Spot Forecast
Issued by NWS
Issued by NWS
429
FNUS72 KNHC 131319
FWSNHC
SPOT FORECAST FOR Dry Tortugas Discharge...USCG
NWS NATIONAL HURRICANE CENTER MIAMI FL
0900 EDT Thu Aug 13 2026
Forecast is based on forecast start time of 0900 EDT on August 13.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NWS
NATIONAL HURRICANE CENTER/TROPICAL ANALYSIS AND FORECAST
BRANCH AT (305)229-4425.
.DISCUSSION...The western Atlantic ridge extends westward into the
NE Gulf, and will change little through Sat before weakening on Sun.
This pattern will produce mostly light to gentle E to SE winds
across the spot forecast area along with seas 1 to 3 ft. Isolated
showers and thunderstorms are possible during this same time.
Latitude = 24.4
Longitude = -83.46
.REST OF TODAY...
Sky/weather.........Sunny (15-25 percent) then becoming partly
sunny (50-60 percent).
Max temperature.....Around 85.
Surface winds (kts).East winds up to 5 knots shifting to the
northeast around 7 knots late in the afternoon.
Swell height........East swell 1 feet.
Wave height.........2 feet.
Wave height.........2 feet.
Wave period.........4 SECONDS.
Wave period.........4 SECONDS.
Wind wave...........2 feet.
Sea surface temp....85 Degrees Fahrenheit.
TIME (EDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........19 19 19 19 19 56 56 56 56
Weather cov.....
Weather type....
Tstm cov........
Temp............84 84 84 84 84 85 85 85 85
SFC wnd dir.....SE SE E E E NE NE NE NE
SFC wnd spd kts.5 5 4 4 4 7 7 7 7
SFC wnd gst.....7 7 6 6 6 9 9 9 9
Swell direction.E E E E E E E E E
Swell hgt (ft)..1 1 1 1 1 1 1 1 1
Wave period (s).4 4 4 4 4 4 4 4 4
Wind wave (ft)..2 2 2 2 2 2 2 2 2
Wave height (ft)2 2 2 2 2 2 2 2 2
SST (F).........85 85 85 85 85 85 85 85 85
.TONIGHT...
Sky/weather.........Mostly cloudy (50-60 percent) then becoming
partly cloudy (25-35 percent) then becoming
clear (0-10 percent).
Min temperature.....Around 84.
Surface winds (kts).Northeast winds 7 to 9 knots shifting to the
east around 10 knots early in the morning.
Swell height........East swell 1 feet.
Wave height.........2 feet.
Wave height.........2 feet.
Wave period.........4 SECONDS.
Wave period.........4 SECONDS.
Wind wave...........2 feet.
Sea surface temp....85 Degrees Fahrenheit.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........56 56 31 31 31 31 31 31 4 4 4 4
Weather cov.....
Weather type....
Tstm cov........
Temp............85 85 85 85 85 85 85 85 85 85 85 85
SFC wnd dir.....NE NE NE NE NE E E E E E E E
SFC wnd spd kts.7 7 9 9 9 9 9 9 9 9 9 10
SFC wnd gst.....9 9 11 11 11 11 11 11 11 11 11 12
Swell direction.E E E E E E E E E E E E
Swell hgt (ft)..1 1 1 1 1 1 1 1 1 1 1 1
Wave period (s).4 4 4 4 4 4 4 4 4 4 4 4
Wind wave (ft)..2 2 2 2 2 2 2 2 2 2 2 2
Wave height (ft)2 2 2 2 2 2 2 2 2 2 2 2
SST (F).........85 85 85 85 85 85 85 85 85 85 85 85
.FRIDAY...
Sky/weather.........Sunny (0-10 percent).
Max temperature.....Around 85.
Surface winds (kts).East winds 7 to 10 knots shifting to the
northeast around 9 knots late in the afternoon.
Swell height........Southeast swell 1 feet.
Wave height.........2 feet.
Wave height.........2 feet.
Wave period.........4 SECONDS.
Wave period.........4 SECONDS.
Wind wave...........2 feet.
Sea surface temp....85 Degrees Fahrenheit.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........4 4 6 6 6 6 6 6 10 10 10 10
Weather cov.....
Weather type....
Tstm cov........
Temp............85 85 84 84 84 84 84 84 85 85 85 85
SFC wnd dir.....E E E E E E E E E E E NE
SFC wnd spd kts.10 10 10 10 10 8 8 8 7 7 7 9
SFC wnd gst.....12 12 12 12 12 10 10 10 9 9 9 11
Swell direction.E E SE SE SE SE SE SE SE SE SE SE
Swell hgt (ft)..1 1 1 1 1 1 1 1 1 1 1 1
Wave period (s).4 4 4 4 4 4 4 4 4 4 4 4
Wind wave (ft)..2 2 2 2 2 2 2 2 2 2 2 2
Wave height (ft)2 2 2 2 2 2 2 2 2 2 2 2
SST (F).........85 85 85 85 85 85 85 85 85 85 85 85
$$
Forecaster...BA
Requested by...Sector Key West
Type of request...MARINE
.TAG 2619010.1/NHC
.DELDT 08/13/26
.FormatterVersion 2.0.0
.EMAIL james.a.bonner@uscg.mil,Tduke@resolvemarine.com,skw@uscg.mil