Sunrise 6:56 AM   Sunset 8:00 PM Moonrise 3:26 PM   Moonset 3:50 AM

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GMZ850 Coastal Waters From Tarpon Springs To Suwannee River Fl Out 20 Nm- 935 Pm Edt Thu Apr 18 2024
Rest of tonight - Northwest winds 5 to 10 knots, becoming north around 5 knots overnight. Seas 1 foot or less. Bay and inland waters light chop. Friday - Northwest winds around 5 knots, becoming west in the afternoon. Seas 1 foot or less. Bay and inland waters light chop.Friday night - West winds 5 to 10 knots. Seas 1 foot or less. Bay and inland waters light chop. Saturday - Northwest winds around 5 knots, becoming west in the afternoon. Seas 1 foot or less. Bay and inland waters light chop.Saturday night - West winds 5 to 10 knots. Seas 1 foot or less. Bay and inland waters light chop. Sunday - Southwest winds around 5 knots, increasing to 5 to 10 knots in the afternoon. Seas 1 foot or less. Bay and inland waters light chop. Sunday night - Southwest winds around 10 knots. Seas 1 foot or less. Bay and inland waters light chop. A slight chance of showers and Thunderstorms. Monday - West winds around 10 knots. Seas 1 foot or less. Bay and inland waters light chop. A slight chance of showers and Thunderstorms. Monday night - Northwest winds around 10 knots, becoming northeast after midnight. Seas 1 to 2 feet. Bay and inland waters light chop. A slight chance of showers in the evening. Tuesday - East winds around 10 knots, becoming northwest in the afternoon. Seas 1 to 2 feet in the morning, then 1 foot or less. Bay and inland waters light chop.
winds and seas higher in and near Thunderstorms.

GMZ800 Synopsis For The Coastal Waters From Bonita Beach To Suwannee River- 935 Pm Edt Thu Apr 18 2024
Synopsis - Light winds and seas continue through the weekend with an onshore flow developing each afternoon along the coast as a warm and dry airmass remains in place. The next storm system approaches north florida on Monday, some Thunderstorms and increasing winds and seas are possible, especially across northern waters.

FXUS62 KJAX 190456 AFDJAX

Area Forecast Discussion National Weather Service Jacksonville FL 1256 AM EDT Fri Apr 19 2024

New AVIATION

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
(06Z TAFS)
Issued at 1254 AM EDT Fri Apr 19 2024

VFR conditions expected at all fields for forecast period. Some light mist is possible toward sunrise at KVQQ and KGNV (the usual suspects) with 4-5SM BR the most likely conditions between 09-13 UTC.

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 91 67 90 65 / 0 0 40 20 SSI 86 67 86 66 / 10 0 20 20 JAX 91 65 91 65 / 0 0 20 10 SGJ 89 65 91 65 / 0 0 10 10 GNV 90 61 90 62 / 0 0 0 0 OCF 90 62 89 63 / 0 0 0 0

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

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Buffalo Bluff
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Thu -- 12:58 AM EDT     3.53 feet High Tide
Thu -- 04:19 AM EDT     Moonset
Thu -- 06:56 AM EDT     Sunrise
Thu -- 07:27 AM EDT     2.86 feet Low Tide
Thu -- 01:20 PM EDT     3.58 feet High Tide
Thu -- 03:28 PM EDT     Moonrise
Thu -- 07:55 PM EDT     Sunset
Thu -- 07:56 PM EDT     2.85 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION

Buffalo Bluff, St. Johns River, Florida, Tide feet

Welaka
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Thu -- 12:02 AM EDT     3.82 feet High Tide
Thu -- 12:46 AM EDT     3.82 feet Low Tide
Thu -- 01:27 AM EDT     3.82 feet High Tide
Thu -- 04:19 AM EDT     Moonset
Thu -- 05:33 AM EDT     3.59 feet Low Tide
Thu -- 06:33 AM EDT     3.59 feet High Tide
Thu -- 06:56 AM EDT     Sunrise
Thu -- 08:31 AM EDT     3.57 feet Low Tide
Thu -- 02:12 PM EDT     3.84 feet High Tide
Thu -- 03:28 PM EDT     Moonrise
Thu -- 07:55 PM EDT     Sunset
Thu -- 09:11 PM EDT     3.58 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION

Welaka, St. Johns River, Florida, Tide feet

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