Tuesday, September28, 2021
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Marine Weather and Tides
Pawleys Island, SC

Version 3.4
NOTICE
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 7:07AMSunset 7:05PM Tuesday September 28, 2021 1:23 PM EDT (17:23 UTC) Moonrise 11:01PMMoonset 1:10PM Illumination 52% Phase: Third Quarter Moon; Moon at 22 days in cycle
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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AMZ256 Coastal Waters From Murrells Inlet To South Santee River Sc Out 20 Nm- 1208 Pm Edt Tue Sep 28 2021
This afternoon..SW winds 10 to 15 kt. Seas 2 ft.
Tonight..SW winds 10 to 15 kt. Seas 2 to 3 ft.
Wed..W winds 10 to 15 kt, becoming sw 5 to 10 kt in the afternoon. Seas 2 ft.
Wed night..S winds 5 to 10 kt, becoming se after midnight. Seas 2 ft.
Thu..E winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance of showers in the afternoon.
Thu night..E winds 5 to 10 kt. Seas 2 to 3 ft.
Fri..NE winds 10 to 15 kt, becoming E 5 to 10 kt. Seas 3 to 4 ft.
Sat..NE winds 5 to 10 kt, becoming s. Seas 3 to 4 ft.
AMZ200 1208 Pm Edt Tue Sep 28 2021
Synopsis for coastal waters from surf city north carolina to south santee river south carolina out to 20 nautical miles.. High pressure offshore today. A dry cold front will move in from the north late Wednesday. SWells from distant hurricane sam will reach the area and slowly grow in size towards the end of the week.


7 Day Forecast for Marine Location Near Pawleys Island, SC
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location: 33.45, -79.11     debug


Area Discussion for - Wilmington, NC
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FXUS62 KILM 281505 AFDILM

Area Forecast Discussion National Weather Service Wilmington NC 1105 AM EDT Tue Sep 28 2021

SYNOPSIS. Warmer weather into midweek will become more seasonable as a cold front drops down from the north by Thursday. Rain chances associated with the front will be minimal. High pressure will build in from the north over the weekend, shifting offshore on Sunday.

UPDATE. No changes needed to the warm and dry forecast in place for today with morning update.

NEAR TERM /THROUGH WEDNESDAY/. Latest sfc analysis shows 1019 mb high pressure along the SC/GA coastline with a cold front well off to the N. The high shifts offshore today, but its close proximity will still mean another quiet wx day with no rain chances and a mostly sunny sky. SW flow due to the position of the high, allowing temps to be about five degrees above normal for late Sept . highs in the mid 80s. Not much change then for tonight and Wed as the sfc high remains off the SE coast. A backdoor front will drop in from the N on Wed, but aside from a wind shift not expecting much in the way of different conditions from today . still a mostly sunny sky with high temps in the mid/upr 80s.

SHORT TERM /WEDNESDAY NIGHT THROUGH THURSDAY NIGHT/. A cold front will continue to drop farther south Wed night into Thurs, but models show a weak area of low pressure developing along front in SC on Thurs which should hold up front. Looks like there may be enough convergence or weak lift to produce minimal rain chances on Thurs out of an essentially moisture starved front. Cooler air will move in behind front on Thurs, but models differ on how much drier air will move in as high pressure builds down from the north behind front. NAM is more aggressive with pushing front farther south and bringing dewpoints down, while GFS and ECMWF keep the moisture and front closer. Temps will be several degrees cooler on Thurs as cool air begins to bleed in bringing temps back down toward normal values for this time of year. Lows will be in the 60s Wed night and Thurs night, but closer to the lower end of 60s by Thurs night.

LONG TERM /FRIDAY THROUGH TUESDAY/. Mid to upper trough shifts farther east and lifts north on Fri as ridge builds over the Southeast. High pressure building in from the north and ridge aloft should keep a dry weekend. GFS is more aggressive with moisture spilling over the ridge and mid to high clouds increasing into the weekend with column moistening up through the weekend, especially into Sun with greater potential for some pcp. For now, will stick with drier forecast of other models.

High pressure shifts off the coast on Sun with air mass modifying ahead of a cold front. Chc of pcp will increase ahead of this front, but looks like best chc will remain north and west of area on Monday. Temps should run just above normal for highs.

AVIATION /16Z TUESDAY THROUGH SATURDAY/. VFR. Another day with dry air aloft and only fair weather CU expected. Mainly westerly flow which should drive temperature well into the 80s this afternoon. Fog is possible tonight, but mainly shallow. Continued VFR on Wednesday with a light northwest wind.

Extended Outlook . VFR. A low potential exists Thursday and Thursday night for MVFR cloud ceilings along the coast.

MARINE. Through Wednesday . No headlines necessary with this forecast package. SW flow 10-15 kt today and tonight with sfc high pressure centered off the SE coast, before a backdoor cold front drops S into the area on Wed and winds become variable and aob 10 kt near the front as weak low pressure develops along it. Seas 1-3 ft during this timeframe, which includes a weak 9-10 sec easterly swell component.

Wednesday night through Saturday . Cold front will continue to drop south, but will slow up as wave of low pressure develops. Winds will be become very light and variable, north initially behind front, but will come around to the a more onshore direction into Thurs. Longer period swells from Sam out in the distant Atlantic will affect the waters. Looks like longer period, up to 15 second, swells will reach the waters on Saturday. Although seas increase into the weekend, they will remain in the 3 to 4 ft range. High pressure builds down from the north into the weekend shifting off the coast by Sun with a more southerly return flow developing.

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

SYNOPSIS . ILM UPDATE . VAO NEAR TERM . MAS SHORT TERM . RGZ LONG TERM . RGZ AVIATION . 43 MARINE . MAS/RGZ


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
NIWS1 - North Inlet-Winyah Bay Reserve, SC 8 mi98 min W 7 79°F 1018 hPa64°F
MROS1 - 8661070 - Springmaid Pier, SC 18 mi53 min 80°F
41024 - Sunset Nearshore (SUN 2) 43 mi75 min W 7.8 G 12 78°F 79°F1018.7 hPa
SSBN7 43 mi66 min 78°F2 ft

Wind History for Springmaid Pier, SC
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Georgetown County Airport , SC15 mi28 minW 710.00 miFair81°F61°F51%1017.3 hPa
Myrtle Beach International Airport, SC19 mi27 minSW 610.00 miA Few Clouds83°F64°F53%1017 hPa

Link to 5 minute data for KGGE

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Last 24hrSW5SW6CalmS7SW7S3S3SW3CalmCalmCalmCalmSW3SW3CalmW3CalmSW3W4W5W8W7SW7SW7
1 day agoNE3SE3SE5CalmS6CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmW4W6W5SW4S5
2 days agoNW6NW6W6NW4NW5CalmCalmCalmCalm--CalmCalmCalmCalm--CalmCalmCalmCalmNW7N3NE5E3Calm

Tide / Current Tables for Midway Inlet North, Pawleys Island, South Carolina
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Midway Inlet North
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Tue -- 01:04 AM EDT     3.88 feet High Tide
Tue -- 07:08 AM EDT     Sunrise
Tue -- 07:45 AM EDT     1.42 feet Low Tide
Tue -- 01:39 PM EDT     4.56 feet High Tide
Tue -- 02:10 PM EDT     Moonset
Tue -- 07:04 PM EDT     Sunset
Tue -- 08:34 PM EDT     1.91 feet Low Tide
Tue -- 09:58 PM EDT     Last Quarter
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.73.93.83.42.92.31.81.51.41.82.63.44.14.54.54.33.83.32.72.221.92.32.8

Tide / Current Tables for Allston Creek, South Carolina
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Allston Creek
Click for Map
Tue -- 01:40 AM EDT     3.74 feet High Tide
Tue -- 07:08 AM EDT     Sunrise
Tue -- 08:35 AM EDT     1.35 feet Low Tide
Tue -- 02:10 PM EDT     Moonset
Tue -- 02:15 PM EDT     4.39 feet High Tide
Tue -- 07:04 PM EDT     Sunset
Tue -- 09:24 PM EDT     1.82 feet Low Tide
Tue -- 09:58 PM EDT     Last Quarter
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.43.73.73.63.22.62.11.71.41.41.92.73.54.14.44.343.532.52.11.81.92.3

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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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