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AMZ352 Waters From Edisto Beach Sc To Savannah Ga Out 20 Nm- 550 Am Est Thu Dec 7 2023
Today..NE winds 5 to 10 kt, becoming sw late. Seas 2 to 3 ft.
Tonight..SW winds 5 to 10 kt. Seas 2 ft.
Fri..Variable winds 5 kt. Seas 2 ft.
Fri night..S winds 5 kt. Seas 2 ft.
Sat..S winds 5 kt. Seas 2 ft. A slight chance of showers.
Sat night..SE winds 5 to 10 kt, becoming S 10 to 15 kt with gusts to 20 kt after midnight. Seas 2 ft, building to 3 to 4 ft after midnight. A slight chance of showers in the evening, then a chance of showers after midnight.
Sun..S winds 15 to 20 kt. Seas 4 to 6 ft. Showers with a slight chance of tstms.
Sun night..W winds 20 to 25 kt. Seas 4 to 6 ft. A chance of showers.
Mon..NW winds 15 to 20 kt. Seas 4 to 5 ft.
Mon night..N winds 10 to 15 kt. Seas 3 to 4 ft.
winds and seas higher in and near tstms.

AMZ300 550 Am Est Thu Dec 7 2023
Synopsis for the coastal waters of south coastal south carolina and north coastal georgia.. High pressure will prevail through Saturday. A cold front will cross the area on Sunday, followed by high pressure early next week.

FXUS62 KCHS 071116 AFDCHS

Area Forecast Discussion National Weather Service Charleston SC 616 AM EST Thu Dec 7 2023

SYNOPSIS
High pressure will prevail through Saturday. A cold front will cross the area on Sunday, followed by high pressure early next week.

NEAR TERM /THROUGH TONIGHT/
The center of a 1025 mb high pressure will generally remain over the forecast area today. Near term guidance indicates that a H5 ridge axis will approach SE GA/SC from the west through the day. As the ridge approaches, LLVL temperatures and thicknesses will gradually increase. Given a warming llvl profile, WSW sfc winds, and strong insolation, daytime temperatures are forecast to warm by around 30 degrees over this morning's low temperatures. High temperatures are forecast to range from the mid 50s across the Frances Marion National Forest to the low 60s across SE GA. HRRR indicates that high clouds will accompany the ridge axis, with cloud cover beginning to increase early this evening.

Tonight, the mid-level ridge axis is timed to move over the region after midnight. At the sfc, the CWA will be positioned between high pressure over the western Atlantic and a developing low pressure system over the Great Plains. Forecast soundings indicate that cirrus-level clouds will gradually build, but should remain thin through the evening hours. Light SW winds during the evening should weaken to 3 kts or less late tonight. Low temperatures are forecast to range from the low 30s inland to the low 40s along the coast.

SHORT TERM /FRIDAY THROUGH SUNDAY/
High pressure will remain the primary feature through late week. Dry weather will largely prevail, although some shower activity over the waters could make a run for the coast on Saturday. High temperatures in the mid 60s Friday will warm to the low/mid 70s for Saturday.
Lows will be in the upper 40s/low 50s Friday night, then several degrees above normal in the upper 50s/around 60 Saturday night.

The main action of the week will arrive on Sunday as a highly amplified upper trough shifts into the eastern U.S. and brings a cold front through the region. Models are consistent in showing a fairly solid band of showers and thunderstorms accompanying the front, although timing has slowed a bit. Current indications show the bulk of activity pushing across the area in the afternoon and evening. Adjusted PoPs a bit to better reflect this. It continues to look like a high shear/low CAPE set-up. Mid level lapse rates are poor and CAPE progs peak no higher than 500 J/kg, but wind fields area impressive. Even outside of storm potential, it will be a breezy day. Gusts are forecast to be upwards of 30 mph. Conditions could support a Lake Wind Advisory over Lake Moultrie. Temperatures should reach the low 70s ahead of the front.

LONG TERM /SUNDAY NIGHT THROUGH WEDNESDAY/
A cold front and associated showers/thunderstorms will exit off the coast Sunday night. High pressure will then expand into the area for Monday and beyond. Any shower potential through midweek will be confined to the coastal waters late as models show hints of a coastal trough developing. Temperatures will be cooler than normal.

AVIATION /11Z THURSDAY THROUGH MONDAY/
KCHS, KJZI, and KSAV: VFR through 12Z Friday.

Extended Aviation Outlook: VFR through late week. Flight restrictions are possible in showers/isolated thunderstorms associated with a cold front Sunday into Sunday night.

MARINE
Today and tonight, marine conditions should feature southwest winds between 5-10 kts with wave heights between 1-3 ft.

Friday through Tuesday: Fairly benign marine conditions expected through Saturday as high pressure remains in control. Winds and seas will ramp up Sunday into Sunday night ahead of and behind a cold front. Small Craft Advisories are likely for all of the coastal waters, including the Charleston Harbor. Not out of the question to see gusts approaching gale force, and this potential remains highlighted within the Hazardous Weather Outlook. There will be improvement on Monday and advisories should be able to come down, however tight pressure gradient with building high pressure will keep speeds a solid 15 kt.

CHS WATCHES/WARNINGS/ADVISORIES
GA...None.
SC...None.
MARINE...None.

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Fripp Inlet Bridge
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Thu -- 01:51 AM EST     Moonrise
Thu -- 03:11 AM EST     5.52 feet High Tide
Thu -- 07:09 AM EST     Sunrise
Thu -- 09:19 AM EST     1.36 feet Low Tide
Thu -- 01:55 PM EST     Moonset
Thu -- 03:22 PM EST     5.55 feet High Tide
Thu -- 05:16 PM EST     Sunset
Thu -- 09:30 PM EST     0.96 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION

Fripp Inlet Bridge, South Carolina, Tide feet

Capers Island
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Thu -- 01:51 AM EST     Moonrise
Thu -- 03:15 AM EST     5.77 feet High Tide
Thu -- 07:10 AM EST     Sunrise
Thu -- 09:17 AM EST     1.36 feet Low Tide
Thu -- 01:55 PM EST     Moonset
Thu -- 03:26 PM EST     5.79 feet High Tide
Thu -- 05:17 PM EST     Sunset
Thu -- 09:28 PM EST     0.96 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION

Capers Island, Trenchards Inlet, South Carolina, Tide feet

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