Sunrise 6:31 AM   Sunset 7:56 PM Moonrise 8:57 PM   Moonset 6:18 AM

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AMZ256 Coastal Waters From Murrells Inlet To South Santee River Sc Out 20 Nm- 642 Am Edt Thu Apr 25 2024
Today - W winds 5 to 10 kt, becoming E this afternoon. Seas 2 to 4 ft. Wave detail: S 2 ft at 5 seconds and E 2 ft at 11 seconds. Tonight - E winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 4 ft. Wave detail: E 3 ft at 4 seconds and E 2 ft at 11 seconds. Fri - NE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave detail: E 4 ft at 10 seconds and se 3 ft at 4 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 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave detail: E 4 ft at 6 seconds. Sat night - E winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 3 to 4 ft. Wave detail: E 3 ft at 7 seconds. Sun - SE winds 5 to 10 kt. Seas 3 to 4 ft. Sun night - S winds 5 to 10 kt. Seas 2 to 4 ft. Mon - S winds 5 to 10 kt. Seas 2 to 3 ft. Mon night - SW winds 10 to 15 kt. Seas 2 to 3 ft.

AMZ200 642 Am 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 - A cold front will move off the coast this morning. High pressure will build in from the north today through Saturday. Winds will veer southerly by Sunday as the high moves offshore.

FXUS62 KILM 251043 AFDILM

Area Forecast Discussion National Weather Service Wilmington NC 643 AM EDT Thu Apr 25 2024

SYNOPSIS
High pressure will build in from the north today through Saturday with dry weather expected. A warming trend will develop early next week as the high shifts to off the southeast US coast.

UPDATE
Introduced patchy fog in low lying areas across the area where light rain accumulated last evening. Ground fog is expected to lift shortly after sunrise. Mostly clear and pleasant this afternoon. A stray shower is still possible along the sea breeze in coastal NC.

NEAR TERM /THROUGH TONIGHT/
High pressure building to the north today will bring mostly sunny skies outside of some surface-based cumulus developing in patches during the afternoon. Shallow instability near the NC coast could lead to the development of a sea breeze shower or two shortly afternoon noon. The bulk of cool air remains displaced to the north today, allowing afternoon highs to reach the upper 70s to near 80 across portions of SC. Generally, temperatures are a degree or two above the guidance mean.
Northeast flow develops this evening as high pressure settles over New England. Inversion aloft and moisture advecting surface winds could lead to the development of low level cloud cover late tonight, especially along the coast. Low temperatures reflect this chance with the majority of the area in the low and mid 50s.

SHORT TERM /FRIDAY THROUGH SATURDAY NIGHT/
High pressure will continue to extend down into the Southeast as it shifts off the Mid Atlantic coast Fri into Sat. An onshore flow will persist as the winds shift from the NE to the E and eventually SE heading into Sun. The onshore winds will be enhanced both Fri and Sat aftn near the coast in afternoon sea breeze. Will see a mix of low and high clouds through the period, including some aftn cu, especially along sea breeze boundary which should get a decent push inland with easterly component to the prevailing winds. At the same time, a ridge will build overhead with increasing heights. This should help with warming, but the cooler air pushing inland in the afternoon sea breeze, and overall lower low level thicknesses, expect temps to be slightly below normal for Fri and Sat. Overnight lows will be right around normal or slightly above, in the mid 50s.

LONG TERM /SUNDAY THROUGH WEDNESDAY/
Sunday will start a real warming trends as ridge builds overhead and winds shift to a more S-SW flow early to midweek as high pressure settles off the Southeast coast. The 850 thicknesses and H5 heights begin to show a nice rising trend. This will combine with plenty of bright late April sunshine to support high temps into the 80s each day. The southerly flow will support increasing humidity as dewpoints reach closer to 60.
This will also keep overnight lows on the warmer side. The next cold front should not reach the area until midweek and therefore aside from a stray sea breeze shwr possible, expect a mainly rain-free period.

AVIATION /12Z THURSDAY THROUGH MONDAY/
Patchy ground fog across the area inconsistently impacting the terminals as showers did last evening. After sunrise, any remaining shallow ground fog should lift with all terminals becoming VFR.

Light winds today become NE this evening. A stray shower is possible along the immediate NC coast this afternoon. Low clouds are likely to develop overnight, but the extent of this development is unknown at this time.

Extended Outlook... There is a low potential for MVFR to IFR visibility in ground fog Friday morning. VFR expected through Monday outside of a chance of morning fog this weekend.

MARINE
Through Tonight...Light and variable winds are expected this morning following a cold front. Increasing northeast flow will develop by this afternoon as high pressure builds to our north.
Nearshore sea breeze winds around 15 knots will maintain intensity past sunset, increasing to 15-20 knots this evening.
NE flow will produce increasing seas overnight with 2-3 foot seas today increasing to 3-4 feet by Friday morning.

Friday through Monday...Onshore flow will continue through much of the weekend with winds veering from more of a NE flow to the E ad then SE by Sun, overall diminishing from 15 to 20 on Fri down to 5 to 10 by late Sat. The afternoon sea breeze should keep winds higher each afternoon into late day closer to the coast. Seas will start out in the 3 to 4 or maybe even some 5 fters on Fri in a gusty NE wind, but will diminish to 2 to 4 ft by Sun, dropping below 3 ft by Mon as winds shift around to more of a SW to W flow around high pressure establishing itself off the Southeast coast. A longer period easterly swell will mix in. No headlines are expected through the period.

ILM WATCHES/WARNINGS/ADVISORIES
NC...None.
SC...None.
MARINE...None.

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Mt. Pleasant Plantation
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Thu -- 03:02 AM EDT     2.16 feet High Tide
Thu -- 06:35 AM EDT     Sunrise
Thu -- 07:18 AM EDT     Moonset
Thu -- 09:50 AM EDT     0.29 feet Low Tide
Thu -- 03:11 PM EDT     1.75 feet High Tide
Thu -- 07:56 PM EDT     Sunset
Thu -- 09:43 PM EDT     0.33 feet Low Tide
Thu -- 09:56 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION

Mt. Pleasant Plantation, Black River, South Carolina, Tide feet

Black River (south of Dunbar)
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Thu -- 12:53 AM EDT     2.74 feet High Tide
Thu -- 06:34 AM EDT     Sunrise
Thu -- 07:17 AM EDT     Moonset
Thu -- 07:55 AM EDT     0.25 feet Low Tide
Thu -- 01:02 PM EDT     2.22 feet High Tide
Thu -- 07:48 PM EDT     0.28 feet Low Tide
Thu -- 07:56 PM EDT     Sunset
Thu -- 09:56 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION

Black River (south of Dunbar), South Carolina, Tide feet

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