102
FZUS52 KJAX 081215
CWFJAX
COASTAL WATERS FORECAST FOR NORTHEAST FLORIDA/SOUTHEAST GEORGIA
NATIONAL WEATHER SERVICE JACKSONVILLE FL
815 AM EDT MON SEP 8 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.
AMZ400-090300-
SYNOPSIS FOR ALTAMAHA SOUND GA TO FLAGLER BEACH FL OUT TO 60 NM-
815 AM EDT MON SEP 8 2025
SYNOPSIS
THE AREA WILL BE BETWEEN HIGH PRESSURE TO THE NORTH, AND AN INVERTED
TROUGH OVER THE WESTERN ATLANTIC EARLY THIS WEEK. THE GRADIENT
BETWEEN THESE TWO FEATURES WILL RESULT IN A SURGE OF WINDS EXTENDING
DOWN THE COASTAL WATERS. THE GRADIENT WILL RELAX MID WEEK AS THE
HIGH AND TROUGH WEAKEN. THE HIGH WILL STRENGHTEN TO THE NORTH
NORTHEAST LATE IN THE WEEK, WITH TROUGHING TO THE SOUTHEAST. ONCE
AGAIN THE GRADIENT BETWEEN THESE FEATURES WILL WILL RESULT IN
ELEVATED WINDS.
GULF STREAM
THE APPROXIMATE LOCATION OF THE WEST WALL OF THE GULF STREAM AS OF
SEP 06, 2025 AT 1200 UTC...
50 NAUTICAL MILES EAST OF FLAGLER BEACH.
60 NAUTICAL MILES EAST OF SAINT AUGUSTINE BEACH.
61 NAUTICAL MILES EAST OF JACKSONVILLE BEACH.
71 NAUTICAL MILES EAST SOUTHEAST OF ST SIMONS ISLAND.
THIS DATA COURTESY OF THE NAVAL OCEANOGRAPHIC OFFICE.
AMZ450-470-090300-
COASTAL WATERS FROM ALTAMAHA SOUND TO FERNANDINA BEACH FL OUT
20 NM-
WATERS FROM ALTAMAHA SOUND GA TO FERNANDINA BEACH FL FROM 20 TO
60 NM-
815 AM EDT MON SEP 8 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TUESDAY NIGHT
REST OF TODAY
NORTHEAST WINDS 15 TO 20 KNOTS, INCREASING TO
20 TO 25 KNOTS WITH GUSTS UP TO 35 KNOTS THIS AFTERNOON. SEAS
4 TO 6 FEET, OCCASIONALLY TO 8 FEET. WAVE DETAIL: NORTHEAST
6 FEET AT 6 SECONDS. INTRACOASTAL WATERS ROUGH. SHOWERS LIKELY. A
CHANCE OF THUNDERSTORMS THIS MORNING, THEN THUNDERSTORMS LIKELY
THIS AFTERNOON.
TONIGHT
NORTHEAST WINDS 20 TO 25 KNOTS WITH GUSTS UP TO
35 KNOTS, DIMINISHING TO 15 TO 20 KNOTS AFTER MIDNIGHT. SEAS 5 TO
7 FEET, OCCASIONALLY TO 9 FEET. WAVE DETAIL: NORTHEAST 6 FEET AT
7 SECONDS. INTRACOASTAL WATERS ROUGH. SHOWERS AND THUNDERSTORMS
LIKELY.
TUESDAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 5 TO 6 FEET,
OCCASIONALLY TO 8 FEET. WAVE DETAIL: NORTHEAST 6 FEET AT
7 SECONDS. INTRACOASTAL WATERS CHOPPY. A CHANCE OF THUNDERSTORMS.
SHOWERS.
TUESDAY 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: NORTHEAST 6 FEET AT 7 SECONDS. INTRACOASTAL
WATERS CHOPPY. SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS.
WEDNESDAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 5 FEET,
OCCASIONALLY TO 6 FEET. WAVE DETAIL: NORTHEAST 5 FEET AT
7 SECONDS. INTRACOASTAL WATERS CHOPPY. A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS.
WEDNESDAY NIGHT
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO
5 FEET, OCCASIONALLY TO 6 FEET. WAVE DETAIL: EAST 5 FEET AT
9 SECONDS AND NORTHEAST 4 FEET AT 6 SECONDS. INTRACOASTAL WATERS
A MODERATE CHOP. A CHANCE OF SHOWERS. A SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN A CHANCE OF THUNDERSTORMS
AFTER MIDNIGHT.
THURSDAY
NORTHEAST WINDS 15 TO 20 KNOTS, DIMINISHING TO 10 TO
15 KNOTS. SEAS 3 TO 5 FEET, OCCASIONALLY TO 6 FEET. INTRACOASTAL
WATERS CHOPPY. A CHANCE OF SHOWERS IN THE MORNING. A SLIGHT
CHANCE OF THUNDERSTORMS THROUGH THE DAY. A SLIGHT CHANCE OF
SHOWERS.
FRIDAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 5 FEET,
OCCASIONALLY TO 6 FEET. INTRACOASTAL WATERS CHOPPY. A SLIGHT
CHANCE OF SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS THROUGH THE
NIGHT.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
AMZ452-472-090300-
COASTAL WATERS FROM FERNANDINA BEACH TO ST. AUGUSTINE FL OUT
20 NM-
WATERS FROM FERNANDINA BEACH TO ST. AUGUSTINE FL FROM 20 TO 60 NM-
815 AM EDT MON SEP 8 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TUESDAY NIGHT
REST OF TODAY
NORTHEAST WINDS 15 TO 20 KNOTS, INCREASING TO
20 TO 25 KNOTS THIS AFTERNOON. SEAS 3 TO 5 FEET, OCCASIONALLY TO
6 FEET. WAVE DETAIL: NORTHEAST 5 FEET AT 6 SECONDS AND EAST
2 FEET AT 9 SECONDS. INTRACOASTAL WATERS ROUGH. SHOWERS LIKELY
WITH A CHANCE OF THUNDERSTORMS THIS MORNING, THEN SHOWERS WITH
THUNDERSTORMS LIKELY THIS AFTERNOON.
TONIGHT
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 5 FEET,
OCCASIONALLY TO 6 FEET. WAVE DETAIL: NORTHEAST 5 FEET AT
6 SECONDS AND EAST 5 FEET AT 9 SECONDS. INTRACOASTAL WATERS
CHOPPY. SHOWERS. THUNDERSTORMS LIKELY, MAINLY IN THE EVENING.
TUESDAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 5 FEET,
OCCASIONALLY TO 6 FEET. WAVE DETAIL: NORTHEAST 5 FEET AT
7 SECONDS. INTRACOASTAL WATERS CHOPPY. SHOWERS. A CHANCE OF
THUNDERSTORMS IN THE MORNING, THEN THUNDERSTORMS LIKELY IN THE
AFTERNOON.
TUESDAY NIGHT
NORTHEAST WINDS 15 TO 20 KNOTS, DIMINISHING TO
10 TO 15 KNOTS AFTER MIDNIGHT. SEAS 4 TO 5 FEET, OCCASIONALLY TO
6 FEET. WAVE DETAIL: NORTHEAST 5 FEET AT 8 SECONDS. INTRACOASTAL
WATERS CHOPPY. SHOWERS WITH A CHANCE OF THUNDERSTORMS.
WEDNESDAY AND WEDNESDAY NIGHT
NORTHEAST WINDS 15 TO 20 KNOTS.
SEAS 4 TO 5 FEET, OCCASIONALLY TO 6 FEET. WAVE DETAIL: NORTHEAST
5 FEET AT 8 SECONDS AND NORTHEAST 4 FEET AT 5 SECONDS.
INTRACOASTAL WATERS CHOPPY. SHOWERS LIKELY WITH A CHANCE OF
THUNDERSTORMS.
THURSDAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 5 FEET,
OCCASIONALLY TO 6 FEET. WAVE DETAIL: EAST 5 FEET AT 9 SECONDS AND
NORTHEAST 4 FEET AT 5 SECONDS. INTRACOASTAL WATERS CHOPPY. A
CHANCE OF THUNDERSTORMS THROUGH THE DAY, THEN A SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING. A CHANCE OF SHOWERS.
FRIDAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET,
OCCASIONALLY TO 8 FEET. INTRACOASTAL WATERS CHOPPY. A CHANCE OF
SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
AMZ454-474-090300-
COASTAL WATERS FROM ST. AUGUSTINE TO FLAGLER BEACH FL OUT 20 NM-
WATERS FROM ST. AUGUSTINE TO FLAGLER BEACH FL FROM 20 TO 60 NM-
815 AM EDT MON SEP 8 2025
REST OF TODAY
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO
4 FEET, OCCASIONALLY TO 5 FEET. WAVE DETAIL: NORTHEAST 3 FEET AT
5 SECONDS AND EAST 2 FEET AT 8 SECONDS. INTRACOASTAL WATERS A
MODERATE CHOP. SHOWERS AND THUNDERSTORMS.
TONIGHT
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET,
OCCASIONALLY TO 5 FEET. WAVE DETAIL: NORTH 4 FEET AT 7 SECONDS.
INTRACOASTAL WATERS A MODERATE CHOP. SHOWERS WITH THUNDERSTORMS
LIKELY IN THE EVENING, THEN SHOWERS LIKELY WITH A CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT.
TUESDAY
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 5 FEET,
OCCASIONALLY TO 6 FEET. WAVE DETAIL: NORTH 4 FEET AT 8 SECONDS.
INTRACOASTAL WATERS A MODERATE CHOP. SHOWERS. A CHANCE OF
THUNDERSTORMS IN THE MORNING, THEN THUNDERSTORMS LIKELY IN THE
AFTERNOON.
TUESDAY NIGHT
NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 4 TO 5 FEET,
OCCASIONALLY TO 6 FEET. WAVE DETAIL: NORTHEAST 4 FEET AT
8 SECONDS. INTRACOASTAL WATERS LIGHT CHOP. SHOWERS WITH A CHANCE
OF THUNDERSTORMS.
WEDNESDAY AND WEDNESDAY NIGHT
NORTH WINDS 10 TO 15 KNOTS. SEAS
4 TO 5 FEET, OCCASIONALLY TO 6 FEET. WAVE DETAIL: NORTHEAST
5 FEET AT 9 SECONDS AND EAST 2 FEET AT 4 SECONDS. INTRACOASTAL
WATERS A MODERATE CHOP. SHOWERS WITH A CHANCE OF THUNDERSTORMS.
THURSDAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 5 FEET,
OCCASIONALLY TO 6 FEET. WAVE DETAIL: NORTHEAST 5 FEET AT
9 SECONDS AND NORTH 4 FEET AT 6 SECONDS. INTRACOASTAL WATERS
CHOPPY. SHOWERS LIKELY IN THE MORNING. A CHANCE OF THUNDERSTORMS.
A CHANCE OF SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS AFTER
MIDNIGHT.
FRIDAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET,
OCCASIONALLY TO 8 FEET. INTRACOASTAL WATERS CHOPPY. A CHANCE OF
SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS, THEN A CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
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