650
FZUS52 KJAX 192218
CWFJAX
COASTAL WATERS FORECAST FOR NORTHEAST FLORIDA/SOUTHEAST GEORGIA
NATIONAL WEATHER SERVICE JACKSONVILLE FL
518 PM EST FRI DEC 19 2025
ATLANTIC COASTAL WATERS FROM ALTAMAHA SOUND GA TO FLAGLER BEACH
FL OUT TO 60 NM.
SEAS ARE PROVIDED AS A RANGE OF THE AVERAGE HEIGHT OF THE HIGHEST
1/3 OF THE WAVES, ALONG WITH THE OCCASIONAL HEIGHT OF THE AVERAGE
HIGHEST 1/10 OF THE WAVES.
AMZ400-201330-
SYNOPSIS FOR ALTAMAHA SOUND GA TO FLAGLER BEACH FL OUT TO 60 NM-
518 PM EST FRI DEC 19 2025
SYNOPSIS
GUSTY NORTHWEST TO NORTH WINDS THIS EVENING WILL SLOWLY DIMINISH
AFTER MIDNIGHT, BECOMING NORTHEAST BY SUNRISE SATURDAY MORNING.
HIGH PRESSURE WILL SETTLE OVER THE LOCAL WATERS DURING THE WEEKEND,
ALLOWING FOR LIGHTER WINDS AND SUBSIDING SEAS. A WEAKENING COLD
FRONTAL BOUNDARY WILL APPROACH OUR REGION FROM THE NORTH ON MONDAY
AS STRONG HIGH PRESSURE BUILDS TO THE NORTH AND WEDGES DOWN THE
SOUTHEASTERN SEABOARD AS ANOTHER COASTAL TROUGH DEVELOPS OVER OUR
LOCAL WATERS. THIS FEATURE MAY DEVELOP SHOWERS OVER OUR LOCAL WATERS
EARLY NEXT WEEK AND SMALL CRAFT ADVISORY CONDITIONS BEGINNING EARLY
MONDAY AS NORTHEASTERLY WINDS SURGE, WITH ELEVATED SEAS LIKELY
PERSISTING THROUGH TUESDAY AS ONSHORE WINDS ONLY GRADUALLY SUBSIDE.
GULF STREAM
THE APPROXIMATE LOCATION OF THE WEST WALL OF THE GULF STREAM AS OF
DEC 19, 2025 AT 0000 UTC...
54 NAUTICAL MILES EAST OF FLAGLER BEACH.
58 NAUTICAL MILES EAST OF SAINT AUGUSTINE BEACH.
70 NAUTICAL MILES EAST SOUTHEAST OF JACKSONVILLE BEACH.
71 NAUTICAL MILES EAST SOUTHEAST OF ST SIMONS ISLAND.
THIS DATA DERIVED FROM NCEP GLOBAL RTOFS MODEL.
AMZ450-452-454-201330-
COASTAL WATERS FROM ALTAMAHA SOUND TO FERNANDINA BEACH FL OUT
20 NM-
COASTAL WATERS FROM FERNANDINA BEACH TO ST. AUGUSTINE FL OUT
20 NM-
COASTAL WATERS FROM ST. AUGUSTINE TO FLAGLER BEACH FL OUT 20 NM-
518 PM EST FRI DEC 19 2025
REST OF TODAY
NORTHWEST WINDS 10 TO 15 KNOTS. SEAS AROUND
4 FEET, OCCASIONALLY TO 5 FEET. WAVE DETAIL: EAST 4 FEET AT
9 SECONDS AND NORTHWEST 2 FEET AT 3 SECONDS. INTRACOASTAL WATERS
A MODERATE CHOP.
TONIGHT
NORTHWEST WINDS 15 TO 20 KNOTS, BECOMING NORTH 10 TO
15 KNOTS AFTER MIDNIGHT. SEAS 3 TO 5 FEET, OCCASIONALLY TO
6 FEET. WAVE DETAIL: EAST 4 FEET AT 9 SECONDS AND NORTH 3 FEET AT
4 SECONDS. INTRACOASTAL WATERS CHOPPY.
SATURDAY
NORTHEAST WINDS 10 TO 15 KNOTS, BECOMING NORTH 5 TO
10 KNOTS IN THE AFTERNOON. SEAS 3 TO 4 FEET, OCCASIONALLY TO
5 FEET. WAVE DETAIL: NORTH 3 FEET AT 5 SECONDS AND EAST 3 FEET AT
9 SECONDS. INTRACOASTAL WATERS A MODERATE CHOP.
SATURDAY NIGHT
NORTH WINDS AROUND 5 KNOTS. SEAS 2 TO 3 FEET.
WAVE DETAIL: EAST 3 FEET AT 9 SECONDS AND NORTHEAST 2 FEET AT
4 SECONDS. INTRACOASTAL WATERS SMOOTH.
SUNDAY
NORTH WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: EAST 3 FEET AT 9 SECONDS AND NORTHEAST 2 FEET AT
4 SECONDS. INTRACOASTAL WATERS LIGHT CHOP.
SUNDAY NIGHT
NORTHEAST WINDS 10 TO 15 KNOTS, INCREASING TO
20 TO 25 KNOTS WITH GUSTS UP TO 35 KNOTS AFTER MIDNIGHT. SEAS
2 TO 4 FEET, OCCASIONALLY TO 5 FEET, BUILDING TO 4 TO 6 FEET,
OCCASIONALLY TO 8 FEET AFTER MIDNIGHT. WAVE DETAIL: NORTHEAST
3 FEET AT 4 SECONDS AND EAST 3 FEET AT 9 SECONDS, BECOMING
NORTHEAST 5 FEET AT 5 SECONDS AND EAST 2 FEET AT 11 SECONDS.
INTRACOASTAL WATERS ROUGH.
MONDAY
NORTHEAST WINDS 20 TO 25 KNOTS, DIMINISHING TO 15 TO
20 KNOTS. SEAS 5 TO 7 FEET, OCCASIONALLY TO 9 FEET. INTRACOASTAL
WATERS ROUGH. A SLIGHT CHANCE OF SHOWERS IN THE EVENING.
TUESDAY
EAST WINDS 5 TO 10 KNOTS, BECOMING NORTHEAST. SEAS
5 TO 7 FEET, OCCASIONALLY TO 9 FEET, SUBSIDING TO 4 TO 5 FEET,
OCCASIONALLY TO 6 FEET AFTER MIDNIGHT. INTRACOASTAL WATERS LIGHT
CHOP.
AMZ470-472-474-201330-
WATERS FROM ALTAMAHA SOUND GA TO FERNANDINA BEACH FL FROM 20 TO
60 NM-
WATERS FROM FERNANDINA BEACH TO ST. AUGUSTINE FL FROM 20 TO 60 NM-
WATERS FROM ST. AUGUSTINE TO FLAGLER BEACH FL FROM 20 TO 60 NM-
518 PM EST FRI DEC 19 2025
...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 2 AM EST
SATURDAY...
REST OF TODAY
NORTHWEST WINDS 15 TO 20 KNOTS. SEAS 5 TO
6 FEET, OCCASIONALLY TO 8 FEET. WAVE DETAIL: SOUTHEAST 5 FEET AT
9 SECONDS AND NORTHWEST 3 FEET AT 4 SECONDS.
TONIGHT
NORTH WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET,
OCCASIONALLY TO 8 FEET. WAVE DETAIL: NORTH 4 FEET AT 5 SECONDS
AND SOUTHEAST 4 FEET AT 9 SECONDS.
SATURDAY
NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 4 TO 5 FEET,
OCCASIONALLY TO 6 FEET. WAVE DETAIL: EAST 4 FEET AT 9 SECONDS AND
NORTH 3 FEET AT 5 SECONDS.
SATURDAY NIGHT
EAST WINDS AROUND 5 KNOTS, BECOMING WEST AROUND
5 KNOTS AFTER MIDNIGHT. SEAS 3 TO 4 FEET, OCCASIONALLY TO 5 FEET.
WAVE DETAIL: EAST 3 FEET AT 9 SECONDS.
SUNDAY
NORTHWEST WINDS 5 TO 10 KNOTS, BECOMING NORTH 10 TO
15 KNOTS IN THE AFTERNOON. SEAS 3 TO 4 FEET, OCCASIONALLY TO
5 FEET. WAVE DETAIL: EAST 3 FEET AT 9 SECONDS AND NORTH 2 FEET AT
3 SECONDS.
SUNDAY NIGHT
NORTH WINDS 10 TO 15 KNOTS, BECOMING NORTHEAST
15 TO 20 KNOTS AFTER MIDNIGHT. SEAS 3 TO 4 FEET, OCCASIONALLY TO
5 FEET, BUILDING TO 4 TO 6 FEET, OCCASIONALLY TO 8 FEET AFTER
MIDNIGHT. WAVE DETAIL: NORTH 3 FEET AT 4 SECONDS AND EAST 3 FEET
AT 9 SECONDS, BECOMING NORTHEAST 5 FEET AT 5 SECONDS AND EAST
3 FEET AT 11 SECONDS.
MONDAY
NORTHEAST WINDS 20 TO 25 KNOTS, BECOMING EAST 15 TO
20 KNOTS. SEAS 6 TO 8 FEET, OCCASIONALLY TO 10 FEET. A SLIGHT
CHANCE OF SHOWERS.
TUESDAY
EAST WINDS 10 TO 15 KNOTS, BECOMING NORTHEAST 5 TO
10 KNOTS. SEAS 5 TO 8 FEET, OCCASIONALLY TO 10 FEET, SUBSIDING TO
5 TO 6 FEET, OCCASIONALLY TO 8 FEET AFTER MIDNIGHT.
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