Sunrise 6:36 AM   Sunset 7:59 PM Moonrise 8:57 PM   Moonset 6:19 AM

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AMZ256 Coastal Waters From Murrells Inlet To South Santee River Sc Out 20 Nm- 710 Pm Edt Thu Apr 25 2024
Tonight - E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave detail: E 3 ft at 11 seconds and se 2 ft at 4 seconds. Fri - E winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave detail: se 4 ft at 5 seconds. Fri night - E winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave detail: E 4 ft at 5 seconds. Sat - E winds 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave detail: E 4 ft at 5 seconds. Sat night - E winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 3 to 4 ft. Wave detail: se 3 ft at 7 seconds. Sun - E winds 5 to 10 kt. Seas 3 to 4 ft. Sun night - S winds 5 to 10 kt. Seas 2 to 3 ft. Mon - SW winds 5 to 10 kt. Seas 2 to 3 ft. Mon night - SW winds 10 kt. Seas 2 to 3 ft. Tue - SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Tue night - SW winds 10 to 15 kt. Seas 2 to 3 ft.

AMZ200 710 Pm Edt Thu Apr 25 2024
Synopsis for coastal waters from surf city north carolina to south santee river south carolina out to 20 nautical miles - High pressure builds in from the north through Saturday. Winds will veer southerly by Sunday as the high moves offshore.

FXUS62 KCHS 252319 AFDCHS

Area Forecast Discussion National Weather Service Charleston SC 719 PM EDT Thu Apr 25 2024

SYNOPSIS
A weak trough will drop south of the area tonight. High pressure will then build back into the region through the early part of next week. A weak cold front could approach the area around the middle of next week.

NEAR TERM /UNTIL 6 AM FRIDAY MORNING/
Early this evening: Satellite and radar imagery show that the sea breeze has pushed about halfway through the forecast area and that diurnal cumulus are dissipating as we start to lose surface heating. Overnight, high pressure will strengthen and become centered over New England and increasingly ridge down the east side of the Appalachians. The forecast is dry and the main forecast challenge will be cloud cover. Model guidance depicts area of area low clouds developing upstream of the area across the Pee Dee region and advecting in within the arriving east- northeast flow. For the public forecast this will have virtually no sensible impact and is more notable for aviation interests.
Lows are forecast to range from the mid 50s inland to the low 60s along the immediate coast.

SHORT TERM /6 AM FRIDAY MORNING THROUGH SUNDAY/
Aloft, a large omega block will set up with amplifying troughs over the Western Atlantic and Western U.S. A ridge axis will settle over the Eastern Seaboard. This pattern favors quiet weather with little to no forcing. An isolated shower is possible mainly Friday along the southeast Georgia coast or far inland, where weak llvl convergence and presence of mid-level moisture co-exist. However, no mentionable POPs have been included in the forecast due to dry lower levels. Otherwise partly cloudy skies will prevail nearly each day.

High temperatures remain within a few degrees of normal, generally in the upper 70s to lower 80s each day through the weekend. Lows both Friday and Saturday night will range from the upper 50s inland to the mid 60s along the immediate coast.

LONG TERM /SUNDAY NIGHT THROUGH THURSDAY/
The pattern remains largely unchanged into early next week with the omega block and deep high pressure in place. This favors increasing temperatures and virtually zero rain chances Monday and Tuesday. The upper ridge axis will begin to shift offshore Tuesday as a weakening trough and accompanying weak cold front moves toward the eastern U.S. The front will be positioned inland late Tuesday/early Wednesday, however guidance depicts a weak or stalled boundary at that point. Showers will remain dependent on how quickly the upper trough driving the front lifts north. The forecast currently mentions slight chance POPs Wednesday afternoon which are limited to the inland locations.
Temperatures will start the period in the low 80s and will rise to the upper 80s/near 90F by the middle of the next week.

AVIATION /23Z THURSDAY THROUGH TUESDAY/
VFR conditions are expected to prevail at KCHS, KJZI, and KSAV through 00z Saturday. However, there are some hints in model guidance that there will be a chance for a brief period of MVFR ceilings at KCHS and KJZI starting late tonight. An area of cloud with bases around 2,500-3,500 ft are expected to advect in from the northeast. The main time period is roughly from around 09-14z when VFR or MVFR ceilings could occur. For now we have introduced VFR ceilings but future TAF issuances could need to consider TEMPO or prevailing MVFR conditions. Otherwise, VFR conditions Friday with breezy east to east-southeasterly flow.
Frequent gusts up to around 20 knots are expected.

Extended Aviation Outlook: Prevailing VFR.

MARINE
Tonight: Surface high pressure will build across the eastern Great Lakes and down into the southeast. Easterly winds will slowly increase overnight in response, particularly across the South Carolina coastal waters. Speeds will average 10 kt from Edisto Beach and points south with 10-15 kt over the South Santee-Edisto Beach out 20 NM leg. Seas will average 2-4 ft.

Friday through Tuesday: Winds will shift NE Friday and then out of the east Saturday as high pressure builds from the north.
Brief surge will bring winds to the 15-20 kt range Friday afternoon/evening. Seas in turn will build to 3-5 ft across the nearshore waters out 20 nm and 5-6 feet across the outer Georgia waters from 20-60 nm. A Small Craft Advisory could be needed for the offshore Georgia waters overnight Friday into Saturday.
Winds around 10 kt or less will veer more southerly, and seas will decrease to 2- 4 ft Monday into Tuesday.

Rip Currents: Persistent onshore flow combined with moderate swell energy will enhance the rip current risk this weekend.
There is currently a Moderate risk of rip currents for all area beaches Saturday.

EQUIPMENT
The KCLX radar is undergoing electrical maintenance and is tentatively scheduled to return to service April 26th.

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

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Jamestown Bridge
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Thu -- 01:41 AM EDT     1.28 feet High Tide
Thu -- 06:36 AM EDT     Sunrise
Thu -- 07:19 AM EDT     Moonset
Thu -- 10:15 AM EDT     0.09 feet Low Tide
Thu -- 01:50 PM EDT     1.04 feet High Tide
Thu -- 07:57 PM EDT     Sunset
Thu -- 09:56 PM EDT     Moonrise
Thu -- 10:08 PM EDT     0.10 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION

Jamestown Bridge, Santee River, South Carolina, Tide feet

Pleasant Hill Landing
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Thu -- 06:35 AM EDT     Sunrise
Thu -- 07:19 AM EDT     Moonset
Thu -- 07:37 AM EDT     0.20 feet Low Tide
Thu -- 11:59 AM EDT     2.08 feet High Tide
Thu -- 07:30 PM EDT     0.24 feet Low Tide
Thu -- 07:56 PM EDT     Sunset
Thu -- 09:56 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION

Pleasant Hill Landing, Santee River, South Carolina, Tide feet

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