ariasurf

South Beach

Town of Southold, United States

Sand

Right now

Conditions at 6:00 AM Eastern Daylight Time.

Poor

Ankle-high (0.5 m) at 3 s, heading toward NNE, with moderate cross-onshore wind toward NE.

Swell

0.5 m

NNE

3 s

Wind

10 km/h

Cross-onshore

Tide

0.6 m

Rising

Weather

22 °C

Mostly clear

22 °C water

7-day forecast

Wave height and the best conditions expected each day.

Hourly forecast

Friday, September 18, 2026

Time	Rating	Swell	Swell direction	Wind	Wind direction	Tide	Weather
12 AM	Poor	0.3 m · 4 s	NW	24 km/h · 39 km/h gusts	NNE Onshore	1 m	Overcast · 22 °C
1 AM	Poor	0.3 m · 4 s	NNW	23 km/h · 39 km/h gusts	NNE Onshore	1 m	Overcast · 22 °C
2 AM	Poor	0.4 m · 3 s	N	20 km/h · 35 km/h gusts	NE Onshore	1 m	Overcast · 22 °C
3 AM	Poor	0.4 m · 3 s	N	16 km/h · 33 km/h gusts	NE Cross-shore	1.1 m	Overcast · 22 °C
4 AM	Poor	0.5 m · 3 s	NNE	16 km/h · 26 km/h gusts	NE Onshore	0.9 m	Overcast · 22 °C
5 AM	Poor	0.5 m · 3 s	NNE	9 km/h · 13 km/h gusts	ENE Cross-shore	0.7 m	Overcast · 22 °C
6 AM	Poor	0.5 m · 3 s	NNE	10 km/h · 16 km/h gusts	NE Onshore	0.6 m	Mostly clear · 22 °C
7 AM	Poor	0.4 m · 3 s	NNE	9 km/h · 14 km/h gusts	ENE Cross-shore	0.6 m	Partly cloudy · 22 °C
8 AM	Poor	0.4 m · 3 s	N	5 km/h · 19 km/h gusts	ESE Offshore	0.6 m	Clear · 22 °C
9 AM	Poor	0.4 m · 4 s	N	7 km/h · 16 km/h gusts	SE Offshore	0.5 m	Clear · 22 °C
10 AM	Poor	0.3 m · 4 s	N	9 km/h · 18 km/h gusts	SE Offshore	0.6 m	Clear · 22 °C
11 AM	Poor	0.3 m · 4 s	N	9 km/h · 17 km/h gusts	SSE Offshore	0.8 m	Clear · 23 °C
12 PM	Poor	0.3 m · 4 s	N	5 km/h · 16 km/h gusts	NNW Onshore	1 m	Clear · 22 °C
1 PM	Poor	0.3 m · 4 s	N	14 km/h · 17 km/h gusts	N Onshore	1.1 m	Mostly clear · 22 °C
2 PM	Poor	0.3 m · 4 s	N	5 km/h · 20 km/h gusts	NE Cross-shore	1.2 m	Partly cloudy · 22 °C
3 PM	Poor	0.3 m · 4 s	N	9 km/h · 22 km/h gusts	W Cross-shore	1.3 m	Clear · 22 °C
4 PM	Poor	0.3 m · 4 s	N	12 km/h · 21 km/h gusts	NW Onshore	1.2 m	Clear · 22 °C
5 PM	Poor	0.3 m · 4 s	N	7 km/h · 22 km/h gusts	NW Onshore	1.1 m	Clear · 22 °C
6 PM	Poor	0.2 m · 4 s	N	2 km/h · 21 km/h gusts	NNW Onshore	0.9 m	Clear · 22 °C
7 PM	Poor	0.2 m · 4 s	N	5 km/h · 12 km/h gusts	ESE Offshore	0.8 m	Clear · 22 °C
8 PM	Poor	0.2 m · 4 s	N	17 km/h · 26 km/h gusts	SE Offshore	0.8 m	Clear · 22 °C
9 PM	Poor	0.2 m · 4 s	N	20 km/h · 28 km/h gusts	SSE Offshore	0.7 m	Mostly clear · 22 °C
10 PM	Poor	0.2 m · 4 s	N	28 km/h · 41 km/h gusts	S Offshore	0.6 m	Overcast · 22 °C
11 PM	Poor	0.2 m · 4 s	N	31 km/h · 44 km/h gusts	S Offshore	0.7 m	Partly cloudy · 21 °C