ariasurf

South Beach

Key Largo, United States

Right now

Conditions at 1:00 PM Eastern Daylight Time.

Poor

Flat (0.3 m) at 3 s, heading toward WNW, with moderate onshore wind toward W.

Swell

0.3 m

WNW

3 s

Wind

14 km/h

Onshore

Tide

0.6 m

Rising

Weather

30 °C

Clear

31 °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	0.4 m · 3 s	WNW	7 km/h · 18 km/h gusts	W Onshore	0.7 m	Partly cloudy · 25 °C
1 AM	Poor	0.4 m · 3 s	WNW	22 km/h · 30 km/h gusts	WSW Onshore	0.7 m	Mostly clear · 26 °C
2 AM	Poor	0.3 m · 3 s	WNW	16 km/h · 25 km/h gusts	WSW Onshore	0.7 m	Clear · 26 °C
3 AM	Poor	0.3 m · 3 s	WNW	14 km/h · 21 km/h gusts	W Onshore	0.7 m	Overcast · 27 °C
4 AM	Poor	0.3 m · 3 s	NW	15 km/h · 22 km/h gusts	SW Onshore	0.6 m	Mostly clear · 26 °C
5 AM	Poor	0.2 m · 3 s	NW	13 km/h · 18 km/h gusts	W Onshore	0.6 m	Clear · 26 °C
6 AM	Poor	0.2 m · 3 s	NW	12 km/h · 14 km/h gusts	WSW Onshore	0.5 m	Clear · 26 °C
7 AM	Poor	0.3 m · 3 s	WNW	2 km/h · 9 km/h gusts	WSW Onshore	0.4 m	Overcast · 26 °C
8 AM	Poor	0.3 m · 3 s	WNW	12 km/h · 13 km/h gusts	WSW Onshore	0.4 m	Partly cloudy · 27 °C
9 AM	Poor	0.3 m · 3 s	WNW	17 km/h · 22 km/h gusts	WSW Onshore	0.4 m	Partly cloudy · 28 °C
10 AM	Poor	0.2 m · 3 s	WNW	11 km/h · 18 km/h gusts	WSW Onshore	0.4 m	Clear · 28 °C
11 AM	Poor	0.2 m · 3 s	WNW	13 km/h · 16 km/h gusts	SW Onshore	0.4 m	Mostly clear · 29 °C
12 PM	Poor	0.2 m · 3 s	WNW	13 km/h · 17 km/h gusts	WSW Onshore	0.5 m	Mostly clear · 30 °C
1 PM	Poor	0.3 m · 3 s	WNW	14 km/h · 17 km/h gusts	W Onshore	0.6 m	Clear · 30 °C
2 PM	Poor	0.3 m · 3 s	WNW	16 km/h · 19 km/h gusts	W Onshore	0.6 m	Overcast · 30 °C
3 PM	Poor	0.3 m · 3 s	WNW	48 km/h · 61 km/h gusts	WNW Onshore	0.6 m	Showers · 26 °C
4 PM	Poor	0.3 m · 3 s	WNW	15 km/h · 18 km/h gusts	NNW Onshore	0.6 m	Overcast · 26 °C
5 PM	Poor	0.3 m · 3 s	WNW	8 km/h · 10 km/h gusts	NE Offshore	0.6 m	Overcast · 27 °C
6 PM	Poor	0.3 m · 3 s	WNW	23 km/h · 31 km/h gusts	SE Offshore	0.5 m	Overcast · 25 °C
7 PM	Poor	0.3 m · 3 s	WNW	21 km/h · 33 km/h gusts	SSE Offshore	0.5 m	Heavy drizzle · 24 °C
8 PM	Poor	0.3 m · 3 s	WNW	6 km/h · 7 km/h gusts	NNW Onshore	0.5 m	Heavy drizzle · 24 °C
9 PM	Poor	0.3 m · 4 s	WNW	16 km/h · 21 km/h gusts	NW Onshore	0.5 m	Overcast · 24 °C
10 PM	Poor	0.3 m · 4 s	NW	12 km/h · 15 km/h gusts	WSW Onshore	0.5 m	Overcast · 25 °C
11 PM	Poor	0.2 m · 4 s	NW	16 km/h · 25 km/h gusts	SSW Cross-shore	0.6 m	Overcast · 25 °C