Seabrook Island, SC Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Seabrook Island, SC


December 11, 2023 2:57 PM EST (19:57 UTC)
Sunrise 7:10AM   Sunset 5:15PM   Moonrise  5:53AM   Moonset 4:02PM 

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. Privacy and Cookie policy

Marine Forecasts
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AMZ330 Charleston Harbor- 235 Pm Est Mon Dec 11 2023
Tonight..N winds 5 to 10 kt.
Tue..N winds 5 to 10 kt.
Tue night..N winds 10 kt.
Wed..NE winds 10 to 15 kt.
Wed night..NE winds 10 to 15 kt.
Thu..NE winds 15 to 20 kt with gusts to 25 kt. Waves 1 to 2 ft.
Thu night..NE winds 15 kt with gusts to 20 kt.
Fri..NE winds 15 kt.
Fri night..NE winds 15 kt.
Sat..NE winds 10 to 15 kt. A slight chance of showers.
Sat night..NE winds 15 kt. A chance of showers.
unless otherwise noted, waves 1 foot or less.
charleston harbor water temperature 60 degrees.

AMZ300 235 Pm Est Mon Dec 11 2023
Synopsis for the coastal waters of south coastal south carolina and north coastal georgia.. High pressure will extend over the area this week. A coastal low pressure system may impact the region next weekend.


7 Day Forecast for Marine Location Near Seabrook Island, SC
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Area Discussion for - Charleston, SC
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FXUS62 KCHS 111654 AFDCHS

Area Forecast Discussion National Weather Service Charleston SC 1154 AM EST Mon Dec 11 2023

SYNOPSIS
Cool high pressure will build over the area this week. A coastal low pressure system may impact the area next weekend.

NEAR TERM /THROUGH TONIGHT/
No changes are needed for the noon update. The forecast is on track.

Today: The cold front is now well offshore with post-frontal cold air advection (CAA) in progress. The degree of CAA will wane through the day. It will be a chilly day despite near full insolation with highs generally peaking in the mid-upper 50s.

Tonight: The center of high pressure is expected to remain over the southern Appalachians. There should be enough pressure gradient to support a NE winds between 3-5 mph through the night. Otherwise, conditions will be favorable for radiational cooling, clear sky with a very dry environment. Using a blend of MOS, low temperatures are forecast to range from the upper 20 inland to the upper 30s along the coast.

SHORT TERM /TUESDAY THROUGH THURSDAY/
Cool and dry high pressure will expand across the area from the northwest. Mostly sunny skies expected Tuesday, then extensive high cirrus will overspread the area Tuesday night and continue through Thursday. Downslope flow will help push highs into the mid/upper 50s Tuesday and lower 60s Wednesday. We'll lose the downslope component on Thursday as a reinforcing cold front drops through from the north, so Thursday will mainly be in the mid 50s.

LONG TERM /THURSDAY NIGHT THROUGH MONDAY/
The forecast remains fairly uncertain late week into next weekend due to model differences regarding a possible coastal low. We stuck pretty close to the NBM for PoPs brings slight chance showers Saturday and chance showers Sunday into Monday.

AVIATION /18Z MONDAY THROUGH SATURDAY/
11/18z TAF discussion: KCHS/KJZI/KSAV: VFR through 12/18z.

Extended Aviation Outlook: VFR.

MARINE
Today: Conditions will gradually improve over the coastal waters this afternoon. All Small Craft Advisories will be allowed to expire at noon.

Tonight: Winds are forecast to veer from the NE this evening, remaining tonight between 10-15 kts. Seas are forecast to range between 3-5 ft tonight.

Tuesday through Friday: Tuesday will feature moderate NE winds as high pressure continues to expand north of the region. The gradient will tighten late Tuesday night into Wednesday as an inverted trough develops well offshore. Seas will also continue to steadily build due to the persistent flow and long fetch.
Small Craft Advisories will likely be needed beginning as early as late Tuesday night for all waters outside Charleston Harbor.
We may actually need Gale headlines at some point Wednesday night into Thursday due to frequent 35 kt gusts. Otherwise, SCA conditions will continue all the way into next weekend as strong high pressure remains north of the waters.

EQUIPMENT
KCLX remains operational, but level 2 data is not being distributed to external users due to an internal hardware failure. We are still awaiting the arrival of new parts to resolve this problem. Until then, level 2 data will not be available. Radar data is available for all connected AWIPS users. Level 3 data is also available for some external users.

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


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesinHgDewPt
FBIS1 - Folly Island, SC 14 mi57 min N 6G8 54°F 30.14
ACXS1 - ACE Basin Reserve, SC 17 mi72 min NW 1.9 55°F 30.1838°F
CHTS1 17 mi57 min N 9.9G13 53°F 60°F30.14
41033 27 mi49 min N 7.8G12 53°F 60°F30.1740°F
41067 27 mi92 min 60°F2 ft
41029 - Capers Nearshore (CAP 2) 30 mi49 min NNW 5.8G12 53°F 30.1140°F
41004 - EDISTO - 41 NM Southeast of Charleston, SC 55 mi47 min N 12G18 52°F 73°F30.1343°F

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Wind History for Charleston, SC
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KJZI CHARLESTON EXECUTIVE,SC 10 sm22 minNNW 0810 smClear59°F37°F45%30.13
KCHS CHARLESTON AFB/INTL,SC 21 sm61 minNW 0910 smA Few Clouds57°F34°F41%30.13

Wind History from JZI
(wind in knots)


Tide / Current for Kiawah River Bridge, South Carolina
   
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Kiawah River Bridge
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Mon -- 12:08 AM EST     0.19 feet Low Tide
Mon -- 05:52 AM EST     Moonrise
Mon -- 06:41 AM EST     6.33 feet High Tide
Mon -- 07:12 AM EST     Sunrise
Mon -- 12:55 PM EST     0.35 feet Low Tide
Mon -- 04:02 PM EST     Moonset
Mon -- 05:15 PM EST     Sunset
Mon -- 06:47 PM EST     5.14 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Kiawah River Bridge, South Carolina, Tide feet
12
am
0.2
1
am
0.5
2
am
1.5
3
am
3
4
am
4.4
5
am
5.5
6
am
6.2
7
am
6.3
8
am
5.7
9
am
4.6
10
am
3.2
11
am
1.8
12
pm
0.7
1
pm
0.4
2
pm
0.8
3
pm
1.9
4
pm
3.2
5
pm
4.3
6
pm
5
7
pm
5.1
8
pm
4.7
9
pm
3.7
10
pm
2.5
11
pm
1.2



Tide / Current for Charleston Harbor Entrance, South Carolina Current
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Charleston Harbor Entrance
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Mon -- 12:33 AM EST     0.00 knots Slack
Mon -- 03:14 AM EST     1.71 knots Max Flood
Mon -- 05:51 AM EST     Moonrise
Mon -- 07:05 AM EST     -0.00 knots Slack
Mon -- 07:11 AM EST     Sunrise
Mon -- 10:19 AM EST     -2.53 knots Max Ebb
Mon -- 01:23 PM EST     0.00 knots Slack
Mon -- 03:34 PM EST     1.53 knots Max Flood
Mon -- 04:00 PM EST     Moonset
Mon -- 05:13 PM EST     Sunset
Mon -- 06:54 PM EST     -0.00 knots Slack
Mon -- 10:16 PM EST     -2.16 knots Max Ebb
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
-0.5
1
am
0.4
2
am
1.3
3
am
1.7
4
am
1.6
5
am
1.3
6
am
0.9
7
am
0.1
8
am
-1
9
am
-1.9
10
am
-2.5
11
am
-2.3
12
pm
-1.5
1
pm
-0.4
2
pm
0.7
3
pm
1.4
4
pm
1.5
5
pm
1.1
6
pm
0.6
7
pm
-0.1
8
pm
-1
9
pm
-1.7
10
pm
-2.1
11
pm
-2




Weather Map
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Charleston, SC,



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