Spot Forecast
Issued by NWS
Issued by NWS
455
FNUS72 KNHC 151229
FWSNHC
SPOT FORECAST FOR Dry Tortugas Discharge...USCG
NWS NATIONAL HURRICANE CENTER MIAMI FL
0830 EDT Sat Aug 15 2026
Forecast is based on forecast start time of 0900 EDT on August 15.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NWS
NATIONAL HURRICANE CENTER/TROPICAL ANALYSIS AND FORECAST
BRANCH AT (305)229-4425.
.DISCUSSION...High pressure prevails across the Gulf, and will
remain in control today before weakening on Sun. This pattern will
produce mostly light to gentle E to SE winds across the spot forecast
area along with seas 2 to 4 ft. Isolated showers and thunderstorms
are possible in the SE Gulf during this same time.
Latitude = 24.4
Longitude = -83.46
.REST OF TODAY...
Sky/weather.........Mostly cloudy (80-90 percent) then becoming
mostly sunny (20-30 percent).
Max temperature.....Around 85.
Surface winds (kts).East winds 5 to 11 knots.
Swell height........East swell 3 feet.
Wave height.........3 feet subsiding to 2 feet late in the
afternoon.
Wave height.........3 feet subsiding to 2 feet late in the
afternoon.
Wave period.........2 SECONDS increasing to 5 SECONDS late in the
afternoon.
Wave period.........2 SECONDS increasing to 5 SECONDS late in the
afternoon.
Wind wave...........2 feet.
Sea surface temp....86 Degrees Fahrenheit.
TIME (EDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........86 86 86 86 86 27 27 27 27
Weather cov.....
Weather type....
Tstm cov........
Temp............85 85 85 85 85 85 85 85 85
SFC wnd dir.....E E SE SE SE E E E E
SFC wnd spd kts.11 11 9 9 9 5 5 5 6
SFC wnd gst.....16 16 12 12 12 8 8 8 9
Swell direction.SE SE SE SE SE E E E E
Swell hgt (ft)..3 3 3 3 3 2 2 2 2
Wave period (s).0 0 0 0 0 5 5 5 5
Wind wave (ft)..2 2 2 2 2 2 2 2 2
Wave height (ft)3 3 3 3 3 2 2 2 2
SST (F).........86 86 86 86 86 86 86 86 86
.TONIGHT...
Sky/weather.........Partly cloudy (20-30 percent) then becoming
mostly clear (5-15 percent).
Min temperature.....Around 84.
Surface winds (kts).East winds 6 to 12 knots.
Swell height........East swell 2 feet.
Wave height.........2 feet building to 3 feet overnight.
Wave height.........2 feet building to 3 feet overnight.
Wave period.........5 SECONDS decreasing to 2 SECONDS early in the
evening.
Wave period.........5 SECONDS decreasing to 2 SECONDS early in the
evening.
Wind wave...........2 feet increasing to 4 feet overnight.
Sea surface temp....86 Degrees Fahrenheit.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........27 27 3 3 3 3 3 3 17 17 17 17
Weather cov.....
Weather type....
Tstm cov........
Temp............85 85 85 85 85 85 85 85 85 85 85 85
SFC wnd dir.....E E E E E E E E SE SE SE SE
SFC wnd spd kts.6 6 8 8 8 10 10 10 12 12 12 10
SFC wnd gst.....9 9 11 11 11 13 13 13 17 17 17 14
Swell direction.E E E E E E E E E E E E
Swell hgt (ft)..2 2 2 2 2 2 2 2 2 2 2 2
Wave period (s).5 5 0 0 0 0 0 0 0 0 0 0
Wind wave (ft)..2 2 2 2 2 2 2 2 4 4 4 4
Wave height (ft)2 2 2 2 2 2 2 2 3 3 3 3
SST (F).........86 86 86 86 86 86 86 86 86 86 86 86
.SUNDAY...
Sky/weather.........Sunny (10-20 percent) then becoming mostly
cloudy (65-75 percent) then becoming mostly
sunny (40-50 percent).
Max temperature.....Around 86.
Surface winds (kts).East winds 9 to 10 knots.
Swell height........Southeast swell 3 feet.
Wave height.........3 feet.
Wave height.........3 feet.
Wave period.........4 SECONDS.
Wave period.........4 SECONDS.
Wind wave...........4 feet decreasing to 2 feet early in the
morning.
Sea surface temp....86 Degrees Fahrenheit.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........17 17 71 71 71 71 71 71 46 46 46 46
Weather cov.....
Weather type....
Tstm cov........
Temp............85 85 85 85 85 85 85 85 86 86 86 86
SFC wnd dir.....SE SE E E E E E E E E E E
SFC wnd spd kts.10 10 10 10 10 9 9 9 10 10 10 10
SFC wnd gst.....14 14 13 13 13 12 12 12 13 13 13 14
Swell direction.E E E E E E E E SE SE SE SE
Swell hgt (ft)..2 2 3 3 3 3 3 3 3 3 3 3
Wave period (s).0 0 0 0 0 0 0 0 0 0 0 0
Wind wave (ft)..4 4 2 2 2 2 2 2 2 2 2 2
Wave height (ft)3 3 3 3 3 3 3 3 3 3 3 3
SST (F).........86 86 86 86 86 86 86 86 86 86 86 86
$$
Forecaster...BA
Requested by...Sector Key West
Type of request...MARINE
.TAG 2619010.3/NHC
.DELDT 08/15/26
.FormatterVersion 2.0.0
.EMAIL james.a.bonner@uscg.mil,Tduke@resolvemarine.com,skw@uscg.mil,michael.folmer@noaa.gov