ariasurf

北条海水浴場

館山市, 日本

Sand

Right now

Conditions at 3:00 AM Japan Standard Time.

Fair

Overhead (2.3 m) at 8 s, heading toward NW, with moderate cross-shore wind toward SSW.

Swell

2.3 m

8 s

Wind

13 km/h

SSW

Cross-shore

Tide

0.9 m

Falling

Weather

23 °C

Light rain

25 °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	Fair	2.3 m · 8 s	NW	12 km/h · 41 km/h gusts	SSW Cross-shore	1.2 m	Light drizzle · 23 °C
1 AM	Good	2.3 m · 8 s	NW	13 km/h · 40 km/h gusts	SSW Offshore	1.1 m	Light drizzle · 23 °C
2 AM	Good	2.3 m · 8 s	NW	13 km/h · 41 km/h gusts	SSW Offshore	1 m	Light drizzle · 23 °C
3 AM	Fair	2.3 m · 8 s	NW	13 km/h · 42 km/h gusts	SSW Cross-shore	0.9 m	Light rain · 23 °C
4 AM	Good	2.4 m · 8 s	NW	13 km/h · 37 km/h gusts	SSW Offshore	0.9 m	Rain · 23 °C
5 AM	Fair	2.4 m · 8 s	NW	12 km/h · 41 km/h gusts	SSW Cross-shore	0.8 m	Rain · 23 °C
6 AM	Fair	2.4 m · 8 s	NW	13 km/h · 41 km/h gusts	SSW Cross-shore	0.9 m	Rain · 23 °C
7 AM	Good	2.4 m · 8 s	NW	15 km/h · 43 km/h gusts	SSW Offshore	0.9 m	Rain · 23 °C
8 AM	Good	2.4 m · 8 s	NW	15 km/h · 45 km/h gusts	SSW Offshore	1 m	Rain · 23 °C
9 AM	Good	2.4 m · 8 s	NW	12 km/h · 50 km/h gusts	SSW Offshore	1.1 m	Rain · 24 °C
10 AM	Good	2.5 m · 8 s	NW	11 km/h · 50 km/h gusts	SSW Cross-shore	1.2 m	Heavy rain · 24 °C
11 AM	Good	2.5 m · 8 s	NW	12 km/h · 48 km/h gusts	SSW Offshore	1.3 m	Heavy rain · 25 °C
12 PM	Good	2.6 m · 8 s	NW	17 km/h · 48 km/h gusts	SW Offshore	1.4 m	Rain · 24 °C
1 PM	Good	2.6 m · 8 s	NW	16 km/h · 54 km/h gusts	SW Offshore	1.5 m	Rain · 24 °C
2 PM	Good	2.6 m · 8 s	NW	15 km/h · 59 km/h gusts	SW Offshore	1.5 m	Rain · 24 °C
3 PM	Good	2.7 m · 8 s	NW	15 km/h · 57 km/h gusts	SW Offshore	1.5 m	Light rain · 24 °C
4 PM	Good	2.7 m · 8 s	NW	15 km/h · 57 km/h gusts	SW Offshore	1.5 m	Light rain · 24 °C
5 PM	Good	2.7 m · 8 s	NW	13 km/h · 55 km/h gusts	SW Offshore	1.5 m	Rain · 24 °C
6 PM	Good	2.7 m · 8 s	NW	15 km/h · 53 km/h gusts	SW Offshore	1.5 m	Heavy rain · 24 °C
7 PM	Good	2.7 m · 8 s	NW	15 km/h · 50 km/h gusts	SW Offshore	1.5 m	Heavy rain · 24 °C
8 PM	Good	2.7 m · 8 s	NW	15 km/h · 48 km/h gusts	SW Offshore	1.5 m	Rain · 24 °C
9 PM	Good	2.7 m · 8 s	NW	14 km/h · 48 km/h gusts	SW Offshore	1.5 m	Light rain · 24 °C
10 PM	Good	2.8 m · 8 s	NW	13 km/h · 42 km/h gusts	SW Offshore	1.5 m	Light rain · 24 °C
11 PM	Good	2.8 m · 8 s	NW	13 km/h · 43 km/h gusts	SSW Offshore	1.5 m	Rain · 24 °C