255
FZUS52 KJAX 180019
CWFJAX
COASTAL WATERS FORECAST FOR NORTHEAST FLORIDA/SOUTHEAST GEORGIA
NATIONAL WEATHER SERVICE JACKSONVILLE FL
819 PM EDT TUE MAR 17 2026
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.
AMZ400-181530-
SYNOPSIS FOR ALTAMAHA SOUND GA TO FLAGLER BEACH FL OUT TO 60 NM-
819 PM EDT TUE MAR 17 2026
SYNOPSIS
WINDS WILL CONTINUE TO SUBSIDE AND BECOME NORTHEASTERLY BY WEDNESDAY
MORNING AS HIGH PRESSURE SHIFTS NORTHEASTWARD TOWARDS THE MID-
ATLANTIC COAST. THIS STRENGTHENING HIGH PRESSURE CENTER WILL WEDGE
DOWN THE SOUTHEASTERN SEABOARD LATER THIS WEEK, CREATING ANOTHER
ROUND OF SMALL CRAFT EXERCISE CAUTION CONDITIONS ON WEDNESDAY NIGHT
AND THURSDAY. WINDS AND SEAS ARE EXPECTED TO DIMINISH BY FRIDAY
AFTERNOON.
GULF STREAM
THE APPROXIMATE LOCATION OF THE WEST WALL OF THE GULF STREAM AS OF
MAR 17, 2026 AT 0000 UTC...
46 NAUTICAL MILES EAST OF FLAGLER BEACH.
53 NAUTICAL MILES EAST OF SAINT AUGUSTINE BEACH.
64 NAUTICAL MILES EAST SOUTHEAST OF JACKSONVILLE BEACH.
76 NAUTICAL MILES EAST SOUTHEAST OF ST SIMONS ISLAND.
THIS DATA DERIVED FROM NCEP GLOBAL RTOFS MODEL.
AMZ450-452-454-181530-
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-
819 PM EDT TUE MAR 17 2026
REST OF TONIGHT
NORTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET,
OCCASIONALLY TO 5 FEET. WAVE DETAIL: NORTH 3 FEET AT 6 SECONDS.
INTRACOASTAL WATERS A MODERATE CHOP.
WEDNESDAY
NORTH WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET,
OCCASIONALLY TO 6 FEET. WAVE DETAIL: NORTHEAST 5 FEET AT
7 SECONDS. INTRACOASTAL WATERS A MODERATE CHOP.
WEDNESDAY NIGHT
NORTH WINDS 10 TO 15 KNOTS, INCREASING TO
15 TO 20 KNOTS AFTER MIDNIGHT. SEAS 3 TO 5 FEET, OCCASIONALLY TO
6 FEET. WAVE DETAIL: NORTHEAST 5 FEET AT 7 SECONDS. INTRACOASTAL
WATERS CHOPPY.
THURSDAY
NORTH WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET,
OCCASIONALLY TO 8 FEET. WAVE DETAIL: NORTHEAST 6 FEET AT
7 SECONDS. INTRACOASTAL WATERS CHOPPY.
THURSDAY NIGHT
NORTHEAST WINDS 10 TO 15 KNOTS, BECOMING NORTH
5 TO 10 KNOTS AFTER MIDNIGHT. SEAS 3 TO 5 FEET, OCCASIONALLY TO
6 FEET. WAVE DETAIL: NORTHEAST 5 FEET AT 8 SECONDS. INTRACOASTAL
WATERS A MODERATE CHOP.
FRIDAY AND FRIDAY NIGHT
SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS
3 TO 4 FEET, OCCASIONALLY TO 5 FEET. WAVE DETAIL: EAST 4 FEET AT
9 SECONDS. INTRACOASTAL WATERS LIGHT CHOP.
SATURDAY THROUGH SUNDAY
SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS
2 TO 4 FEET, OCCASIONALLY TO 5 FEET. INTRACOASTAL WATERS LIGHT
CHOP.
AMZ470-472-474-181530-
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-
819 PM EDT TUE MAR 17 2026
REST OF TONIGHT
NORTH WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET,
OCCASIONALLY TO 6 FEET. WAVE DETAIL: NORTH 4 FEET AT 7 SECONDS.
WEDNESDAY
NORTH WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET,
OCCASIONALLY TO 6 FEET. WAVE DETAIL: NORTH 5 FEET AT 7 SECONDS.
WEDNESDAY NIGHT
NORTH WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET,
OCCASIONALLY TO 8 FEET. WAVE DETAIL: NORTH 6 FEET AT 7 SECONDS. A
SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT.
THURSDAY
NORTH WINDS 15 TO 20 KNOTS. SEAS 5 TO 7 FEET,
OCCASIONALLY TO 9 FEET. WAVE DETAIL: NORTHEAST 7 FEET AT
7 SECONDS. A SLIGHT CHANCE OF SHOWERS IN THE MORNING.
THURSDAY NIGHT AND FRIDAY
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS
4 TO 6 FEET, OCCASIONALLY TO 8 FEET. WAVE DETAIL: NORTHEAST
6 FEET AT 8 SECONDS.
FRIDAY NIGHT
SOUTHEAST WINDS AROUND 10 KNOTS, BECOMING
SOUTHWEST AFTER MIDNIGHT. SEAS 3 TO 5 FEET, OCCASIONALLY TO
6 FEET. WAVE DETAIL: EAST 4 FEET AT 9 SECONDS.
SATURDAY THROUGH SUNDAY
SOUTHWEST WINDS 10 TO 15 KNOTS. SEAS
3 TO 5 FEET, OCCASIONALLY TO 6 FEET.
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