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Marine Weather and Tide Forecast for Edisto Beach, SC

June 25, 2024 10:12 AM EDT (14:12 UTC) Change Location
Sunrise 6:12 AM   Sunset 8:33 PM
Moonrise 10:51 PM   Moonset 8:51 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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AMZ352 Waters From Edisto Beach Sc To Savannah Ga Out 20 Nm- 245 Pm Edt Mon Jun 24 2024

Tonight - SW winds 15 to 20 kt. Seas 3 to 5 ft. Wave detail: se 5 ft at 6 seconds. Scattered showers and tstms early this evening, then isolated showers and tstms late this evening.

Tue - SW winds 5 to 10 kt, becoming S in the afternoon. Seas 3 to 4 ft, subsiding to 2 to 3 ft in the afternoon. Wave detail: se 4 ft at 7 seconds, becoming se 3 ft at 7 seconds. A slight chance of showers and tstms in the morning, then a chance of showers and tstms in the afternoon.

Tue night - S winds 5 to 10 kt. Seas 2 to 3 ft. Wave detail: se 2 ft at 6 seconds. A chance of showers and tstms.

Wed - S winds 5 to 10 kt. Seas 2 to 3 ft. Wave detail: S 2 ft at 6 seconds. A chance of showers and tstms, mainly in the morning.

Wed night - S winds 10 to 15 kt. Seas 2 to 3 ft. Wave detail: S 2 ft at 5 seconds and se 2 ft at 9 seconds. A slight chance of showers and tstms.

Thu - SW winds 10 kt. Seas 2 to 3 ft. Wave detail: S 2 ft at 5 seconds and se 2 ft at 8 seconds. A slight chance of showers and tstms in the morning, then a chance of showers and tstms in the afternoon.

Thu night - S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms.

Fri - S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms.

Fri night - SE winds 5 to 10 kt. Seas 2 ft. A chance of showers and tstms.

Sat - SE winds 5 to 10 kt. Seas 2 ft. A slight chance of showers and tstms.

Sat night - S winds 5 to 10 kt. Seas 2 ft. A slight chance of showers and tstms.
winds and seas higher in and near tstms.

AMZ300 245 Pm Edt Mon Jun 24 2024

Synopsis for the coastal waters of south coastal south carolina and north coastal georgia - High pressure will remain over the western atlantic while a weak cold front approaches the area. This front will likely linger near the area through mid-week.


7 Day Forecast for Marine Location Near Edisto Beach, SC
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Area Discussion for - Charleston, SC
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659 FXUS62 KCHS 251340 AFDCHS

Area Forecast Discussion National Weather Service Charleston SC 940 AM EDT Tue Jun 25 2024

SYNOPSIS
High pressure will remain over the western Atlantic while a weak cold front approaches the area. This front will likely linger near the area through mid-week, followed by another front towards the end of the week.

NEAR TERM /THROUGH TONIGHT/
Today: 25/13z surface analysis placed a weak southwest- northeast oriented surface trough/wind shift extending from Glennville, GA through Springfield, GA and into the Moncks Corner, SC region. The trough will move little today and may become a focus for isolated to perhaps scattered showers/tstms this afternoon. The best focus looks to occur the Colleton- Dorchester-Berkeley County corridor where the highest 850 theta-e values are progged. Pops 20-30% look on track. Similar to yesterday, an isolated strong-severe tstm can not be ruled out with damaging winds and cloud-to-ground lightning being the primary convective hazards.

Of more concern is the heat. The latest low-level thickness progs suggest highs will once again push the mid-upper 90s away from the coast with a greater signal for highs reaching the century mark across interior Southeast Georgia, possibly reaching into the Allendale and Hampton areas of South Carolina.
26/05z HRRR neighborhood probs show about a 60% chance for reaching highs 100-102 in these areas, which matches both the H3R and RAP hourly temperature progs. Highs were nudged up in this region given this trend. Dewpoints will be key to how high heat indices will reach. The deeper mixing across the interior will be fighting the stronger onshore push of higher low-level moisture noted just off the beaches this morning (dewpoints already near 80 in spots along the lower South Carolina coast per 25/13z observations). Models are struggling on exactly which process will win out. Given dewpoints are already running higher than what the latest high-res models are depicting, suspect they may be underplaying the dewpoints across the coastal corridor this afternoon. Adjusted near term dewpoints taking trends noted from yesterday support another corridor of heat indices reaching 105-112 across the coastal counties, possibly extending into southern portions of Berkeley and Dorchester Counties. The Heat Advisory looks well placed, but was expanded to include Inland Berkeley and Dorchester, mainly to take into account the southern, more urban areas of those counties where heat indices reaching 108 is the most likely. The advisory is valid Noon to 6 PM EDT. Some further adjustments to the advisory may be needed with the noon update, but the advisory area shows where the highest confidence in reaching heat indices of 108 to less than 113 is the greatest. Similar to yesterday, a few instances of heat indices reaching 113+ could occur, but these do not look widespread enough to justify an upgrade to an Excessive Heat Warning at this time.

Tonight: Any convection will diminish through the early to mid evening timeframe with quiet/mild conditions thereafter. Lows dip into the middle to upper 70s overnight...warmer along the coast.

SHORT TERM /WEDNESDAY THROUGH FRIDAY/
Wednesday: The mid-levels will consist of troughing gradually developing over the East Coast. At the surface, a weak stationary front should be located to our west and north at daybreak. It`s forecasted to dissipate into the afternoon. Though, surface troughing should remain in place across our region. A cold front should approach from the northwest overnight. Though, it`s not expected to reach our area during that time frame. Higher PWATs should gradually creep into our area as time progresses. It`s possible they could exceed 2" closer to the coast, which is above normal for this time of year. The heat will be the main concern due to 850 mb temperatures, low-level thickness values, and compression near the front. Highs are expected to reach the mid to upper 90s 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 ~108 degrees, which is borderline Heat Advisory criteria. Though, any could be brief due to afternoon convection lowering the temperatures. Both the synoptic models and the long-range CAMs have afternoon convection developing along the inland moving sea breeze.
Scattered coverage seems reasonable, especially further south.
MLCAPEs should approach 1,500-2,000 J/kg across portions of our area with some shear. With DCAPEs exceeding 1,000 J/kg, a few marginally severe storms with damaging winds are possible just about anywhere.
Additionally, there will be the potential for locally heavy rainfall underneath the thunderstorms due to fairly weak steering flow and the potential for training. Convection should quickly decrease during the evening, with the overnight being mainly dry. Lows will be in the 70s.

Thursday: Mid-level troughing initially over the East Coast will gradually shift offshore. Additionally, a shortwave is expected to move over our region during the late afternoon or evening. A cold front located just to our northwest at daybreak should very slowly move across our area during the day and into the night. There will be a plume of deep moisture ahead of the front. PWATs could exceed 2", which is above normal for this time of year. Similar to Wednesday, high temperatures are expected to reach well into the 90s for most areas, perhaps reaching 1-2 degrees higher. Dew points well into the 70s near the coast will cause heat indices to rise to ~110 degrees. So Heat Advisories may be needed for the coastal counties.
Forcing from the front, the afternoon sea breeze, and the shortwave will generate convection in the afternoon. All of the models point towards scattered to numerous coverage, which is why we have high end chance POPs. It`s a bit uncertain how much instability and shear will be in place. But given the setup a few marginally severe storms with damaging winds are possible just about anywhere. Additionally, there will be the potential for locally heavy rainfall underneath the thunderstorms due to fairly weak steering flow and the potential for training. Convection should gradually decrease during the evening. But remnant convection could persist everywhere overnight.
Lows will be in the 70s.

Friday: The mid-levels should consist of zonal flow over our region.
At the surface, a stationary front should be over our area in the morning. It`s expected to dissipate into the afternoon. Deep moisture will persist across the region. Forcing from the front and the afternoon sea breeze are expected to generate convection.
Though, the coverage will depend on how much instability is in place and the amount of shear. Similar to the previous two days, high temperatures are expected to reach well into the 90s for most areas.
Dew points well into the 70s near the coast will cause heat indices to rise as high as 108 degrees along the coast, which could prompt Heat Advisories.

LONG TERM /FRIDAY NIGHT THROUGH MONDAY/
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. Additionally, heat indices could approach 108 degrees along the coast each day.

AVIATION /13Z TUESDAY THROUGH SATURDAY/
KCHS/KJZI: VFR conditions prevail through the day into Tuesday night. However, hit and miss showers and thunderstorms are possible during the afternoon hours although confidence in coverage/timing and duration is somewhat low. But enough confidence to include VCSH to the CHS terminal forecast during the afternoon hours. Brief flight restrictions are also possible, but will not be included with the 12Z forecasts at this juncture.

KSAV: VFR conditions prevail through the TAF period. Hit and miss showers and thunderstorms are possible across southeast Georgia during the afternoon hours. But confidence in coverage/timing and duration is too low to include in the forecasts at this juncture.

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

MARINE
Southwest gustiness lingers along the South Carolina nearshore waters currently, but will be diminishing over the next few hours. Small Craft Advisories have been extended out through 6 am to allow for winds and seas to lower. Winds will continue to weaken through the morning and for the afternoon while backing southeasterly in time. Seas running 3 to 5 feet early this morning will subside to 3 feet or less tonight.

Wednesday through Saturday: A typical summertime pattern is expected with High pressure in the western Atlantic and occasional surface troughing or fronts over the Southeast. 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, possibly surging closer to the coast. Seas will be 2-3 ft.

Rip Currents: Wednesday a 1-2 ft SE swell around 8 seconds will be impacting the beaches. Though, there are hints that an additional SE swell of 1 ft around 10 seconds could also impact the beaches during the afternoon. Per internal calculations, this would bump up the rip current risk to Moderate at all of our beaches. Given the uncertainty, we opted to maintain a Low risk for now. But this will need to be reevaluated during the day.

CHS WATCHES/WARNINGS/ADVISORIES
GA...Heat Advisory until 6 PM EDT this evening for GAZ117>119- 139>141.
SC...Heat Advisory until 6 PM EDT this evening for SCZ044-045- 047>052.
MARINE...None.




Weather Reporting Stations
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Stations Dist Age Wind AirWater WavesinHgDewPt
ACXS1 - ACE Basin Reserve, SC 9 mi87 minNW 1 85°F 29.9276°F
41033 15 mi64 minSSW 5.8G9.7 82°F 83°F29.9778°F
41067 15 mi57 min 83°F4 ft
CHTS1 30 mi54 minENE 2.9G4.1 85°F 84°F29.95
41066 35 mi64 minSSW 7.8G12 82°F 82°F29.9279°F
41076 35 mi64 min 4 ft
41029 - Capers Nearshore (CAP 2) 43 mi64 minSE 1.9G3.9 84°F 83°F29.9279°F
41065 43 mi50 min 3 ft
FPKG1 - 8670870 - Fort Pulaski, GA 44 mi54 minSW 2.9G5.1 87°F 83°F29.94


Wind History for Charleston, SC
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherAirDewPtRHinHg
KARW BEAUFORT COUNTY,SC 17 sm17 mincalm10 smPartly Cloudy84°F61°F45%29.93
KNBC BEAUFORT MCAS /MERRITT FIELD/,SC 21 sm16 minSE 0410 smPartly Cloudy88°F75°F66%29.93
KJZI CHARLESTON EXECUTIVE,SC 23 sm17 minSE 0410 smClear91°F77°F63%29.94
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Wind History graph: ARW
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Tide / Current for Carters Dock, Big Bay Creek, South Carolina
   
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Carters Dock
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Tue -- 05:23 AM EDT     -0.22 feet Low Tide
Tue -- 06:15 AM EDT     Sunrise
Tue -- 09:51 AM EDT     Moonset
Tue -- 11:27 AM EDT     5.88 feet High Tide
Tue -- 05:26 PM EDT     0.00 feet Low Tide
Tue -- 08:32 PM EDT     Sunset
Tue -- 11:50 PM EDT     Moonrise
Tue -- 11:54 PM EDT     6.78 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Carters Dock, Big Bay Creek, South Carolina, Tide feet
12
am
6.6
1
am
5.6
2
am
4.2
3
am
2.5
4
am
0.8
5
am
-0.1
6
am
-0
7
am
1
8
am
2.5
9
am
4.1
10
am
5.2
11
am
5.8
12
pm
5.8
1
pm
5.1
2
pm
3.9
3
pm
2.4
4
pm
1
5
pm
0.1
6
pm
0.2
7
pm
1.1
8
pm
2.7
9
pm
4.3
10
pm
5.7
11
pm
6.5


Tide / Current for Ocella Creek, 2 mi. above entrance, South Carolina
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Ocella Creek
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Tue -- 05:31 AM EDT     -0.03 feet Low Tide
Tue -- 06:15 AM EDT     Sunrise
Tue -- 09:50 AM EDT     Moonset
Tue -- 11:51 AM EDT     5.33 feet High Tide
Tue -- 05:31 PM EDT     0.02 feet Low Tide
Tue -- 08:32 PM EDT     Sunset
Tue -- 11:50 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Ocella Creek, 2 mi. above entrance, South Carolina, Tide feet
12
am
6.6
1
am
5.8
2
am
4.3
3
am
2.6
4
am
1.1
5
am
0.1
6
am
0.1
7
am
0.8
8
am
2.1
9
am
3.4
10
am
4.5
11
am
5.1
12
pm
5.3
1
pm
4.8
2
pm
3.7
3
pm
2.3
4
pm
1
5
pm
0.1
6
pm
0.1
7
pm
0.8
8
pm
2.2
9
pm
3.7
10
pm
5
11
pm
6


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GEOS Local Image of southeast   
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Charleston, SC,




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