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
Sunday 14 December 202536°F to 47°Fnot recommended
Monday 15 December 202541°F to 49°Fnot recommended
Tuesday 16 December 202540°F to 49°Fdiscouraged
Wednesday 17 December 202540°F to 47°Frecommended
Thursday 18 December 202538°F to 41°Fdiscouraged
Friday 19 December 202538°F to 45°Fdiscouraged
Saturday 20 December 202541°F to 52°Frecommended

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

Sea weather on Sunday 14 December 2025

On Sunday 14 December 2025, the sun will rise at 06:44 and will set at 16:17 on the beach(es) of Sendai (Honshu). The outside temperature will be a high of 47°F t and a low of 36°F. Precipitation is in the forecast (0.4in 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 27.3mph km/h (with gusts up to 29.2mph). Wave height will be up to 6.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature5°C (41°F)3°C (37°F)3°C (37°F)2°C (36°F)4°C (39°F)5°C (40°F)7°C (45°F)8°C (46°F)
Perceived temperature2°C (35°F)2°C (35°F)-1°C (30°F)-4°C (26°F)-2°C (28°F)1°C (34°F)2°C (36°F)3°C (37°F)
Precipitation0in0.1in0.2in0.1in0in0in0in0in
Humidity74%95%99%99%97%92%74%64%
Barometric pressure1022 hPa1019 hPa1015 hPa1008 hPa1000 hPa996 hPa997 hPa996 hPa
Cloud cover100%100%100%100%100%32%22%1%
Heat index5°C (41°F)3°C (37°F)3°C (37°F)2°C (36°F)4°C (39°F)5°C (40°F)7°C (45°F)8°C (46°F)
Dew point1°C (33°F)2°C (36°F)3°C (37°F)2°C (36°F)3°C (38°F)4°C (38°F)3°C (37°F)1°C (34°F)
Wind
Speed14km/h (9mph)5km/h (3mph)18km/h (11mph)33km/h (20mph)37km/h (23mph)15km/h (10mph)37km/h (23mph)44km/h (28mph)
Gusts18km/h (11mph)7km/h (4mph)25km/h (15mph)46km/h (29mph)44km/h (27mph)33km/h (20mph)41km/h (25mph)47km/h (29mph)
Direction 170°
S
287°
WNW
10°
N
329°
NNW
333°
NNW
307°
NW
287°
WNW
255°
WSW
Wind chill2°C (35°F)2°C (35°F)-1°C (30°F)-4°C (26°F)-2°C (28°F)1°C (34°F)2°C (36°F)3°C (37°F)
Waves
Height0.5m (1.6ft)0.6m (1.9ft)0.6m (2.0ft)1.1m (3.7ft)1.5m (5.0ft)1.4m (4.7ft)1.5m (5.0ft)2.1m (7.0ft)
Direction 103°
ESE
103°
ESE
102°
ESE
106°
ESE
127°
SE
128°
SE
132°
SE
134°
SE
Period12.0 sec.3.7 sec.3.8 sec.5.2 sec.7.2 sec.7.5 sec.8.9 sec.11.2 sec.
Significant height0.7m (2.3ft)0.7m (2.3ft)0.9m (3ft)1.7m (5.6ft)0.6m (2ft)0.3m (1ft)1.2m (3.9ft)1.6m (5.2ft)
Sea water temperature
Water temperature14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)

Sea weather on Monday 15 December 2025

On Monday 15 December 2025, the sun will rise at 06:45 and will set at 16:17 on the beach(es) of Sendai (Honshu). The outside temperature will be a high of 49°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 35.4mph km/h (with gusts up to 35.4mph). Wave height will be up to 6.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature9°C (47°F)8°C (46°F)7°C (44°F)7°C (45°F)7°C (44°F)7°C (44°F)6°C (42°F)5°C (42°F)
Perceived temperature4°C (38°F)2°C (36°F)2°C (35°F)2°C (36°F)2°C (36°F)3°C (37°F)2°C (35°F)2°C (35°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity68%67%73%67%62%62%63%63%
Barometric pressure994 hPa997 hPa1005 hPa1010 hPa1012 hPa1014 hPa1018 hPa1019 hPa
Cloud cover90%3%78%19%75%97%100%100%
Heat index9°C (47°F)8°C (46°F)7°C (44°F)7°C (45°F)7°C (44°F)7°C (44°F)6°C (42°F)5°C (42°F)
Dew point3°C (37°F)2°C (36°F)2°C (36°F)2°C (35°F)0°C (32°F)-0°C (32°F)-1°C (31°F)-1°C (30°F)
Wind
Speed49km/h (30mph)57km/h (35mph)40km/h (25mph)38km/h (24mph)33km/h (21mph)24km/h (15mph)23km/h (14mph)20km/h (12mph)
Gusts51km/h (31mph)57km/h (35mph)55km/h (34mph)49km/h (31mph)47km/h (29mph)32km/h (20mph)32km/h (20mph)27km/h (17mph)
Direction 261°
W
287°
WNW
300°
WNW
297°
WNW
294°
WNW
296°
WNW
309°
NW
312°
NW
Wind chill4°C (38°F)2°C (36°F)2°C (35°F)2°C (36°F)2°C (36°F)3°C (37°F)2°C (35°F)2°C (35°F)
Waves
Height2.0m (6.6ft)1.8m (6.1ft)1.6m (5.2ft)1.3m (4.3ft)1.2m (3.8ft)1.0m (3.2ft)0.8m (2.7ft)0.8m (2.6ft)
Direction 135°
SE
135°
SE
136°
SE
135°
SE
131°
SE
128°
SE
122°
ESE
118°
ESE
Period11.0 sec.11.0 sec.10.6 sec.10.4 sec.10.3 sec.10.1 sec.10.1 sec.10.3 sec.
Significant height1.9m (6.2ft)2.2m (7.2ft)1.6m (5.2ft)1.2m (3.9ft)1.8m (5.9ft)1.5m (4.9ft)1.3m (4.3ft)1.2m (3.9ft)
Sea water temperature
Water temperature14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)

Sea weather on Tuesday 16 December 2025

On Tuesday 16 December 2025, the sun will rise at 06:46 and will set at 16:17 on the beach(es) of Sendai (Honshu). The outside temperature will be a high of 49°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 20.5mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature6°C (42°F)5°C (41°F)4°C (39°F)5°C (41°F)8°C (47°F)9°C (49°F)7°C (44°F)6°C (43°F)
Perceived temperature3°C (37°F)1°C (34°F)1°C (34°F)2°C (35°F)5°C (41°F)6°C (44°F)4°C (40°F)4°C (40°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity61%67%77%68%55%52%78%82%
Barometric pressure1020 hPa1021 hPa1021 hPa1021 hPa1017 hPa1015 hPa1017 hPa1018 hPa
Cloud cover53%54%23%22%100%47%79%86%
Heat index6°C (42°F)5°C (41°F)4°C (39°F)5°C (41°F)8°C (47°F)9°C (49°F)7°C (44°F)6°C (43°F)
Dew point-1°C (30°F)-1°C (31°F)0°C (33°F)-0°C (32°F)-0°C (31°F)0°C (32°F)3°C (38°F)3°C (38°F)
Wind
Speed15km/h (10mph)17km/h (11mph)12km/h (7mph)16km/h (10mph)22km/h (14mph)22km/h (14mph)13km/h (8mph)9km/h (6mph)
Gusts22km/h (14mph)25km/h (16mph)18km/h (11mph)22km/h (14mph)29km/h (18mph)33km/h (20mph)20km/h (12mph)13km/h (8mph)
Direction 282°
WNW
258°
WSW
246°
WSW
236°
WSW
214°
SW
228°
SW
254°
WSW
302°
WNW
Wind chill3°C (37°F)1°C (34°F)1°C (34°F)2°C (35°F)5°C (41°F)6°C (44°F)4°C (40°F)4°C (40°F)
Waves
Height0.6m (2.0ft)0.6m (1.8ft)0.5m (1.8ft)0.6m (1.9ft)0.6m (2.1ft)0.7m (2.2ft)0.6m (2.1ft)0.6m (1.9ft)
Direction 105°
ESE
103°
ESE
93°
E
91°
E
88°
E
83°
E
83°
E
84°
E
Period9.6 sec.12.0 sec.12.3 sec.12.1 sec.12.2 sec.12.9 sec.12.8 sec.4.6 sec.
Significant height0.6m (2ft)0.7m (2.3ft)0.7m (2.3ft)0.8m (2.6ft)1.0m (3.3ft)0.7m (2.3ft)0.6m (2ft)0.5m (1.6ft)
Sea water temperature
Water temperature14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)

Sea weather on Wednesday 17 December 2025

On Wednesday 17 December 2025, the sun will rise at 06:46 and will set at 16:18 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 9.9mph km/h (with gusts up to 14.3mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature6°C (42°F)6°C (42°F)5°C (40°F)6°C (42°F)8°C (46°F)7°C (45°F)5°C (42°F)5°C (41°F)
Perceived temperature3°C (38°F)3°C (37°F)1°C (34°F)2°C (36°F)5°C (41°F)5°C (40°F)2°C (36°F)2°C (36°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity81%76%76%67%50%51%64%66%
Barometric pressure1018 hPa1019 hPa1020 hPa1021 hPa1019 hPa1020 hPa1021 hPa1023 hPa
Cloud cover80%67%19%13%63%46%57%68%
Heat index6°C (42°F)6°C (42°F)5°C (40°F)6°C (42°F)8°C (46°F)7°C (45°F)5°C (42°F)5°C (41°F)
Dew point3°C (37°F)2°C (35°F)1°C (33°F)-0°C (32°F)-2°C (28°F)-2°C (28°F)-1°C (30°F)-1°C (31°F)
Wind
Speed11km/h (7mph)14km/h (9mph)16km/h (10mph)15km/h (10mph)15km/h (10mph)15km/h (9mph)15km/h (9mph)12km/h (7mph)
Gusts15km/h (9mph)19km/h (12mph)23km/h (14mph)20km/h (13mph)21km/h (13mph)21km/h (13mph)22km/h (14mph)16km/h (10mph)
Direction 314°
NW
329°
NNW
330°
NNW
328°
NNW
311°
NW
324°
NW
330°
NNW
307°
NW
Wind chill3°C (38°F)3°C (37°F)1°C (34°F)2°C (36°F)5°C (41°F)5°C (40°F)2°C (36°F)2°C (36°F)
Waves
Height0.5m (1.8ft)0.5m (1.7ft)0.5m (1.5ft)0.4m (1.4ft)0.5m (1.5ft)0.4m (1.5ft)0.4m (1.4ft)0.4m (1.3ft)
Direction 85°
E
87°
E
88°
E
89°
E
89°
E
90°
E
91°
E
86°
E
Period12.4 sec.11.9 sec.11.6 sec.11.2 sec.11.0 sec.10.9 sec.10.7 sec.12.6 sec.
Significant height0.7m (2.3ft)0.6m (2ft)0.5m (1.6ft)0.5m (1.6ft)0.7m (2.3ft)0.6m (2ft)0.4m (1.3ft)0.4m (1.3ft)
Sea water temperature
Water temperature14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)

Sea weather on Thursday 18 December 2025

On Thursday 18 December 2025, the sun will rise at 06:47 and will set at 16:18 on the beach(es) of Sendai (Honshu). 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 8.7mph km/h (with gusts up to 17.4mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature4°C (40°F)4°C (38°F)3°C (38°F)4°C (40°F)5°C (41°F)4°C (39°F)4°C (40°F)5°C (41°F)
Perceived temperature1°C (34°F)0°C (32°F)1°C (33°F)2°C (36°F)3°C (38°F)1°C (34°F)2°C (35°F)4°C (38°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity67%71%69%60%49%47%53%57%
Barometric pressure1023 hPa1023 hPa1025 hPa1027 hPa1026 hPa1026 hPa1028 hPa1028 hPa
Cloud cover11%6%0%0%4%0%5%4%
Heat index4°C (40°F)4°C (38°F)3°C (38°F)4°C (40°F)5°C (41°F)4°C (39°F)4°C (40°F)5°C (41°F)
Dew point-1°C (30°F)-1°C (30°F)-2°C (29°F)-3°C (27°F)-5°C (23°F)-6°C (21°F)-4°C (24°F)-3°C (27°F)
Wind
Speed13km/h (8mph)14km/h (9mph)11km/h (7mph)9km/h (5mph)8km/h (5mph)13km/h (8mph)10km/h (6mph)6km/h (4mph)
Gusts18km/h (11mph)21km/h (13mph)16km/h (10mph)11km/h (7mph)12km/h (7mph)28km/h (17mph)19km/h (11mph)8km/h (5mph)
Direction 318°
NW
315°
NW
310°
NW
311°
NW
331°
NNW
333°
NNW
337°
NNW
315°
NW
Wind chill1°C (34°F)0°C (32°F)1°C (33°F)2°C (36°F)3°C (38°F)1°C (34°F)2°C (35°F)4°C (38°F)
Waves
Height0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.2ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)
Direction 87°
E
85°
E
86°
E
84°
E
85°
E
86°
E
84°
E
84°
E
Period12.5 sec.12.1 sec.11.8 sec.11.7 sec.11.3 sec.11.1 sec.11.0 sec.10.9 sec.
Significant height0.4m (1.3ft)0.6m (2ft)0.4m (1.3ft)0.3m (1ft)0.4m (1.3ft)0.6m (2ft)0.5m (1.6ft)0.3m (1ft)
Sea water temperature
Water temperature14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)

Sea weather on Friday 19 December 2025

On Friday 19 December 2025, the sun will rise at 06:48 and will set at 16:18 on the beach(es) of Sendai (Honshu). 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 3.7mph km/h (with gusts up to 6.8mph). 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)3°C (38°F)3°C (37°F)4°C (39°F)6°C (42°F)7°C (44°F)5°C (42°F)7°C (44°F)
Perceived temperature3°C (37°F)2°C (36°F)2°C (35°F)3°C (37°F)5°C (41°F)5°C (42°F)5°C (40°F)6°C (43°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity63%65%66%62%60%65%71%75%
Barometric pressure1028 hPa1029 hPa1029 hPa1030 hPa1028 hPa1028 hPa1028 hPa1028 hPa
Cloud cover8%5%0%0%7%7%2%2%
Heat index4°C (39°F)3°C (38°F)3°C (37°F)4°C (39°F)6°C (42°F)7°C (44°F)5°C (42°F)7°C (44°F)
Dew point-3°C (27°F)-3°C (27°F)-3°C (27°F)-3°C (27°F)-2°C (29°F)1°C (33°F)0°C (33°F)3°C (37°F)
Wind
Speed6km/h (4mph)5km/h (3mph)5km/h (3mph)5km/h (3mph)5km/h (3mph)6km/h (4mph)5km/h (3mph)5km/h (3mph)
Gusts8km/h (5mph)8km/h (5mph)8km/h (5mph)6km/h (4mph)7km/h (4mph)11km/h (7mph)10km/h (6mph)9km/h (6mph)
Direction 327°
NNW
320°
NW
315°
NW
300°
WNW
167°
SSE
139°
SE
272°
W
302°
WNW
Wind chill3°C (37°F)2°C (36°F)2°C (35°F)3°C (37°F)5°C (41°F)5°C (42°F)5°C (40°F)6°C (43°F)
Waves
Height0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.6m (2.1ft)0.7m (2.2ft)
Direction 86°
E
84°
E
86°
E
89°
E
87°
E
89°
E
90°
E
90°
E
Period14.2 sec.13.8 sec.13.5 sec.13.3 sec.13.0 sec.12.6 sec.3.9 sec.4.4 sec.
Significant height0.5m (1.6ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)0.8m (2.6ft)0.8m (2.6ft)
Sea water temperature
Water temperature14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)

Sea weather on Saturday 20 December 2025

On Saturday 20 December 2025, the sun will rise at 06:48 and will set at 16:19 on the beach(es) of Sendai (Honshu). 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! The sea will be generally calm, with a wind speed of up to 4.4mph km/h (with gusts up to 8.1mph). Wave height will be up to 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature6°C (43°F)6°C (42°F)5°C (41°F)7°C (44°F)10°C (50°F)11°C (52°F)11°C (52°F)11°C (51°F)
Perceived temperature6°C (42°F)4°C (40°F)3°C (38°F)7°C (44°F)10°C (50°F)11°C (52°F)11°C (52°F)10°C (51°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity80%77%68%59%51%63%73%72%
Barometric pressure1027 hPa1027 hPa1027 hPa1028 hPa1025 hPa1025 hPa1025 hPa1025 hPa
Cloud cover2%0%0%0%7%5%48%47%
Heat index6°C (43°F)6°C (42°F)5°C (41°F)7°C (44°F)10°C (50°F)11°C (52°F)11°C (52°F)11°C (51°F)
Dew point3°C (37°F)2°C (36°F)-0°C (31°F)-1°C (31°F)1°C (33°F)4°C (40°F)6°C (43°F)6°C (42°F)
Wind
Speed5km/h (3mph)6km/h (4mph)7km/h (4mph)4km/h (3mph)3km/h (2mph)5km/h (3mph)2km/h (1mph)5km/h (3mph)
Gusts9km/h (5mph)11km/h (7mph)13km/h (8mph)7km/h (4mph)4km/h (3mph)11km/h (7mph)4km/h (3mph)10km/h (6mph)
Direction 264°
W
308°
NW
336°
NNW
272°
W
235°
SW
132°
SE
327°
NNW
248°
WSW
Wind chill6°C (42°F)4°C (40°F)3°C (38°F)7°C (44°F)10°C (50°F)11°C (52°F)11°C (52°F)10°C (51°F)
Waves
Height0.6m (1.9ft)0.6m (1.9ft)0.6m (1.9ft)0.6m (1.9ft)0.5m (1.7ft)0.6m (1.9ft)0.8m (2.6ft)0.7m (2.4ft)
Direction 91°
E
92°
E
93°
E
94°
E
95°
E
168°
SSE
162°
SSE
161°
SSE
Period4.5 sec.4.7 sec.5.0 sec.5.1 sec.5.1 sec.4.8 sec.5.2 sec.5.2 sec.
Significant height0.7m (2.3ft)0.7m (2.3ft)0.5m (1.6ft)0.5m (1.6ft)0.4m (1.3ft)0.5m (1.6ft)0.8m (2.6ft)0.7m (2.3ft)
Sea water temperature
Water temperature14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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