Sunrise 6:54 AM   Sunset 7:57 PM Moonrise 2:30 PM   Moonset 3:22 AM

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AMZ452 Expires:202404190915;;985057 Fzus52 Kjax 190012 Cwfjax
coastal waters forecast for northeast florida/southeast georgia national weather service jacksonville fl 812 pm edt Thu apr 18 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.
amz450-452-454-190915- 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- 812 pm edt Thu apr 18 2024
Rest of tonight - South winds 10 to 15 knots, becoming southwest 5 to 10 knots after midnight. Seas 2 to 3 feet with a dominant period 8 seconds. Intracoastal waters a moderate chop. Friday - West winds 5 to 10 knots, becoming southeast in the afternoon. Seas 2 to 3 feet with a dominant period 8 seconds. Intracoastal waters light chop. Friday night - South winds 5 to 10 knots, becoming west after midnight. Seas 2 to 3 feet with a dominant period 8 seconds. Intracoastal waters light chop. Saturday - Southwest winds 5 to 10 knots, becoming south in the afternoon. Seas 2 to 3 feet with a dominant period 8 seconds. Intracoastal waters light chop. A slight chance of showers and Thunderstorms in the afternoon. Saturday night - Southwest winds 5 to 10 knots, becoming west after midnight. Seas 2 to 3 feet with a dominant period 8 seconds. Intracoastal waters light chop. A slight chance of showers and Thunderstorms in the evening. Sunday - Southwest winds 5 to 10 knots. Seas 2 to 3 feet with a dominant period 8 seconds. Intracoastal waters light chop. A chance of rain with a slight chance of Thunderstorms in the afternoon. Sunday night - Northwest winds 5 to 10 knots. Seas 2 to 3 feet with a dominant period 8 seconds. Intracoastal waters light chop. A chance of showers. A chance of Thunderstorms, mainly in the evening. Monday - North winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of Thunderstorms. A chance of showers in the morning, then a chance of rain in the afternoon. Monday night - Northeast winds 10 to 15 knots. Seas 3 to 4 feet.Tuesday - Northeast winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas 3 to 4 feet. Tuesday night - East winds 5 to 10 knots, becoming south after midnight. Seas 3 to 4 feet.
winds and waves higher in and near Thunderstorms.

AMZ400 Synopsis For Altamaha Sound Ga To Flagler Beach Fl Out To 60 Nm- 812 Pm Edt Thu Apr 18 2024
Synopsis -
weak high pressure ridging continues over local waters through Friday as a weak trough passes just to the north. By Saturday, a cold frontal boundary will approach the region and stall along the fl/ga line before making its way through Sunday through Monday with chances for showers and Thunderstorms returning. High pressure then builds across area waters once again Tuesday and into Wednesday.
Gulf stream -
the approximate location of the west wall of the gulf stream as of apr 13, 2024 at 1200 utc - .
69 nautical miles east northeast of flagler beach. 73 nautical miles east of saint augustine beach. 85 nautical miles east southeast of jacksonville beach. 103 nautical miles east southeast of st simons island.
this data courtesy of the naval oceanographic office.

FXUS62 KJAX 190019 AFDJAX

Area Forecast Discussion National Weather Service Jacksonville FL 819 PM EDT Thu Apr 18 2024

New UPDATE

UPDATE
Issued at 814 PM EDT Thu Apr 18 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

Only minor changes to the forecast for the rest of the evening, as a majority of mid and upper level clouds continue to dissipate.
Clouds will return overnight as a weak upper level shortwave moves across the area. Some patchy fog will be possible near the Suwannee River and near/west of I-75 area towards the morning hours.

NEAR TERM
Issued at 140 PM EDT Thu Apr 18 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

High pressure ridging still covers the region but will slowly make its way out temporarily this evening and overnight as a weak surface trough pushes in. Mid level shortwave troughing will increase the cloud cover to be partly cloudy this afternoon, clearing out in some areas tonight to mostly clear skies. Winds inland will be light and mainly from the west with the Atlantic sea-breeze bringing winds in around 10-15 mph to coastal areas and up to the I-95/US 17 corridor. Inland temperatures will be in the upper 80s to low 90s with coastal temperatures staying slightly cooler due to the sea breeze. Nighttime temperatures will be in the 60s.

SHORT TERM
(Friday through Saturday night)
Issued at 140 PM EDT Thu Apr 18 2024

High pressure ridging continues after the weak surface trough passes overnight with another weak trough passing through for Friday night. Patchy inland fog is possible in areas of the Suwannee Valley early Friday morning and should dissipate by mid morning. The Gulf coast sea-breeze will make its way inland pinning the Atlantic sea-breeze along and east of I-95.
Temperatures will be in the upper 80s to low 90s staying in the upper 80s along the coast due to the sea-breeze.

Saturday, a cold frontal boundary approaches the region bringing more moisture into SE GA (PWAT values of 1.6-1.7") and pushes the weak high pressure ridging south. This will allow chances for isolated to scattered showers and thunderstorms for SE GA in the afternoon and evening. Daytime temperatures will be in the upper 80s to low 90s with night time temperatures in the mid to upper 60s.

LONG TERM
(Sunday through next Thursday)
Issued at 140 PM EDT Thu Apr 18 2024

Increased chances for precipitation Sunday afternoon and into the evening as a frontal boundary slowly makes its way through the region, exiting and moving south by Monday evening. High pressure fills in behind the front for Tuesday creating drier conditions for Tuesday through Thursday.

Temperatures will cool into the mid 70s to low 80s behind the front for Monday before gradually warming up again into the mid to upper 80s by the end of the week.

AVIATION
(00Z TAFS)
Issued at 655 PM EDT Thu Apr 18 2024

VFR is expected to prevail through the forecast period at all terminals at this time. The only area of lower confidence is VQQ and GNV, as FG will be possible towards the morning hours. Have included tempo groups here for conditions approaching MVFR, and IFR cannot be fully ruled out as well. A sea breeze should affect all sites except GNV with a wind shift near the end of the forecast period.

MARINE
Issued at 140 PM EDT Thu Apr 18 2024

High pressure ridging continues over the local waters today but will move southward Friday as a cold front makes its way into the southeast. The cold front will dip toward the GA/FL line and stall through the rest of the weekend. This front will then push southeast through the local waters Sunday night and early Monday.

Rip Currents: Moderate chance for Rip currents today and Friday as Southeast/Onshore sea breeze winds continue during the afternoon/early evening hours both days with surf/breakers around 2-3 feet.

FIRE WEATHER
Issued at 140 PM EDT Thu Apr 18 2024

Conditions continue to be dry today and Friday with chances for rain increasing for the weekend. Today, light west to southwest winds 5-10 mph inland with coastal areas up to the I-95/ US 17 corridor receiving winds 10-15 Knots from the Atlantic Sea-breeze.
Friday will see a similar pattern as the Gulf sea-breeze moves well inland to US 17, pinning the Atlantic sea-breeze closer to I-95. Min RH values will be above critical values today near 39-45 percent. Low daytime dispersion expected along the coast due to low mixing heights from the marine air behind the Atlantic sea- breeze today and Friday. Patchy areas of high dispersions will occur Friday and Saturday as mixing heights increase with hotter temperatures into low 90s and elevated transport winds from the west. Isolated to scattered showers will develop over Southeast Georgia Saturday and Sunday as a front hangs just to the north.

CLIMATE
Issued at 247 AM EDT Wed Apr 17 2024

Max temps around 90 degrees can be expected at local climate sites on Friday 4/19 and Saturday 4/20 and will be close record levels.

Record High Record High Average First Date Friday 4/19 Saturday 4/20 to Reach >= 90F

Jacksonville, FL (JAX) 92/1995 92/1995 April 25 Craig Field, FL (CRG) 91/2013 91/2002 April 22 Gainesville, FL (GNV) 94/2011 94/1892 April 21 Alma, Georgia (AMG) 91/1968 93/1968 May 2

PRELIMINARY POINT TEMPS/POPS
AMG 65 91 67 90 / 0 0 0 40 SSI 65 86 67 86 / 0 10 0 20 JAX 64 91 65 91 / 0 0 0 20 SGJ 64 89 65 91 / 0 0 0 10 GNV 62 90 61 90 / 0 0 0 0 OCF 62 90 62 89 / 0 0 0 0

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

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Peoria Point, Doctors Lake, Florida, Tide feet

Doctors Lake
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Thu -- 03:37 AM EDT     5.42 feet Low Tide
Thu -- 04:20 AM EDT     Moonset
Thu -- 06:56 AM EDT     Sunrise
Thu -- 09:17 AM EDT     6.05 feet High Tide
Thu -- 03:28 PM EDT     Moonrise
Thu -- 04:07 PM EDT     5.45 feet Low Tide
Thu -- 07:56 PM EDT     Sunset
Thu -- 09:40 PM EDT     6.04 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION

Doctors Lake, Peoria Point, Florida, Tide feet

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