Wednesday, April1, 2020
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Marine Weather and Tides
Laurel Bay, SC

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 7:09AMSunset 7:44PM Wednesday April 1, 2020 5:26 PM EDT (21:26 UTC) Moonrise 11:46AMMoonset 1:31AM Illumination 64% Phase: Waxing Gibbous; Moon at 9 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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AMZ352 Waters From Edisto Beach Sc To Savannah Ga Out 20 Nm- 342 Pm Edt Wed Apr 1 2020
Tonight..N winds 15 kt early, diminishing to 10 kt late. Seas 3 to 4 ft, subsiding to 2 to 3 ft after midnight.
Thu..N winds 10 to 15 kt, becoming nw 5 to 10 kt in the afternoon. Seas 2 to 3 ft.
Thu night..NW winds 5 to 10 kt. Seas 2 ft.
Fri..N winds 10 to 15 kt, becoming W 5 to 10 kt in the afternoon. Seas 2 ft.
Fri night..W winds 5 to 10 kt, becoming nw after midnight. Seas 2 ft.
Sat..NE winds 5 to 10 kt. Seas 2 to 3 ft.
Sat night..SE winds 5 to 10 kt. Seas 2 to 3 ft.
Sun..SE winds 5 to 10 kt. Seas 2 to 3 ft.
Sun night..S winds 5 to 10 kt. Seas 2 to 3 ft.
Mon..SW winds 5 to 10 kt. Seas 2 to 3 ft.
Mon night..S winds 10 to 15 kt. Seas 2 to 3 ft. A slight chance of showers.
AMZ300 342 Pm Edt Wed Apr 1 2020
Synopsis for the coastal waters of south coastal south carolina and north coastal georgia.. High pressure will prevail into early next week. A weakening front will approach the region during the early to middle of next week.


7 Day Forecast for Marine Location Near Laurel Bay, SC
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location: 32.49, -80.82     debug


Area Discussion for - Charleston, SC
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FXUS62 KCHS 011946 AFDCHS

Area Forecast Discussion National Weather Service Charleston SC 346 PM EDT Wed Apr 1 2020

SYNOPSIS. High pressure will prevail into early next week. A weakening front will approach the region during the early to middle of next week.

NEAR TERM /UNTIL 6 AM THURSDAY MORNING/. Tonight: High pressure centered north of the Great Lake region will build into the forecast area through the overnight. Model time heights and soundings show moisture in the 4-6 kft range steadily decreasing with time, so overall degree of ongoing stratocumulus should diminish this evening and through the overnight. Don't think we will see totally clear skies, but not enough cloud cover to impact other forecast parameters. Expect a much cooler night with lows ranging from the low 40s inland to the low 50s at the coast.

SHORT TERM /6 AM THURSDAY MORNING THROUGH SATURDAY/. High confidence this period with high pressure maintaining dry weather and near to below normal temperatures. Temperatures will generally modify through the period, except possibly Saturday when there will be a bit more cloud cover. Can't completely rule out some sheltered inland spots dipping into the upper 30s Thursday night.

LONG TERM /SATURDAY NIGHT THROUGH WEDNESDAY/. Surface high pressure will remain in control through early next week. Models show a weak front approaching the region, however it appears to stall and/or dissipate before reaching the forecast area. Dry conditions are expected on Sunday and possibly Monday, then rain chances will return as moisture increases and shortwave energy passes through. Temperatures through the period will be above normal as heights build aloft.

AVIATION /20Z WEDNESDAY THROUGH MONDAY/. VFR ceilings possible through the rest of the afternoon with some wind gusts into the 15-18 knot range. Skies will clear this evening and tonight. VFR through 18z Thursday.

Extended Aviation Outlook: Low risk for restrictions mainly starting Monday for low clouds and/or showers.

MARINE. Tonight: High pressure will build in from the north but the pressure gradient will be relaxed from the daytime period. Winds will be out of the north, with wind speeds decreasing through the night. Speeds will start out this evening as high as 15-20 knots, and will end more in the 10-15 knot range by sunrise Thursday. Seas will also steadily drop off, becoming 2-4 feet by late tonight.

Thursday through Monday: High confidence this period with no significant concerns as high pressure prevails. Small risk for marginal Small Craft Advisory conditions in the offshore waters starting Saturday night as seas potentially build to 6 feet beyond 40 nm.

TIDES/COASTAL FLOODING. Elevated tide levels are expected through at least early next week due to astronomical influences from the upcoming full moon and lunar perigee as well as onshore winds and swells. Minor saltwater flooding will be possible around the times of high tide, especially each evening.

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



NEAR TERM . BSH SHORT TERM . RJB LONG TERM . ETM AVIATION . BSH/RJB MARINE . BSH/RJB TIDES/COASTAL FLOODING .


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ACXS1 - ACE Basin Reserve, SC 20 mi101 min NW 4.1 61°F 1011 hPa43°F
41033 26 mi78 min NNW 12 G 16 60°F 66°F1010.3 hPa
FPKG1 - 8670870 - Fort Pulaski, GA 32 mi56 min NNW 12 G 15 62°F 65°F1011.5 hPa
FBIS1 - Folly Island, SC 51 mi86 min N 15 G 19 59°F 1011.2 hPa (+0.0)47°F

Wind History for Fort Pulaski, GA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Beaufort, Marine Corps Air Station, SC5 mi30 minNNW 1110.00 miMostly Cloudy65°F39°F40%1011.3 hPa
Beaufort County Airport, SC11 mi31 minNW 710.00 miMostly Cloudy61°F41°F48%1011.2 hPa
Hilton Head Island, Hilton Head Airport, SC20 mi36 minN 6 G 1210.00 miMostly Cloudy63°F41°F45%1011.5 hPa

Link to 5 minute data for KNBC

Wind History from NBC (wind in knots)
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1 day agoNW7W8W3CalmSW5W6--W8NW4CalmCalmCalmCalmCalmCalmCalmCalmSE4SE4SE7E11SE7SE8SE5
2 days agoS7S5S5S6S6S4S4SW6SW5W5W4W5SW3CalmW4NW5NW8NW9N75W7NW94W7
G15

Tide / Current Tables for RR. Bridge, Hall Island, South Carolina
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RR. Bridge
Click for Map
Wed -- 02:31 AM EDT     Moonset
Wed -- 03:49 AM EDT     7.93 feet High Tide
Wed -- 06:21 AM EDT     First Quarter
Wed -- 07:10 AM EDT     Sunrise
Wed -- 10:03 AM EDT     1.18 feet Low Tide
Wed -- 12:45 PM EDT     Moonrise
Wed -- 04:25 PM EDT     6.76 feet High Tide
Wed -- 07:43 PM EDT     Sunset
Wed -- 10:25 PM EDT     0.88 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.75.46.87.77.97.364.32.81.61.21.52.53.95.26.26.76.65.84.531.711

Tide / Current Tables for North Dawson Landing, Coosawhatchie River, South Carolina
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North Dawson Landing
Click for Map
Wed -- 02:31 AM EDT     Moonset
Wed -- 04:43 AM EDT     7.59 feet High Tide
Wed -- 06:21 AM EDT     First Quarter
Wed -- 07:11 AM EDT     Sunrise
Wed -- 10:49 AM EDT     1.28 feet Low Tide
Wed -- 12:45 PM EDT     Moonrise
Wed -- 05:20 PM EDT     6.47 feet High Tide
Wed -- 07:44 PM EDT     Sunset
Wed -- 11:11 PM EDT     0.96 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.33.85.46.77.47.66.95.642.51.61.31.72.745.166.46.35.54.12.71.61

Weather Map
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wmap_A
GEOS Local Image of Southeast    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Charleston, SC (17,4,5,8)
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Ground Weather Radar Station Charleston, SC
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weather_mapweather_map weather_map

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Disclaimer:
The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerous of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.