Coastal Waters Forecast
Issued by NWS Jacksonville, FL

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary Off
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29
798
FZUS52 KJAX 091901
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
301 PM EDT Thu May 9 2024

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.

AMZ400-100945-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
301 PM EDT Thu May 9 2024

.SYNOPSIS...

A squall line of strong to severe thunderstorms will traverse the
Georgia waters during the mid to late afternoon hours today, with
this line reaching the northeast Florida waters during the late
afternoon and early evening hours. This squall line is expected to
weaken after sunset as it approaches the waters from St.
Augustine southward. Strong to severe thunderstorms will be
capable of producing damaging wind gusts, hail, and frequent
lightning strikes. Otherwise, a cold front will enter the
southeastern states tonight and will progress southeastward across
our local waters on Friday afternoon and evening. Additional
rounds of strong to severe thunderstorms will be possible after
sunrise and again during the afternoon hours ahead of this front.
Winds will shift to northwesterly in the wake of the frontal
passage on Friday night and Saturday morning, with weak high
pressure the expected to build eastward from the Ozarks on
Saturday night, reaching the coastal Carolina region by Monday
afternoon. This weather pattern will result in onshore wind
development on Sunday afternoon, with onshore winds then
strengthening on Monday night ahead of an approaching warm front.
Showers and thunderstorms will overspread our local waters by late
Monday night as this warm front lifts northeastward across our
area.

.GULF STREAM...

The approximate location of the west wall of the Gulf Stream as of
May 07, 2024 at 1200 UTC...

 64 nautical miles east of Flagler Beach.
 73 nautical miles east of Saint Augustine Beach.
 85 nautical miles east southeast of Jacksonville Beach.
 99 nautical miles east southeast of St Simons Island.

This data courtesy of the Naval Oceanographic Office.

$$

AMZ450-452-100945-
Coastal waters from Altamaha Sound to Fernandina Beach FL out
20 NM-
Coastal waters from Fernandina Beach to St. Augustine FL out
20 NM-
301 PM EDT Thu May 9 2024

...TORNADO WATCH 220 IN EFFECT UNTIL 9 PM EDT THIS EVENING...

.TONIGHT...North northwest winds around 15 knots early this
evening, becoming southwest winds 10 to 15 knots late this
evening and overnight. Seas 3 to 4 feet, occasionally to 5 feet.
Wave Detail: South 3 feet at 6 seconds. Intracoastal waters a
moderate chop. Showers and thunderstorms likely early this
evening. Strong to severe thunderstorms will be possible, with
damaging wind gusts, hail, and frequent lightning strikes within
severe thunderstorms.
.FRIDAY...West southwest winds 10 to 15 knots, becoming west and
increasing to 15 to 20 knots in the afternoon. Seas 2 to 3 feet.
Wave Detail: Southwest 3 feet at 6 seconds. Intracoastal waters
becoming choppy. Showers and thunderstorms likely. Strong to
severe thunderstorms will be possible, with damaging wind gusts,
hail, and frequent lightning strikes within severe thunderstorms.
.FRIDAY NIGHT...West northwest winds 10 to 15 knots, becoming
northwest after midnight. Seas 2 to 3 feet. Wave Detail: West 3
feet at 5 seconds. Intracoastal waters a light chop. A chance of
rain and thunderstorms in the evening.
.SATURDAY...North northwest winds 10 to 15 knots, becoming
northeast around 10 knots in the afternoon. Seas 2 to 3 feet.
Wave Detail: Northeast 3 feet at 6 seconds and northeast 2 feet
at 10 seconds. Intracoastal waters a light chop.
.SATURDAY NIGHT...Northeast winds around 5 knots, becoming
northwest after midnight. Seas around 2 feet. Wave Detail:
Northeast 2 feet at 6 seconds. Intracoastal waters smooth.
.SUNDAY AND SUNDAY NIGHT...Southeast winds around 10 knots. Seas
around 2 feet. Wave Detail: Northeast 2 feet at 6 seconds.
Intracoastal waters a light chop.
.MONDAY...Southeast winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Seas 2 to 4 feet, occasionally to
5 feet. Intracoastal waters choppy. A slight chance of showers in
the morning, then a chance of showers and thunderstorms in the
afternoon.
.MONDAY NIGHT AND TUESDAY...Southwest winds 15 to 20 knots. Seas
3 to 5 feet, occasionally to 6 feet. Intracoastal waters choppy.
Showers and thunderstorms likely.

Winds and waves higher in and near thunderstorms.

$$

AMZ454-100945-
Coastal waters from St. Augustine to Flagler Beach FL out 20 NM-
301 PM EDT Thu May 9 2024

.TONIGHT...Southwest winds 10 to 15 knots early, shifting to north
northwest around 15 knots during the mid-evening hours. Winds then
becoming southwest 10 to 15 knots after midnight. Seas 3 to 4
feet, occasionally to 5 feet. Wave Detail: Southeast 3 feet at 6
seconds. Intracoastal waters a moderate chop.
.FRIDAY...West southwest winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: South 3 feet at 6 seconds. Intracoastal waters a
light chop. Showers and thunderstorms likely. Strong to severe
thunderstorms will be possible, with damaging wind gusts, hail,
and frequent lightning strikes within severe thunderstorms.
.FRIDAY NIGHT...West northwest winds 10 to 15 knots, becoming
northwest after midnight. Seas 2 to 3 feet. Wave Detail: West 2
feet at 4 seconds. Intracoastal waters a light chop. A chance of
showers and thunderstorms in the evening.
.SATURDAY...North northwest winds 10 to 15 knots. Seas 2 to 3
feet. Wave Detail: North 3 feet at 4 seconds and northeast 2 feet
at 9 seconds. Intracoastal waters a light chop.
.SATURDAY NIGHT...Northeast winds 5 to 10 knots. Seas around
2 feet. Wave Detail: North 2 feet at 6 seconds. Intracoastal
waters mostly smooth.
.SUNDAY AND SUNDAY NIGHT...Southeast winds around 10 knots. Seas
around 2 feet. Wave Detail: Northeast 2 feet at 6 seconds.
Intracoastal waters light chop.
.MONDAY...Southeast winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Seas 2 to 4 feet, occasionally to
5 feet. Intracoastal waters becoming choppy. A slight chance of
showers in the morning, then a chance of showers and thunderstorms
in the afternoon.
.MONDAY NIGHT AND TUESDAY...Southwest winds 15 to 20 knots. Seas
3 to 5 feet, occasionally to 6 feet. Intracoastal waters choppy.
Showers and thunderstorms likely.

Winds and waves higher in and near thunderstorms.

$$

AMZ470-472-474-100945-
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-
301 PM EDT Thu May 9 2024

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TONIGHT...Southwest winds 15 to 20 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: South 4 feet at 6 seconds
and east 2 feet at 11 seconds. A chance of showers and
thunderstorms, mainly early this evening. Strong to severe
thunderstorms will be possible early this evening, with damaging
wind gusts, hail, and frequent lightning strikes within severe
thunderstorms.
.FRIDAY...Southwest winds 10 to 15 knots, becoming west southwest
15 to 20 knots in the afternoon. Seas 3 to 4 feet, occasionally
to 5 feet. Wave Detail: Southwest 4 feet at 6 seconds. Showers and
thunderstorms likely. Strong to severe thunderstorms will be
possible, with damaging wind gusts, hail, and frequent lightning
strikes within severe thunderstorms.
.FRIDAY NIGHT...West northwest winds 15 to 20 knots, becoming
northwest after midnight. Seas 3 to 4 feet, occasionally to 5
feet. Wave Detail: West 4 feet at 5 seconds. A chance of showers
and thunderstorms in the evening, then a slight chance of showers
after midnight.
.SATURDAY...North northwest winds 10 to 15 knots. Seas 2 to 3
feet. Wave Detail: Northwest 3 feet at 5 seconds and northeast 2
feet at 11 seconds.
.SATURDAY NIGHT AND SUNDAY...Northwest winds 5 to 10 knots. Seas
2 to 3 feet. Wave Detail: North 2 feet at 6 seconds.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
Wave Detail: Northeast 2 feet at 8 seconds.
.MONDAY...Southeast winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Seas 2 to 4 feet, occasionally to
5 feet. A slight chance of showers in the morning, then a chance
of showers and thunderstorms in the afternoon.
.MONDAY NIGHT AND TUESDAY...Southwest winds 15 to 20 knots.Showers
and thunderstorms likely.

Winds and seas higher in and near thunderstorms.

$$