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

  • WEATHER - LIVE
    80° SSE @ 10 → 11mph
  • LOW / HIGH TIDE
    10:54pm / 1:53pm
  • BUOY 42039
    ESE1.3ft @ 3s
  • WATER TEMP
    75° Trunks/Bikini

Forecast

Surf
Swell
5 day
16 day
  • 8ft
  • 6ft
  • 4ft
  • 2ft
SUN 17
MON 18
TUE 19
WED 20
THU 21
2am
  • Clean
  • Fair
  • Choppy
Conditions are flat and fair at 2am on Sun 5/17
Compass Map
Forecast Compass Compass Wind Arrow Compass Primary Swell Arrow Compass Secondary Swell Arrow
Wind Arrow
WIND S 7 mph
Primary Swell Arrow
PRIMARY SSW (193) 0.3 ft @ 8 sec
Secondary Swell Arrow
SECONDARY ESE (114) 0.6 ft @ 4 sec
TIDE LEVEL
High Tide, 5.3 ft

Forecast Details

Basic
Detail
  • Sunday, May 17
    SURF WIND SWELL
    6am
    flat
    clean
    SSE
    3mph
    0.3ft
    8s
    SSW
    12pm
    flat
    fair
    SSE
    4mph
    0.3ft
    8s
    SSW
    6pm
    0-1 ft
    fair
    SSE
    6mph
    0.3ft
    7s
    SSW
  • Monday, May 18
    SURF WIND SWELL
    6am
    0-1 ft
    choppy
    E
    9mph
    1ft
    3s
    SE
    12pm
    1+ ft
    choppy
    ESE
    13mph
    2.6ft
    4s
    SE
    6pm
    1-2 ft
    choppy
    E
    9mph
    2.7ft
    5s
    SSE
  • Tuesday, May 19
    SURF WIND SWELL
    6am
    1-2 ft
    choppy
    E
    12mph
    2.4ft
    6s
    SSE
    12pm
    2 ft
    choppy
    E
    10mph
    2.8ft
    6s
    SSE
    6pm
    1+ ft
    fair
    ESE
    6mph
    2ft
    5s
    SSE
  • Wednesday, May 20
    SURF WIND SWELL
    6am
    1+ ft
    clean
    ENE
    3mph
    1.8ft
    6s
    S
    12pm
    1+ ft
    choppy
    SE
    7mph
    1.7ft
    6s
    S
    6pm
    1 ft
    fair
    S
    7mph
    1.7ft
    5s
    SSE
  • Best Surf Trip
    This Week’s Swell? You Could Be On It.
  • Thursday, May 21
    SURF WIND SWELL
    6am
    0-1 ft
    choppy
    ESE
    6mph
    1ft
    6s
    SSW
    12pm
    1 ft
    fair
    S
    6mph
    1.4ft
    6s
    S
    6pm
    1 ft
    choppy
    S
    8mph
    1.2ft
    5s
    S
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This forecast is for beaches with direct offshore winds from North to North-North-West, and was updated May 17, 2026 @ 3:16pm.
Read more about the Surf Captain forecasts.