Sea weather in Izu in Japan All the beach weather in Izu

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

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

Date Outside temp. Our opinion
Thursday 29 January 202640°F to 45°Fdiscouraged
Friday 30 January 202638°F to 43°Fdiscouraged
Saturday 31 January 202638°F to 41°Fdiscouraged
Sunday 1 February 202640°F to 47°Fnot recommended
Monday 2 February 202641°F to 45°Fdiscouraged
Tuesday 3 February 202640°F to 45°Fdiscouraged
Wednesday 4 February 202643°F to 49°Frecommended

Sea Weather: Your daily and hourly sea weather in Izu

Sea weather on Thursday 29 January 2026

On Thursday 29 January 2026, the sun will rise at 06:45 and will set at 17:09 on the beach(es) of Izu. 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 16.8mph 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 temperature7°C (44°F)6°C (42°F)5°C (41°F)5°C (42°F)6°C (43°F)7°C (45°F)6°C (42°F)5°C (42°F)
Perceived temperature5°C (41°F)2°C (35°F)1°C (34°F)3°C (38°F)4°C (39°F)7°C (45°F)1°C (35°F)1°C (33°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity67%67%64%59%52%41%40%51%
Barometric pressure1015 hPa1016 hPa1017 hPa1017 hPa1015 hPa1014 hPa1014 hPa1015 hPa
Cloud cover76%82%44%11%39%25%6%74%
Heat index7°C (44°F)6°C (42°F)5°C (41°F)5°C (42°F)6°C (43°F)7°C (45°F)6°C (42°F)5°C (42°F)
Dew point1°C (34°F)-0°C (32°F)-2°C (29°F)-2°C (28°F)-3°C (26°F)-5°C (23°F)-7°C (20°F)-4°C (25°F)
Wind
Speed10km/h (6mph)21km/h (13mph)18km/h (11mph)9km/h (6mph)10km/h (6mph)1km/h (1mph)27km/h (17mph)26km/h (16mph)
Gusts14km/h (9mph)26km/h (16mph)24km/h (15mph)11km/h (7mph)14km/h (9mph)2km/h (1mph)27km/h (17mph)35km/h (22mph)
Direction 357°
N
32°
NNE
31°
NNE
40°
NE
91°
E
122°
ESE
269°
W
257°
WSW
Wind chill5°C (41°F)2°C (35°F)1°C (34°F)3°C (38°F)4°C (39°F)7°C (45°F)1°C (35°F)1°C (33°F)
Waves
Height0.4m (1.2ft)0.7m (2.3ft)0.6m (2.1ft)0.5m (1.7ft)0.4m (1.4ft)0.3m (1.1ft)0.4m (1.4ft)0.8m (2.6ft)
Direction 120°
ESE
50°
NE
49°
NE
49°
NE
48°
NE
54°
NE
184°
S
235°
SW
Period4.0 sec.4.2 sec.5.0 sec.5.3 sec.5.5 sec.5.7 sec.6.0 sec.5.8 sec.
Significant height0.3m (1ft)0.9m (3ft)0.5m (1.6ft)0.4m (1.3ft)0.3m (1ft)0.4m (1.3ft)0.2m (0.7ft)1.2m (3.9ft)
Sea water temperature
Water temperature15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)

Sea weather on Friday 30 January 2026

On Friday 30 January 2026, the sun will rise at 06:44 and will set at 17:10 on the beach(es) of Izu. 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 11.2mph km/h (with gusts up to 16.8mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature4°C (40°F)3°C (38°F)3°C (38°F)5°C (41°F)6°C (42°F)6°C (42°F)4°C (39°F)5°C (42°F)
Perceived temperature0°C (33°F)3°C (38°F)2°C (36°F)4°C (39°F)3°C (37°F)3°C (37°F)1°C (33°F)2°C (35°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity63%52%56%50%53%52%55%58%
Barometric pressure1015 hPa1016 hPa1017 hPa1018 hPa1016 hPa1015 hPa1017 hPa1017 hPa
Cloud cover81%70%82%73%69%84%6%85%
Heat index4°C (40°F)3°C (38°F)3°C (38°F)5°C (41°F)6°C (42°F)6°C (42°F)4°C (39°F)5°C (42°F)
Dew point-2°C (28°F)-5°C (22°F)-5°C (24°F)-5°C (23°F)-3°C (26°F)-4°C (26°F)-4°C (24°F)-2°C (28°F)
Wind
Speed18km/h (11mph)3km/h (2mph)5km/h (3mph)4km/h (3mph)16km/h (10mph)13km/h (8mph)15km/h (9mph)16km/h (10mph)
Gusts23km/h (15mph)4km/h (2mph)8km/h (5mph)6km/h (3mph)20km/h (12mph)18km/h (11mph)27km/h (17mph)23km/h (14mph)
Direction 305°
NW
64°
ENE
152°
SSE
152°
SSE
151°
SSE
80°
E
54°
NE
55°
NE
Wind chill0°C (33°F)3°C (38°F)2°C (36°F)4°C (39°F)3°C (37°F)3°C (37°F)1°C (33°F)2°C (35°F)
Waves
Height0.5m (1.8ft)0.4m (1.5ft)0.4m (1.3ft)0.3m (1.1ft)0.3m (1.0ft)0.2m (0.8ft)0.3m (1.0ft)0.4m (1.4ft)
Direction 219°
SW
132°
SE
134°
SE
132°
SE
179°
S
173°
S
210°
SSW
143°
SE
Period4.2 sec.3.9 sec.5.7 sec.3.3 sec.5.8 sec.6.3 sec.6.4 sec.6.2 sec.
Significant height0.3m (1ft)0.4m (1.3ft)0.3m (1ft)0.2m (0.7ft)0.5m (1.6ft)0.3m (1ft)0.3m (1ft)0.7m (2.3ft)
Sea water temperature
Water temperature15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)

Sea weather on Saturday 31 January 2026

On Saturday 31 January 2026, the sun will rise at 06:43 and will set at 17:11 on the beach(es) of Izu. 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 7.5mph km/h (with gusts up to 11.2mph). 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)4°C (38°F)3°C (38°F)4°C (39°F)4°C (39°F)5°C (41°F)4°C (40°F)5°C (42°F)
Perceived temperature1°C (34°F)2°C (35°F)1°C (35°F)3°C (38°F)4°C (39°F)2°C (36°F)2°C (35°F)4°C (39°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity56%52%54%58%61%63%66%61%
Barometric pressure1017 hPa1017 hPa1017 hPa1019 hPa1018 hPa1018 hPa1018 hPa1018 hPa
Cloud cover56%38%60%100%97%81%75%42%
Heat index4°C (39°F)4°C (38°F)3°C (38°F)4°C (39°F)4°C (39°F)5°C (41°F)4°C (40°F)5°C (42°F)
Dew point-4°C (25°F)-5°C (22°F)-5°C (23°F)-4°C (25°F)-3°C (27°F)-2°C (29°F)-1°C (29°F)-2°C (29°F)
Wind
Speed12km/h (7mph)8km/h (5mph)7km/h (4mph)4km/h (2mph)3km/h (2mph)10km/h (6mph)11km/h (7mph)6km/h (4mph)
Gusts16km/h (10mph)11km/h (7mph)11km/h (7mph)5km/h (3mph)3km/h (2mph)13km/h (8mph)18km/h (11mph)10km/h (6mph)
Direction 60°
ENE
85°
E
73°
ENE
109°
ESE
174°
S
152°
SSE
129°
SE
56°
ENE
Wind chill1°C (34°F)2°C (35°F)1°C (35°F)3°C (38°F)4°C (39°F)2°C (36°F)2°C (35°F)4°C (39°F)
Waves
Height0.5m (1.7ft)0.5m (1.5ft)0.4m (1.2ft)0.3m (1.0ft)0.2m (0.8ft)0.2m (0.8ft)0.2m (0.8ft)0.2m (0.8ft)
Direction 46°
NE
46°
NE
44°
NE
42°
NE
48°
NE
159°
SSE
183°
S
175°
S
Period4.7 sec.4.1 sec.4.0 sec.3.3 sec.3.4 sec.3.6 sec.6.3 sec.4.8 sec.
Significant height0.5m (1.6ft)0.5m (1.6ft)0.3m (1ft)0.2m (0.7ft)0.2m (0.7ft)0.4m (1.3ft)0.3m (1ft)0.3m (1ft)
Sea water temperature
Water temperature15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)

Sea weather on Sunday 1 February 2026

On Sunday 1 February 2026, the sun will rise at 06:42 and will set at 17:12 on the beach(es) of Izu. 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! Be careful, the sea will be generally rough with a wind speed of up to 26.1mph km/h (with gusts up to 32.3mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature5°C (41°F)5°C (41°F)5°C (40°F)6°C (42°F)5°C (40°F)8°C (46°F)4°C (39°F)7°C (45°F)
Perceived temperature3°C (37°F)2°C (36°F)4°C (38°F)5°C (41°F)5°C (40°F)3°C (38°F)-2°C (28°F)2°C (36°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity64%68%63%61%55%43%51%59%
Barometric pressure1018 hPa1017 hPa1018 hPa1018 hPa1016 hPa1013 hPa1013 hPa1014 hPa
Cloud cover57%84%83%69%73%2%0%0%
Heat index5°C (41°F)5°C (41°F)5°C (40°F)6°C (42°F)5°C (40°F)8°C (46°F)4°C (39°F)7°C (45°F)
Dew point-1°C (30°F)-0°C (32°F)-2°C (29°F)-1°C (30°F)-4°C (25°F)-4°C (25°F)-5°C (23°F)-0°C (31°F)
Wind
Speed10km/h (6mph)14km/h (9mph)5km/h (3mph)4km/h (2mph)1km/h (1mph)33km/h (21mph)42km/h (26mph)39km/h (24mph)
Gusts15km/h (9mph)19km/h (12mph)8km/h (5mph)5km/h (3mph)2km/h (1mph)39km/h (24mph)47km/h (29mph)52km/h (32mph)
Direction
N
22°
NNE
57°
ENE
116°
ESE
66°
ENE
250°
WSW
261°
W
268°
W
Wind chill3°C (37°F)2°C (36°F)4°C (38°F)5°C (41°F)5°C (40°F)3°C (38°F)-2°C (28°F)2°C (36°F)
Waves
Height0.2m (0.8ft)0.3m (0.9ft)0.3m (0.9ft)0.2m (0.7ft)0.2m (0.7ft)0.3m (1.0ft)0.7m (2.2ft)0.5m (1.5ft)
Direction 162°
SSE
51°
NE
43°
NE
137°
SE
206°
SSW
210°
SSW
234°
SW
222°
SW
Period4.8 sec.4.9 sec.4.9 sec.3.7 sec.4.4 sec.3.5 sec.6.8 sec.3.7 sec.
Significant height0.3m (1ft)0.4m (1.3ft)0.2m (0.7ft)0.2m (0.7ft)0.1m (0.3ft)0.4m (1.3ft)0.9m (3ft)0.3m (1ft)
Sea water temperature
Water temperature15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)

Sea weather on Monday 2 February 2026

On Monday 2 February 2026, the sun will rise at 06:42 and will set at 17:13 on the beach(es) of Izu. The outside temperature will be a high of 45°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 23.6mph km/h (with gusts up to 31.7mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature6°C (43°F)5°C (41°F)5°C (40°F)6°C (42°F)6°C (43°F)7°C (44°F)5°C (41°F)7°C (44°F)
Perceived temperature4°C (39°F)3°C (38°F)4°C (40°F)3°C (37°F)5°C (42°F)5°C (41°F)0°C (32°F)2°C (35°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity60%65%64%58%57%53%49%54%
Barometric pressure1014 hPa1016 hPa1017 hPa1018 hPa1017 hPa1015 hPa1015 hPa1015 hPa
Cloud cover0%3%39%82%87%22%2%4%
Heat index6°C (43°F)5°C (41°F)5°C (40°F)6°C (42°F)6°C (43°F)7°C (44°F)5°C (41°F)7°C (44°F)
Dew point-1°C (30°F)-1°C (31°F)-1°C (29°F)-2°C (29°F)-2°C (29°F)-2°C (28°F)-5°C (23°F)-2°C (29°F)
Wind
Speed10km/h (6mph)9km/h (5mph)4km/h (2mph)13km/h (8mph)5km/h (3mph)9km/h (5mph)29km/h (18mph)38km/h (23mph)
Gusts15km/h (9mph)13km/h (8mph)6km/h (4mph)17km/h (10mph)7km/h (4mph)13km/h (8mph)32km/h (20mph)51km/h (31mph)
Direction 303°
WNW
265°
W
356°
N
26°
NNE
31°
NNE
153°
SSE
251°
WSW
269°
W
Wind chill4°C (39°F)3°C (38°F)4°C (40°F)3°C (37°F)5°C (42°F)5°C (41°F)0°C (32°F)2°C (35°F)
Waves
Height0.3m (1.1ft)0.3m (1.0ft)0.3m (1.0ft)0.3m (1.0ft)0.3m (1.0ft)0.3m (1.0ft)0.4m (1.3ft)0.7m (2.3ft)
Direction 208°
SSW
204°
SSW
209°
SSW
48°
NE
137°
SE
206°
SSW
212°
SSW
243°
WSW
Period4.8 sec.4.7 sec.4.7 sec.4.8 sec.3.9 sec.4.7 sec.4.5 sec.4.5 sec.
Significant height0.3m (1ft)0.1m (0.3ft)0.1m (0.3ft)0.1m (0.3ft)0.3m (1ft)0.4m (1.3ft)0.2m (0.7ft)1.3m (4.3ft)
Sea water temperature
Water temperature15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)

Sea weather on Tuesday 3 February 2026

On Tuesday 3 February 2026, the sun will rise at 06:41 and will set at 17:14 on the beach(es) of Izu. 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 24.2mph km/h (with gusts up to 31.1mph). Wave height will be up to 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 (40°F)6°C (42°F)6°C (43°F)7°C (45°F)6°C (42°F)7°C (45°F)
Perceived temperature0°C (33°F)1°C (34°F)0°C (33°F)4°C (38°F)5°C (41°F)5°C (40°F)3°C (37°F)5°C (41°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity60%68%71%55%48%52%52%48%
Barometric pressure1015 hPa1016 hPa1018 hPa1020 hPa1020 hPa1021 hPa1023 hPa1023 hPa
Cloud cover2%60%9%2%13%24%6%4%
Heat index6°C (42°F)5°C (41°F)4°C (40°F)6°C (42°F)6°C (43°F)7°C (45°F)6°C (42°F)7°C (45°F)
Dew point-1°C (29°F)-0°C (31°F)-1°C (31°F)-3°C (27°F)-4°C (25°F)-2°C (29°F)-3°C (26°F)-3°C (26°F)
Wind
Speed39km/h (24mph)21km/h (13mph)18km/h (11mph)9km/h (6mph)6km/h (4mph)15km/h (10mph)14km/h (9mph)10km/h (6mph)
Gusts50km/h (31mph)29km/h (18mph)25km/h (16mph)11km/h (7mph)9km/h (5mph)22km/h (14mph)26km/h (16mph)16km/h (10mph)
Direction 268°
W
19°
NNE
16°
NNE

N
117°
ESE
170°
S
155°
SSE
157°
SSE
Wind chill0°C (33°F)1°C (34°F)0°C (33°F)4°C (38°F)5°C (41°F)5°C (40°F)3°C (37°F)5°C (41°F)
Waves
Height0.9m (3.0ft)0.6m (2.0ft)0.3m (1.1ft)0.3m (1.0ft)0.4m (1.3ft)0.3m (1.0ft)0.2m (0.8ft)0.2m (0.8ft)
Direction 249°
WSW
256°
WSW
215°
SW
179°
S
60°
ENE
65°
ENE
153°
SSE
122°
ESE
Period7.5 sec.4.5 sec.4.6 sec.4.6 sec.4.6 sec.4.2 sec.4.9 sec.4.6 sec.
Significant height1.1m (3.6ft)0.4m (1.3ft)0.1m (0.3ft)0.3m (1ft)0.6m (2ft)0.3m (1ft)0.2m (0.7ft)0.1m (0.3ft)
Sea water temperature
Water temperature15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)

Sea weather on Wednesday 4 February 2026

On Wednesday 4 February 2026, the sun will rise at 06:40 and will set at 17:15 on the beach(es) of Izu. The outside temperature will be a high of 49°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 8.1mph km/h (with gusts up to 14.9mph). Wave height will be up to 0.7ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature7°C (45°F)7°C (44°F)6°C (43°F)7°C (44°F)6°C (43°F)7°C (44°F)8°C (46°F)9°C (47°F)
Perceived temperature6°C (43°F)6°C (43°F)4°C (38°F)5°C (42°F)5°C (41°F)5°C (40°F)6°C (43°F)9°C (48°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity47%51%59%55%48%39%48%47%
Barometric pressure1023 hPa1023 hPa1023 hPa1023 hPa1020 hPa1019 hPa1019 hPa1018 hPa
Cloud cover6%2%12%0%0%1%18%100%
Heat index7°C (45°F)7°C (44°F)6°C (43°F)7°C (44°F)6°C (43°F)7°C (44°F)8°C (46°F)9°C (47°F)
Dew point-3°C (26°F)-3°C (27°F)-1°C (30°F)-1°C (29°F)-4°C (25°F)-6°C (21°F)-2°C (28°F)-2°C (28°F)
Wind
Speed7km/h (4mph)4km/h (3mph)13km/h (8mph)8km/h (5mph)5km/h (3mph)12km/h (7mph)10km/h (6mph)4km/h (2mph)
Gusts11km/h (7mph)7km/h (4mph)20km/h (12mph)10km/h (6mph)9km/h (5mph)24km/h (15mph)18km/h (11mph)6km/h (3mph)
Direction 180°
S
266°
W
339°
NNW
358°
N
76°
ENE
222°
SW
232°
SW
326°
NW
Wind chill6°C (43°F)6°C (43°F)4°C (38°F)5°C (42°F)5°C (41°F)5°C (40°F)6°C (43°F)9°C (48°F)
Waves
Height0.2m (0.8ft)0.2m (0.7ft)0.2m (0.6ft)0.2m (0.8ft)0.2m (0.8ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.8ft)
Direction 129°
SE
137°
SE
150°
SSE
194°
SSW
148°
SSE
165°
SSE
149°
SSE
152°
SSE
Period2.7 sec.2.8 sec.2.9 sec.3.2 sec.3.8 sec.3.9 sec.4.1 sec.4.2 sec.
Significant height0.3m (1ft)0.3m (1ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)
Sea water temperature
Water temperature15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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