Moncks Corner, SC Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Moncks Corner, SC

June 22, 2024 1:06 PM EDT (17:06 UTC) Change Location
Sunrise 6:11 AM   Sunset 8:33 PM
Moonrise 8:41 PM   Moonset 5:21 AM 
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NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.

Marine Forecasts
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AMZ330 Charleston Harbor- 1158 Am Edt Sat Jun 22 2024

This afternoon - SE winds 10 kt. A chance of showers with a slight chance of tstms.

Tonight - S winds 10 kt. A chance of showers with a slight chance of tstms in the evening, then a chance of showers after midnight.

Sun - S winds 10 to 15 kt. Showers likely with a chance of tstms.

Sun night - S winds 15 kt with gusts to 20 kt. A chance of showers and tstms.

Mon - SW winds 10 to 15 kt. A slight chance of showers and tstms in the morning, then a chance of showers and tstms in the afternoon.

Mon night - SW winds 10 to 15 kt with gusts to 20 kt, diminishing to 5 to 10 kt after midnight. A chance of showers and tstms.

Tue - SW winds 5 to 10 kt. A chance of showers and tstms.

Tue night - S winds 5 to 10 kt. A chance of showers and tstms.

Wed - S winds 10 to 15 kt. A chance of showers and tstms.

Wed night - SW winds 10 to 15 kt. A chance of showers and tstms.
winds and waves higher in and near tstms.
unless otherwise noted, waves 1 foot or less.
charleston harbor water temperature 82 degrees.

AMZ300 1158 Am Edt Sat Jun 22 2024

Synopsis for the coastal waters of south coastal south carolina and north coastal georgia - Tropical low pressure will move onshore along the southeast georgia coast today. A typical summertime pattern with diurnal convection is expected next week.


7 Day Forecast for Marine Location Near Moncks Corner, SC
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Area Discussion for - Charleston, SC
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FXUS62 KCHS 221610 AFDCHS

Area Forecast Discussion National Weather Service Charleston SC 1210 PM EDT Sat Jun 22 2024

SYNOPSIS
Low pressure will move onshore along the Southeast Georgia coast today. A typical summertime pattern with diurnal convection is expected next week.

NEAR TERM /THROUGH TONIGHT/
This afternoon: Greatest low level moisture advection this afternoon will remain along the Georgia coast, with scattered to widespread showers still expected to develop. Elsewhere, ample low level moisture remains in place with modest CAPE values (~1000 J/kg) to justify continued chance POPs, with scattered showers and potentially a few thunderstorms developing mainly on subtle boundaries.

Given the elevated PWAT values/envelope of deep moisture with the low and potential for training convection, daily total rainfall amounts of 1 to 2 inches still mainly confined near and south of Hilton Head Island. Highs today will range from the upper 80s to the lower 90s...tempered a bit along the coast by passing convection.

Tonight: Diurnally driven/enhanced convection should diminish.
However, remnant tropical low will continue to meander up the coast and may drive additional showers and some thunderstorms up through the SC coastal waters, some of which might skirt the South Carolina coastal areas. Forecast will feature chance to likely pops along the coast with diminishing precip chances inland. Some locally heavy rainfall will remain a possibility right along the SC coast. Lows tonight dip into the lower to middle 70s.

SHORT TERM /SUNDAY THROUGH TUESDAY/
Sunday: A weak mid-level Low will be located just offshore in the morning, quickly getting absorbed into the overall flow. Meanwhile, troughing will develop over the East Coast, especially to our north.
Surface High pressure will be centered near Bermuda while troughing persists over the Southeast. Deep moisture will continue to persist across the region. PWATs across our area should exceed 2", which is above the 90% mark for CHS per SPC Sounding Climatology and nearly 2 standard deviations per NAEFs. The synoptic models and long range CAMs indicate an active convective pattern. Therefore, we have likely POPs across our coastal counties in the afternoon, aided by the sea breeze. POPs will decrease in the evening and overnight, with most areas becoming dry after midnight. There is decent instability, so we can't completely rule out a stronger or marginally severe thunderstorm with damaging winds. However, the bigger concern is the potential for locally heavy rainfall underneath the thunderstorms. This is due to the abundant moisture and weak steering flow. So flooding in low-lying and poorly drained areas is possible. Highs will range from the upper 80s at the beaches to the lower to mid 90s further inland. Additionally, heat indices should peak in the lower 100s before convection develops.
Lows will mostly be in the mid 70s.

Monday: The mid-levels will consist of a trough initially over the East Coast. It'll gradually shift offshore as time progresses.
Meanwhile, broad High pressure centered over the Southern Plains will creep it's way towards our region. At the surface, troughing will be over the Southeast in the morning, with High pressure in the Atlantic. A cold front will approach from the north, reaching just north of our area late at night. The deepest moisture appears to get pushed offshore in advance of the front, with the 2+" PWATs off our coast. However, PWATs ~1.75" will remain across our area. The heat should be the main concern due to 850 mb temperatures, low-level thickness values, and compression ahead of the front. Highs could peak in the mid to maybe upper 90s, except cooler at the beaches.
But dew points rising into the 70s near the coast will cause heat indices to rise to ~105 degrees. This is just short of Heat Advisory criteria. Additionally, afternoon convection is expected to quickly develop along the sea breeze and ahead of the approaching front.
This will lower temperatures and heat indices. We have chance POPs in the afternoon. While a stronger storm with gusty winds is possible just about anywhere, the bigger concern will be the potential for locally heavy rainfall underneath the thunderstorms.
Though, steering flow should be a little stronger, which would limit QPF if no training develops. Convection will gradually decrease during the evening and overnight. Lows will generally be in the 70s.

Tuesday: Mid-level troughing offshore will shift away as broad High pressure centered over the Southern Plains tries to make its way towards our region. A cold front located just to our north at daybreak should slowly shift southward. It's expected to stall across our area and then weaken. The highest PWATs appear to be located south and offshore of our area. Once again, the heat will be the main concern. Highs are expected to reach the upper 90s to around 100 degrees across most of our area, except cooler at the beaches. Dew points well into the 70s near the coast will cause heat indices to rise to 105-110 degrees. Coastal Heat Advisories are possible. But similar to Monday, afternoon convection is expected to quickly develop, which will lower temperatures and heat indices.
Otherwise, we have chance POPs.

LONG TERM /TUESDAY NIGHT THROUGH FRIDAY/
Weak mid-level troughing will occasionally be over the East Coast.
Surface troughing or weak fronts will be impacting the Southeast U.S. while High pressure is near Bermuda. This summertime pattern will yield diurnal convection. The highest POPs are each afternoon and evening, then trending lower overnight. High temperatures will be well into the 90s each day. Heat indices could also rise to 105- 110 degrees along the coast Wednesday and Thursday, which could prompt Heat Advisories.

AVIATION /16Z SATURDAY THROUGH WEDNESDAY/
Tropical low pressure near the Altamaha River will drift inland and weaken today before slowly migrating up the coast tonight.
This will bring rather unsettled conditions to the region, particularly to the KSAV terminal through a good portion of today...with periodic MVFR conditions possible. We cannot rule out the possibility of some thunderstorms impacting the KSAV terminal, although overall probabilities are not great. TSTMs have not been included 12Z forecast but will be amended as needed.

KCHS/KJZI will be a bit less impacted. But shower activity will increase in and around the terminals this morning and through the afternoon hours. Brief MVFR restrictions are possible within any heavier showers. Convection weakens into tonight. But another round of showers and some thunderstorms may organize in SC coastal waters later tonight and press into the SC coastal counties overnight.

Extended Aviation Outlook: Mostly VFR. However, convection will bring brief flight restrictions, mainly each afternoon and evening.

MARINE
Enhanced gradient on the north and east side of the low center (currently near the mouth of the Altamaha) have brought breezy winds mainly across the northern GA coastal waters. Expect these breezy conditions to continue into the evening, with the gradient slowly relaxing as the surface low further weakens.
SCAs remain in effect for the nearshore and offshore GA waters through 8 PM.

Elsewhere, southeast flow will prevail across the coastal waters today, with winds mainly 10 to 15 kt, and gusts to 20 kt mainly confined to in/near showers and storms.

Extended Marine: A typical summertime pattern is expected with High pressure in the Atlantic and occasional surface troughing over the Southeast. On Sunday sustained winds will mainly be from the south or southwest. Though, they are expected to surge from the SW in the evening and overnight. Gusts could approach 25 kt and we can't rule out Small Craft Advisories for our ocean zones during this time period. Otherwise, each day expect gradually backing winds. They'll be strongest along the land/sea interface and the Charleston Harbor with the formation of the afternoon sea breeze. Each night, winds will gradually veer.
Seas will average 2-4 ft.

Rip Currents: Onshore winds and swell energy will keep the rip current risk elevated today. Depending on the peak winds and the amount of swell that arrives at the beaches, the local rip current calculator results in a solid moderate risk and just below high risk. Will maintain a moderate risk with the morning forecast at this juncture.

Sunday: Winds will mainly be from the south, with a SE swell slowly trending lower. This will cause a Moderate Risk of rip currents to persist for all of our beaches.

CHS WATCHES/WARNINGS/ADVISORIES
GA...None.
SC...None.
MARINE...Small Craft Advisory until 8 PM EDT this evening for AMZ354- 374.




Weather Reporting Stations
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Stations Dist Age Wind AirWater WavesinHgDewPt
CHTS1 22 mi49 minESE 8.9G9.9 81°F 83°F30.13
41029 - Capers Nearshore (CAP 2) 27 mi59 minSE 9.7G16 81°F 81°F30.1177°F
41065 27 mi45 min 3 ft
41066 42 mi59 minSSE 5.8G12 80°F 81°F30.1176°F
41076 42 mi59 min 5 ft
NIWS1 - North Inlet-Winyah Bay Reserve, SC 44 mi82 minSE 8.9 82°F 30.1578°F
ACXS1 - ACE Basin Reserve, SC 46 mi82 minESE 1.9 85°F 30.0976°F


Wind History for Charleston, SC
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherAirDewPtRHinHg
KMKS BERKELEY COUNTY,SC 8 sm11 minSE 08G1510 smPartly Cloudy88°F73°F62%30.09
KCHS CHARLESTON AFB/INTL,SC 15 sm10 minESE 16G2510 smMostly Cloudy90°F73°F59%30.09
KLRO MT PLEASANT RGNLFAISON FIELD,SC 16 sm11 minvar 05G185 smMostly Cloudy Mist 84°F81°F89%30.10
KDYB SUMMERVILLE,SC 18 sm11 minSE 0710 smA Few Clouds84°F77°F79%30.07
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Wind History graph: MKS
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Tide / Current for Pimlico, West Branch, Cooper River, South Carolina
   
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Pimlico
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Sat -- 12:00 AM EDT     2.09 feet High Tide
Sat -- 06:11 AM EDT     Sunrise
Sat -- 06:21 AM EDT     Moonset
Sat -- 06:59 AM EDT     0.20 feet Low Tide
Sat -- 12:09 PM EDT     1.56 feet High Tide
Sat -- 06:50 PM EDT     -0.06 feet Low Tide
Sat -- 08:32 PM EDT     Sunset
Sat -- 09:41 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Pimlico, West Branch, Cooper River, South Carolina, Tide feet
12
am
2.1
1
am
2
2
am
1.8
3
am
1.4
4
am
1
5
am
0.6
6
am
0.3
7
am
0.2
8
am
0.4
9
am
0.7
10
am
1.1
11
am
1.4
12
pm
1.6
1
pm
1.5
2
pm
1.3
3
pm
1
4
pm
0.6
5
pm
0.3
6
pm
0
7
pm
-0.1
8
pm
0.2
9
pm
0.7
10
pm
1.3
11
pm
1.7


Tide / Current for Charleston Harbor Entrance, South Carolina Current
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Charleston Harbor Entrance
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Sat -- 12:30 AM EDT     -2.72 knots Max Ebb
Sat -- 03:41 AM EDT     0.00 knots Slack
Sat -- 05:49 AM EDT     1.46 knots Max Flood
Sat -- 06:12 AM EDT     Sunrise
Sat -- 06:22 AM EDT     Moonset
Sat -- 09:09 AM EDT     -0.00 knots Slack
Sat -- 12:25 PM EDT     -2.14 knots Max Ebb
Sat -- 03:20 PM EDT     0.00 knots Slack
Sat -- 06:11 PM EDT     1.85 knots Max Flood
Sat -- 08:30 PM EDT     Sunset
Sat -- 09:40 PM EDT     Moonrise
Sat -- 10:02 PM EDT     -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Charleston Harbor Entrance, South Carolina Current, knots
12
am
-2.6
1
am
-2.6
2
am
-1.9
3
am
-0.8
4
am
0.3
5
am
1.2
6
am
1.4
7
am
1.1
8
am
0.7
9
am
0.1
10
am
-0.7
11
am
-1.6
12
pm
-2.1
1
pm
-2
2
pm
-1.4
3
pm
-0.3
4
pm
0.6
5
pm
1.4
6
pm
1.8
7
pm
1.7
8
pm
1.4
9
pm
0.9
10
pm
0
11
pm
-1.2


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Charleston, SC,




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