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
Sunday 19 July 202677°F to 81°Frecommended
Monday 20 July 202674°F to 81°Frecommended
Tuesday 21 July 202674°F to 81°Frecommended
Wednesday 22 July 202679°F to 83°Frecommended
Thursday 23 July 202677°F to 83°Frecommended
Friday 24 July 202677°F to 83°Frecommended
Saturday 25 July 202674°F to 77°Frecommended

Sea Weather: Your daily and hourly sea weather in Izu

Sea weather on Sunday 19 July 2026

On Sunday 19 July 2026, the sun will rise at 04:44 and will set at 18:57 on the beach(es) of Izu. The outside temperature will be a high of 81°F t and a low of 77°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 9.3mph km/h (with gusts up to 13.7mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (78°F)25°C (77°F)25°C (77°F)26°C (78°F)26°C (79°F)26°C (80°F)26°C (80°F)26°C (78°F)
Perceived temperature28°C (83°F)28°C (82°F)28°C (82°F)29°C (84°F)29°C (84°F)30°C (86°F)30°C (86°F)29°C (85°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity88%89%90%88%85%85%87%90%
Barometric pressure1008 hPa1008 hPa1008 hPa1009 hPa1008 hPa1007 hPa1007 hPa1009 hPa
Cloud cover93%100%100%100%60%75%59%87%
Heat index28°C (83°F)28°C (82°F)28°C (82°F)29°C (84°F)29°C (84°F)30°C (86°F)30°C (86°F)29°C (85°F)
Dew point23°C (74°F)23°C (74°F)23°C (74°F)24°C (74°F)23°C (74°F)24°C (75°F)24°C (75°F)24°C (75°F)
Wind
Speed2km/h (1mph)3km/h (2mph)1km/h (1mph)3km/h (2mph)12km/h (7mph)15km/h (9mph)10km/h (6mph)9km/h (6mph)
Gusts3km/h (2mph)5km/h (3mph)2km/h (1mph)4km/h (2mph)17km/h (11mph)22km/h (14mph)15km/h (9mph)15km/h (9mph)
Direction 233°
SW
213°
SSW
218°
SW
165°
SSE
193°
SSW
197°
SSW
193°
SSW
217°
SW
Wind chill25°C (78°F)25°C (77°F)25°C (77°F)26°C (78°F)26°C (79°F)26°C (80°F)26°C (80°F)26°C (78°F)
Waves
Height0.3m (1.0ft)0.3m (1.0ft)0.3m (1.0ft)0.3m (1.0ft)0.3m (1.0ft)0.4m (1.2ft)0.4m (1.2ft)0.3m (1.1ft)
Direction 190°
S
185°
S
181°
S
179°
S
181°
S
178°
S
178°
S
178°
S
Period6.9 sec.6.7 sec.4.4 sec.4.2 sec.8.3 sec.8.3 sec.8.1 sec.7.8 sec.
Significant height0.1m (0.3ft)0.1m (0.3ft)0.1m (0.3ft)0.2m (0.7ft)0.4m (1.3ft)0.5m (1.6ft)0.4m (1.3ft)0.3m (1ft)
Sea water temperature
Water temperature23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)

Sea weather on Monday 20 July 2026

On Monday 20 July 2026, the sun will rise at 04:45 and will set at 18:57 on the beach(es) of Izu. The outside temperature will be a high of 81°F t and a low of 74°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 14.9mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (78°F)25°C (77°F)25°C (78°F)27°C (80°F)23°C (74°F)25°C (77°F)27°C (81°F)26°C (79°F)
Perceived temperature29°C (84°F)28°C (82°F)28°C (83°F)30°C (86°F)25°C (78°F)27°C (81°F)31°C (88°F)30°C (85°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity91%92%90%84%86%83%84%88%
Barometric pressure1008 hPa1008 hPa1009 hPa1009 hPa1008 hPa1007 hPa1007 hPa1008 hPa
Cloud cover51%51%46%29%78%79%29%28%
Heat index29°C (84°F)28°C (82°F)28°C (83°F)30°C (86°F)25°C (78°F)27°C (81°F)31°C (88°F)30°C (85°F)
Dew point24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)21°C (69°F)22°C (72°F)24°C (76°F)24°C (75°F)
Wind
Speed4km/h (2mph)2km/h (1mph)3km/h (2mph)6km/h (4mph)12km/h (7mph)11km/h (7mph)10km/h (6mph)5km/h (3mph)
Gusts6km/h (4mph)3km/h (2mph)4km/h (2mph)8km/h (5mph)24km/h (15mph)23km/h (15mph)17km/h (10mph)9km/h (6mph)
Direction 233°
SW
249°
WSW
253°
WSW
183°
S
185°
S
187°
S
195°
SSW
197°
SSW
Wind chill26°C (78°F)25°C (77°F)25°C (78°F)27°C (80°F)23°C (74°F)25°C (77°F)27°C (81°F)26°C (79°F)
Waves
Height0.3m (1.0ft)0.3m (0.9ft)0.3m (0.9ft)0.2m (0.8ft)0.2m (0.8ft)0.4m (1.2ft)0.4m (1.3ft)0.4m (1.3ft)
Direction 179°
S
179°
S
179°
S
179°
S
179°
S
179°
S
179°
S
180°
S
Period7.8 sec.7.7 sec.7.6 sec.7.5 sec.7.4 sec.7.4 sec.7.3 sec.7.3 sec.
Significant height0.3m (1ft)0.1m (0.3ft)0.1m (0.3ft)0.1m (0.3ft)0.3m (1ft)0.5m (1.6ft)0.5m (1.6ft)0.4m (1.3ft)
Sea water temperature
Water temperature23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)

Sea weather on Tuesday 21 July 2026

On Tuesday 21 July 2026, the sun will rise at 04:45 and will set at 18:56 on the beach(es) of Izu. The outside temperature will be a high of 81°F t and a low of 74°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 16.2mph). Wave height will be up to 1ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (78°F)26°C (78°F)26°C (79°F)27°C (81°F)24°C (75°F)26°C (78°F)27°C (80°F)26°C (80°F)
Perceived temperature29°C (85°F)29°C (84°F)29°C (85°F)31°C (88°F)26°C (79°F)28°C (83°F)31°C (89°F)30°C (87°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity91%91%90%84%84%87%90%91%
Barometric pressure1008 hPa1008 hPa1009 hPa1009 hPa1008 hPa1007 hPa1008 hPa1009 hPa
Cloud cover32%44%35%15%72%9%80%78%
Heat index29°C (85°F)29°C (84°F)29°C (85°F)31°C (88°F)26°C (79°F)28°C (83°F)31°C (89°F)30°C (87°F)
Dew point24°C (75°F)24°C (75°F)24°C (75°F)24°C (76°F)21°C (70°F)23°C (74°F)25°C (77°F)25°C (77°F)
Wind
Speed4km/h (3mph)3km/h (2mph)1km/h (1mph)4km/h (3mph)10km/h (6mph)12km/h (8mph)7km/h (4mph)4km/h (2mph)
Gusts7km/h (4mph)5km/h (3mph)2km/h (1mph)6km/h (4mph)21km/h (13mph)26km/h (16mph)11km/h (7mph)6km/h (4mph)
Direction 209°
SSW
224°
SW
219°
SW
177°
S
193°
SSW
191°
S
195°
SSW
194°
SSW
Wind chill26°C (78°F)26°C (78°F)26°C (79°F)27°C (81°F)24°C (75°F)26°C (78°F)27°C (80°F)26°C (80°F)
Waves
Height0.3m (1.0ft)0.3m (0.9ft)0.2m (0.8ft)0.2m (0.7ft)0.2m (0.7ft)0.3m (1.0ft)0.3m (1.0ft)0.3m (1.0ft)
Direction 181°
S
181°
S
182°
S
183°
S
185°
S
186°
S
187°
S
192°
SSW
Period7.2 sec.3.2 sec.7.0 sec.7.0 sec.6.9 sec.6.9 sec.6.9 sec.6.7 sec.
Significant height0.3m (1ft)0.2m (0.7ft)0.1m (0.3ft)0.2m (0.7ft)0.3m (1ft)0.5m (1.6ft)0.3m (1ft)0.3m (1ft)
Sea water temperature
Water temperature23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)

Sea weather on Wednesday 22 July 2026

On Wednesday 22 July 2026, the sun will rise at 04:46 and will set at 18:55 on the beach(es) of Izu. The outside temperature will be a high of 83°F t and a low of 79°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 14.3mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (79°F)26°C (78°F)26°C (79°F)27°C (81°F)27°C (81°F)28°C (82°F)28°C (82°F)27°C (80°F)
Perceived temperature30°C (86°F)29°C (85°F)30°C (85°F)32°C (89°F)31°C (88°F)33°C (91°F)32°C (90°F)31°C (88°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity92%93%91%84%82%85%86%91%
Barometric pressure1009 hPa1007 hPa1008 hPa1009 hPa1008 hPa1007 hPa1007 hPa1009 hPa
Cloud cover33%48%49%19%75%75%21%25%
Heat index30°C (86°F)29°C (85°F)30°C (85°F)32°C (89°F)31°C (88°F)33°C (91°F)32°C (90°F)31°C (88°F)
Dew point25°C (77°F)25°C (76°F)24°C (76°F)25°C (76°F)24°C (75°F)25°C (77°F)25°C (77°F)25°C (77°F)
Wind
Speed1km/h (1mph)1km/h (1mph)1km/h (1mph)1km/h (1mph)9km/h (6mph)14km/h (9mph)7km/h (4mph)6km/h (4mph)
Gusts2km/h (1mph)2km/h (1mph)2km/h (1mph)2km/h (1mph)16km/h (10mph)23km/h (14mph)12km/h (7mph)9km/h (6mph)
Direction 112°
ESE
197°
SSW
17°
NNE
161°
SSE
184°
S
200°
SSW
186°
S
186°
S
Wind chill26°C (79°F)26°C (78°F)26°C (79°F)27°C (81°F)27°C (81°F)28°C (82°F)28°C (82°F)27°C (80°F)
Waves
Height0.3m (1.0ft)0.3m (1.0ft)0.3m (1.0ft)0.3m (0.9ft)0.3m (1.0ft)0.3m (1.1ft)0.4m (1.3ft)0.5m (1.8ft)
Direction 194°
SSW
210°
SSW
211°
SSW
211°
SSW
210°
SSW
213°
SSW
216°
SW
214°
SW
Period6.7 sec.7.4 sec.4.0 sec.4.0 sec.4.1 sec.6.8 sec.4.5 sec.5.2 sec.
Significant height0.3m (1ft)0.3m (1ft)0.3m (1ft)0.3m (1ft)0.3m (1ft)0.4m (1.3ft)0.3m (1ft)0.3m (1ft)
Sea water temperature
Water temperature23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)

Sea weather on Thursday 23 July 2026

On Thursday 23 July 2026, the sun will rise at 04:47 and will set at 18:55 on the beach(es) of Izu. The outside temperature will be a high of 83°F t and a low of 77°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 18mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (79°F)26°C (78°F)26°C (79°F)28°C (82°F)25°C (76°F)27°C (81°F)26°C (80°F)27°C (80°F)
Perceived temperature30°C (86°F)29°C (85°F)30°C (85°F)32°C (90°F)27°C (80°F)32°C (89°F)30°C (86°F)30°C (87°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity93%93%89%81%81%86%85%88%
Barometric pressure1008 hPa1007 hPa1008 hPa1008 hPa1008 hPa1007 hPa1008 hPa1009 hPa
Cloud cover41%39%18%70%88%89%70%24%
Heat index30°C (86°F)29°C (85°F)30°C (85°F)32°C (90°F)27°C (80°F)32°C (89°F)30°C (86°F)30°C (87°F)
Dew point25°C (77°F)25°C (76°F)24°C (75°F)24°C (76°F)21°C (70°F)25°C (76°F)24°C (75°F)24°C (76°F)
Wind
Speed1km/h (1mph)3km/h (2mph)5km/h (3mph)1km/h (0mph)14km/h (9mph)11km/h (7mph)5km/h (3mph)1km/h (1mph)
Gusts2km/h (1mph)4km/h (3mph)7km/h (5mph)1km/h (1mph)29km/h (18mph)18km/h (11mph)9km/h (5mph)2km/h (2mph)
Direction 106°
ESE
48°
NE
25°
NNE
111°
ESE
187°
S
213°
SSW
186°
S
151°
SSE
Wind chill26°C (79°F)26°C (78°F)26°C (79°F)28°C (82°F)25°C (76°F)27°C (81°F)26°C (80°F)27°C (80°F)
Waves
Height0.6m (1.8ft)0.5m (1.7ft)0.5m (1.5ft)0.4m (1.4ft)0.4m (1.4ft)0.4m (1.2ft)0.3m (1.0ft)0.3m (1.1ft)
Direction 214°
SSW
213°
SSW
212°
SSW
211°
SSW
212°
SSW
213°
SSW
213°
SSW
193°
SSW
Period5.4 sec.5.4 sec.5.3 sec.5.2 sec.5.1 sec.4.9 sec.4.8 sec.3.2 sec.
Significant height0.1m (0.3ft)0.2m (0.7ft)0.3m (1ft)0.4m (1.3ft)0.5m (1.6ft)0.3m (1ft)0.2m (0.7ft)0.5m (1.6ft)
Sea water temperature
Water temperature23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)

Sea weather on Friday 24 July 2026

On Friday 24 July 2026, the sun will rise at 04:48 and will set at 18:54 on the beach(es) of Izu. The outside temperature will be a high of 83°F t and a low of 77°F. Precipitation is in the forecast (0.1in throughout the day): choose the right time to go to the beach and dodge the raindrops. The sea will be generally calm, with a wind speed of up to 7.5mph km/h (with gusts up to 13.1mph). Wave height will be up to 1ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (80°F)26°C (79°F)26°C (79°F)28°C (82°F)28°C (82°F)27°C (81°F)26°C (78°F)25°C (77°F)
Perceived temperature30°C (86°F)29°C (85°F)29°C (84°F)32°C (89°F)31°C (89°F)31°C (87°F)29°C (84°F)28°C (82°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity87%87%85%78%78%84%90%93%
Barometric pressure1009 hPa1008 hPa1009 hPa1009 hPa1009 hPa1009 hPa1009 hPa1011 hPa
Cloud cover33%29%50%68%65%100%100%100%
Heat index30°C (86°F)29°C (85°F)29°C (84°F)32°C (89°F)31°C (89°F)31°C (87°F)29°C (84°F)28°C (82°F)
Dew point24°C (75°F)24°C (75°F)23°C (74°F)24°C (75°F)24°C (74°F)24°C (75°F)24°C (75°F)24°C (74°F)
Wind
Speed8km/h (5mph)10km/h (6mph)8km/h (5mph)8km/h (5mph)12km/h (7mph)9km/h (6mph)4km/h (2mph)11km/h (7mph)
Gusts14km/h (9mph)17km/h (11mph)13km/h (8mph)12km/h (7mph)17km/h (11mph)14km/h (9mph)6km/h (3mph)21km/h (13mph)
Direction 49°
NE
55°
NE
46°
NE
80°
E
204°
SSW
229°
SW
287°
WNW
64°
ENE
Wind chill26°C (80°F)26°C (79°F)26°C (79°F)28°C (82°F)28°C (82°F)27°C (81°F)26°C (78°F)25°C (77°F)
Waves
Height0.3m (1.1ft)0.3m (0.9ft)0.2m (0.8ft)0.2m (0.7ft)0.2m (0.6ft)0.2m (0.6ft)0.2m (0.6ft)0.2m (0.7ft)
Direction 192°
SSW
191°
S
190°
S
189°
S
188°
S
190°
S
189°
S
189°
S
Period3.4 sec.7.3 sec.7.3 sec.7.2 sec.7.1 sec.7.1 sec.7.1 sec.7.1 sec.
Significant height0.5m (1.6ft)0.3m (1ft)0.3m (1ft)0.1m (0.3ft)0.2m (0.7ft)0.1m (0.3ft)0.2m (0.7ft)0.3m (1ft)
Sea water temperature
Water temperature23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)

Sea weather on Saturday 25 July 2026

On Saturday 25 July 2026, the sun will rise at 04:48 and will set at 18:53 on the beach(es) of Izu. The outside temperature will be a high of 77°F t and a low of 74°F. Precipitation is in the forecast (0.1in throughout the day): choose the right time to go to the beach and dodge the raindrops. The sea will be generally calm, with a wind speed of up to 8.1mph km/h (with gusts up to 11.2mph). Wave height will be up to 0.7ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (76°F)24°C (75°F)24°C (75°F)24°C (75°F)25°C (76°F)24°C (75°F)23°C (74°F)24°C (74°F)
Perceived temperature27°C (81°F)26°C (79°F)26°C (79°F)26°C (79°F)27°C (80°F)26°C (79°F)25°C (78°F)26°C (78°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity91%89%88%86%82%86%91%90%
Barometric pressure1010 hPa1010 hPa1011 hPa1012 hPa1011 hPa1011 hPa1011 hPa1012 hPa
Cloud cover100%100%100%100%100%100%100%100%
Heat index27°C (81°F)26°C (79°F)26°C (79°F)26°C (79°F)27°C (80°F)26°C (79°F)25°C (78°F)26°C (78°F)
Dew point23°C (73°F)22°C (72°F)22°C (71°F)22°C (71°F)21°C (70°F)21°C (71°F)22°C (71°F)22°C (71°F)
Wind
Speed13km/h (8mph)11km/h (7mph)9km/h (5mph)8km/h (5mph)5km/h (3mph)5km/h (3mph)9km/h (5mph)7km/h (4mph)
Gusts18km/h (11mph)16km/h (10mph)12km/h (8mph)12km/h (7mph)7km/h (4mph)8km/h (5mph)13km/h (8mph)11km/h (7mph)
Direction 70°
ENE
61°
ENE
69°
ENE
86°
E
94°
E
350°
N
22°
NNE
59°
ENE
Wind chill25°C (76°F)24°C (75°F)24°C (75°F)24°C (75°F)25°C (76°F)24°C (75°F)23°C (74°F)24°C (74°F)
Waves
Height0.2m (0.6ft)0.2m (0.6ft)0.2m (0.6ft)0.2m (0.6ft)0.2m (0.6ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)
Direction 189°
S
189°
S
189°
S
189°
S
189°
S
189°
S
189°
S
189°
S
Period7.0 sec.6.9 sec.6.9 sec.6.9 sec.6.8 sec.6.8 sec.6.8 sec.6.6 sec.
Significant height0.1m (0.3ft)0.2m (0.7ft)0.1m (0.3ft)0.1m (0.3ft)0.2m (0.7ft)0.1m (0.3ft)0.2m (0.7ft)0.2m (0.7ft)
Sea water temperature
Water temperature23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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