997
FZUS52 KJAX 201721
CWFJAX
COASTAL WATERS FORECAST FOR NORTHEAST FLORIDA/SOUTHEAST GEORGIA
NATIONAL WEATHER SERVICE JACKSONVILLE FL
121 PM EDT WED AUG 20 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.
AMZ400-210830-
SYNOPSIS FOR ALTAMAHA SOUND GA TO FLAGLER BEACH FL OUT TO 60 NM-
121 PM EDT WED AUG 20 2025
SYNOPSIS
NORTHERLY WINDS WILL PEAK THIS AFTERNOON WHILE SEAS CONTINUE TO
BUILD THROUGH THE EVENING AS HURRICANE ERIN TRACKS NORTH, REMAINING
HUNDREDS OF MILES OFFSHORE. THOUGH WINDS WILL LIGHTEN UP, LINGERING
SWELLS WILL CONTINUE SMALL CRAFT ADVISORY CONDITIONS THROUGH FRIDAY.
A TRAILING TROUGH WILL LINGER NORTH OF THE WATERS IN THE WAKE OF
ERIN ON THURSDAY AND SHIFT SOUTH INTO THE LOCAL WATERS FRIDAY WHERE
IT WILL REMAIN OVER THE WEEKEND, ELEVATING CHANCES FOR AFTERNOON AND
EVENING THUNDERSTORMS.
GULF STREAM
THE APPROXIMATE LOCATION OF THE WEST WALL OF THE GULF STREAM AS OF
AUG 19, 2025 AT 1200 UTC...
51 NAUTICAL MILES EAST OF FLAGLER BEACH.
59 NAUTICAL MILES EAST OF SAINT AUGUSTINE BEACH.
68 NAUTICAL MILES EAST OF JACKSONVILLE BEACH.
81 NAUTICAL MILES EAST SOUTHEAST OF ST SIMONS ISLAND.
THIS DATA COURTESY OF THE NAVAL OCEANOGRAPHIC OFFICE.
AMZ450-452-454-210830-
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-
121 PM EDT WED AUG 20 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THURSDAY NIGHT
REST OF TODAY
NORTH WINDS 15 TO 20 KNOTS. SEAS 8 TO 11 FEET,
OCCASIONALLY TO 14 FEET. WAVE DETAIL: EAST 10 FEET AT 15 SECONDS
AND NORTHEAST 4 FEET AT 7 SECONDS. INTRACOASTAL WATERS CHOPPY. A
CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS.
TONIGHT
NORTHWEST WINDS 5 TO 10 KNOTS. SEAS 8 TO 11 FEET,
OCCASIONALLY TO 14 FEET. WAVE DETAIL: EAST 10 FEET AT 15 SECONDS
AND NORTHEAST 3 FEET AT 8 SECONDS. INTRACOASTAL WATERS LIGHT
CHOP. A SLIGHT CHANCE OF SHOWERS IN THE EVENING.
THURSDAY
NORTHWEST WINDS 5 TO 10 KNOTS, BECOMING SOUTH IN THE
AFTERNOON. SEAS 5 TO 8 FEET, OCCASIONALLY TO 10 FEET. WAVE
DETAIL: EAST 8 FEET AT 14 SECONDS AND EAST 2 FEET AT 8 SECONDS.
INTRACOASTAL WATERS LIGHT CHOP. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
THURSDAY NIGHT
SOUTHWEST WINDS AROUND 10 KNOTS, BECOMING WEST
AFTER MIDNIGHT. SEAS 4 TO 6 FEET, OCCASIONALLY TO 8 FEET. WAVE
DETAIL: EAST 6 FEET AT 12 SECONDS AND SOUTHEAST 2 FEET AT
6 SECONDS. INTRACOASTAL WATERS LIGHT CHOP. A CHANCE OF SHOWERS. A
CHANCE OF 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 12 SECONDS AND SOUTHEAST 2 FEET AT
6 SECONDS. INTRACOASTAL WATERS LIGHT CHOP. A CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE MORNING, THEN SHOWERS WITH THUNDERSTORMS
LIKELY IN THE AFTERNOON.
FRIDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS, BECOMING WEST AFTER
MIDNIGHT. SEAS 3 TO 5 FEET, OCCASIONALLY TO 6 FEET. WAVE DETAIL:
NORTHEAST 4 FEET AT 13 SECONDS AND SOUTHEAST 2 FEET AT 6 SECONDS.
INTRACOASTAL WATERS LIGHT CHOP. SHOWERS WITH A CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN SHOWERS LIKELY WITH A SLIGHT
CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.
SATURDAY
EAST 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
WEST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET,
OCCASIONALLY TO 5 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 IN THE EVENING, THEN A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
AMZ470-472-474-210830-
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-
121 PM EDT WED AUG 20 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING
REST OF TODAY
NORTH WINDS 15 TO 20 KNOTS. SEAS 11 TO 14 FEET,
OCCASIONALLY TO 18 FEET. WAVE DETAIL: SOUTHEAST 12 FEET AT
15 SECONDS AND NORTHEAST 5 FEET AT 7 SECONDS. A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF THUNDERSTORMS.
TONIGHT
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 4 FEET AT 8 SECONDS. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
THURSDAY
NORTHWEST WINDS 10 TO 15 KNOTS, BECOMING SOUTHWEST
5 TO 10 KNOTS IN THE AFTERNOON. SEAS 6 TO 9 FEET, OCCASIONALLY TO
11 FEET. WAVE DETAIL: EAST 9 FEET AT 13 SECONDS AND SOUTHEAST
3 FEET AT 7 SECONDS. A SLIGHT CHANCE OF THUNDERSTORMS. A SLIGHT
CHANCE OF SHOWERS IN THE MORNING, THEN A CHANCE OF SHOWERS IN THE
AFTERNOON.
THURSDAY NIGHT
SOUTHWEST WINDS 5 TO 10 KNOTS, BECOMING WEST
AFTER MIDNIGHT. SEAS 5 TO 8 FEET, OCCASIONALLY TO 10 FEET. WAVE
DETAIL: NORTHEAST 7 FEET AT 12 SECONDS AND SOUTHEAST 2 FEET AT
6 SECONDS. A CHANCE OF SHOWERS AND THUNDERSTORMS.
FRIDAY
WEST WINDS 5 TO 10 KNOTS, BECOMING SOUTH IN THE
AFTERNOON. SEAS 5 TO 7 FEET, OCCASIONALLY TO 9 FEET. WAVE DETAIL:
NORTHEAST 7 FEET AT 13 SECONDS AND SOUTHEAST 2 FEET AT 7 SECONDS.
SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS IN THE MORNING,
THEN SHOWERS WITH THUNDERSTORMS LIKELY IN THE AFTERNOON.
FRIDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS, BECOMING WEST AFTER
MIDNIGHT. SEAS 5 TO 7 FEET, OCCASIONALLY TO 9 FEET. WAVE DETAIL:
NORTHEAST 6 FEET AT 13 SECONDS AND SOUTHEAST 2 FEET AT 8 SECONDS.
SHOWERS WITH A CHANCE OF THUNDERSTORMS.
SATURDAY
NORTHWEST WINDS 5 TO 10 KNOTS, BECOMING SOUTHWEST.
SEAS 4 TO 6 FEET, OCCASIONALLY TO 8 FEET. A CHANCE OF
THUNDERSTORMS. SHOWERS.
SUNDAY
WEST WINDS 5 TO 10 KNOTS. SEAS 3 TO 5 FEET,
OCCASIONALLY TO 6 FEET. SHOWERS LIKELY. A CHANCE OF THUNDERSTORMS
.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
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