Jacksonboro, SC Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Jacksonboro, SC

April 21, 2024 7:54 AM EDT (11:54 UTC) Change Location
Sunrise 6:40 AM   Sunset 7:55 PM
Moonrise 5:04 PM   Moonset 4:34 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.

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Marine Forecasts
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AMZ352 Waters From Edisto Beach Sc To Savannah Ga Out 20 Nm- 559 Am Edt Sun Apr 21 2024

Today - SW winds 5 to 10 kt, becoming nw 15 to 20 kt late. Seas 2 to 3 ft. Wave detail: S 2 ft at 5 seconds and E 2 ft at 9 seconds. A chance of showers and tstms early this afternoon. Showers and tstms late.

Tonight - N winds 15 to 20 kt. Seas 3 to 4 ft. Wave detail: W 3 ft at 5 seconds and ne 3 ft at 9 seconds. Showers and tstms in the evening, then a slight chance of showers after midnight.

Mon - N winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 5 ft. Wave detail: ne 5 ft at 7 seconds and S 1 ft at 4 seconds. A slight chance of showers.

Mon night - NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave detail: E 4 ft at 8 seconds.

Tue - NE winds 10 kt. Seas 3 to 4 ft. Wave detail: E 4 ft at 9 seconds.

Tue night - SE winds 5 kt, becoming S after midnight. Seas 2 to 3 ft. Wave detail: E 3 ft at 9 seconds.

Wed - SW winds 5 to 10 kt. Seas 2 to 3 ft.

Wed night - SW winds 10 kt. Seas 2 to 3 ft.

Thu - NE winds 10 kt. Seas 3 to 4 ft.

Thu night - E winds 10 kt. Seas 3 ft.
winds and seas higher in and near tstms.

AMZ300 559 Am Edt Sun Apr 21 2024

Synopsis for the coastal waters of south coastal south carolina and north coastal georgia - An area of low pressure and associated front will push through the area and offshore today. High pressure will then return to the region and prevail through much of the week.


7 Day Forecast for Marine Location Near Jacksonboro, SC
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Area Discussion for - Charleston, SC
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FXUS62 KCHS 211015 AFDCHS

Area Forecast Discussion National Weather Service Charleston SC 615 AM EDT Sun Apr 21 2024

SYNOPSIS
An area of low pressure and associated front will push through the area and offshore today. High pressure will then return to the region and prevail through much of the week.

NEAR TERM /THROUGH TONIGHT/
Some minor timing adjustments were made to rain chances throughout the day. Otherwise, the forecast is on track.

Today: 21/07z mesoanalysis placed a wavy cold front to the west and north with a decaying outflow boundary moving south of the Edisto River. A few showers are percolating behind the outflow boundary, but these should be fairly short-lived as convergence near the boundary weakens as it becomes increasingly more diffuse. Conditions are rather warm and humid across Southeast South Carolina and Southeast Georgia early this morning with the region still fully embedded within the warm sector. A large area of showers/tstms moving across central Georgia will continue to propagate to the east/northeast, but its southern flank should largely weaken as it brushes interior portions of Southeast South Carolina and Southeast Georgia over the next few hours.

The forecast for today remains extremely complex with an unusually high bust potential, especially with respect to the high temperature forecast. The front has moved very little over the past few hours, but should begin to move to south and southeast soon as rain begins to fall over the Midlands. Weak, mainly channeled vorticity embedded in the zonal flow across the Southeast U.S. will be gradually replaced by a somewhat enhanced shortwave that is moving across the lower Mississippi Valley and western Deep South this morning. This feature will sharpen a bit this afternoon as the right entrance region of a southwest-northeast oriented jet extending south out of the Mid-Atlantic and New England pushes through. Increasing forcing for ascent associated with these two features will support a broad area of showers/tstms later this morning and afternoon across the Southeast U.S. with most of the activity pushing offshore of the South Carolina and Georgia coasts by early this evening. Pops 70-90% were maintained for most areas today with the highest rain chances centered across interior Southeast South Carolina adjacent to the Southern Midlands and CSRA (the area closest to the corridor of stronger forcing aloft) as well as the lower South Carolina and upper Georgia coasts (area most likely to see deeper convection along the front itself).

Pinning down high temperatures is proving difficult this morning as much will depend on southward progression of the cold front today. Highs will likely peak across the interior by mid- morning before temperatures fall with FROPA. Highs will occur later in the day closer to the coast, but even here, temperatures will steadily fall as heavier showers/tstms develop and the surface cold front moves through. Highs look to peak in the upper 60s across the far interior to the lower-mid 80s extending from far southern Charleston County through Beaufort/Hilton Head and into coastal Georgia. Further adjustments in high temperatures will likely be needed later today as short term radar and temperature trends become more apparent. A strong tstm or two could occur along parts of the Georgia and far southern South Carolina coast prior to FROPA. DCAPE value are not overly high per modified soundings at both KSAV and KHXD, but there is a somewhat higher risk for gusty winds given the dry mid-level air noted.

Tonight: The front will be offshore by sunset. Shower activity should end during the evening hours. High pressure will steadily build into the area overnight. Lows will range from the upper 40s well inland and across the Francis Marion National Forest to the lower-mid 50s elsewhere, warmest at the coast.

SHORT TERM /MONDAY THROUGH WEDNESDAY/
High pressure will build inland on Monday in wake of a departing front, before shifting overhead and eventually offshore through mid week. Aloft, trough axis passes across the area with building heights thereafter. Aside from possibly a few showers right near the coast on Monday morning, the forecast is dry.
Temperatures will be warming with time as highs initially unseasonably cool in the mid/upper 60s increase back to around 80 by Wednesday. Low temperatures spanning the 40s away from Monday night gain a few degrees for Tuesday night.

LONG TERM /WEDNESDAY NIGHT THROUGH SATURDAY/
A cold front is expected to drop into the area Wednesday night into Thursday with little impact. Otherwise, high pressure will prevail, building from the north and then transitioning offshore as we head into the weekend. Forecast remains dry through the period, but its worth noting a couple models indicate a few showers shifting onshore with a coastal trough on Friday. Temperatures will be within a few degrees of normal.

AVIATION /10Z SUNDAY THROUGH THURSDAY/
21/12z TAF Discussion: KCHS/KJZI: Some passing light showers/sprinkles may impact KCHS by 12z. No impacts are expected. VFR will prevail this morning head of a cold front. Cigs will begin to lower by early afternoon as a band of showers/tstms impacts the terminals.
TEMPO groups for MVFR vsbys/cigs in -SHRA are still favored, roughly 19-22z for both sites. This is just about an hour faster than the 06z TAF. While tstms could still occur, the better instability looks to hold well to the south. No mention of TSRA was included for this reason. The risk for IFR cigs will increase around 00z with cigs lifting by late evening into the early morning hours Monday. VFR should prevail by the end of the 12z TAF period.

KSAV: VFR this morning. Showers/tstms will be on the increase this afternoon ahead of a cold front. A TEMPO group for MVFR vsbys/cigs in TSRA is still favored, roughly 19-22z. Prevailing MVFR cigs will then settle in as convection pushes offshore and a cold front moves through. The risk for IFR cigs looks to hold north of the terminal. VFR will return overnight as high pressure builds in.

Extended Aviation Outlook: Flight restrictions will likely linger into the first part of Monday before improving. VFR thereafter.

MARINE
Today: South to southwest winds will tip to the west and northwest later today as a cold front approaches. Northwest winds will surge to 15-20 kt by late this afternoon as cold front moves into the coastal waters. Seas will average 2-3 ft.

Tonight: North winds 15-20 kt will be common behind the front.
Gusts to 25 kt will be possible, but the frequency will not increase until closer to daybreak Monday as the pressure gradient begins to tighten. Seas will build 3-4 ft nearshore waters with 20 NM and 4-5 ft over the Georgia offshore waters.

Monday through Friday: Main time period of concern is on Monday when gusty northeast winds and elevated seas are forecast over the coastal waters. Confidence was high enough to hoist a Small Craft Advisory for the outer Georgia waters, but this could eventually be expanded to include at least portions of the nearshore waters as well. Conditions should fall below advisory criteria Monday night, with the exception of the outer Georgia waters where 6 ft seas will linger a bit longer. Winds will gradually turn to become more southerly by mid week as high pressure shifts overhead then offshore, before the next front drops into the area. Winds and seas are forecast to stay below advisory levels through the end of the week.

Rip Currents: Gusty northeast winds and building seas will lead to an elevated risk of rip currents on Monday. A Moderate risk is currently forecast at all beaches.

CHS WATCHES/WARNINGS/ADVISORIES
GA...None.
SC...None.
MARINE...Small Craft Advisory from 6 AM Monday to 2 PM EDT Tuesday for AMZ374.




Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesinHgDewPt
ACXS1 - ACE Basin Reserve, SC 5 mi130 min SW 1 71°F 29.8968°F
41067 25 mi70 min 69°F2 ft
CHTS1 31 mi55 min NW 5.1G7 71°F 70°F29.88
41076 43 mi53 min 3 ft
41029 - Capers Nearshore (CAP 2) 46 mi107 min SW 9.7G14 69°F 29.8669°F
41065 47 mi93 min 2 ft
FPKG1 - 8670870 - Fort Pulaski, GA 47 mi55 min WNW 2.9G2.9 71°F 69°F29.91


Wind History for Charleston, SC
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KARW BEAUFORT COUNTY,SC 17 sm19 minW 0610 smClear70°F63°F78%29.90
KNBC BEAUFORT MCAS /MERRITT FIELD/,SC 17 sm58 minW 0410 smClear72°F66°F83%29.90
KRBW LOWCOUNTRY RGNL,SC 22 sm19 minSSW 067 smClear68°F68°F100%29.92
Link to 5 minute data for KNBC


Wind History from NBC
(wind in knots)
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Tide / Current for Airy Hall Plantation, Ashepoo River, South Carolina
   
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Airy Hall Plantation
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Sun -- 03:18 AM EDT     0.52 feet Low Tide
Sun -- 05:34 AM EDT     Moonset
Sun -- 06:44 AM EDT     Sunrise
Sun -- 09:11 AM EDT     3.99 feet High Tide
Sun -- 03:27 PM EDT     0.49 feet Low Tide
Sun -- 06:03 PM EDT     Moonrise
Sun -- 07:56 PM EDT     Sunset
Sun -- 09:40 PM EDT     4.30 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Airy Hall Plantation, Ashepoo River, South Carolina, Tide feet
12
am
2.6
1
am
1.7
2
am
1
3
am
0.5
4
am
0.6
5
am
1.2
6
am
2.1
7
am
3
8
am
3.7
9
am
4
10
am
3.9
11
am
3.3
12
pm
2.6
1
pm
1.8
2
pm
1
3
pm
0.5
4
pm
0.6
5
pm
1.1
6
pm
1.9
7
pm
2.8
8
pm
3.7
9
pm
4.2
10
pm
4.3
11
pm
3.9



Tide / Current for Fenwick Island, South Carolina
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Fenwick Island
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Sun -- 01:44 AM EDT     0.57 feet Low Tide
Sun -- 05:34 AM EDT     Moonset
Sun -- 06:44 AM EDT     Sunrise
Sun -- 07:29 AM EDT     5.99 feet High Tide
Sun -- 01:53 PM EDT     0.54 feet Low Tide
Sun -- 06:03 PM EDT     Moonrise
Sun -- 07:56 PM EDT     Sunset
Sun -- 07:58 PM EDT     6.45 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Fenwick Island, South Carolina, Tide feet
12
am
1.7
1
am
0.8
2
am
0.6
3
am
1.2
4
am
2.4
5
am
3.9
6
am
5.2
7
am
5.9
8
am
5.9
9
am
5.3
10
am
4.3
11
am
3
12
pm
1.8
1
pm
0.8
2
pm
0.5
3
pm
1
4
pm
2.2
5
pm
3.7
6
pm
5.1
7
pm
6.1
8
pm
6.5
9
pm
6.1
10
pm
5.2
11
pm
3.9




Weather Map
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GEOS Local Image of southeast   
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Charleston, SC,



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