094
FNUS72 KNHC 220921
FWSNHC
SPOT FORECAST FOR COAST GUARD GI FORECAST...USCG
NWS NATIONAL HURRICANE CENTER MIAMI FL
1000 EDT WED OCT 22 2025
FORECAST IS BASED ON FORECAST START TIME OF 0600 EDT ON OCTOBER 22.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NWS
NATIONAL HURRICANE CENTER/TROPICAL ANALYSIS AND FORECAST
BRANCH AT (305)229-4425.
DISCUSSION
FORECAST DISCUSSION VALID 12Z 10/22/25 - 12Z
10/23/25: ISOLATED THUNDERSTORMS WILL DEVELOP OVER THE AREA BY
MID-MORNING WITH INCREASING COVERAGE EXPECTED THROUGH THE DAY INTO
THE OVERNIGHT HOURS AHEAD OF TROPICAL STORM MELISSA. WHILE THE
CORE OF TS MELISSA WILL STAY WELL SOUTH OF THE AREA TODAY,
THERE WILL BE A NOTABLE INCREASE IN SURFACE WINDS BY THE MID TO
LATE MORNING. SUSTAINED WINDS OF 15 TO 20 KNOTS ARE EXPECTED,
GUSTING TO 25 TO 30 KNOTS THROUGH THE REMAINDER OF THE FORECAST
PERIOD.
MATTHEW TOWN (MYIG 21.0N 73.7W):
12Z-15Z BKN025 WND E 15G25KT.
15Z-00Z BKN025 ISOL TSRA FL450 WND E20G30KT.
00Z-12Z OVC020 TSRA FL450 WND E20G30KT.
LATITUDE = 20.96
LONGITUDE = 73.69
TODAY
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT).
MAX TEMPERATURE.....AROUND 85.
SURFACE WINDS (KTS).EAST WINDS AROUND 15 TO 20 KNOTS.
SWELL HEIGHT........NORTH SWELL 1 FEET.
WAVE HEIGHT.........3 FEET.
WAVE HEIGHT.........3 FEET.
WAVE PERIOD.........4 SECONDS.
WAVE PERIOD.........4 SECONDS.
WIND WAVE...........2 FEET.
SEA SURFACE TEMP....85 DEGREES FAHRENHEIT.
TIME (EDT) 6 AM 9 AM NOON 3 PM
SKY (%).........93 81 81 87
TEMP............82 84 84 85
SFC WIND (KTS)..E 10G15 E 14G20 E 17G23 E 17G23
SWELL HGT (FT)..N 1 N 1 N 1 N 1
WAVE PERIOD (S).4 4 4 4
WIND WAVE (FT)..2 2 2 2
WAVE HEIGHT (FT)3 3 3 3
SST (F).........85 85 85 85
TONIGHT
SKY/WEATHER.........CLOUDY (90-100 PERCENT). SCATTERED
THUNDERSTORMS EARLY IN THE EVENING.
MIN TEMPERATURE.....AROUND 80.
SURFACE WINDS (KTS).EAST WINDS 15 TO 20 KNOTS.
SWELL HEIGHT........NORTH SWELL 1 FEET.
WAVE HEIGHT.........3 FEET.
WAVE HEIGHT.........3 FEET.
WAVE PERIOD.........8 SECONDS.
WAVE PERIOD.........8 SECONDS.
WIND WAVE...........2 FEET.
SEA SURFACE TEMP....85 DEGREES FAHRENHEIT.
TIME (EDT) 6 PM 9 PM MIDNGT 3 AM
SKY (%).........87 99 99 100
TEMP............85 81 81 81
SFC WIND (KTS)..E 17G24 E 18G26 E 20G27 E 15G24
SWELL HGT (FT)..N 1 N 1 N 1 N 1
WAVE PERIOD (S).4 4 4 8
WIND WAVE (FT)..2 2 2 2
WAVE HEIGHT (FT)3 3 3 3
SST (F).........85 85 85 85
THURSDAY
SKY/WEATHER.........CLOUDY (95-100 PERCENT). SCATTERED
THUNDERSTORMS THROUGH THE DAY. SCATTERED
SHOWERS EARLY IN THE MORNING.
MAX TEMPERATURE.....AROUND 82.
SURFACE WINDS (KTS).EAST WINDS 15 TO 20 KNOTS.
SWELL HEIGHT........NORTH SWELL 1 FEET.
WAVE HEIGHT.........3 FEET.
WAVE HEIGHT.........3 FEET.
WAVE PERIOD.........11 SECONDS.
WAVE PERIOD.........11 SECONDS.
WIND WAVE...........2 FEET INCREASING TO 4 FEET EARLY IN THE
MORNING, THEN DECREASING TO 2 FEET LATE IN THE
AFTERNOON.
SEA SURFACE TEMP....85 DEGREES FAHRENHEIT.
TIME (EDT) 6 AM 9 AM NOON 3 PM
SKY (%).........100 99 99 100
TEMP............81 81 81 82
SFC WIND (KTS)..E 16G24 E 18G26 E 20G28 E 16G23
SWELL HGT (FT)..N 1 N 1 N 1 N 1
WAVE PERIOD (S).8 11 11 10
WIND WAVE (FT)..2 4 4 2
WAVE HEIGHT (FT)3 3 3 3
SST (F).........85 85 85 85
FORECASTER...AL/JW
REQUESTED BY...AIR STATION MIAMI
TYPE OF REQUEST...MARINE
.TAG 2523592.8/NHC
.DELDT 10/22/25
.FORMATTERVERSION 2.0.0
.EMAIL SARAH.R.WRIGHT@USCG.MIL,LANDON.W.KLOPFENSTEIN@USCG.MIL
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