ariasurf

沖ノ島海水浴場

館山市, 日本

Sand

Right now

Conditions at 8:00 AM Japan Standard Time.

Fair

Overhead (2.5 m) at 8 s, heading toward NW, with strong cross-offshore wind toward SSW.

Swell

2.5 m

8 s

Wind

28 km/h

SSW

Cross-offshore

Tide

1 m

Rising

Weather

24 °C

Rain

27 °C water

7-day forecast

Wave height and the best conditions expected each day.

Hourly forecast

Sunday, September 20, 2026

Time	Rating	Swell	Swell direction	Wind	Wind direction	Tide	Weather
12 AM	Good	2.2 m · 9 s	NW	20 km/h · 41 km/h gusts	SSW Offshore	1.2 m	Rain · 24 °C
1 AM	Good	2.2 m · 9 s	NW	22 km/h · 41 km/h gusts	SSW Offshore	1.1 m	Light rain · 23 °C
2 AM	Good	2.3 m · 8 s	NW	19 km/h · 40 km/h gusts	SW Offshore	1 m	Drizzle · 24 °C
3 AM	Good	2.4 m · 8 s	NW	23 km/h · 39 km/h gusts	SSW Offshore	0.9 m	Light rain · 24 °C
4 AM	Good	2.4 m · 8 s	NW	22 km/h · 39 km/h gusts	SSW Offshore	0.8 m	Light rain · 24 °C
5 AM	Good	2.4 m · 8 s	NW	23 km/h · 40 km/h gusts	SSW Offshore	0.8 m	Heavy drizzle · 24 °C
6 AM	Good	2.4 m · 8 s	NW	25 km/h · 38 km/h gusts	SSW Offshore	0.9 m	Light rain · 24 °C
7 AM	Fair	2.4 m · 8 s	NW	26 km/h · 38 km/h gusts	SSW Offshore	0.9 m	Light rain · 24 °C
8 AM	Fair	2.5 m · 8 s	NW	28 km/h · 41 km/h gusts	SSW Offshore	1 m	Rain · 24 °C
9 AM	Fair	2.5 m · 8 s	NW	31 km/h · 41 km/h gusts	SSW Offshore	1.1 m	Heavy rain · 24 °C
10 AM	Fair	2.5 m · 8 s	NW	26 km/h · 43 km/h gusts	SW Offshore	1.2 m	Rain · 25 °C
11 AM	Fair	2.6 m · 8 s	NW	25 km/h · 47 km/h gusts	SW Offshore	1.3 m	Rain · 25 °C
12 PM	Fair	2.6 m · 8 s	NW	26 km/h · 51 km/h gusts	SW Offshore	1.4 m	Rain · 25 °C
1 PM	Fair	2.6 m · 8 s	NW	26 km/h · 54 km/h gusts	SW Offshore	1.4 m	Light rain · 25 °C
2 PM	Fair	2.7 m · 8 s	NW	26 km/h · 57 km/h gusts	SW Offshore	1.5 m	Rain · 25 °C
3 PM	Fair	2.7 m · 8 s	NW	26 km/h · 54 km/h gusts	SW Offshore	1.5 m	Rain · 25 °C
4 PM	Fair	2.7 m · 8 s	NW	27 km/h · 51 km/h gusts	SW Offshore	1.5 m	Rain · 25 °C
5 PM	Good	2.7 m · 8 s	NW	23 km/h · 49 km/h gusts	SW Offshore	1.5 m	Rain · 25 °C
6 PM	Fair	2.7 m · 8 s	NW	27 km/h · 52 km/h gusts	SSW Offshore	1.5 m	Rain · 25 °C
7 PM	Fair	2.7 m · 8 s	NW	28 km/h · 52 km/h gusts	SSW Offshore	1.5 m	Rain · 24 °C
8 PM	Fair	2.8 m · 8 s	NW	28 km/h · 50 km/h gusts	SSW Offshore	1.5 m	Rain · 24 °C
9 PM	Fair	2.8 m · 8 s	NW	26 km/h · 50 km/h gusts	SSW Offshore	1.5 m	Rain · 24 °C
10 PM	Good	2.8 m · 8 s	NW	25 km/h · 50 km/h gusts	SSW Offshore	1.5 m	Rain · 24 °C
11 PM	Good	2.8 m · 8 s	NW	24 km/h · 53 km/h gusts	SSW Offshore	1.4 m	Heavy rain · 24 °C