Sea weather in Kamaishi in Japan All the beach weather in Kamaishi

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

Discover the best moment to go to the beach in Kamaishi in Japan this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Kamaishi. 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 202668°F to 70°Frecommended
Sunday 19 July 202668°F to 70°Fdiscouraged
Monday 20 July 202668°F to 70°Frecommended
Tuesday 21 July 202670°F to 76°Frecommended
Wednesday 22 July 202668°F to 72°Fdiscouraged
Thursday 23 July 202668°F to 72°Frecommended
Friday 24 July 202670°F to 72°Frecommended

Sea Weather: Your daily and hourly sea weather in Kamaishi

Sea weather on Saturday 18 July 2026

On Saturday 18 July 2026, the sun will rise at 04:20 and will set at 18:57 on the beach(es) of Kamaishi. The outside temperature will be a high of 70°F t and a low of 68°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 18.6mph). Wave height will be up to 3.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature21°C (69°F)21°C (69°F)20°C (69°F)20°C (69°F)20°C (69°F)21°C (69°F)21°C (69°F)21°C (70°F)
Perceived temperature21°C (69°F)21°C (69°F)20°C (69°F)20°C (69°F)20°C (69°F)21°C (69°F)21°C (69°F)21°C (70°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity97%97%97%97%97%95%97%97%
Barometric pressure1008 hPa1008 hPa1009 hPa1009 hPa1009 hPa1008 hPa1008 hPa1009 hPa
Cloud cover98%96%58%100%99%80%92%100%
Heat index21°C (69°F)21°C (69°F)20°C (69°F)20°C (69°F)20°C (69°F)21°C (69°F)21°C (69°F)21°C (70°F)
Dew point20°C (69°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)21°C (69°F)
Wind
Speed15km/h (10mph)14km/h (9mph)11km/h (7mph)11km/h (7mph)12km/h (8mph)12km/h (7mph)13km/h (8mph)15km/h (9mph)
Gusts30km/h (19mph)28km/h (18mph)22km/h (13mph)21km/h (13mph)24km/h (15mph)23km/h (14mph)26km/h (16mph)29km/h (18mph)
Direction 176°
S
190°
S
198°
SSW
182°
S
185°
S
177°
S
190°
S
199°
SSW
Wind chill21°C (69°F)21°C (69°F)20°C (69°F)20°C (69°F)20°C (69°F)21°C (69°F)21°C (69°F)21°C (70°F)
Waves
Height1.0m (3.2ft)1.0m (3.2ft)1.0m (3.2ft)1.0m (3.2ft)1.0m (3.3ft)1.0m (3.4ft)1.1m (3.6ft)1.2m (3.8ft)
Direction 116°
ESE
116°
ESE
116°
ESE
109°
ESE
111°
ESE
112°
ESE
113°
ESE
113°
ESE
Period8.1 sec.8.0 sec.8.1 sec.8.8 sec.9.0 sec.9.0 sec.9.0 sec.8.9 sec.
Significant height1.3m (4.3ft)1.4m (4.6ft)1.4m (4.6ft)1.4m (4.6ft)1.4m (4.6ft)0.3m (1ft)0.2m (0.7ft)0.3m (1ft)
Sea water temperature
Water temperature17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)

Sea weather on Sunday 19 July 2026

On Sunday 19 July 2026, the sun will rise at 04:21 and will set at 18:56 on the beach(es) of Kamaishi. The outside temperature will be a high of 70°F t and a low of 68°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 23.6mph). Wave height will be up to 4.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature21°C (69°F)20°C (69°F)21°C (69°F)21°C (70°F)21°C (70°F)21°C (70°F)21°C (69°F)21°C (70°F)
Perceived temperature21°C (69°F)20°C (69°F)21°C (69°F)21°C (70°F)21°C (70°F)21°C (70°F)21°C (69°F)21°C (70°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity98%98%99%98%94%96%96%96%
Barometric pressure1008 hPa1007 hPa1008 hPa1008 hPa1007 hPa1006 hPa1006 hPa1007 hPa
Cloud cover100%100%98%94%40%71%33%35%
Heat index21°C (69°F)20°C (69°F)21°C (69°F)21°C (70°F)21°C (70°F)21°C (70°F)21°C (69°F)24°C (76°F)
Dew point20°C (69°F)20°C (68°F)20°C (69°F)21°C (69°F)20°C (68°F)20°C (69°F)20°C (68°F)21°C (69°F)
Wind
Speed17km/h (11mph)21km/h (13mph)18km/h (11mph)20km/h (13mph)27km/h (17mph)26km/h (16mph)24km/h (15mph)22km/h (14mph)
Gusts33km/h (20mph)28km/h (18mph)35km/h (21mph)38km/h (23mph)32km/h (20mph)29km/h (18mph)25km/h (15mph)29km/h (18mph)
Direction 190°
S
189°
S
200°
SSW
191°
S
187°
S
189°
S
190°
S
202°
SSW
Wind chill21°C (69°F)20°C (69°F)21°C (69°F)21°C (70°F)21°C (70°F)21°C (70°F)21°C (69°F)21°C (70°F)
Waves
Height1.2m (4.1ft)1.3m (4.3ft)1.3m (4.4ft)1.3m (4.3ft)1.3m (4.3ft)1.3m (4.3ft)1.3m (4.2ft)1.3m (4.2ft)
Direction 112°
ESE
112°
ESE
112°
ESE
113°
ESE
113°
ESE
112°
ESE
111°
ESE
111°
ESE
Period8.9 sec.9.0 sec.9.0 sec.9.0 sec.8.9 sec.8.9 sec.8.8 sec.8.8 sec.
Significant height0.5m (1.6ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)
Sea water temperature
Water temperature17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)

Sea weather on Monday 20 July 2026

On Monday 20 July 2026, the sun will rise at 04:22 and will set at 18:55 on the beach(es) of Kamaishi. The outside temperature will be a high of 70°F t and a low of 68°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 20.5mph). Wave height will be up to 4.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature21°C (71°F)21°C (70°F)20°C (68°F)20°C (69°F)20°C (68°F)20°C (69°F)20°C (69°F)21°C (69°F)
Perceived temperature21°C (71°F)21°C (70°F)20°C (68°F)20°C (69°F)20°C (68°F)20°C (69°F)20°C (69°F)21°C (69°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity96%97%98%94%93%92%92%92%
Barometric pressure1006 hPa1006 hPa1007 hPa1008 hPa1007 hPa1007 hPa1007 hPa1008 hPa
Cloud cover24%100%73%78%70%80%51%48%
Heat index24°C (76°F)21°C (70°F)20°C (68°F)20°C (69°F)20°C (68°F)20°C (69°F)20°C (69°F)21°C (69°F)
Dew point21°C (69°F)20°C (69°F)20°C (68°F)19°C (67°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (67°F)
Wind
Speed19km/h (12mph)5km/h (3mph)17km/h (11mph)15km/h (10mph)13km/h (8mph)10km/h (6mph)4km/h (2mph)3km/h (2mph)
Gusts19km/h (12mph)11km/h (7mph)33km/h (21mph)28km/h (17mph)23km/h (14mph)19km/h (12mph)7km/h (5mph)6km/h (4mph)
Direction 213°
SSW
353°
N
28°
NNE
38°
NE
48°
NE
62°
ENE
77°
ENE
219°
SW
Wind chill21°C (71°F)21°C (70°F)20°C (68°F)20°C (69°F)20°C (68°F)20°C (69°F)20°C (69°F)21°C (69°F)
Waves
Height1.3m (4.2ft)1.2m (4.1ft)1.2m (4.1ft)1.3m (4.2ft)1.3m (4.4ft)1.4m (4.6ft)1.5m (4.9ft)1.5m (5.1ft)
Direction 111°
ESE
110°
ESE
110°
ESE
111°
ESE
101°
E
100°
E
98°
E
97°
E
Period8.7 sec.8.7 sec.8.5 sec.8.6 sec.10.2 sec.10.5 sec.10.9 sec.10.8 sec.
Significant height0.6m (2ft)0.4m (1.3ft)0.4m (1.3ft)0.3m (1ft)0.2m (0.7ft)0.3m (1ft)0.2m (0.7ft)0.2m (0.7ft)
Sea water temperature
Water temperature17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)

Sea weather on Tuesday 21 July 2026

On Tuesday 21 July 2026, the sun will rise at 04:22 and will set at 18:55 on the beach(es) of Kamaishi. The outside temperature will be a high of 76°F t and a low of 70°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 14.3mph). Wave height will be up to 5.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature21°C (70°F)21°C (70°F)21°C (71°F)22°C (72°F)23°C (74°F)24°C (75°F)22°C (72°F)22°C (72°F)
Perceived temperature21°C (70°F)21°C (70°F)21°C (71°F)25°C (76°F)25°C (78°F)26°C (79°F)25°C (77°F)25°C (77°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity92%94%95%92%89%87%93%95%
Barometric pressure1007 hPa1006 hPa1006 hPa1006 hPa1006 hPa1005 hPa1006 hPa1007 hPa
Cloud cover34%40%21%55%82%76%17%55%
Heat index21°C (70°F)21°C (70°F)24°C (76°F)25°C (76°F)25°C (78°F)26°C (79°F)25°C (77°F)25°C (77°F)
Dew point20°C (67°F)20°C (68°F)21°C (69°F)21°C (70°F)21°C (70°F)22°C (71°F)21°C (70°F)22°C (71°F)
Wind
Speed9km/h (6mph)10km/h (6mph)8km/h (5mph)8km/h (5mph)5km/h (3mph)3km/h (2mph)11km/h (7mph)9km/h (6mph)
Gusts17km/h (11mph)20km/h (13mph)17km/h (10mph)17km/h (10mph)11km/h (7mph)7km/h (4mph)23km/h (15mph)17km/h (10mph)
Direction 193°
SSW
201°
SSW
200°
SSW
141°
SE
166°
SSE
194°
SSW
60°
ENE
43°
NE
Wind chill21°C (70°F)21°C (70°F)21°C (71°F)22°C (72°F)23°C (74°F)24°C (75°F)22°C (72°F)22°C (72°F)
Waves
Height1.6m (5.2ft)1.6m (5.2ft)1.5m (5.1ft)1.5m (5.0ft)1.5m (4.9ft)1.4m (4.7ft)1.4m (4.6ft)1.3m (4.4ft)
Direction 97°
E
97°
E
96°
E
95°
E
95°
E
95°
E
95°
E
96°
E
Period10.7 sec.10.6 sec.10.6 sec.10.5 sec.10.4 sec.10.3 sec.10.2 sec.10.1 sec.
Significant height0.1m (0.3ft)0.7m (2.3ft)0.1m (0.3ft)0.2m (0.7ft)0.4m (1.3ft)0.3m (1ft)0.4m (1.3ft)0.2m (0.7ft)
Sea water temperature
Water temperature19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)

Sea weather on Wednesday 22 July 2026

On Wednesday 22 July 2026, the sun will rise at 04:23 and will set at 18:54 on the beach(es) of Kamaishi. The outside temperature will be a high of 72°F t and a low of 68°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 23mph). Wave height will be up to 4.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature22°C (71°F)22°C (71°F)21°C (70°F)21°C (70°F)21°C (69°F)21°C (69°F)20°C (69°F)20°C (68°F)
Perceived temperature22°C (71°F)22°C (71°F)21°C (70°F)21°C (70°F)21°C (69°F)21°C (69°F)20°C (69°F)20°C (68°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity97%97%98%99%99%97%97%98%
Barometric pressure1007 hPa1006 hPa1006 hPa1006 hPa1006 hPa1007 hPa1008 hPa1009 hPa
Cloud cover70%72%84%96%100%100%100%100%
Heat index24°C (76°F)24°C (76°F)24°C (76°F)21°C (70°F)21°C (69°F)21°C (69°F)20°C (69°F)20°C (68°F)
Dew point21°C (70°F)21°C (70°F)21°C (70°F)21°C (69°F)20°C (69°F)20°C (68°F)20°C (68°F)20°C (67°F)
Wind
Speed4km/h (2mph)5km/h (3mph)10km/h (6mph)13km/h (8mph)21km/h (13mph)13km/h (8mph)10km/h (6mph)2km/h (1mph)
Gusts7km/h (4mph)10km/h (6mph)19km/h (12mph)25km/h (16mph)37km/h (23mph)23km/h (14mph)21km/h (13mph)4km/h (3mph)
Direction 90°
E
165°
SSE
181°
S
185°
S
28°
NNE

N
65°
ENE
51°
NE
Wind chill22°C (71°F)22°C (71°F)21°C (70°F)21°C (70°F)21°C (69°F)21°C (69°F)20°C (69°F)20°C (68°F)
Waves
Height1.3m (4.4ft)1.3m (4.2ft)1.2m (4.1ft)1.2m (4.0ft)1.2m (3.8ft)1.1m (3.7ft)1.1m (3.6ft)1.1m (3.5ft)
Direction 95°
E
95°
E
95°
E
95°
E
96°
E
96°
E
96°
E
97°
E
Period10.1 sec.10.1 sec.10.0 sec.9.8 sec.9.8 sec.9.8 sec.9.7 sec.9.7 sec.
Significant height0.4m (1.3ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.3m (1ft)0.2m (0.7ft)0.1m (0.3ft)0.1m (0.3ft)
Sea water temperature
Water temperature17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)

Sea weather on Thursday 23 July 2026

On Thursday 23 July 2026, the sun will rise at 04:24 and will set at 18:53 on the beach(es) of Kamaishi. The outside temperature will be a high of 72°F t and a low of 68°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 15.5mph). Wave height will be up to 3.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature20°C (68°F)20°C (69°F)20°C (69°F)21°C (69°F)21°C (70°F)22°C (72°F)22°C (71°F)22°C (71°F)
Perceived temperature20°C (68°F)20°C (69°F)20°C (69°F)21°C (69°F)21°C (70°F)25°C (76°F)22°C (71°F)22°C (71°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity98%96%94%93%93%89%91%92%
Barometric pressure1009 hPa1008 hPa1009 hPa1010 hPa1010 hPa1010 hPa1010 hPa1011 hPa
Cloud cover100%68%19%16%29%42%38%30%
Heat index20°C (68°F)20°C (69°F)20°C (69°F)21°C (69°F)24°C (75°F)25°C (76°F)24°C (76°F)24°C (76°F)
Dew point20°C (67°F)20°C (67°F)19°C (67°F)20°C (67°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)
Wind
Speed3km/h (2mph)6km/h (4mph)6km/h (4mph)7km/h (4mph)9km/h (6mph)8km/h (5mph)11km/h (7mph)14km/h (9mph)
Gusts6km/h (4mph)12km/h (8mph)11km/h (7mph)13km/h (8mph)16km/h (10mph)12km/h (7mph)19km/h (12mph)25km/h (16mph)
Direction 237°
WSW
223°
SW
220°
SW
152°
SSE
140°
SE
152°
SSE
190°
S
207°
SSW
Wind chill20°C (68°F)20°C (69°F)20°C (69°F)21°C (69°F)21°C (70°F)22°C (72°F)22°C (71°F)22°C (71°F)
Waves
Height1.0m (3.4ft)1.0m (3.3ft)1.0m (3.2ft)1.0m (3.1ft)0.9m (3.1ft)0.9m (3.0ft)0.9m (3.0ft)0.9m (2.9ft)
Direction 97°
E
97°
E
97°
E
97°
E
97°
E
98°
E
97°
E
97°
E
Period9.7 sec.9.6 sec.9.6 sec.9.5 sec.9.5 sec.9.4 sec.9.3 sec.9.2 sec.
Significant height0.2m (0.7ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)1.4m (4.6ft)1.3m (4.3ft)1.3m (4.3ft)1.3m (4.3ft)
Sea water temperature
Water temperature19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)

Sea weather on Friday 24 July 2026

On Friday 24 July 2026, the sun will rise at 04:25 and will set at 18:52 on the beach(es) of Kamaishi. The outside temperature will be a high of 72°F t and a low of 70°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 16.2mph). Wave height will be up to 3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature21°C (70°F)21°C (70°F)21°C (70°F)22°C (71°F)22°C (71°F)22°C (72°F)22°C (71°F)22°C (71°F)
Perceived temperature21°C (70°F)21°C (70°F)21°C (70°F)22°C (71°F)22°C (71°F)25°C (76°F)22°C (71°F)22°C (71°F)
Precipitation0in0in0in0in0in0in0.1in0in
Humidity93%94%96%93%92%91%95%96%
Barometric pressure1011 hPa1010 hPa1012 hPa1012 hPa1011 hPa1011 hPa1012 hPa1012 hPa
Cloud cover31%20%54%25%26%40%66%78%
Heat index24°C (76°F)21°C (70°F)21°C (70°F)24°C (76°F)24°C (76°F)25°C (76°F)24°C (76°F)24°C (76°F)
Dew point20°C (68°F)20°C (68°F)20°C (69°F)20°C (69°F)20°C (69°F)21°C (69°F)21°C (69°F)21°C (70°F)
Wind
Speed13km/h (8mph)12km/h (8mph)13km/h (8mph)5km/h (3mph)8km/h (5mph)8km/h (5mph)6km/h (4mph)7km/h (4mph)
Gusts25km/h (16mph)25km/h (15mph)26km/h (16mph)9km/h (6mph)14km/h (9mph)14km/h (9mph)12km/h (7mph)13km/h (8mph)
Direction 211°
SSW
211°
SSW
191°
S
156°
SSE
172°
S
170°
S
210°
SSW
211°
SSW
Wind chill21°C (70°F)21°C (70°F)21°C (70°F)22°C (71°F)22°C (71°F)22°C (72°F)22°C (71°F)22°C (71°F)
Waves
Height0.9m (2.9ft)0.9m (2.9ft)0.9m (2.9ft)0.9m (2.8ft)0.8m (2.8ft)0.8m (2.7ft)0.8m (2.6ft)0.8m (2.6ft)
Direction 98°
E
99°
E
99°
E
102°
ESE
105°
ESE
109°
ESE
113°
ESE
116°
ESE
Period9.1 sec.9.1 sec.8.9 sec.8.8 sec.8.7 sec.8.7 sec.8.6 sec.8.5 sec.
Significant height1.2m (3.9ft)1.2m (3.9ft)0.9m (3ft)0.8m (2.6ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)
Sea water temperature
Water temperature19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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