The surf forecast is flat right now for Cape San Blas South, FL

WEATHER FORECAST
81° NE @ 2mph
LOW / HIGH TIDE
7:10am / 5:00am
BUOY 42039
ENE1ft @ 4s
WATER TEMP
84° Trunks/Bikini

Forecast

MON 21

TUE 22

WED 23

THU 24

3am

Clean
Fair
Choppy

Conditions are flat and clean at 3am on Mon 9/21

WINDNE 2 mph

PRIMARYS (186) 0.2 ft @ 7 sec

SECONDARYSSE (168) 0.2 ft @ 4 sec

TIDE LEVEL

Incoming High Tide,1.7 ft

Forecast Details

Basic

Detail

Forecast

History

Monday, Sep 21
SURF WIND SWELL
6am
flat
clean

NE

5mph
0.2ft
7s
S
12pm
flat
fair

ENE

5mph
0.2ft
7s
S
6pm
flat
fair

SSE

8mph
0.2ft
7s
S

Tuesday, Sep 22
SURF WIND SWELL
6am
flat
clean

NE

4mph
0.2ft
7s
S
12pm
flat
clean

NE

4mph
0.3ft
8s
S
6pm
0-1 ft
fair

SE

4mph
0.3ft
8s
S

Wednesday, Sep 23
SURF WIND SWELL
6am
flat
clean

NE

5mph
0.3ft
8s
S
12pm
flat
clean

NNE

3mph
0.3ft
7s
S
6pm
flat
clean

S

3mph
0.2ft
7s
S

Thursday, Sep 24
SURF WIND SWELL
6am
flat
clean

NE

8mph
0.2ft
7s
S
12pm
flat
choppy

ENE

10mph
0.2ft
7s
SSW
6pm
0-1 ft
fair

E

4mph
1.3ft
4s
ESE

Friday, Sep 25
SURF WIND SWELL
6am
0-1 ft
fair

NE

14mph
2.3ft
5s
ESE
12pm
1 ft
choppy

ENE

10mph
1.9ft
5s
ESE
6pm
1 ft
fair

SSW

5mph
1.2ft
7s
S

	SURF	WIND	SWELL
6am	flat clean	NE 5mph	0.2ft 7s S
12pm	flat fair	ENE 5mph	0.2ft 7s S
6pm	flat fair	SSE 8mph	0.2ft 7s S

	SURF	WIND	SWELL
6am	flat clean	NE 4mph	0.2ft 7s S
12pm	flat clean	NE 4mph	0.3ft 8s S
6pm	0-1 ft fair	SE 4mph	0.3ft 8s S

	SURF	WIND	SWELL
6am	flat clean	NE 5mph	0.3ft 8s S
12pm	flat clean	NNE 3mph	0.3ft 7s S
6pm	flat clean	S 3mph	0.2ft 7s S

	SURF	WIND	SWELL
6am	flat clean	NE 8mph	0.2ft 7s S
12pm	flat choppy	ENE 10mph	0.2ft 7s SSW
6pm	0-1 ft fair	E 4mph	1.3ft 4s ESE

	SURF	WIND	SWELL
6am	0-1 ft fair	NE 14mph	2.3ft 5s ESE
12pm	1 ft choppy	ENE 10mph	1.9ft 5s ESE
6pm	1 ft fair	SSW 5mph	1.2ft 7s S

Check 16-days forecast with
Surf Captain Pro

Upgrade to Pro

This forecast is for beaches with direct offshore winds from North to North-North-West, and was updated Sep 20, 2026 @ 9:06pm.

Read more about the Surf Captain forecasts.

Forecast Services

Surf Captain Mobile

Surf Captain Widgets

Add Surf Captain Widgets to your website. Choose from two different widget types to provide the 3 day surf forecast or current conditions on your site.

View Service

Surf Etiquette Guide

We created the Surf Captain Surf Etiquette guide to hand out to surf schools and surf shops to help educate the new wave of beginner surfers. Free for those willing to help educate.

View Service

Cross Promotional Tide Charts

The Surf Captain cross promotional tide charts offer you and your business and easy and inexpensive way to market your brand. The tide charts are 3 months front, and 3 months back, with your logo and business info on the top of each side.

View Service

Surf Captain Mini Handbook

The Surf Captain Mini Handbooks - A Simple Guide to Surf Forecasting. The Mini Handbook is a trifold brochure providing the basic understandings of ocean wave science and surf forecasting.

View Service