661 
FZUS52 KJAX 160808
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
408 AM EDT Mon Sep 16 2019

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.

AMZ400-161630-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
408 AM EDT Mon Sep 16 2019

.SYNOPSIS...
Gusty north northeast winds and rough seas will continue to affect
area waters due to high pressure ridge north of the area and 
Tropical Cyclone Humberto which is located about 250 nm east-
southeast of Mayport. Humberto is moving slowly moving northeast 
early Monday morning. Humberto is forecast to track east-northeast
late today into Tuesday. Local mariners should monitor the latest
official forecasts from the National Hurricane Center. Another 
surge of northeast winds will occur late Wednesday through 
Thursday as strong high pressure builds north of area waters.

.GULF STREAM...

The approximate location of the west wall of the Gulf Stream as of
Sep 14, 2019 at 1200 UTC...

 40 nautical miles east of Flagler Beach.
 53 nautical miles east southeast of Saint Augustine Beach.
 69 nautical miles east of Jacksonville Beach.
 88 nautical miles east southeast of St Simons Island.

This data courtesy of the Naval Oceanographic Office.

$$

AMZ450-452-454-161630-
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-
408 AM EDT Mon Sep 16 2019

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TODAY...North northeast winds 15 to 20 knots. Seas 6 to 9 feet
with occasional seas up to 11 feet. Dominant period 10 seconds. Inland
waters choppy. A chance of showers and a slight chance of thunderstorms.
.TONIGHT...North winds 15 to 20 knots. Seas 5 to 7 feet with occasional
seas up to 9 feet. Dominant period 10 seconds. Inland waters a 
moderate chop. 
.TUESDAY...North northeast winds 10 to 15 knots. Seas 5 to 6 feet
with occasional seas up to 9 feet. Dominant period 11 seconds. 
Inland waters a moderate chop. 
.TUESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 5 to 6 feet
with occasional seas up to 9 feet. Dominant period 11 seconds. 
Inland waters a moderate chop. A slight chance of showers and 
isolated thunderstorms. 
.WEDNESDAY...Northeast winds 15 to 20 knots. Seas 5 to 7 feet
with occasional seas up to 9 feet. Dominant period 11 seconds. Inland
waters a moderate chop. A chance of showers and isolated
thunderstorms. 
.WEDNESDAY NIGHT...Northeast winds 15 to 20 knots. Seas 6 to
9 feet with occasional seas up to 11 feet. A chance of showers
and isolated thunderstorms. 
.THURSDAY AND THURSDAY NIGHT...East northeast winds 20 to
25 knots. Seas 6 to 9 feet with occasional seas up to 11 feet.
Showers likely and isolated thunderstorms. 
.FRIDAY...East northeast winds 15 to 20 knots. Seas 6 to 8 feet
with occasional seas up to 10 feet. A chance of showers and
isolated thunderstorms. 

$$

AMZ470-472-474-161630-
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-
408 AM EDT Mon Sep 16 2019

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TUESDAY NIGHT...

.TODAY...North winds 20 to 25 knots. Seas 9 to 12 feet with occasional
seas up to 15 feet. Dominant period 10 seconds. A chance of showers
and a slight chance of thunderstorms. 
.TONIGHT...North winds 15 to 20 knots. Seas 8 to 11 feet with
occasional seas up to 14 feet. Dominant period 10 seconds. 
.TUESDAY...North winds 15 to 20 knots. Seas 7 to 10 feet with
occasional seas up to 13 feet. Dominant period 11 seconds. 
.TUESDAY NIGHT...North northeast winds around 15 knots. Seas 7 to
10 feet with occasional seas up to 13 feet. Dominant period 11 seconds. A
chance of showers and isolated thunderstorms. 
.WEDNESDAY...North northeast winds 15 to 20 knots. Seas 8 to 11 
feet with occasional seas up to 14 feet. Dominant period 11 
seconds. A chance of showers and isolated thunderstorms. 
.WEDNESDAY NIGHT...Northeast winds around 20 knots. Seas 9 to
12 feet with occasional seas up to 15 feet. A chance of showers
and isolated thunderstorms. 
.THURSDAY AND THURSDAY NIGHT...East northeast winds 20 to 25 knots.
Seas 10 to 13 feet with occasional seas up to 17 feet. Showers 
likely and isolated thunderstorms. 
.FRIDAY...East northeast winds 15 to 20 knots. Seas 8 to 11 feet
with occasional seas up to 14 feet. A chance of showers and isolated
thunderstorms. 

$$