796
FZUS52 KJAX 160849
CWFJAX
COASTAL WATERS FORECAST FOR NORTHEAST FLORIDA/SOUTHEAST GEORGIA
NATIONAL WEATHER SERVICE JACKSONVILLE FL
449 AM EDT WED SEP 16 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.
AMZ400-170000-
SYNOPSIS FOR ALTAMAHA SOUND GA TO FLAGLER BEACH FL OUT TO 60 NM-
449 AM EDT WED SEP 16 2026
SYNOPSIS
LOCAL PRESSURE GRADIENT REMAINS TIGHT AS HIGH PRESSURE RIDGING
BUILDS DOWN THE EASTERN SEABOARD IN THE WAKE OF A COOL FRONT. SMALL
CRAFT ADVISORY CONDITIONS WITH BREEZY NORTHEAST WINDS AND ELEVATED
SEAS WILL CONTINUE ACROSS AREA WATERS THROUGH THURSDAY. WAVES OF
ISOLATED TO SCATTERED SHOWERS AND A FEW THUNDERSTORMS WILL MOVE OVER
THE AREA WATERS THROUGH MUCH OF THE WEEK. IMPROVING CONDITIONS ARE
EXPECTED BY FRIDAY AS ONSHORE WINDS WEAKEN AND SEAS GRADUALLY LOWER.
GULF STREAM
THE APPROXIMATE LOCATION OF THE WEST WALL OF THE GULF STREAM AS OF
SEP 15, 2026 AT 0000 UTC...
50 NAUTICAL MILES EAST OF FLAGLER BEACH.
53 NAUTICAL MILES EAST OF SAINT AUGUSTINE BEACH.
64 NAUTICAL MILES EAST SOUTHEAST OF JACKSONVILLE BEACH.
71 NAUTICAL MILES EAST SOUTHEAST OF ST SIMONS ISLAND.
THIS DATA DERIVED FROM NCEP GLOBAL RTOFS MODEL.
AMZ450-452-454-170000-
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-
449 AM EDT WED SEP 16 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
TODAY
NORTHEAST WINDS 15 TO 20 KNOTS, INCREASING TO 20 TO
25 KNOTS THIS AFTERNOON. SEAS 5 TO 7 FEET, OCCASIONALLY TO 8
FEET. WAVE DETAIL: NORTHEAST 6 FEET AT 7 SECONDS. INTRACOASTAL
WATERS ROUGH. A SLIGHT CHANCE OF SHOWERS THIS AFTERNOON.
TONIGHT
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 5 TO 7 FEET,
OCCASIONALLY TO 8 FEET. WAVE DETAIL: NORTHEAST 6 FEET AT 7
SECONDS. INTRACOASTAL WATERS CHOPPY. A SLIGHT CHANCE OF SHOWERS IN
THE EVENING.
THURSDAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET,
OCCASIONALLY TO 8 FEET. WAVE DETAIL: EAST 6 FEET AT 7 SECONDS.
INTRACOASTAL WATERS CHOPPY. A SLIGHT CHANCE OF SHOWERS. A SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
THURSDAY NIGHT
NORTHEAST WINDS 15 TO 20 KNOTS, DIMINISHING TO
10 TO 15 KNOTS AFTER MIDNIGHT. SEAS 4 TO 6 FEET, OCCASIONALLY TO
8 FEET. WAVE DETAIL: EAST 6 FEET AT 7 SECONDS. INTRACOASTAL
WATERS CHOPPY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
FRIDAY
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET,
OCCASIONALLY TO 5 FEET. WAVE DETAIL: EAST 4 FEET AT 7 SECONDS.
INTRACOASTAL WATERS A MODERATE CHOP. A SLIGHT CHANCE OF
THUNDERSTORMS. A CHANCE OF SHOWERS, MAINLY IN THE MORNING.
FRIDAY NIGHT
EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET,
OCCASIONALLY TO 5 FEET. WAVE DETAIL: EAST 4 FEET AT 7 SECONDS.
INTRACOASTAL WATERS LIGHT CHOP. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
SATURDAY
NORTHEAST WINDS 10 TO 15 KNOTS, BECOMING EAST 5 TO
10 KNOTS. SEAS 2 TO 3 FEET. INTRACOASTAL WATERS A MODERATE CHOP.
A CHANCE OF SHOWERS AND THUNDERSTORMS.
SUNDAY
EAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
INTRACOASTAL WATERS LIGHT CHOP. SHOWERS LIKELY AND A SLIGHT
CHANCE OF THUNDERSTORMS.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
AMZ470-472-474-170000-
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-
449 AM EDT WED SEP 16 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
TODAY
NORTHEAST WINDS 15 TO 20 KNOTS, INCREASING TO 20 TO
25 KNOTS THIS AFTERNOON. SEAS 6 TO 7 FEET, OCCASIONALLY TO
9 FEET. WAVE DETAIL: NORTHEAST 6 FEET AT 8 SECONDS. A SLIGHT
CHANCE OF SHOWERS THIS AFTERNOON.
TONIGHT
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 5 TO 7 FEET,
OCCASIONALLY TO 8 FEET. WAVE DETAIL: NORTHEAST 6 FEET AT 7
SECONDS. A SLIGHT CHANCE OF SHOWERS IN THE EVENING.
THURSDAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 5 TO 6 FEET,
OCCASIONALLY TO 8 FEET. WAVE DETAIL: NORTHEAST 6 FEET AT
8 SECONDS. A SLIGHT CHANCE OF SHOWERS. A SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON.
THURSDAY NIGHT
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO
6 FEET, OCCASIONALLY TO 8 FEET. WAVE DETAIL: EAST 6 FEET AT
8 SECONDS. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
FRIDAY
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 5 FEET,
OCCASIONALLY TO 6 FEET. WAVE DETAIL: EAST 5 FEET AT 7 SECONDS. A
CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS.
FRIDAY NIGHT
EAST WINDS 5 TO 10 KNOTS. SEAS 3 TO 4 FEET,
OCCASIONALLY TO 5 FEET. WAVE DETAIL: EAST 4 FEET AT 7 SECONDS.
A CHANCE OF SHOWERS AND THUNDERSTORMS.
SATURDAY THROUGH SUNDAY
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS
2 TO 3 FEET. SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
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