Sea weather in Ishinomaki in Japan All the beach weather in Ishinomaki

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

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

Date Outside temp. Our opinion
Monday 15 December 202538°F to 49°Fnot recommended
Tuesday 16 December 202540°F to 47°Fdiscouraged
Wednesday 17 December 202540°F to 45°Fdiscouraged
Thursday 18 December 202536°F to 43°Fdiscouraged
Friday 19 December 202538°F to 45°Fdiscouraged
Saturday 20 December 202543°F to 50°Frecommended
Sunday 21 December 202549°F to 59°Fnot recommended

Sea Weather: Your daily and hourly sea weather in Ishinomaki

Sea weather on Monday 15 December 2025

On Monday 15 December 2025, the sun will rise at 06:44 and will set at 16:15 on the beach(es) of Ishinomaki. The outside temperature will be a high of 49°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! Be careful, the sea will be generally rough with a wind speed of up to 39.2mph km/h (with gusts up to 39.8mph). Wave height will be up to 8.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature9°C (47°F)7°C (45°F)6°C (43°F)7°C (44°F)6°C (43°F)5°C (42°F)4°C (39°F)4°C (39°F)
Perceived temperature4°C (39°F)1°C (34°F)-0°C (32°F)1°C (33°F)-0°C (32°F)-0°C (31°F)-2°C (29°F)-1°C (30°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity71%80%79%76%71%71%75%72%
Barometric pressure995 hPa996 hPa1003 hPa1008 hPa1010 hPa1013 hPa1017 hPa1018 hPa
Cloud cover100%85%78%50%76%80%78%84%
Heat index9°C (47°F)7°C (45°F)6°C (43°F)7°C (44°F)6°C (43°F)5°C (42°F)4°C (39°F)4°C (39°F)
Dew point4°C (38°F)4°C (39°F)3°C (37°F)3°C (37°F)1°C (34°F)1°C (33°F)-0°C (31°F)-1°C (31°F)
Wind
Speed41km/h (26mph)63km/h (39mph)54km/h (34mph)49km/h (31mph)50km/h (31mph)42km/h (26mph)32km/h (20mph)25km/h (15mph)
Gusts59km/h (37mph)64km/h (40mph)58km/h (36mph)63km/h (39mph)51km/h (32mph)49km/h (31mph)35km/h (22mph)37km/h (23mph)
Direction 248°
WSW
281°
W
293°
WNW
296°
WNW
296°
WNW
297°
WNW
299°
WNW
302°
WNW
Wind chill4°C (39°F)1°C (34°F)-0°C (32°F)1°C (33°F)-0°C (32°F)-0°C (31°F)-2°C (29°F)-1°C (30°F)
Waves
Height2.4m (7.9ft)2.7m (8.8ft)2.2m (7.3ft)1.9m (6.2ft)1.8m (5.8ft)1.5m (5.1ft)1.3m (4.1ft)1.0m (3.3ft)
Direction 156°
SSE
158°
SSE
159°
SSE
160°
SSE
281°
WNW
291°
WNW
297°
WNW
299°
WNW
Period11.0 sec.11.1 sec.10.8 sec.10.4 sec.10.2 sec.9.9 sec.9.7 sec.9.6 sec.
Significant height2.1m (6.9ft)2.9m (9.5ft)2.3m (7.5ft)2.1m (6.9ft)2.4m (7.9ft)2.0m (6.6ft)1.7m (5.6ft)1.3m (4.3ft)
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 16 December 2025

On Tuesday 16 December 2025, the sun will rise at 06:45 and will set at 16:15 on the beach(es) of Ishinomaki. 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 16.8mph 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 temperature4°C (39°F)4°C (39°F)4°C (39°F)6°C (42°F)7°C (45°F)8°C (47°F)7°C (45°F)6°C (43°F)
Perceived temperature-0°C (32°F)0°C (32°F)1°C (33°F)3°C (37°F)4°C (39°F)5°C (40°F)4°C (38°F)3°C (37°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity71%77%76%71%63%61%74%86%
Barometric pressure1020 hPa1020 hPa1021 hPa1021 hPa1018 hPa1016 hPa1017 hPa1018 hPa
Cloud cover64%67%26%93%100%68%78%100%
Heat index4°C (39°F)4°C (39°F)4°C (39°F)6°C (42°F)7°C (45°F)8°C (47°F)7°C (45°F)6°C (43°F)
Dew point-1°C (31°F)0°C (32°F)0°C (33°F)1°C (33°F)1°C (34°F)1°C (34°F)3°C (37°F)4°C (39°F)
Wind
Speed19km/h (12mph)16km/h (10mph)15km/h (9mph)14km/h (9mph)22km/h (14mph)27km/h (17mph)24km/h (15mph)18km/h (11mph)
Gusts29km/h (18mph)24km/h (15mph)23km/h (14mph)19km/h (12mph)30km/h (19mph)41km/h (26mph)37km/h (23mph)26km/h (16mph)
Direction 295°
WNW
291°
WNW
282°
WNW
257°
WSW
226°
SW
227°
SW
262°
W
290°
WNW
Wind chill-0°C (32°F)0°C (32°F)1°C (33°F)3°C (37°F)4°C (39°F)5°C (40°F)4°C (38°F)3°C (37°F)
Waves
Height0.7m (2.2ft)0.5m (1.5ft)0.5m (1.6ft)0.5m (1.5ft)0.7m (2.3ft)0.8m (2.6ft)0.8m (2.6ft)0.7m (2.4ft)
Direction 158°
SSE
156°
SSE
154°
SSE
152°
SSE
222°
SW
211°
SSW
201°
SSW
192°
SSW
Period9.3 sec.9.2 sec.9.1 sec.9.0 sec.8.8 sec.8.6 sec.8.4 sec.4.6 sec.
Significant height1.0m (3.3ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)1.1m (3.6ft)1.1m (3.6ft)0.8m (2.6ft)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 Wednesday 17 December 2025

On Wednesday 17 December 2025, the sun will rise at 06:46 and will set at 16:15 on the beach(es) of Ishinomaki. The outside temperature will be a high of 45°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 18.6mph km/h (with gusts up to 26.7mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature5°C (42°F)5°C (41°F)4°C (39°F)5°C (41°F)6°C (44°F)6°C (43°F)4°C (40°F)4°C (39°F)
Perceived temperature2°C (36°F)1°C (34°F)-1°C (30°F)1°C (33°F)2°C (36°F)2°C (35°F)-1°C (31°F)-1°C (30°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity83%78%71%67%59%64%70%73%
Barometric pressure1018 hPa1019 hPa1020 hPa1021 hPa1019 hPa1019 hPa1021 hPa1022 hPa
Cloud cover50%22%22%23%46%25%46%23%
Heat index5°C (42°F)5°C (41°F)4°C (39°F)5°C (41°F)6°C (44°F)6°C (43°F)4°C (40°F)4°C (39°F)
Dew point3°C (37°F)1°C (34°F)-1°C (31°F)-0°C (31°F)-1°C (30°F)-0°C (31°F)-1°C (31°F)-0°C (31°F)
Wind
Speed17km/h (11mph)21km/h (13mph)30km/h (19mph)27km/h (17mph)28km/h (17mph)25km/h (16mph)28km/h (17mph)25km/h (15mph)
Gusts23km/h (15mph)29km/h (18mph)43km/h (27mph)34km/h (21mph)37km/h (23mph)37km/h (23mph)42km/h (26mph)37km/h (23mph)
Direction 301°
WNW
293°
WNW
304°
WNW
301°
WNW
301°
WNW
304°
NW
302°
WNW
302°
WNW
Wind chill2°C (36°F)1°C (34°F)-1°C (30°F)1°C (33°F)2°C (36°F)2°C (35°F)-1°C (31°F)-1°C (30°F)
Waves
Height0.7m (2.2ft)0.6m (2.1ft)0.7m (2.2ft)0.5m (1.6ft)0.4m (1.4ft)0.5m (1.7ft)0.6m (2.0ft)0.5m (1.7ft)
Direction 184°
S
183°
S
309°
NW
312°
NW
309°
NW
317°
NW
329°
NNW
327°
NNW
Period4.8 sec.4.9 sec.4.7 sec.7.8 sec.7.6 sec.7.5 sec.7.4 sec.7.0 sec.
Significant height1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)0.7m (2.3ft)0.7m (2.3ft)1.0m (3.3ft)1.0m (3.3ft)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 18 December 2025

On Thursday 18 December 2025, the sun will rise at 06:46 and will set at 16:16 on the beach(es) of Ishinomaki. 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 19.3mph km/h (with gusts up to 26.1mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature4°C (39°F)4°C (38°F)3°C (38°F)4°C (39°F)5°C (42°F)6°C (42°F)4°C (38°F)4°C (39°F)
Perceived temperature-1°C (30°F)-2°C (28°F)-2°C (29°F)-0°C (31°F)1°C (34°F)2°C (35°F)0°C (32°F)2°C (36°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity76%75%72%68%56%57%65%66%
Barometric pressure1022 hPa1023 hPa1025 hPa1027 hPa1026 hPa1026 hPa1028 hPa1028 hPa
Cloud cover4%4%0%3%10%12%10%0%
Heat index4°C (39°F)4°C (38°F)3°C (38°F)4°C (39°F)5°C (42°F)6°C (42°F)4°C (38°F)4°C (39°F)
Dew point-0°C (32°F)-0°C (31°F)-1°C (30°F)-1°C (30°F)-3°C (27°F)-2°C (28°F)-2°C (28°F)-2°C (29°F)
Wind
Speed24km/h (15mph)31km/h (19mph)26km/h (16mph)23km/h (14mph)26km/h (16mph)21km/h (13mph)15km/h (9mph)6km/h (4mph)
Gusts35km/h (22mph)42km/h (26mph)36km/h (23mph)29km/h (18mph)36km/h (23mph)32km/h (20mph)28km/h (18mph)11km/h (7mph)
Direction 310°
NW
305°
NW
305°
NW
314°
NW
309°
NW
307°
NW
314°
NW
300°
WNW
Wind chill-1°C (30°F)-2°C (28°F)-2°C (29°F)-0°C (31°F)1°C (34°F)2°C (35°F)0°C (32°F)2°C (36°F)
Waves
Height0.4m (1.2ft)0.5m (1.8ft)0.6m (1.9ft)0.7m (2.3ft)0.7m (2.3ft)0.6m (2.0ft)0.4m (1.5ft)0.2m (0.8ft)
Direction 170°
S
324°
NW
306°
NW
313°
NW
309°
NW
313°
NW
314°
NW
132°
SE
Period6.9 sec.6.7 sec.6.4 sec.6.0 sec.6.2 sec.6.2 sec.6.0 sec.5.9 sec.
Significant height0.6m (2ft)1.1m (3.6ft)1.0m (3.3ft)1.3m (4.3ft)1.1m (3.6ft)0.9m (3ft)0.6m (2ft)0.2m (0.7ft)
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 Friday 19 December 2025

On Friday 19 December 2025, the sun will rise at 06:47 and will set at 16:16 on the beach(es) of Ishinomaki. 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 6.2mph km/h (with gusts up to 11.8mph). Wave height will be up to 0.7ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature4°C (40°F)4°C (39°F)4°C (39°F)5°C (42°F)6°C (42°F)6°C (42°F)4°C (39°F)7°C (44°F)
Perceived temperature3°C (37°F)2°C (35°F)2°C (35°F)3°C (37°F)3°C (38°F)4°C (39°F)2°C (35°F)5°C (41°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity68%71%70%61%54%56%57%64%
Barometric pressure1027 hPa1027 hPa1027 hPa1028 hPa1026 hPa1026 hPa1027 hPa1027 hPa
Cloud cover0%7%5%10%0%0%0%0%
Heat index4°C (40°F)4°C (39°F)4°C (39°F)5°C (42°F)6°C (42°F)6°C (42°F)4°C (39°F)7°C (44°F)
Dew point-1°C (30°F)-1°C (31°F)-1°C (30°F)-2°C (29°F)-3°C (27°F)-2°C (28°F)-4°C (25°F)1°C (33°F)
Wind
Speed7km/h (4mph)8km/h (5mph)8km/h (5mph)10km/h (6mph)10km/h (6mph)6km/h (4mph)8km/h (5mph)9km/h (6mph)
Gusts11km/h (7mph)13km/h (8mph)12km/h (8mph)15km/h (9mph)19km/h (12mph)14km/h (8mph)16km/h (10mph)17km/h (11mph)
Direction 269°
W
295°
WNW
277°
W
258°
WSW
245°
WSW
268°
W
293°
WNW
296°
WNW
Wind chill3°C (37°F)2°C (35°F)2°C (35°F)3°C (37°F)3°C (38°F)4°C (39°F)2°C (35°F)5°C (41°F)
Waves
Height0.2m (0.5ft)0.2m (0.5ft)0.2m (0.6ft)0.2m (0.6ft)0.2m (0.5ft)0.1m (0.5ft)0.1m (0.5ft)0.2m (0.8ft)
Direction 133°
SE
134°
SE
134°
SE
133°
SE
132°
SE
117°
ESE
118°
ESE
182°
S
Period10.1 sec.10.0 sec.10.0 sec.9.9 sec.9.8 sec.9.5 sec.9.4 sec.3.7 sec.
Significant height0.3m (1ft)0.3m (1ft)0.3m (1ft)0.3m (1ft)0.2m (0.7ft)0.1m (0.3ft)0.1m (0.3ft)0.3m (1ft)
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 20 December 2025

On Saturday 20 December 2025, the sun will rise at 06:47 and will set at 16:17 on the beach(es) of Ishinomaki. 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 6.8mph km/h (with gusts up to 13.1mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature6°C (44°F)6°C (43°F)6°C (42°F)7°C (45°F)10°C (49°F)10°C (50°F)9°C (48°F)10°C (50°F)
Perceived temperature5°C (41°F)4°C (39°F)3°C (38°F)5°C (42°F)8°C (47°F)9°C (49°F)8°C (46°F)9°C (48°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity67%68%67%60%51%55%58%64%
Barometric pressure1026 hPa1026 hPa1026 hPa1026 hPa1024 hPa1024 hPa1025 hPa1024 hPa
Cloud cover0%0%0%0%21%28%13%14%
Heat index6°C (44°F)6°C (43°F)6°C (42°F)7°C (45°F)10°C (49°F)10°C (50°F)9°C (48°F)10°C (50°F)
Dew point1°C (33°F)0°C (33°F)-0°C (32°F)0°C (32°F)-0°C (32°F)2°C (35°F)1°C (34°F)3°C (38°F)
Wind
Speed8km/h (5mph)9km/h (6mph)11km/h (7mph)11km/h (7mph)9km/h (6mph)8km/h (5mph)8km/h (5mph)7km/h (4mph)
Gusts14km/h (9mph)18km/h (11mph)21km/h (13mph)17km/h (10mph)14km/h (9mph)14km/h (9mph)17km/h (11mph)14km/h (9mph)
Direction 281°
W
284°
WNW
279°
W
258°
WSW
261°
W
254°
WSW
225°
SW
257°
WSW
Wind chill5°C (41°F)4°C (39°F)3°C (38°F)5°C (42°F)8°C (47°F)9°C (49°F)8°C (46°F)9°C (48°F)
Waves
Height0.4m (1.5ft)0.5m (1.6ft)0.5m (1.8ft)0.6m (1.9ft)0.5m (1.8ft)0.5m (1.8ft)0.6m (1.9ft)0.6m (2.0ft)
Direction 182°
S
174°
S
169°
S
170°
S
167°
SSE
164°
SSE
164°
SSE
166°
SSE
Period4.2 sec.4.5 sec.4.8 sec.5.0 sec.5.2 sec.5.5 sec.5.7 sec.5.9 sec.
Significant height0.5m (1.6ft)0.6m (2ft)0.8m (2.6ft)0.9m (3ft)0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)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 Sunday 21 December 2025

On Sunday 21 December 2025, the sun will rise at 06:48 and will set at 16:17 on the beach(es) of Ishinomaki. The outside temperature will be a high of 59°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. Be careful, the sea will be generally rough with a wind speed of up to 33.6mph km/h (with gusts up to 34.8mph). Wave height will be up to 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)10°C (51°F)11°C (52°F)13°C (56°F)14°C (58°F)15°C (59°F)
Perceived temperature9°C (48°F)8°C (47°F)9°C (49°F)10°C (51°F)10°C (50°F)11°C (52°F)12°C (53°F)12°C (54°F)
Precipitation0in0in0in0in0in0in0in0.1in
Humidity68%68%67%71%87%88%90%91%
Barometric pressure1023 hPa1022 hPa1021 hPa1020 hPa1017 hPa1014 hPa1011 hPa1007 hPa
Cloud cover14%7%48%98%100%76%100%100%
Heat index10°C (49°F)9°C (49°F)9°C (49°F)10°C (51°F)11°C (52°F)13°C (56°F)14°C (58°F)15°C (59°F)
Dew point4°C (39°F)4°C (39°F)4°C (38°F)5°C (42°F)9°C (48°F)11°C (53°F)13°C (55°F)14°C (56°F)
Wind
Speed5km/h (3mph)8km/h (5mph)4km/h (2mph)3km/h (2mph)9km/h (6mph)24km/h (15mph)38km/h (24mph)54km/h (34mph)
Gusts11km/h (7mph)15km/h (9mph)7km/h (5mph)4km/h (3mph)17km/h (11mph)31km/h (19mph)41km/h (25mph)56km/h (35mph)
Direction 268°
W
268°
W
279°
W
264°
W
228°
SW
182°
S
174°
S
174°
S
Wind chill9°C (48°F)8°C (47°F)9°C (49°F)10°C (51°F)10°C (50°F)11°C (52°F)12°C (53°F)12°C (54°F)
Waves
Height0.6m (1.9ft)0.6m (1.9ft)0.5m (1.8ft)0.5m (1.7ft)0.6m (1.9ft)0.7m (2.4ft)0.8m (2.7ft)0.9m (2.8ft)
Direction 168°
SSE
168°
SSE
168°
SSE
167°
SSE
164°
SSE
164°
SSE
164°
SSE
162°
SSE
Period5.9 sec.5.8 sec.5.7 sec.5.7 sec.6.0 sec.6.5 sec.6.7 sec.6.8 sec.
Significant height0.9m (3ft)0.8m (2.6ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)1.1m (3.6ft)1.2m (3.9ft)1.2m (3.9ft)
Sea water temperature
Water temperature11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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