ariasurf

唐船ヶ浜

上天草市, 日本

Sand

Right now

Conditions at 1:00 AM Japan Standard Time.

Poor

Flat (0.1 m) at 3 s, heading toward SE, with strong cross-onshore wind toward SSW.

Swell

0.1 m

3 s

Wind

38 km/h

SSW

Cross-onshore

Tide

3.5 m

Falling

Weather

26 °C

Mostly clear

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	Poor	0.1 m · 3 s	SE	36 km/h · 49 km/h gusts	S Onshore	3.6 m	Mostly clear · 26 °C
1 AM	Poor	0.1 m · 3 s	SE	38 km/h · 48 km/h gusts	SSW Onshore	3.5 m	Mostly clear · 26 °C
2 AM	Poor	0.1 m · 3 s	SE	38 km/h · 44 km/h gusts	S Onshore	3.4 m	Mostly clear · 25 °C
3 AM	Poor	0.1 m · 3 s	SE	39 km/h · 46 km/h gusts	S Onshore	3.2 m	Mostly clear · 25 °C
4 AM	Poor	0.1 m · 3 s	SE	41 km/h · 49 km/h gusts	S Onshore	2.9 m	Mostly clear · 25 °C
5 AM	Poor	0.1 m · 3 s	SE	43 km/h · 49 km/h gusts	S Onshore	2.7 m	Mostly clear · 25 °C
6 AM	Poor	0.1 m · 3 s	SE	44 km/h · 48 km/h gusts	S Onshore	2.5 m	Mostly clear · 25 °C
7 AM	Poor	0.1 m · 3 s	SE	42 km/h · 52 km/h gusts	S Onshore	2.4 m	Mostly clear · 25 °C
8 AM	Poor	0.1 m · 3 s	SE	41 km/h · 53 km/h gusts	S Onshore	2.4 m	Mostly clear · 25 °C
9 AM	Poor	0.1 m · 3 s	SE	42 km/h · 53 km/h gusts	S Onshore	2.5 m	Mostly clear · 25 °C
10 AM	Poor	0.1 m · 3 s	SE	42 km/h · 55 km/h gusts	SSW Onshore	2.6 m	Mostly clear · 26 °C
11 AM	Poor	0.1 m · 3 s	SE	41 km/h · 54 km/h gusts	S Onshore	2.8 m	Mostly clear · 26 °C
12 PM	Poor	0.1 m · 3 s	SE	39 km/h · 50 km/h gusts	S Onshore	3 m	Clear · 27 °C
1 PM	Poor	0.1 m · 3 s	S	38 km/h · 50 km/h gusts	S Onshore	3.1 m	Clear · 27 °C
2 PM	Poor	0.1 m · 3 s	SSW	38 km/h · 50 km/h gusts	S Onshore	3.2 m	Clear · 28 °C
3 PM	Poor	0.1 m · 3 s	SW	37 km/h · 55 km/h gusts	S Onshore	3.3 m	Clear · 28 °C
4 PM	Poor	0.1 m · 3 s	SW	38 km/h · 60 km/h gusts	S Onshore	3.4 m	Clear · 28 °C
5 PM	Poor	0.1 m · 3 s	SW	40 km/h · 61 km/h gusts	S Onshore	3.4 m	Clear · 28 °C
6 PM	Poor	0.1 m · 3 s	SW	44 km/h · 62 km/h gusts	S Onshore	3.3 m	Clear · 27 °C
7 PM	Poor	0.1 m · 3 s	SSW	47 km/h · 63 km/h gusts	S Onshore	3.3 m	Clear · 26 °C
8 PM	Poor	0.1 m · 4 s	SSE	47 km/h · 64 km/h gusts	S Onshore	3.2 m	Clear · 26 °C
9 PM	Poor	0.1 m · 4 s	ESE	46 km/h · 65 km/h gusts	SSW Onshore	3.2 m	Clear · 26 °C
10 PM	Poor	0.1 m · 4 s	ESE	45 km/h · 63 km/h gusts	SSW Onshore	3.2 m	Clear · 25 °C
11 PM	Poor	0.1 m · 4 s	SE	45 km/h · 61 km/h gusts	SSW Onshore	3.2 m	Clear · 25 °C