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
Friday 5 December 202538°F to 41°Fdiscouraged
Saturday 6 December 202540°F to 47°Fdiscouraged
Sunday 7 December 202545°F to 52°Fdiscouraged
Monday 8 December 202541°F to 52°Fnot recommended
Tuesday 9 December 202536°F to 43°Fdiscouraged
Wednesday 10 December 202538°F to 45°Fdiscouraged
Thursday 11 December 202543°F to 47°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Kamaishi

Sea weather on Friday 5 December 2025

On Friday 5 December 2025, the sun will rise at 06:36 and will set at 16:09 on the beach(es) of Kamaishi. The outside temperature will be a high of 41°F t and a low of 38°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 17.4mph km/h (with gusts up to 22.4mph). Wave height will be up to 4.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature3°C (38°F)3°C (38°F)4°C (39°F)4°C (39°F)5°C (41°F)4°C (40°F)3°C (37°F)4°C (38°F)
Perceived temperature-1°C (30°F)-1°C (29°F)-0°C (31°F)-1°C (30°F)0°C (33°F)-1°C (31°F)-2°C (29°F)-1°C (31°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity71%83%66%57%50%54%64%67%
Barometric pressure1012 hPa1011 hPa1011 hPa1012 hPa1012 hPa1014 hPa1017 hPa1018 hPa
Cloud cover82%76%4%2%100%18%19%63%
Heat index3°C (38°F)3°C (38°F)4°C (39°F)4°C (39°F)5°C (41°F)4°C (40°F)3°C (37°F)4°C (38°F)
Dew point-2°C (29°F)1°C (33°F)-2°C (29°F)-4°C (25°F)-5°C (24°F)-4°C (24°F)-3°C (26°F)-2°C (28°F)
Wind
Speed20km/h (13mph)23km/h (15mph)20km/h (12mph)28km/h (17mph)24km/h (15mph)25km/h (15mph)18km/h (11mph)18km/h (11mph)
Gusts26km/h (16mph)29km/h (18mph)27km/h (17mph)34km/h (21mph)31km/h (19mph)36km/h (22mph)28km/h (18mph)24km/h (15mph)
Direction 242°
WSW
235°
SW
282°
WNW
284°
WNW
277°
W
277°
W
267°
W
252°
WSW
Wind chill-1°C (30°F)-1°C (29°F)-0°C (31°F)-1°C (30°F)0°C (33°F)-1°C (31°F)-2°C (29°F)-1°C (31°F)
Waves
Height1.1m (3.5ft)1.0m (3.2ft)1.1m (3.5ft)1.2m (3.9ft)1.3m (4.4ft)1.3m (4.3ft)1.2m (3.9ft)1.2m (3.8ft)
Direction 53°
NE
54°
NE
64°
ENE
72°
ENE
73°
ENE
72°
ENE
73°
ENE
74°
ENE
Period12.5 sec.12.5 sec.12.4 sec.11.8 sec.11.4 sec.11.3 sec.11.6 sec.13.8 sec.
Significant height1.0m (3.3ft)1.0m (3.3ft)1.1m (3.6ft)1.7m (5.6ft)1.3m (4.3ft)1.3m (4.3ft)1.1m (3.6ft)1.1m (3.6ft)
Sea water temperature
Water temperature13°C (56°F)13°C (56°F)13°C (56°F)13°C (56°F)13°C (56°F)13°C (56°F)13°C (56°F)13°C (56°F)

Sea weather on Saturday 6 December 2025

On Saturday 6 December 2025, the sun will rise at 06:37 and will set at 16:09 on the beach(es) of Kamaishi. The outside temperature will be a high of 47°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 22.4mph). Wave height will be up to 3.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature4°C (40°F)5°C (40°F)5°C (41°F)6°C (43°F)8°C (46°F)8°C (46°F)6°C (43°F)7°C (45°F)
Perceived temperature0°C (33°F)1°C (34°F)2°C (35°F)3°C (37°F)5°C (40°F)5°C (41°F)3°C (37°F)4°C (40°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity65%64%68%73%64%63%65%65%
Barometric pressure1019 hPa1020 hPa1022 hPa1023 hPa1022 hPa1022 hPa1023 hPa1021 hPa
Cloud cover69%5%12%38%12%10%7%21%
Heat index4°C (40°F)5°C (40°F)5°C (41°F)6°C (43°F)8°C (46°F)8°C (46°F)6°C (43°F)7°C (45°F)
Dew point-2°C (29°F)-2°C (29°F)-0°C (32°F)2°C (35°F)1°C (34°F)1°C (34°F)0°C (32°F)1°C (34°F)
Wind
Speed19km/h (12mph)17km/h (11mph)18km/h (11mph)22km/h (13mph)18km/h (11mph)19km/h (12mph)19km/h (12mph)15km/h (9mph)
Gusts26km/h (16mph)24km/h (15mph)25km/h (15mph)28km/h (17mph)26km/h (16mph)30km/h (18mph)36km/h (22mph)24km/h (15mph)
Direction 256°
WSW
266°
W
240°
WSW
235°
SW
249°
WSW
242°
WSW
233°
SW
239°
WSW
Wind chill0°C (33°F)1°C (34°F)2°C (35°F)3°C (37°F)5°C (40°F)5°C (41°F)3°C (37°F)4°C (40°F)
Waves
Height1.1m (3.6ft)1.0m (3.2ft)0.9m (3.1ft)0.9m (3.1ft)0.9m (3.0ft)0.9m (2.8ft)0.8m (2.8ft)0.8m (2.5ft)
Direction 69°
ENE
63°
ENE
53°
NE
53°
NE
53°
NE
53°
NE
57°
ENE
57°
ENE
Period13.4 sec.14.0 sec.14.8 sec.16.1 sec.15.0 sec.14.1 sec.15.6 sec.4.3 sec.
Significant height1.1m (3.6ft)0.9m (3ft)0.9m (3ft)0.9m (3ft)0.9m (3ft)0.9m (3ft)0.8m (2.6ft)0.7m (2.3ft)
Sea water temperature
Water temperature13°C (56°F)13°C (56°F)13°C (56°F)13°C (56°F)13°C (56°F)13°C (56°F)13°C (56°F)13°C (56°F)

Sea weather on Sunday 7 December 2025

On Sunday 7 December 2025, the sun will rise at 06:38 and will set at 16:09 on the beach(es) of Kamaishi. 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 16.2mph km/h (with gusts up to 23.6mph). Wave height will be up to 3.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature7°C (45°F)7°C (45°F)8°C (46°F)9°C (48°F)10°C (50°F)10°C (50°F)10°C (49°F)10°C (51°F)
Perceived temperature5°C (40°F)5°C (40°F)5°C (42°F)7°C (44°F)8°C (46°F)8°C (46°F)7°C (45°F)7°C (45°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity65%60%52%62%64%69%73%74%
Barometric pressure1019 hPa1018 hPa1018 hPa1018 hPa1016 hPa1016 hPa1016 hPa1016 hPa
Cloud cover92%6%8%8%6%14%36%89%
Heat index7°C (45°F)7°C (45°F)8°C (46°F)9°C (48°F)10°C (50°F)10°C (50°F)10°C (49°F)10°C (51°F)
Dew point1°C (34°F)0°C (32°F)-2°C (29°F)2°C (36°F)4°C (38°F)4°C (40°F)5°C (41°F)6°C (43°F)
Wind
Speed15km/h (10mph)16km/h (10mph)13km/h (8mph)15km/h (9mph)15km/h (9mph)14km/h (9mph)18km/h (11mph)26km/h (16mph)
Gusts24km/h (15mph)25km/h (16mph)21km/h (13mph)21km/h (13mph)24km/h (15mph)23km/h (14mph)29km/h (18mph)38km/h (24mph)
Direction 234°
SW
239°
WSW
257°
WSW
276°
W
223°
SW
237°
WSW
233°
SW
218°
SW
Wind chill5°C (40°F)5°C (40°F)5°C (42°F)7°C (44°F)8°C (46°F)8°C (46°F)7°C (45°F)7°C (45°F)
Waves
Height0.8m (2.5ft)0.9m (2.8ft)0.8m (2.8ft)0.8m (2.8ft)0.9m (3.1ft)1.1m (3.6ft)1.1m (3.8ft)1.1m (3.5ft)
Direction 57°
ENE
53°
NE
53°
NE
53°
NE
157°
SSE
158°
SSE
164°
SSE
167°
SSE
Period15.6 sec.5.5 sec.5.5 sec.5.8 sec.6.9 sec.7.0 sec.13.5 sec.6.0 sec.
Significant height0.9m (3ft)0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)1.4m (4.6ft)1.6m (5.2ft)0.9m (3ft)1.1m (3.6ft)
Sea water temperature
Water temperature13°C (56°F)13°C (56°F)13°C (56°F)13°C (56°F)13°C (56°F)13°C (56°F)13°C (56°F)13°C (56°F)

Sea weather on Monday 8 December 2025

On Monday 8 December 2025, the sun will rise at 06:39 and will set at 16:09 on the beach(es) of Kamaishi. The outside temperature will be a high of 52°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! Be careful, the sea will be generally rough with a wind speed of up to 26.1mph km/h (with gusts up to 37.3mph). Wave height will be up to 4.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature10°C (49°F)10°C (50°F)10°C (51°F)11°C (52°F)11°C (51°F)10°C (50°F)5°C (41°F)7°C (44°F)
Perceived temperature7°C (44°F)7°C (45°F)7°C (45°F)8°C (46°F)7°C (44°F)6°C (43°F)0°C (32°F)2°C (35°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity77%77%76%73%77%70%61%60%
Barometric pressure1015 hPa1015 hPa1014 hPa1013 hPa1010 hPa1012 hPa1014 hPa1015 hPa
Cloud cover58%87%76%54%79%82%3%4%
Heat index10°C (49°F)10°C (50°F)10°C (51°F)11°C (52°F)11°C (51°F)10°C (50°F)5°C (41°F)7°C (44°F)
Dew point6°C (42°F)6°C (43°F)6°C (43°F)6°C (43°F)7°C (44°F)5°C (41°F)-2°C (29°F)-1°C (31°F)
Wind
Speed25km/h (16mph)21km/h (13mph)25km/h (16mph)32km/h (20mph)42km/h (26mph)34km/h (21mph)31km/h (19mph)34km/h (21mph)
Gusts36km/h (23mph)31km/h (19mph)37km/h (23mph)45km/h (28mph)60km/h (37mph)49km/h (30mph)35km/h (22mph)45km/h (28mph)
Direction 227°
SW
234°
SW
228°
SW
221°
SW
218°
SW
249°
WSW
281°
WNW
275°
W
Wind chill7°C (44°F)7°C (45°F)7°C (45°F)8°C (46°F)7°C (44°F)6°C (43°F)0°C (32°F)2°C (35°F)
Waves
Height0.9m (3.1ft)0.8m (2.7ft)0.8m (2.6ft)0.8m (2.8ft)1.4m (4.6ft)1.4m (4.7ft)1.1m (3.5ft)0.8m (2.8ft)
Direction 170°
S
172°
S
175°
S
178°
S
190°
S
185°
S
185°
S
136°
SE
Period5.7 sec.5.7 sec.5.7 sec.12.5 sec.8.5 sec.5.8 sec.5.6 sec.5.2 sec.
Significant height1.0m (3.3ft)0.8m (2.6ft)0.8m (2.6ft)0.9m (3ft)1.5m (4.9ft)1.4m (4.6ft)1.1m (3.6ft)0.7m (2.3ft)
Sea water temperature
Water temperature13°C (56°F)13°C (56°F)13°C (56°F)13°C (56°F)13°C (56°F)13°C (56°F)13°C (56°F)13°C (56°F)

Sea weather on Tuesday 9 December 2025

On Tuesday 9 December 2025, the sun will rise at 06:40 and will set at 16:09 on the beach(es) of Kamaishi. 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 21.1mph km/h (with gusts up to 26.7mph). Wave height will be up to 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature6°C (42°F)5°C (41°F)5°C (40°F)5°C (40°F)5°C (40°F)4°C (39°F)2°C (36°F)3°C (37°F)
Perceived temperature1°C (33°F)-1°C (31°F)-0°C (31°F)-0°C (31°F)-1°C (31°F)-1°C (30°F)-2°C (29°F)-1°C (30°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity60%63%60%56%56%55%52%54%
Barometric pressure1016 hPa1017 hPa1018 hPa1020 hPa1019 hPa1021 hPa1023 hPa1024 hPa
Cloud cover0%0%0%53%63%51%16%4%
Heat index6°C (42°F)5°C (41°F)5°C (40°F)5°C (40°F)5°C (40°F)4°C (39°F)2°C (36°F)3°C (37°F)
Dew point-1°C (30°F)-2°C (29°F)-3°C (27°F)-3°C (26°F)-4°C (26°F)-4°C (24°F)-7°C (20°F)-5°C (22°F)
Wind
Speed34km/h (21mph)33km/h (21mph)27km/h (17mph)27km/h (17mph)31km/h (19mph)26km/h (16mph)15km/h (10mph)17km/h (11mph)
Gusts43km/h (27mph)43km/h (26mph)34km/h (21mph)33km/h (21mph)39km/h (24mph)35km/h (22mph)25km/h (15mph)23km/h (14mph)
Direction 282°
WNW
281°
WNW
280°
W
286°
WNW
292°
WNW
303°
WNW
310°
NW
298°
WNW
Wind chill1°C (33°F)-1°C (31°F)-0°C (31°F)-0°C (31°F)-1°C (31°F)-1°C (30°F)-2°C (29°F)-1°C (30°F)
Waves
Height0.8m (2.5ft)0.7m (2.3ft)0.6m (2.1ft)0.6m (2.0ft)0.6m (1.9ft)0.6m (2.0ft)0.6m (2.0ft)0.7m (2.2ft)
Direction 134°
SE
132°
SE
130°
SE
130°
SE
128°
SE
125°
SE
119°
ESE
122°
ESE
Period7.5 sec.7.5 sec.7.6 sec.7.5 sec.8.9 sec.9.0 sec.9.4 sec.9.6 sec.
Significant height0.9m (3ft)0.8m (2.6ft)0.7m (2.3ft)0.6m (2ft)0.6m (2ft)0.8m (2.6ft)0.7m (2.3ft)0.9m (3ft)
Sea water temperature
Water temperature13°C (56°F)13°C (56°F)13°C (56°F)13°C (56°F)13°C (56°F)13°C (56°F)13°C (56°F)13°C (56°F)

Sea weather on Wednesday 10 December 2025

On Wednesday 10 December 2025, the sun will rise at 06:41 and will set at 16:09 on the beach(es) of Kamaishi. The outside temperature will be a high of 45°F t and a low of 38°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 14.3mph km/h (with gusts up to 21.8mph). Wave height will be up to 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature3°C (38°F)4°C (38°F)4°C (39°F)5°C (40°F)6°C (43°F)7°C (44°F)5°C (42°F)7°C (44°F)
Perceived temperature-1°C (31°F)-0°C (31°F)0°C (32°F)2°C (35°F)4°C (39°F)3°C (37°F)1°C (34°F)3°C (37°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity61%61%56%50%46%61%76%70%
Barometric pressure1024 hPa1024 hPa1026 hPa1027 hPa1024 hPa1025 hPa1024 hPa1023 hPa
Cloud cover6%8%15%5%45%100%46%64%
Heat index3°C (38°F)4°C (38°F)4°C (39°F)5°C (40°F)6°C (43°F)7°C (44°F)5°C (42°F)7°C (44°F)
Dew point-4°C (26°F)-3°C (26°F)-4°C (24°F)-5°C (23°F)-4°C (24°F)-1°C (31°F)2°C (35°F)2°C (35°F)
Wind
Speed16km/h (10mph)18km/h (11mph)14km/h (9mph)11km/h (7mph)11km/h (7mph)20km/h (12mph)23km/h (15mph)23km/h (14mph)
Gusts22km/h (13mph)24km/h (15mph)20km/h (12mph)15km/h (9mph)16km/h (10mph)27km/h (17mph)35km/h (22mph)33km/h (20mph)
Direction 271°
W
278°
W
290°
WNW
296°
WNW
274°
W
218°
SW
223°
SW
249°
WSW
Wind chill-1°C (31°F)-0°C (31°F)0°C (32°F)2°C (35°F)4°C (39°F)3°C (37°F)1°C (34°F)3°C (37°F)
Waves
Height0.7m (2.2ft)0.6m (2.1ft)0.7m (2.3ft)0.7m (2.2ft)0.7m (2.5ft)0.8m (2.5ft)0.7m (2.4ft)0.7m (2.2ft)
Direction 122°
ESE
124°
SE
68°
ENE
84°
E
81°
E
78°
ENE
78°
ENE
82°
E
Period9.6 sec.9.3 sec.9.2 sec.9.4 sec.10.0 sec.10.0 sec.10.0 sec.10.6 sec.
Significant height0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)0.9m (3ft)0.7m (2.3ft)0.8m (2.6ft)0.7m (2.3ft)
Sea water temperature
Water temperature13°C (56°F)13°C (56°F)13°C (56°F)13°C (56°F)13°C (56°F)13°C (56°F)13°C (56°F)13°C (56°F)

Sea weather on Thursday 11 December 2025

On Thursday 11 December 2025, the sun will rise at 06:42 and will set at 16:09 on the beach(es) of Kamaishi. The outside temperature will be a high of 47°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 18mph km/h (with gusts up to 25.5mph). Wave height will be up to 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature7°C (45°F)8°C (46°F)6°C (44°F)7°C (44°F)8°C (46°F)8°C (47°F)7°C (44°F)7°C (44°F)
Perceived temperature3°C (37°F)4°C (40°F)3°C (38°F)4°C (40°F)6°C (43°F)7°C (44°F)3°C (38°F)4°C (38°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity68%76%86%78%62%51%64%65%
Barometric pressure1020 hPa1020 hPa1020 hPa1021 hPa1020 hPa1020 hPa1021 hPa1020 hPa
Cloud cover4%87%100%87%36%29%45%44%
Heat index7°C (45°F)8°C (46°F)6°C (44°F)7°C (44°F)8°C (46°F)8°C (47°F)7°C (44°F)7°C (44°F)
Dew point2°C (35°F)4°C (38°F)4°C (40°F)3°C (38°F)1°C (34°F)-1°C (30°F)0°C (33°F)1°C (33°F)
Wind
Speed29km/h (18mph)19km/h (12mph)15km/h (10mph)13km/h (8mph)10km/h (6mph)10km/h (6mph)19km/h (12mph)17km/h (11mph)
Gusts41km/h (25mph)26km/h (16mph)21km/h (13mph)18km/h (11mph)14km/h (9mph)15km/h (9mph)30km/h (18mph)24km/h (15mph)
Direction 225°
SW
234°
SW
260°
W
295°
WNW
254°
WSW
264°
W
271°
W
287°
WNW
Wind chill3°C (37°F)4°C (40°F)3°C (38°F)4°C (40°F)6°C (43°F)7°C (44°F)3°C (38°F)4°C (38°F)
Waves
Height0.7m (2.2ft)0.6m (2.0ft)0.6m (2.0ft)0.7m (2.2ft)0.7m (2.5ft)0.8m (2.7ft)0.8m (2.8ft)0.8m (2.7ft)
Direction 90°
E
92°
E
92°
E
94°
E
101°
E
118°
ESE
117°
ESE
116°
ESE
Period10.7 sec.10.6 sec.10.5 sec.10.1 sec.5.1 sec.5.3 sec.5.5 sec.5.6 sec.
Significant height0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.9m (3ft)0.8m (2.6ft)0.6m (2ft)
Sea water temperature
Water temperature13°C (56°F)13°C (56°F)13°C (56°F)13°C (56°F)13°C (56°F)13°C (56°F)13°C (56°F)13°C (56°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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