516
FZUS52 KJAX 200053
CWFJAX
COASTAL WATERS FORECAST FOR NORTHEAST FLORIDA/SOUTHEAST GEORGIA
NATIONAL WEATHER SERVICE JACKSONVILLE FL
853 PM EDT MON APR 19 2021
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-
853 PM EDT MON APR 19 2021
SYNOPSIS
THE FRONTAL BOUNDARY SOUTH OF THE AREA WATERS WILL BACK TO THE
NORTH OVERNIGHT AND INTO TUESDAY AS A LOW PRESSURE SYSTEM DEVELOPS
OVER CENTRAL FLORIDA AND MOVES NORTHEAST. THIS BOUNDARY WILL SLIP
BACK TO THE SOUTH TUESDAY NIGHT. ANOTHER COLD FRONT WILL MOVE
SOUTHEAST ACROSS AREA WEDNESDAY INTO WEDNESDAY NIGHT CAUSING
STRENGTHENING NORTHWEST TO NORTH WINDS AND BUILDING SEAS. HIGH
PRESSURE WILL BUILD TO THE NORTHWEST THURSDAY, THEN NORTH
NORTHEAST FRIDAY. THE HIGH WILL MOVE MORE TOWARD THE EAST FRIDAY
NIGHT AS A WARM FRONT LIFTS NORTHEAST ACROSS AREA. A COLD FRONT
WILL MOVE SOUTHEAST ACROSS REGION SATURDAY NIGHT INTO SUNDAY.
GULF STREAM
THE APPROXIMATE LOCATION OF THE WEST WALL OF THE GULF STREAM AS OF
APR 17, 2021 AT 1200 UTC...
62 NAUTICAL MILES EAST OF FLAGLER BEACH.
68 NAUTICAL MILES EAST OF SAINT AUGUSTINE BEACH.
81 NAUTICAL MILES EAST OF JACKSONVILLE BEACH.
85 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-
853 PM EDT MON APR 19 2021
TONIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS BECOMING EAST AFTER
MIDNIGHT. SEAS 1 TO 2 FEET WITH A DOMINANT PERIOD 10 SECONDS.
MOSTLY SMOOTH ON THE INTRACOASTAL WATERS.
TUESDAY
EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET WITH A
DOMINANT PERIOD 10 SECONDS. A LIGHT CHOP ON THE INTRACOASTAL
WATERS. CHANCE OF SHOWERS. SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON.
TUESDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS BECOMING WEST AFTER
MIDNIGHT. SEAS 2 TO 3 FEET WITH A DOMINANT PERIOD 5 SECONDS.
MOSTLY SMOOTH ON THE INTRACOASTAL WATERS. SLIGHT CHANCE OF
SHOWERS IN THE EVENING.
WEDNESDAY
WEST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. A LIGHT
CHOP ON THE INTRACOASTAL WATERS.
WEDNESDAY NIGHT
NORTHWEST WINDS 15 TO 20 KNOTS BECOMING NORTH
AFTER MIDNIGHT. SEAS 3 TO 4 FEET. CHOPPY ON THE INTRACOASTAL
WATERS.
THURSDAY
NORTH WINDS 15 TO 20 KNOTS BECOMING NORTHEAST 10 TO
15 KNOTS IN THE AFTERNOON. SEAS 3 TO 4 FEET. CHOPPY ON THE
INTRACOASTAL WATERS.
THURSDAY NIGHT
EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET.
FRIDAY
EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET.
FRIDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
SATURDAY
SOUTH WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET. SHOWERS
LIKELY AND SLIGHT CHANCE OF 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-
853 PM EDT MON APR 19 2021
TONIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS BECOMING EAST AFTER
MIDNIGHT. SEAS 2 TO 3 FEET WITH A DOMINANT PERIOD 11 SECONDS.
TUESDAY
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET WITH A
DOMINANT PERIOD 10 SECONDS. CHANCE OF SHOWERS. SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON.
TUESDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS BECOMING WEST
10 TO 15 KNOTS AFTER MIDNIGHT. SEAS 2 TO 3 FEET WITH A DOMINANT
PERIOD 5 SECONDS. SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.
SLIGHT CHANCE OF SHOWERS.
WEDNESDAY
NORTHWEST WINDS 10 TO 15 KNOTS BECOMING WEST 5 TO
10 KNOTS IN THE AFTERNOON. SEAS 2 TO 3 FEET.
WEDNESDAY NIGHT
WEST WINDS 15 TO 20 KNOTS BECOMING NORTH AFTER
MIDNIGHT. SEAS 3 TO 4 FEET.
THURSDAY
NORTH WINDS 15 TO 20 KNOTS BECOMING NORTHEAST 10 TO
15 KNOTS IN THE AFTERNOON. SEAS 3 TO 5 FEET.
THURSDAY NIGHT
EAST WINDS 5 TO 10 KNOTS. SEAS 3 TO 4 FEET.
FRIDAY
EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET.
FRIDAY NIGHT
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
SATURDAY
SOUTH WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET. CHANCE
OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS.
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