869
FZUS52 KJAX 100149 AAA
CWFJAX
COASTAL WATERS FORECAST FOR NORTHEAST FLORIDA/SOUTHEAST GEORGIA...UPDATED
NATIONAL WEATHER SERVICE JACKSONVILLE FL
949 PM EDT TUE SEP 9 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.
AMZ400-101700-
SYNOPSIS FOR ALTAMAHA SOUND GA TO FLAGLER BEACH FL OUT TO 60 NM-
949 PM EDT TUE SEP 9 2025
SYNOPSIS
STRONG HIGH PRESSURE CENTERED OVER NEW ENGLAND WILL CONTINUE TO
WEDGE DOWN THE SOUTHEASTERN SEABOARD AS LOW PRESSURE ORGANIZES OFF
THE CAROLINA COAST LATER TONIGHT AND THEN ACCELERATES NORTH
NORTHEASTWARD ON WEDNESDAY. A FRONTAL BOUNDARY CURRENTLY EXTENDING
ACROSS NORTH CENTRAL FLORIDA WILL SLOWLY SINK SOUTHWARD THROUGH
FRIDAY. SMALL CRAFT ADVISORY CONDITIONS HAVE EXPANDED TO THE
WATERS SOUTH OF ST. AUGUSTINE LATE THIS EVENING, WITH THESE
CONDITIONS EXPECTED TO CONTINUE OVERNIGHT. SEAS WILL ONLY SLOWLY
SUBSIDE THROUGH LATE THIS WEEK AS BREEZY ONSHORE WINDS PERSIST.
COASTAL TROUGHING WILL SHARPEN LATE THIS WEEK AND THIS WEEKEND,
RESULTING IN ANOTHER ROUND OF STRENGTHENING ONSHORE WINDS AND
POTENTIAL SMALL CRAFT ADVISORY CONDITIONS DURING THE WEEKEND. THIS
TROUGH WILL LIKELY ORGANIZE INTO ANOTHER LOW PRESSURE CENTER OFF
THE SOUTHEASTERN SEABOARD BY LATE IN THE WEEKEND, KEEPING ELEVATED
WINDS AND SEAS IN PLACE ACROSS OUR LOCAL WATERS.
GULF STREAM
THE APPROXIMATE LOCATION OF THE WEST WALL OF THE GULF STREAM AS OF
SEP 09, 2025 AT 1200 UTC...
50 NAUTICAL MILES EAST OF FLAGLER BEACH.
59 NAUTICAL MILES EAST OF SAINT AUGUSTINE BEACH.
68 NAUTICAL MILES EAST OF JACKSONVILLE BEACH.
84 NAUTICAL MILES EAST SOUTHEAST OF ST SIMONS ISLAND.
THIS DATA COURTESY OF THE NAVAL OCEANOGRAPHIC OFFICE.
AMZ450-470-101700-
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-
949 PM EDT TUE SEP 9 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EDT WEDNESDAY
REST OF TONIGHT
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 6 TO
8 FEET, OCCASIONALLY TO 10 FEET, SUBSIDING TO 5 TO 6 FEET,
OCCASIONALLY TO 8 FEET LATE. WAVE DETAIL: NORTHEAST 7 FEET AT
8 SECONDS, BECOMING NORTHEAST 6 FEET AT 8 SECONDS. INTRACOASTAL
WATERS CHOPPY. A CHANCE OF SHOWERS.
WEDNESDAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET,
OCCASIONALLY TO 8 FEET. WAVE DETAIL: NORTHEAST 6 FEET AT 9
SECONDS AND NORTHEAST 5 FEET AT 6 SECONDS. INTRACOASTAL WATERS
CHOPPY. A CHANCE OF SHOWERS IN THE MORNING, THEN A SLIGHT CHANCE
OF SHOWERS IN THE AFTERNOON.
WEDNESDAY NIGHT
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5
FEET, OCCASIONALLY TO 6 FEET. WAVE DETAIL: NORTHEAST 4 FEET AT 6
SECONDS AND EAST 4 FEET AT 9 SECONDS. INTRACOASTAL WATERS A
LIGHT CHOP. A SLIGHT CHANCE OF SHOWERS.
THURSDAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 4 FEET,
OCCASIONALLY TO 5 FEET. WAVE DETAIL: NORTHEAST 4 FEET AT 5
SECONDS AND EAST 4 FEET AT 9 SECONDS. INTRACOASTAL WATERS CHOPPY.
A SLIGHT CHANCE OF SHOWERS.
THURSDAY NIGHT
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 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
LIGHT CHOP. A SLIGHT CHANCE OF SHOWERS.
FRIDAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET,
OCCASIONALLY TO 6 FEET. WAVE DETAIL: NORTHEAST 4 FEET AT
5 SECONDS AND EAST 2 FEET AT 8 SECONDS. INTRACOASTAL WATERS
CHOPPY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON.
FRIDAY NIGHT
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET,
OCCASIONALLY TO 8 FEET. INTRACOASTAL WATERS CHOPPY. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING, THEN A CHANCE
OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
SATURDAY AND SATURDAY NIGHT
NORTHEAST WINDS 15 TO 20 KNOTS.
SEAS 4 TO 6 FEET, OCCASIONALLY TO 8 FEET. INTRACOASTAL WATERS
CHOPPY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
SUNDAY
NORTHEAST WINDS 15 TO 20 KNOTS, DIMINISHING TO 10 TO
15 KNOTS DURING THE AFTERNOON. SEAS 3 TO 5 FEET, OCCASIONALLY TO
6 FEET. INTRACOASTAL WATERS BECOMING A LIGHT CHOP. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
AMZ452-472-101700-
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-
949 PM EDT TUE SEP 9 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING
REST OF TONIGHT
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 6 TO 7
FEET, OCCASIONALLY TO 9 FEET. WAVE DETAIL: NORTHEAST 7 FEET AT 8
SECONDS. INTRACOASTAL WATERS CHOPPY. SHOWERS LIKELY WITH A CHANCE
OF THUNDERSTORMS.
WEDNESDAY AND WEDNESDAY NIGHT
NORTHEAST WINDS 15 TO 20 KNOTS.
SEAS 5 TO 7 FEET, OCCASIONALLY TO 9 FEET, SUBSIDING TO 4 TO 6
FEET, OCCASIONALLY TO 8 FEET DURING THE AFTERNOON. WAVE DETAIL:
NORTHEAST 6 FEET AT 10 SECONDS AND NORTHEAST 5 FEET AT 6 SECONDS.
INTRACOASTAL WATERS CHOPPY. A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS.
THURSDAY THROUGH FRIDAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4
TO 6 FEET, OCCASIONALLY TO 8 FEET. WAVE DETAIL: NORTHEAST 5 FEET
AT 7 SECONDS. INTRACOASTAL WATERS CHOPPY. A CHANCE OF SHOWERS WITH
A SLIGHT CHANCE OF THUNDERSTORMS.
FRIDAY NIGHT
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 SHOWERS AND
THUNDERSTORMS.
SATURDAY
NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 5 TO 7 FEET,
OCCASIONALLY TO 9 FEET. INTRACOASTAL WATERS ROUGH. A CHANCE OF
SHOWERS.
SATURDAY NIGHT AND SUNDAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS
5 TO 6 FEET, OCCASIONALLY TO 8 FEET. INTRACOASTAL WATERS CHOPPY.
A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
AMZ454-474-101700-
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-
949 PM EDT TUE SEP 9 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EDT WEDNESDAY
REST OF TONIGHT
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 6 TO 7
FEET, OCCASIONALLY TO 9 FEET. WAVE DETAIL: NORTHEAST 6 FEET AT 9
SECONDS AND NORTH 2 FEET AT 9 SECONDS. INTRACOASTAL WATERS CHOPPY.
SHOWERS AND THUNDERSTORMS LIKELY.
WEDNESDAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 5 TO 6 FEET,
OCCASIONALLY TO 8 FEET. WAVE DETAIL: NORTHEAST 6 FEET AT 9 SECONDS
AND NORTHEAST 5 FEET AT 6 SECONDS. INTRACOASTAL WATERS CHOPPY.
SHOWERS AND THUNDERSTORMS LIKELY.
WEDNESDAY NIGHT
NORTHEAST WINDS 15 TO 20 KNOTS, BECOMING NORTH
AFTER MIDNIGHT. SEAS 5 TO 6 FEET, OCCASIONALLY TO 8 FEET. WAVE
DETAIL: NORTHEAST 5 FEET AT 9 SECONDS AND NORTH 4 FEET AT 7
SECONDS. INTRACOASTAL WATERS CHOPPY. SHOWERS LIKELY WITH A
CHANCE OF THUNDERSTORMS.
THURSDAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS AROUND 5 FEET,
OCCASIONALLY TO 6 FEET. WAVE DETAIL: NORTHEAST 4 FEET AT 5
SECONDS AND NORTHEAST 4 FEET AT 8 SECONDS. INTRACOASTAL WATERS
CHOPPY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
NORTHEAST WINDS 15 TO 20
KNOTS. SEAS 4 TO 6 FEET, OCCASIONALLY TO 8 FEET. WAVE DETAIL:
NORTHEAST 5 FEET AT 7 SECONDS. INTRACOASTAL WATERS CHOPPY. A
CHANCE OF SHOWERS AND THUNDERSTORMS.
SATURDAY
NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 5 TO 7 FEET,
OCCASIONALLY TO 9 FEET. WAVE DETAIL: NORTHEAST 7 FEET AT 7
SECONDS. INTRACOASTAL WATERS ROUGH. A CHANCE OF SHOWERS.
SATURDAY NIGHT AND SUNDAY
NORTHEAST WINDS 15 TO 20 KNOTS,
DIMINISHING TO 10 TO 15 KNOTS DURING THE AFTERNOON. SEAS 4 TO 6
FEET, OCCASIONALLY TO 8 FEET. INTRACOASTAL WATERS CHOPPY. A CHANCE
OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
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