528
FNUS72 KNHC 190930
FWSNHC
SPOT FORECAST FOR COAST GUARD GI FORECAST...USCG
NWS NATIONAL HURRICANE CENTER MIAMI FL
1000 EDT SUN OCT 19 2025
FORECAST IS BASED ON FORECAST START TIME OF 0600 EDT ON OCTOBER 19.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NWS
NATIONAL HURRICANE CENTER/TROPICAL ANALYSIS AND FORECAST
BRANCH AT (305)229-4425.
DISCUSSION
FORECAST DISCUSSION VALID 12Z 10/19/25 - 12Z
10/20/25. OFF AND ON RAIN WILL PERSIST THROUGH THE PERIOD WITH
MOSTLY MVFR CEILINGS EXPECTED. ISOLATED THUNDERSTORMS AND GUSTY
WINDS ARE POSSIBLE DURING THE AFTERNOON HOURS. WINDS WILL REMAIN
EASTERLY BETWEEN 5 TO 12 KNOTS OVERALL, OUTSIDE OF ISOLATED GUSTY
WINDS IN THUNDERSTORM ACTIVITY.
MATTHEW TOWN (MYIG 21.0N 73.7W):
12Z-18Z BKN020 SHRA WND E 6-12KT
18Z-22Z BKN025 SHRA ISOL TSRA FL450 WND E 6-12KT.
22Z-03Z BKN025 WND E 5-10KT.
LATITUDE = 20.96
LONGITUDE = 73.69
TODAY
SKY/WEATHER.........SUNNY (15-25 PERCENT) THEN BECOMING MOSTLY
CLOUDY (75-85 PERCENT). SCATTERED SHOWERS AND
ISOLATED THUNDERSTORMS.
MAX TEMPERATURE.....AROUND 85.
SURFACE WINDS (KTS).EAST WINDS 7 TO 10 KNOTS.
SWELL HEIGHT........NORTH SWELL 1 FEET.
WAVE HEIGHT.........4 FEET.
WAVE HEIGHT.........4 FEET.
WAVE PERIOD.........5 SECONDS.
WAVE PERIOD.........5 SECONDS.
WIND WAVE...........2 FEET.
SEA SURFACE TEMP....86 DEGREES FAHRENHEIT.
TIME (EDT) 6 AM 9 AM NOON 3 PM
SKY (%).........7 37 37 81
TEMP............81 83 83 85
SFC WIND (KTS)..E 10G13 E 10G13 E 10G13 SE 7G9
SWELL HGT (FT)..N 1 N 1 N 1 N 1
WAVE PERIOD (S).5 4 4 4
WIND WAVE (FT)..2 2 2 2
WAVE HEIGHT (FT)4 4 4 4
SST (F).........86 86 86 86
TONIGHT
SKY/WEATHER.........CLOUDY (85-95 PERCENT). SCATTERED SHOWERS.
MIN TEMPERATURE.....AROUND 80.
SURFACE WINDS (KTS).EAST WINDS 9 TO 10 KNOTS.
SWELL HEIGHT........NORTH SWELL 1 FEET.
WAVE HEIGHT.........4 FEET.
WAVE HEIGHT.........4 FEET.
WAVE PERIOD.........4 SECONDS INCREASING TO 12 SECONDS EARLY IN THE
EVENING.
WAVE PERIOD.........4 SECONDS INCREASING TO 12 SECONDS EARLY IN THE
EVENING.
WIND WAVE...........2 FEET.
SEA SURFACE TEMP....86 DEGREES FAHRENHEIT.
TIME (EDT) 6 PM 9 PM MIDNGT 3 AM
SKY (%).........81 96 96 99
TEMP............85 82 82 81
SFC WIND (KTS)..E 9G11 E 9G11 E 9G11 E 9G11
SWELL HGT (FT)..N 1 N 1 N 1 N 1
WAVE PERIOD (S).4 12 12 12
WIND WAVE (FT)..2 2 2 2
WAVE HEIGHT (FT)4 4 4 4
SST (F).........86 86 86 86
MONDAY
SKY/WEATHER.........CLOUDY (90-100 PERCENT). SCATTERED
SHOWERS EARLY IN THE MORNING.
MAX TEMPERATURE.....AROUND 83.
SURFACE WINDS (KTS).EAST WINDS 8 TO 10 KNOTS.
SWELL HEIGHT........NORTH SWELL 1 FEET.
WAVE HEIGHT.........3 FEET.
WAVE HEIGHT.........3 FEET.
WAVE PERIOD.........12 SECONDS.
WAVE PERIOD.........12 SECONDS.
WIND WAVE...........2 FEET.
SEA SURFACE TEMP....86 DEGREES FAHRENHEIT.
TIME (EDT) 6 AM 9 AM NOON 3 PM
SKY (%).........99 95 95 88
TEMP............81 82 82 83
SFC WIND (KTS)..E 10G13 E 9G11 E 10G12 E 8G10
SWELL HGT (FT)..N 1 N 1 N 1 N 1
WAVE PERIOD (S).12 12 12 12
WIND WAVE (FT)..2 2 2 2
WAVE HEIGHT (FT)3 3 3 3
SST (F).........86 86 86 86
FORECASTER...AL/JW
REQUESTED BY...AIR STATION MIAMI
TYPE OF REQUEST...MARINE
.TAG 2523592.4/NHC
.DELDT 10/19/25
.FORMATTERVERSION 2.0.0
.EMAIL LANDON.W.KLOPFENSTEIN@USCG.MIL,SARAH.R.WRIGHT@USCG.MIL
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