ariasurf

寺泊中央海水浴場

長岡市, 日本

Right now

Conditions at 2:00 AM Japan Standard Time.

Poor

Ankle-high (0.4 m) at 4 s, heading toward S, with moderate offshore wind toward NNW.

Swell

0.4 m

4 s

Wind

9 km/h

NNW

Offshore

Tide

0.3 m

Rising

Weather

23 °C

Light drizzle

26 °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	Poor	0.4 m · 3 s	S	6 km/h · 22 km/h gusts	NNW Offshore	0.3 m	Mostly clear · 24 °C
1 AM	Poor	0.4 m · 3 s	S	9 km/h · 26 km/h gusts	NNW Offshore	0.3 m	Overcast · 24 °C
2 AM	Poor	0.4 m · 4 s	S	9 km/h · 16 km/h gusts	NNW Offshore	0.3 m	Light drizzle · 23 °C
3 AM	Poor	0.4 m · 4 s	S	9 km/h · 16 km/h gusts	NNW Offshore	0.3 m	Light drizzle · 23 °C
4 AM	Poor	0.3 m · 4 s	S	11 km/h · 16 km/h gusts	NW Offshore	0.3 m	Light drizzle · 23 °C
5 AM	Poor	0.3 m · 4 s	S	11 km/h · 16 km/h gusts	NNW Offshore	0.3 m	Drizzle · 23 °C
6 AM	Poor	0.3 m · 4 s	S	10 km/h · 16 km/h gusts	NNW Offshore	0.4 m	Light rain · 23 °C
7 AM	Poor	0.3 m · 4 s	S	7 km/h · 13 km/h gusts	NNE Offshore	0.4 m	Overcast · 23 °C
8 AM	Poor	0.3 m · 4 s	S	7 km/h · 13 km/h gusts	N Offshore	0.4 m	Overcast · 23 °C
9 AM	Poor	0.3 m · 4 s	S	4 km/h · 23 km/h gusts	W Offshore	0.3 m	Overcast · 23 °C
10 AM	Poor	0.3 m · 4 s	S	6 km/h · 28 km/h gusts	W Cross-shore	0.3 m	Overcast · 24 °C
11 AM	Poor	0.2 m · 4 s	S	11 km/h · 31 km/h gusts	SSW Onshore	0.3 m	Partly cloudy · 24 °C
12 PM	Poor	0.2 m · 5 s	S	13 km/h · 34 km/h gusts	SW Onshore	0.3 m	Partly cloudy · 25 °C
1 PM	Poor	0.2 m · 5 s	S	17 km/h · 39 km/h gusts	SW Onshore	0.3 m	Partly cloudy · 26 °C
2 PM	Poor	0.2 m · 5 s	S	19 km/h · 41 km/h gusts	SW Onshore	0.2 m	Partly cloudy · 26 °C
3 PM	Poor	0.2 m · 5 s	S	20 km/h · 44 km/h gusts	SW Onshore	0.2 m	Partly cloudy · 26 °C
4 PM	Poor	0.2 m · 4 s	S	20 km/h · 45 km/h gusts	SW Onshore	0.2 m	Overcast · 25 °C
5 PM	Poor	0.3 m · 4 s	S	21 km/h · 44 km/h gusts	SW Onshore	0.2 m	Overcast · 25 °C
6 PM	Poor	0.4 m · 4 s	SSE	21 km/h · 39 km/h gusts	SW Onshore	0.2 m	Overcast · 25 °C
7 PM	Poor	0.5 m · 4 s	S	20 km/h · 35 km/h gusts	SW Onshore	0.2 m	Overcast · 25 °C
8 PM	Poor	0.5 m · 4 s	S	19 km/h · 32 km/h gusts	SW Cross-shore	0.3 m	Overcast · 25 °C
9 PM	Poor	0.6 m · 4 s	S	18 km/h · 29 km/h gusts	WSW Cross-shore	0.3 m	Partly cloudy · 25 °C
10 PM	Poor	0.6 m · 4 s	S	17 km/h · 27 km/h gusts	WSW Cross-shore	0.3 m	Partly cloudy · 25 °C
11 PM	Poor	0.6 m · 4 s	S	15 km/h · 26 km/h gusts	WSW Cross-shore	0.3 m	Partly cloudy · 24 °C