-2°C (29°F)1°C (33°F)4°C (39°F)4°C (40°F)3°C (37°F)1°C (34°F)
Waves
Height0.5m (1.7ft)0.5m (1.8ft)0.5m (1.8ft)0.5m (1.7ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.5ft)0.4m (1.4ft)
Direction 64°
ENE
65°
ENE
67°
ENE
68°
ENE
70°
ENE
72°
ENE
69°
ENE
69°
ENE
Period11.2 sec.11.1 sec.11.0 sec.11.0 sec.10.9 sec.10.8 sec.10.7 sec.10.5 sec.
Significant height0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.7m (2.3ft)0.7m (2.3ft)0.4m (1.3ft)0.3m (1ft)
Sea water temperature
Water temperature14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)

Sea weather on Tuesday 3 February 2026

On Tuesday 3 February 2026, the sun will rise at 06:37 and will set at 17:03 on the beach(es) of Iwaki. The outside temperature will be a high of 43°F t and a low of 36°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 25.5mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature3°C (37°F)3°C (37°F)2°C (35°F)3°C (38°F)6°C (43°F)6°C (43°F)3°C (37°F)3°C (38°F)
Perceived temperature-2°C (29°F)-1°C (30°F)-2°C (28°F)-0°C (32°F)3°C (37°F)2°C (36°F)-2°C (28°F)-1°C (30°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity73%67%68%54%38%44%56%55%
Barometric pressure1017 hPa1017 hPa1018 hPa1020 hPa1019 hPa1020 hPa1023 hPa1024 hPa
Cloud cover67%100%3%0%51%28%5%0%
Heat index3°C (37°F)3°C (37°F)2°C (35°F)3°C (38°F)6°C (43°F)6°C (43°F)3°C (37°F)3°C (38°F)
Dew point-2°C (29°F)-3°C (27°F)-4°C (25°F)-5°C (23°F)-7°C (19°F)-5°C (23°F)-5°C (23°F)-5°C (23°F)
Wind
Speed18km/h (11mph)16km/h (10mph)13km/h (8mph)14km/h (9mph)19km/h (12mph)26km/h (16mph)23km/h (14mph)20km/h (12mph)
Gusts24km/h (15mph)22km/h (14mph)18km/h (11mph)18km/h (11mph)24km/h (15mph)35km/h (22mph)41km/h (25mph)28km/h (17mph)
Direction 332°
NNW
327°
NNW
324°
NW
328°
NNW
312°
NW
302°
WNW
309°
NW
313°
NW
Wind chill-2°C (29°F)-1°C (30°F)-2°C (28°F)-0°C (32°F)3°C (37°F)2°C (36°F)-2°C (28°F)-1°C (30°F)
Waves
Height0.4m (1.3ft)0.4m (1.4ft)0.5m (1.5ft)0.5m (1.7ft)0.6m (2.0ft)0.6m (2.1ft)0.6m (1.9ft)0.5m (1.6ft)
Direction 70°
ENE
72°
ENE
83°
E
89°
E
85°
E
81°
E
75°
ENE
75°
ENE
Period10.4 sec.10.4 sec.8.8 sec.8.4 sec.7.6 sec.10.1 sec.9.8 sec.4.9 sec.
Significant height0.6m (2ft)0.4m (1.3ft)0.4m (1.3ft)0.5m (1.6ft)1.1m (3.6ft)1.0m (3.3ft)0.8m (2.6ft)0.5m (1.6ft)
Sea water temperature
Water temperature14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)

Sea weather on Wednesday 4 February 2026

On Wednesday 4 February 2026, the sun will rise at 06:36 and will set at 17:04 on the beach(es) of Iwaki. The outside temperature will be a high of 45°F t and a low of 36°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 21.8mph). Wave height will be up to 3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature3°C (38°F)3°C (37°F)2°C (36°F)4°C (39°F)7°C (45°F)7°C (45°F)7°C (45°F)6°C (43°F)
Perceived temperature-2°C (29°F)-1°C (31°F)-0°C (32°F)3°C (37°F)4°C (39°F)5°C (40°F)7°C (45°F)4°C (40°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity53%53%59%50%47%48%43%49%
Barometric pressure1024 hPa1023 hPa1024 hPa1023 hPa1020 hPa1019 hPa1019 hPa1018 hPa
Cloud cover0%0%0%0%18%2%14%100%
Heat index3°C (38°F)3°C (37°F)2°C (36°F)4°C (39°F)7°C (45°F)7°C (45°F)7°C (45°F)6°C (43°F)
Dew point-6°C (22°F)-6°C (22°F)-5°C (23°F)-6°C (22°F)-3°C (26°F)-3°C (26°F)-4°C (24°F)-4°C (26°F)
Wind
Speed25km/h (15mph)13km/h (8mph)7km/h (4mph)6km/h (4mph)17km/h (10mph)14km/h (9mph)2km/h (1mph)10km/h (6mph)
Gusts35km/h (22mph)20km/h (12mph)11km/h (7mph)8km/h (5mph)22km/h (14mph)27km/h (17mph)4km/h (3mph)17km/h (11mph)
Direction 317°
NW
306°
NW
270°
W
268°
W
188°
S
188°
S
280°
W
263°
W
Wind chill-2°C (29°F)-1°C (31°F)-0°C (32°F)3°C (37°F)4°C (39°F)5°C (40°F)7°C (45°F)4°C (40°F)
Waves
Height0.4m (1.4ft)0.5m (1.6ft)0.6m (1.9ft)0.7m (2.2ft)0.7m (2.5ft)0.9m (2.8ft)0.9m (3.0ft)0.9m (3.1ft)
Direction 73°
ENE
71°
ENE
72°
ENE
71°
ENE
71°
ENE
71°
ENE
72°
ENE
71°
ENE
Period17.8 sec.17.0 sec.16.3 sec.15.6 sec.15.1 sec.14.6 sec.14.3 sec.13.9 sec.
Significant height0.3m (1ft)0.4m (1.3ft)0.5m (1.6ft)0.6m (2ft)0.7m (2.3ft)0.9m (3ft)1.2m (3.9ft)1.2m (3.9ft)
Sea water temperature
Water temperature14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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