931
FNUS72 KNHC 170932
FWSNHC

SPOT FORECAST FOR Coast Guard GI Forecast...USCG
NWS NATIONAL HURRICANE CENTER MIAMI FL
1000 EDT Fri Oct 17 2025

Forecast is based on forecast start time of 0600 EDT on October 17.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NWS
NATIONAL HURRICANE CENTER/TROPICAL ANALYSIS AND FORECAST
BRANCH AT (305)229-4425.

.DISCUSSION...Forecast discussion valid 12Z 10/17/25 - 12Z
10/18/25: MYIG will remain void of any precipitation as skies will
remain VFR through the entire period. Winds should also remain
light 5-10 kt shifting from NNW to NE through the period.

Matthew Town (MYIG 21.0N 73.7W):
12Z-14Z SCT015-020. OCNL SCT015-020 SCT070. WND NNW 5-10KT.
14Z-04Z SKC. OCNL SCT020-025. WND NNE 5-10KT.
04Z-12Z. SCT015-020. OCNL SCT015-020 SCT040. WND NE 5-10KT.

 Latitude = 20.96
 Longitude = 73.69

.TODAY...

Sky/weather.........Sunny (20-30 percent).
Max temperature.....Around 83.
Surface winds (kts).North winds around 4 knots early in the morning
                    becoming light, then becoming north 5 to 6
                    knots late in the afternoon.
Swell height........North swell 1 feet.
Wave height.........2 feet.
Wave height.........2 feet.
Wave period.........9 SECONDS.
Wave period.........9 SECONDS.
Wind wave...........2 feet.
Sea surface temp....86 Degrees Fahrenheit.

TIME (EDT)      6 AM      9 AM      NOON      3 PM
Sky (%).........38        10        10        19
Weather type....NONE      NONE      NONE      NONE
Temp............82        82        82        83
SFC wind (kts)..NNW 4G5   N 3G4     NNE 3G4   NNE 5G7
Swell hgt (ft)..N 1       N 1       N 1       N 1
Wave period (s).9         9         9         9
Wind wave (ft)..1         1         1         2
Wave height (ft)2         2         2         2
SST (F).........86        86        86        86

.TONIGHT...

Sky/weather.........Mostly clear (15-25 percent).
Min temperature.....Around 80.
Surface winds (kts).Northeast winds around 6 knots shifting to the
                    east 6 to 7 knots late in the evening.
Swell height........North swell 0 feet.
Wave height.........2 feet.
Wave height.........2 feet.
Wave period.........9 SECONDS.
Wave period.........9 SECONDS.
Wind wave...........2 feet.
Sea surface temp....86 Degrees Fahrenheit.

TIME (EDT)      6 PM      9 PM      MIDNGT    3 AM
Sky (%).........19        26        26        10
Weather type....NONE      NONE      NONE      NONE
Temp............83        81        81        80
SFC wind (kts)..NNE 6G8   NE 6G9    NE 7G9    E 6G9
Swell hgt (ft)..N 1       N 0       N 0       N 0
Wave period (s).9         9         9         9
Wind wave (ft)..2         2         2         2
Wave height (ft)2         2         2         2
SST (F).........86        86        86        86

.SATURDAY...

Sky/weather.........Sunny (10-20 percent). Scattered showers and
                    isolated thunderstorms early in the morning.
Max temperature.....Around 85.
Surface winds (kts).East winds 5 to 7 knots.
Swell height........North swell 0 feet.
Wave height.........2 feet building to 3 feet late in the
                    afternoon.
Wave height.........2 feet building to 3 feet late in the
                    afternoon.
Wave period.........9 SECONDS.
Wave period.........9 SECONDS.
Wind wave...........2 feet.
Sea surface temp....86 Degrees Fahrenheit.

TIME (EDT)      6 AM      9 AM      NOON      3 PM
Sky (%).........10        3         3         26
Weather cov.....          SCTTRD    SCTTRD    SCTTRD
Weather type....NONE      RNSHWR    RNSHWR    RNSHWR
Tstm cov........          ISOLTD    ISOLTD    ISOLTD
Temp............80        83        83        85
SFC wind (kts)..E 6G9     E 7G9     E 6G8     E 5G7
Swell hgt (ft)..N 0       N 0       N 0       N 1
Wave period (s).9         8         8         8
Wind wave (ft)..2         2         2         2
Wave height (ft)2         2         2         2
SST (F).........86        86        86        86

$$
Forecaster...AL/DB
Requested by...Air Station Miami
Type of request...MARINE
.TAG 2523592.2/NHC
.DELDT 10/17/25
.FormatterVersion 2.0.0
.EMAIL landon.w.klopfenstein@uscg.mil,sarah.r.wright@uscg.mil