516
FZUS52 KJAX 191820
CWFJAX
COASTAL WATERS FORECAST FOR NORTHEAST FLORIDA/SOUTHEAST GEORGIA
NATIONAL WEATHER SERVICE JACKSONVILLE FL
220 PM EDT TUE AUG 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.
AMZ400-200930-
SYNOPSIS FOR ALTAMAHA SOUND GA TO FLAGLER BEACH FL OUT TO 60 NM-
220 PM EDT TUE AUG 19 2025
SYNOPSIS
SMALL CRAFT ADVISORY CONDITIONS CONTINUE THROUGH THE END OF THE
WEEK AS HURRICANE ERIN PASSES HUNDREDS OF MILES OFFSHORE.
MAINTAINING A NORTHWEST MOVEMENT, HURRICANE ERIN WILL MAKE ITS
CLOSEST POINT OF APPROACH WEDNESDAY AS TURNS NORTHWARD. LARGE
SWELLS WILL RAISE SEAS TO 10 TO 15 FOOT, POTENTIALLY HIGHER
OFFSHORE AND NEAR THE GULF STREAM, THROUGH WEDNESDAY NIGHT. THOUGH
SEAS WILL BEGIN TO LOWER FROM PEAK LEVELS WEDNESDAY, HAZARDOUS
SMALL CRAFT CONDITIONS WILL CONTINUE THURSDAY AND FRIDAY. A WEAK
TROUGH STALLED TO THE NORTH AND ITS INTERACTION WITH THE AFTERNOON
SEA BREEZE WILL ENCOURAGE HIGHER STORM CHANCES THROUGH THE
WEEKEND.
GULF STREAM
THE APPROXIMATE LOCATION OF THE WEST WALL OF THE GULF STREAM AS OF
AUG 16, 2025 AT 1200 UTC...
57 NAUTICAL MILES EAST OF FLAGLER BEACH.
63 NAUTICAL MILES EAST NORTHEAST OF SAINT AUGUSTINE BEACH.
68 NAUTICAL MILES EAST OF JACKSONVILLE BEACH.
75 NAUTICAL MILES EAST SOUTHEAST OF ST SIMONS ISLAND.
THIS DATA COURTESY OF THE NAVAL OCEANOGRAPHIC OFFICE.
AMZ450-452-454-200930-
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-
220 PM EDT TUE AUG 19 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THURSDAY NIGHT
TONIGHT
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 6 TO 9 FEET,
OCCASIONALLY TO 11 FEET. WAVE DETAIL: EAST 8 FEET AT 17 SECONDS
AND NORTHEAST 4 FEET AT 6 SECONDS. INTRACOASTAL WATERS CHOPPY. A
CHANCE OF SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS THIS EVENING,
THEN A CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.
WEDNESDAY
NORTH WINDS 15 TO 20 KNOTS. SEAS 7 TO 10 FEET,
OCCASIONALLY TO 13 FEET. WAVE DETAIL: EAST 9 FEET AT 15 SECONDS
AND NORTHEAST 5 FEET AT 6 SECONDS. INTRACOASTAL WATERS CHOPPY. A
CHANCE OF SHOWERS AND THUNDERSTORMS.
WEDNESDAY NIGHT
NORTHWEST WINDS 5 TO 10 KNOTS. SEAS 7 TO
10 FEET, OCCASIONALLY TO 13 FEET. WAVE DETAIL: EAST 9 FEET AT
15 SECONDS AND NORTHEAST 4 FEET AT 8 SECONDS. INTRACOASTAL WATERS
LIGHT CHOP.
THURSDAY
NORTHWEST WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST IN
THE AFTERNOON. SEAS 6 TO 8 FEET, OCCASIONALLY TO 10 FEET. WAVE
DETAIL: EAST 8 FEET AT 14 SECONDS AND SOUTHEAST 2 FEET AT
7 SECONDS. INTRACOASTAL WATERS LIGHT CHOP. A CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE AFTERNOON.
THURSDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS, BECOMING WEST AFTER
MIDNIGHT. SEAS 5 TO 6 FEET, OCCASIONALLY TO 8 FEET. WAVE DETAIL:
EAST 6 FEET AT 13 SECONDS AND SOUTHEAST 2 FEET AT 6 SECONDS.
INTRACOASTAL WATERS LIGHT CHOP. A CHANCE OF SHOWERS AND
THUNDERSTORMS, MAINLY IN THE EVENING.
FRIDAY
SOUTHWEST WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST IN
THE AFTERNOON. SEAS 4 TO 6 FEET, OCCASIONALLY TO 8 FEET. WAVE
DETAIL: NORTHEAST 5 FEET AT 13 SECONDS AND SOUTHEAST 2 FEET AT
6 SECONDS. INTRACOASTAL WATERS LIGHT CHOP. A CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE MORNING, THEN SHOWERS AND THUNDERSTORMS
LIKELY IN THE AFTERNOON.
FRIDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHWEST
AFTER MIDNIGHT. SEAS 3 TO 5 FEET, OCCASIONALLY TO 6 FEET.
INTRACOASTAL WATERS LIGHT CHOP. SHOWERS LIKELY. A CHANCE OF
THUNDERSTORMS, MAINLY IN THE EVENING.
SATURDAY
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING SOUTHWEST.
SEAS 3 TO 5 FEET, OCCASIONALLY TO 6 FEET. INTRACOASTAL WATERS
LIGHT CHOP. A SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING.
SHOWERS. THUNDERSTORMS LIKELY IN THE AFTERNOON, THEN A CHANCE OF
THUNDERSTORMS IN THE EVENING. A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.
SUNDAY
SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS 3 TO 5 FEET,
OCCASIONALLY TO 6 FEET. INTRACOASTAL WATERS LIGHT CHOP. A CHANCE
OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING,
THEN SHOWERS LIKELY IN THE AFTERNOON. A CHANCE OF THUNDERSTORMS
THROUGH THE NIGHT. A CHANCE OF SHOWERS THROUGH THE NIGHT. A
SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
AMZ470-472-474-200930-
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-
220 PM EDT TUE AUG 19 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING
TONIGHT
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 8 TO 11 FEET,
OCCASIONALLY TO 14 FEET. WAVE DETAIL: SOUTHEAST 10 FEET AT
17 SECONDS AND NORTHEAST 4 FEET AT 7 SECONDS. A CHANCE OF
THUNDERSTORMS. A CHANCE OF SHOWERS THIS EVENING, THEN SHOWERS
LIKELY AFTER MIDNIGHT.
WEDNESDAY
NORTH WINDS 15 TO 20 KNOTS. SEAS 9 TO 13 FEET,
OCCASIONALLY TO 17 FEET. WAVE DETAIL: SOUTHEAST 11 FEET AT
15 SECONDS AND NORTH 5 FEET AT 7 SECONDS. A CHANCE OF
THUNDERSTORMS. SHOWERS LIKELY, MAINLY IN THE MORNING.
WEDNESDAY NIGHT
NORTHWEST WINDS 10 TO 15 KNOTS. SEAS 9 TO
13 FEET, OCCASIONALLY TO 17 FEET. WAVE DETAIL: EAST 12 FEET AT
15 SECONDS AND NORTHEAST 5 FEET AT 8 SECONDS. A SLIGHT CHANCE OF
THUNDERSTORMS. A SLIGHT CHANCE OF SHOWERS IN THE EVENING, THEN A
CHANCE OF SHOWERS AFTER MIDNIGHT.
THURSDAY
NORTHWEST WINDS 10 TO 15 KNOTS, BECOMING SOUTHWEST
5 TO 10 KNOTS IN THE AFTERNOON. SEAS 7 TO 9 FEET, OCCASIONALLY TO
11 FEET. WAVE DETAIL: EAST 9 FEET AT 13 SECONDS AND NORTH 3 FEET
AT 9 SECONDS. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
MORNING, THEN A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON.
THURSDAY NIGHT
SOUTHWEST WINDS 5 TO 10 KNOTS, BECOMING WEST
AFTER MIDNIGHT. SEAS 6 TO 8 FEET, OCCASIONALLY TO 10 FEET. WAVE
DETAIL: NORTHEAST 7 FEET AT 13 SECONDS AND SOUTHEAST 2 FEET AT
6 SECONDS. A CHANCE OF SHOWERS AND THUNDERSTORMS.
FRIDAY AND FRIDAY NIGHT
SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS
5 TO 8 FEET, OCCASIONALLY TO 10 FEET. WAVE DETAIL: NORTHEAST
7 FEET AT 13 SECONDS AND SOUTHEAST 2 FEET AT 6 SECONDS. SHOWERS
WITH A CHANCE OF THUNDERSTORMS.
SATURDAY
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING SOUTHWEST.
SEAS 5 TO 7 FEET, OCCASIONALLY TO 9 FEET. A CHANCE OF
THUNDERSTORMS. SHOWERS.
SUNDAY
WEST WINDS 5 TO 10 KNOTS. SEAS 4 TO 6 FEET,
OCCASIONALLY TO 8 FEET. SHOWERS LIKELY WITH A CHANCE OF
THUNDERSTORMS, THEN A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
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