Sea weather in Sendai (Honshu) in Japan All the beach weather in Sendai (Honshu)

All the essential weather information for enjoying the beach in Sendai (Honshu) 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 Sendai (Honshu) over the next 7 days?

Discover the best moment to go to the beach in Sendai (Honshu) in Japan this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Sendai (Honshu). 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 43°Fdiscouraged
Saturday 6 December 202540°F to 47°Fdiscouraged
Sunday 7 December 202541°F to 54°Frecommended
Monday 8 December 202545°F to 56°Fdiscouraged
Tuesday 9 December 202540°F to 45°Fdiscouraged
Wednesday 10 December 202540°F to 45°Fdiscouraged
Thursday 11 December 202543°F to 47°Frecommended

Sea Weather: Your daily and hourly sea weather in Sendai (Honshu)

Sea weather on Friday 5 December 2025

On Friday 5 December 2025, the sun will rise at 06:37 and will set at 16:16 on the beach(es) of Sendai (Honshu). The outside temperature will be a high of 43°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 14.9mph km/h (with gusts up to 19.9mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature4°C (39°F)3°C (37°F)4°C (38°F)4°C (39°F)6°C (42°F)6°C (42°F)4°C (40°F)5°C (41°F)
Perceived temperature-0°C (31°F)-1°C (30°F)-1°C (30°F)1°C (33°F)3°C (37°F)2°C (36°F)1°C (34°F)2°C (35°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity67%79%77%70%55%58%60%60%
Barometric pressure1013 hPa1012 hPa1014 hPa1015 hPa1014 hPa1016 hPa1018 hPa1019 hPa
Cloud cover40%73%82%75%54%71%20%26%
Heat index4°C (39°F)3°C (37°F)4°C (38°F)4°C (39°F)6°C (42°F)6°C (42°F)4°C (40°F)5°C (41°F)
Dew point-2°C (29°F)-0°C (31°F)-0°C (32°F)-1°C (30°F)-3°C (27°F)-2°C (28°F)-3°C (27°F)-2°C (28°F)
Wind
Speed19km/h (12mph)19km/h (12mph)24km/h (15mph)14km/h (9mph)14km/h (9mph)18km/h (11mph)13km/h (8mph)15km/h (10mph)
Gusts25km/h (16mph)25km/h (15mph)32km/h (20mph)17km/h (11mph)18km/h (11mph)24km/h (15mph)21km/h (13mph)22km/h (13mph)
Direction 214°
SSW
254°
WSW
301°
WNW
283°
WNW
287°
WNW
291°
WNW
297°
WNW
285°
WNW
Wind chill-0°C (31°F)-1°C (30°F)-1°C (30°F)1°C (33°F)3°C (37°F)2°C (36°F)1°C (34°F)2°C (35°F)
Waves
Height0.4m (1.5ft)0.4m (1.4ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.7ft)0.5m (1.7ft)0.5m (1.6ft)
Direction 84°
E
86°
E
92°
E
100°
E
103°
ESE
103°
ESE
103°
ESE
101°
ESE
Period12.5 sec.12.3 sec.12.2 sec.4.6 sec.12.0 sec.11.7 sec.11.2 sec.10.6 sec.
Significant height0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.5m (1.6ft)0.7m (2.3ft)0.8m (2.6ft)0.7m (2.3ft)0.7m (2.3ft)
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 6 December 2025

On Saturday 6 December 2025, the sun will rise at 06:38 and will set at 16:16 on the beach(es) of Sendai (Honshu). 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 14.3mph km/h (with gusts up to 19.9mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature5°C (42°F)5°C (41°F)4°C (40°F)5°C (42°F)8°C (46°F)8°C (47°F)7°C (45°F)7°C (44°F)
Perceived temperature1°C (34°F)2°C (36°F)1°C (34°F)3°C (37°F)5°C (42°F)6°C (43°F)6°C (42°F)5°C (41°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity62%63%69%63%48%44%54%64%
Barometric pressure1020 hPa1022 hPa1023 hPa1024 hPa1023 hPa1023 hPa1023 hPa1022 hPa
Cloud cover18%4%3%0%5%4%8%98%
Heat index5°C (42°F)5°C (41°F)4°C (40°F)5°C (42°F)8°C (46°F)8°C (47°F)7°C (45°F)7°C (44°F)
Dew point-1°C (30°F)-1°C (29°F)-1°C (31°F)-1°C (30°F)-3°C (27°F)-3°C (26°F)-1°C (30°F)0°C (33°F)
Wind
Speed23km/h (14mph)14km/h (9mph)14km/h (9mph)13km/h (8mph)11km/h (7mph)13km/h (8mph)9km/h (6mph)8km/h (5mph)
Gusts32km/h (20mph)20km/h (12mph)20km/h (13mph)18km/h (11mph)17km/h (11mph)22km/h (14mph)17km/h (10mph)13km/h (8mph)
Direction 282°
WNW
262°
W
235°
SW
233°
SW
205°
SSW
203°
SSW
245°
WSW
252°
WSW
Wind chill1°C (34°F)2°C (36°F)1°C (34°F)3°C (37°F)5°C (42°F)6°C (43°F)6°C (42°F)5°C (41°F)
Waves
Height0.5m (1.7ft)0.4m (1.5ft)0.5m (1.5ft)0.4m (1.4ft)0.4m (1.2ft)0.3m (1.1ft)0.3m (1.0ft)0.4m (1.3ft)
Direction 105°
ESE
104°
ESE
110°
ESE
109°
ESE
110°
ESE
111°
ESE
112°
ESE
121°
ESE
Period10.3 sec.9.9 sec.9.7 sec.9.6 sec.9.5 sec.9.3 sec.9.2 sec.4.5 sec.
Significant height0.7m (2.3ft)0.5m (1.6ft)0.5m (1.6ft)0.6m (2ft)0.4m (1.3ft)0.5m (1.6ft)0.4m (1.3ft)0.4m (1.3ft)
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 Sunday 7 December 2025

On Sunday 7 December 2025, the sun will rise at 06:39 and will set at 16:16 on the beach(es) of Sendai (Honshu). The outside temperature will be a high of 54°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! The sea will be generally calm, with a wind speed of up to 8.1mph 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 temperature5°C (42°F)5°C (40°F)5°C (41°F)7°C (44°F)10°C (50°F)12°C (54°F)9°C (49°F)9°C (49°F)
Perceived temperature4°C (39°F)3°C (37°F)3°C (37°F)6°C (43°F)9°C (48°F)11°C (52°F)8°C (46°F)8°C (46°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity64%56%50%46%49%51%63%64%
Barometric pressure1020 hPa1019 hPa1019 hPa1020 hPa1018 hPa1017 hPa1017 hPa1018 hPa
Cloud cover5%10%7%4%7%27%7%43%
Heat index5°C (42°F)5°C (40°F)5°C (41°F)7°C (44°F)10°C (50°F)12°C (54°F)9°C (49°F)9°C (49°F)
Dew point-1°C (30°F)-3°C (26°F)-5°C (24°F)-4°C (25°F)-0°C (32°F)2°C (36°F)3°C (37°F)3°C (37°F)
Wind
Speed8km/h (5mph)8km/h (5mph)9km/h (5mph)6km/h (4mph)11km/h (7mph)13km/h (8mph)9km/h (6mph)12km/h (8mph)
Gusts12km/h (7mph)13km/h (8mph)15km/h (9mph)9km/h (6mph)17km/h (10mph)21km/h (13mph)18km/h (11mph)20km/h (12mph)
Direction 282°
WNW
304°
NW
315°
NW
283°
WNW
244°
WSW
220°
SW
235°
SW
230°
SW
Wind chill4°C (39°F)3°C (37°F)3°C (37°F)6°C (43°F)9°C (48°F)11°C (52°F)8°C (46°F)8°C (46°F)
Waves
Height0.4m (1.4ft)0.4m (1.2ft)0.4m (1.2ft)0.5m (1.7ft)0.6m (1.8ft)0.6m (1.9ft)0.6m (1.9ft)0.5m (1.8ft)
Direction 168°
SSE
121°
ESE
121°
ESE
160°
SSE
159°
SSE
158°
SSE
158°
SSE
157°
SSE
Period4.5 sec.4.3 sec.5.3 sec.5.8 sec.6.0 sec.5.9 sec.5.7 sec.5.6 sec.
Significant height0.5m (1.6ft)0.4m (1.3ft)0.4m (1.3ft)0.5m (1.6ft)0.8m (2.6ft)0.9m (3ft)0.7m (2.3ft)0.7m (2.3ft)
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 Monday 8 December 2025

On Monday 8 December 2025, the sun will rise at 06:40 and will set at 16:16 on the beach(es) of Sendai (Honshu). The outside temperature will be a high of 56°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 14.9mph km/h (with gusts up to 22.4mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature9°C (48°F)8°C (47°F)8°C (47°F)9°C (49°F)13°C (56°F)10°C (50°F)8°C (46°F)7°C (45°F)
Perceived temperature6°C (43°F)6°C (43°F)6°C (42°F)7°C (44°F)11°C (52°F)7°C (45°F)4°C (40°F)4°C (39°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity70%72%71%68%56%66%66%68%
Barometric pressure1017 hPa1016 hPa1016 hPa1015 hPa1012 hPa1015 hPa1016 hPa1017 hPa
Cloud cover54%46%31%50%75%93%53%75%
Heat index9°C (48°F)8°C (47°F)8°C (47°F)9°C (49°F)13°C (56°F)10°C (50°F)8°C (46°F)7°C (45°F)
Dew point4°C (38°F)4°C (38°F)3°C (38°F)4°C (39°F)5°C (41°F)4°C (40°F)2°C (35°F)2°C (35°F)
Wind
Speed15km/h (9mph)15km/h (9mph)14km/h (9mph)18km/h (11mph)22km/h (14mph)24km/h (15mph)19km/h (12mph)19km/h (12mph)
Gusts24km/h (15mph)26km/h (16mph)25km/h (15mph)29km/h (18mph)32km/h (20mph)36km/h (22mph)29km/h (18mph)26km/h (16mph)
Direction 232°
SW
233°
SW
231°
SW
224°
SW
236°
SW
265°
W
291°
WNW
294°
WNW
Wind chill6°C (43°F)6°C (43°F)6°C (42°F)7°C (44°F)11°C (52°F)7°C (45°F)4°C (40°F)4°C (39°F)
Waves
Height0.5m (1.7ft)0.5m (1.6ft)0.4m (1.4ft)0.4m (1.4ft)0.6m (2.0ft)0.5m (1.7ft)0.6m (2.0ft)0.5m (1.7ft)
Direction 159°
SSE
160°
SSE
121°
ESE
120°
ESE
195°
SSW
122°
ESE
261°
W
290°
WNW
Period5.4 sec.5.2 sec.5.0 sec.8.5 sec.8.3 sec.3.6 sec.8.0 sec.7.8 sec.
Significant height0.7m (2.3ft)0.6m (2ft)0.5m (1.6ft)0.6m (2ft)1.0m (3.3ft)0.9m (3ft)1.2m (3.9ft)0.8m (2.6ft)
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 Tuesday 9 December 2025

On Tuesday 9 December 2025, the sun will rise at 06:40 and will set at 16:16 on the beach(es) of Sendai (Honshu). 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 19.3mph km/h (with gusts up to 28mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature7°C (44°F)6°C (42°F)6°C (42°F)6°C (43°F)7°C (44°F)5°C (42°F)4°C (40°F)5°C (41°F)
Perceived temperature4°C (38°F)3°C (37°F)1°C (35°F)2°C (35°F)2°C (36°F)1°C (33°F)-0°C (31°F)0°C (33°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity66%63%57%55%48%52%56%58%
Barometric pressure1018 hPa1019 hPa1021 hPa1022 hPa1021 hPa1022 hPa1024 hPa1025 hPa
Cloud cover53%86%87%19%21%6%16%9%
Heat index7°C (44°F)6°C (42°F)6°C (42°F)6°C (43°F)7°C (44°F)5°C (42°F)4°C (40°F)5°C (41°F)
Dew point1°C (33°F)-1°C (30°F)-2°C (28°F)-2°C (28°F)-4°C (26°F)-4°C (26°F)-4°C (26°F)-3°C (27°F)
Wind
Speed17km/h (11mph)14km/h (9mph)23km/h (14mph)25km/h (16mph)31km/h (19mph)30km/h (19mph)25km/h (15mph)24km/h (15mph)
Gusts24km/h (15mph)20km/h (12mph)30km/h (19mph)31km/h (19mph)41km/h (25mph)45km/h (28mph)39km/h (24mph)33km/h (20mph)
Direction 301°
WNW
296°
WNW
285°
WNW
292°
WNW
300°
WNW
303°
WNW
308°
NW
305°
NW
Wind chill4°C (38°F)3°C (37°F)1°C (35°F)2°C (35°F)2°C (36°F)1°C (33°F)-0°C (31°F)0°C (33°F)
Waves
Height0.5m (1.6ft)0.4m (1.2ft)0.3m (1.0ft)0.4m (1.3ft)0.5m (1.7ft)0.6m (2.1ft)0.5m (1.8ft)0.5m (1.5ft)
Direction 300°
WNW
124°
SE
123°
ESE
125°
SE
331°
NNW
329°
NNW
129°
SE
128°
SE
Period9.0 sec.9.1 sec.9.2 sec.9.3 sec.9.3 sec.9.2 sec.9.1 sec.9.0 sec.
Significant height0.8m (2.6ft)0.6m (2ft)0.6m (2ft)0.8m (2.6ft)1.1m (3.6ft)1.2m (3.9ft)0.9m (3ft)0.8m (2.6ft)
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 10 December 2025

On Wednesday 10 December 2025, the sun will rise at 06:41 and will set at 16:16 on the beach(es) of Sendai (Honshu). 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 16.2mph km/h (with gusts up to 21.8mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature5°C (41°F)5°C (40°F)4°C (40°F)5°C (42°F)7°C (44°F)7°C (45°F)7°C (45°F)7°C (44°F)
Perceived temperature0°C (33°F)1°C (35°F)2°C (36°F)4°C (38°F)6°C (42°F)6°C (43°F)5°C (40°F)3°C (38°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity56%59%63%61%54%52%52%61%
Barometric pressure1025 hPa1026 hPa1027 hPa1028 hPa1025 hPa1025 hPa1025 hPa1023 hPa
Cloud cover12%17%41%35%28%10%11%9%
Heat index5°C (41°F)5°C (40°F)4°C (40°F)5°C (42°F)7°C (44°F)7°C (45°F)7°C (45°F)7°C (44°F)
Dew point-3°C (26°F)-3°C (27°F)-2°C (28°F)-2°C (29°F)-2°C (29°F)-2°C (28°F)-2°C (28°F)-0°C (31°F)
Wind
Speed26km/h (16mph)14km/h (9mph)8km/h (5mph)8km/h (5mph)6km/h (4mph)6km/h (4mph)13km/h (8mph)17km/h (11mph)
Gusts35km/h (21mph)20km/h (12mph)12km/h (7mph)10km/h (6mph)8km/h (5mph)9km/h (6mph)23km/h (14mph)26km/h (16mph)
Direction 296°
WNW
299°
WNW
267°
W
257°
WSW
197°
SSW
164°
SSE
218°
SW
228°
SW
Wind chill0°C (33°F)1°C (35°F)2°C (36°F)4°C (38°F)6°C (42°F)6°C (43°F)5°C (40°F)3°C (38°F)
Waves
Height0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.3m (1.1ft)0.3m (1.1ft)0.3m (1.0ft)0.3m (1.0ft)0.3m (1.1ft)
Direction 127°
SE
127°
SE
122°
ESE
122°
ESE
120°
ESE
118°
ESE
105°
ESE
103°
ESE
Period9.1 sec.9.1 sec.8.8 sec.10.2 sec.10.0 sec.9.8 sec.9.9 sec.10.2 sec.
Significant height0.7m (2.3ft)0.7m (2.3ft)0.5m (1.6ft)0.6m (2ft)0.6m (2ft)0.3m (1ft)0.4m (1.3ft)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 Thursday 11 December 2025

On Thursday 11 December 2025, the sun will rise at 06:42 and will set at 16:16 on the beach(es) of Sendai (Honshu). 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 9.9mph km/h (with gusts up to 16.8mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature6°C (43°F)6°C (43°F)6°C (44°F)7°C (45°F)7°C (45°F)8°C (46°F)7°C (44°F)6°C (43°F)
Perceived temperature3°C (38°F)3°C (37°F)4°C (39°F)4°C (40°F)4°C (40°F)6°C (42°F)5°C (40°F)5°C (40°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity58%60%63%75%79%74%74%78%
Barometric pressure1022 hPa1021 hPa1021 hPa1022 hPa1021 hPa1021 hPa1022 hPa1021 hPa
Cloud cover24%39%98%94%85%65%52%50%
Heat index6°C (43°F)6°C (43°F)6°C (44°F)7°C (45°F)7°C (45°F)8°C (46°F)7°C (44°F)6°C (43°F)
Dew point-1°C (29°F)-1°C (30°F)-0°C (32°F)3°C (37°F)4°C (39°F)3°C (38°F)3°C (37°F)3°C (37°F)
Wind
Speed14km/h (9mph)16km/h (10mph)13km/h (8mph)14km/h (9mph)16km/h (10mph)12km/h (7mph)11km/h (7mph)9km/h (5mph)
Gusts23km/h (14mph)27km/h (17mph)21km/h (13mph)20km/h (12mph)21km/h (13mph)17km/h (10mph)17km/h (10mph)13km/h (8mph)
Direction 249°
WSW
246°
WSW
267°
W
336°
NNW
344°
NNW
319°
NW
332°
NNW
301°
WNW
Wind chill3°C (38°F)3°C (37°F)4°C (39°F)4°C (40°F)4°C (40°F)6°C (42°F)5°C (40°F)5°C (40°F)
Waves
Height0.4m (1.2ft)0.4m (1.4ft)0.4m (1.5ft)0.4m (1.4ft)0.4m (1.3ft)0.4m (1.4ft)0.4m (1.3ft)0.4m (1.2ft)
Direction 103°
ESE
108°
ESE
108°
ESE
109°
ESE
111°
ESE
113°
ESE
114°
ESE
114°
ESE
Period10.2 sec.10.4 sec.4.0 sec.10.4 sec.10.3 sec.10.4 sec.10.3 sec.10.2 sec.
Significant height0.6m (2ft)0.6m (2ft)0.4m (1.3ft)0.4m (1.3ft)0.5m (1.6ft)0.4m (1.3ft)0.4m (1.3ft)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 chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

Change units