Sunrise 6:46 AM   Sunset 8:01 PM Moonrise 7:57 PM   Moonset 5:58 AM

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AMZ450 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- 923 Pm Edt Tue Apr 23 2024
Rest of tonight - South winds 5 to 10 knots. Seas 3 to 5 feet with a dominant period 10 seconds. Intracoastal waters light chop. Wednesday - South winds 5 to 10 knots, becoming southeast 10 to 15 knots in the afternoon. Seas 3 to 4 feet with a dominant period 9 seconds. Intracoastal waters a moderate chop. Wednesday night - South winds 10 to 15 knots. Seas 3 to 4 feet with a dominant period 9 seconds. Intracoastal waters a moderate chop. Thursday - Southwest winds 5 to 10 knots, becoming southeast 10 to 15 knots in the afternoon. Seas 3 to 4 feet with a dominant period 11 seconds. Intracoastal waters a moderate chop. Thursday night - Southeast winds around 10 knots. Seas 2 to 3 feet with a dominant period 11 seconds. Intracoastal waters light chop. Friday - East winds 10 to 15 knots. Seas 2 to 3 feet with a dominant period 10 seconds. Intracoastal waters a moderate chop. Friday night - East winds around 15 knots. Seas 3 to 5 feet with a dominant period 4 seconds. Intracoastal waters a moderate chop.Saturday - East winds 15 to 20 knots. Seas 4 to 5 feet. Saturday night - Southeast winds 15 to 20 knots. Seas 4 to 6 feet. Sunday - Southeast winds around 15 knots. Seas 4 to 6 feet. Sunday night - Southeast winds around 15 knots. Seas 4 to 5 feet.

AMZ400 Synopsis For Altamaha Sound Ga To Flagler Beach Fl Out To 60 Nm- 923 Pm Edt Tue Apr 23 2024
Synopsis -
high pressure ridge will be across the area through tonight, then slide south of the waters Wednesday. A weak cold front will move south into region Thursday and stall. High pressure will build to the northeast late in the week through the weekend.
Gulf stream -
the approximate location of the west wall of the gulf stream as of apr 23, 2024 at 1200 utc - .
60 nautical miles east northeast of flagler beach. 66 nautical miles east of saint augustine beach. 75 nautical miles east of jacksonville beach. 90 nautical miles east southeast of st simons island.
this data courtesy of the naval oceanographic office.

FXUS62 KJAX 240505 AFDJAX

Area Forecast Discussion National Weather Service Jacksonville FL 105 AM EDT Wed Apr 24 2024

New AVIATION

UPDATE
Issued at 923 PM EDT Tue Apr 23 2024

For the latest NE FL and SE GA Daily Key Messages please visit: https:// www.weather.gov/media/jax/briefings/nws-jax-briefing.pdf

Forecast remains unchanged. High pressure will be over the area tonight with light easterly winds becoming calm after midnight under clear skies. Shallow patchy fog possible along I-10 west of Jacksonville towards Lake City. Lows will be below normal for late April in the low 50s over inland areas, patchy upper 40s near the Altamaha river, mid 50s along/east the St Johns river basin and upper 50s along the coast.

High pressure ridge will sink just south of the area Wednesday, but continue dry weather conditions. Light south to southwesterly winds 5-10 mph will become southeasterly 8-12 mph behind Atlantic seabreeze as it moves just past I-95 in the afternoon under mostly sunny skies from flat cumulus cloud fields. Highs will be near normal in the low 80s away from the coast and mid to upper 70s at the coast.

NEAR TERM
Issued at 238 PM EDT Tue Apr 23 2024

For the latest NE FL and SE GA Daily Key Messages please visit: https:// www.weather.gov/media/jax/briefings/nws-jax-briefing.pdf

Under high pressure ridge, mainly clear skies will continue through the night, with lows falling into the lower to mid 50s.

SHORT TERM
(Wednesday through Thursday night)
Issued at 238 PM EDT Tue Apr 23 2024

Wednesday...Weak cold front pushes through the SE US states and reaches Central GA/Carolinas by the end of the day but remains void of any measurable rainfall at this time. The West to Southwest steering flow will push temps back closer to normal values with highs in the 80-85 range over inland areas and in the upper 70s along the coast.

Wednesday Night...The weak frontal boundary will sag further south through SE GA and end up near the FL/GA border by early Thursday morning, but still not expecting any measurable rainfall at this time, but some slight increase in cloudiness is expected across SE GA while NE FL remains mostly clear. Seasonably cool overnight lows in the 50s will continue over inland areas, with lows near 60 along the coast. Some patchy fog possible along the I-75 corridor of inland NE FL by sunrise Thursday morning, but air mass remains too dry for any significant fog at this time.

Thursday...The weak frontal boundary across the NE FL/SE GA region will become diffuse and still expect mainly dry conditions, but enough increase in moisture and diurnal heating into the middle 80s over inland areas and sea breeze boundaries might be enough to trigger an isolated afternoon shower, but overall measurable rainfall chances remain less than 20 percent.

Thursday Night...High pressure builds to the NE of the region over the Carolinas and this will increase low level easterly/onshore flow along with some increase in cloud cover over the Atlantic Coastal waters and closer to the old frontal boundary across SE GA, and again only limited/isolated shower activity is expected over the Coastal waters, mainly near the better low level convergence along the SE GA coastal areas. Overnight lows a bit milder around 60 over inland areas and near 65 along the Atlantic Coast.

LONG TERM
(Friday through next Tuesday)
Issued at 238 PM EDT Tue Apr 23 2024

Rather stagnant pattern will remain in place through the period with high pressure ridge axis remains oriented East to West across the Carolinas, which will continue a breezy Easterly/Onshore flow across the region through the weekend, which will slowly become more Southeast early next week as long range models suggest this high pressure ridge axis will drift slowly southward through the period. Rainfall chances will remain limited through the period with only a few isolated showers over the Coastal waters, or possible along the East Coast sea breeze as it pushes inland each day, but again overall measurable rainfall chances remain at 20 percent or less through the period. Temps will be close to normal values through the weekend with a trend towards above normal temps early next week as the ridge axis slides southward. These high temps will generally be in the mid/upper 80s over far inland areas, with lower 80s along the I-95 corridor and around 80 each day along the Atlantic Coastal areas.

AVIATION
(06Z TAFS)
Issued at 103 AM EDT Wed Apr 24 2024

VFR conditions for the next 24 to 36 hours. Some light mist/ground fog is possible at some of the fields near sunrise. A sea breeze will develop this afternoon and evening with a wind shift to the southeast.

MARINE
Issued at 238 PM EDT Tue Apr 23 2024

High pressure ridge will be across the area through Tonight, then slide to the south Wednesday. A weak cold front will move south into region Thursday and stall. High pressure will build to the northeast late in the week through the weekend.

Rip Currents: SE GA Moderate through Wednesday NE FL High Today, Moderate Wednesday

FIRE WEATHER
Issued at 238 PM EDT Tue Apr 23 2024

High pressure and dry air mass will remain in place on Wednesday, then a weak frontal boundary will sag southward into SE GA Wednesday Night and stall near the FL/GA border on Thursday before washing out. High pressure will re-build north of the region on Friday with a breezy Easterly/Onshore flow expected through the weekend. Near critical humidities falling to around 30 percent are expected Wednesday afternoon, but winds will remain around 10 mph or less. Minimum humidities will be closer to 35 percent on Thursday afternoon with light and variable winds. The East Coast sea breeze will remain pinned closer to the coast along the I-95 corridor on Wednesday afternoon, but will move further inland to the US 301 corridor on Thursday afternoon.

Patchy fog will be possible over inland areas the next couple of mornings, but significant fog is not expected.

PRELIMINARY POINT TEMPS/POPS
AMG 80 55 84 60 / 0 0 10 0 SSI 76 61 79 66 / 0 0 0 0 JAX 82 57 85 63 / 0 0 0 0 SGJ 79 58 83 64 / 0 0 0 0 GNV 83 55 86 60 / 0 0 0 0 OCF 83 55 87 60 / 0 0 0 0

JAX WATCHES/WARNINGS/ADVISORIES
FL...None.
GA...None.
AM...None.

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Frederica River
Click for Map
Tue -- 03:37 AM EDT     0.25 feet Low Tide
Tue -- 06:29 AM EDT     Moonset
Tue -- 06:48 AM EDT     Sunrise
Tue -- 09:19 AM EDT     7.11 feet High Tide
Tue -- 03:36 PM EDT     0.31 feet Low Tide
Tue -- 07:51 PM EDT     Full Moon
Tue -- 07:58 PM EDT     Moonrise
Tue -- 07:59 PM EDT     Sunset
Tue -- 09:40 PM EDT     7.92 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION

Frederica River, Georgia, Tide feet

Jones Creek entrance
Click for Map
Tue -- 02:54 AM EDT     0.25 feet Low Tide
Tue -- 06:29 AM EDT     Moonset
Tue -- 06:47 AM EDT     Sunrise
Tue -- 09:34 AM EDT     7.11 feet High Tide
Tue -- 02:53 PM EDT     0.31 feet Low Tide
Tue -- 07:51 PM EDT     Full Moon
Tue -- 07:58 PM EDT     Moonrise
Tue -- 07:59 PM EDT     Sunset
Tue -- 09:55 PM EDT     7.92 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION

Jones Creek entrance, Hampton River, Georgia, Tide feet

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