Thursday, August6, 2020
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Marine Weather and Tides
Estill, 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 6:44AMSunset 8:21PM Thursday August 6, 2020 8:42 PM EDT (00:42 UTC) Moonrise 9:28PMMoonset 8:21AM Illumination 91% Phase: Waning Gibbous; Moon at 18 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- 637 Pm Edt Thu Aug 6 2020
Tonight..S winds 10 to 15 kt. Seas 2 to 3 ft. A slight chance of showers and tstms.
Fri..S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms, mainly in the morning.
Fri night..S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms.
Sat..S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms, mainly in the morning.
Sat night..S winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance of showers and tstms.
Sun..SW winds 5 to 10 kt, becoming S in the afternoon. Seas 2 to 3 ft. A slight chance of showers and tstms.
Sun night..SW winds 5 to 10 kt. Seas 2 ft. A chance of showers and tstms.
Mon..S winds 5 to 10 kt. Seas 2 ft. A chance of showers and tstms.
Mon night..S winds 5 to 10 kt. Seas 2 ft. A chance of showers and tstms.
Tue..SW winds 5 to 10 kt. Seas 2 ft. A chance of showers and tstms.
Tue night..S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms. Mariners are reminded that winds and seas higher in and near tstms.
AMZ300 637 Pm Edt Thu Aug 6 2020
Synopsis for the coastal waters of south coastal south carolina and north coastal georgia.. A weak stationary front will linger in the vicinity through the weekend, dissipating by early next week. Thereafter, the region will remain situated between atlantic high pressure and an inland trough of low pressure.


7 Day Forecast for Marine Location Near Estill, SC
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location: 32.77, -81.22     debug


Area Discussion for - Charleston, SC
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FXUS62 KCHS 062338 AFDCHS

Area Forecast Discussion National Weather Service Charleston SC 738 PM EDT Thu Aug 6 2020

SYNOPSIS. A weak stationary front will linger in the vicinity through the weekend, dissipating by early next week. Thereafter, the region will remain situated between Atlantic high pressure and an inland trough of low pressure.

NEAR TERM /UNTIL 6 AM FRIDAY MORNING/. The area will remain under a stationary front and between an upper- level trough and surface Atlantic high pressure tonight.

Isolated to low end scattered diurnal convection will continue to fade this evening, and will leave us with mostly rainfree convection from late evening through late tonight. As we approach daybreak, the combination of weak short wave energy aloft and low level moisture convergence from off the ocean will lead to additional isolated to maybe scattered convection, especially over the coastal zones.

Persistence is the best forecast regarding min temps, which will average around 2-4F above climo.

SHORT TERM /6 AM FRIDAY MORNING THROUGH SUNDAY/. Friday through Sunday: Aloft, the forecast area will sit on the eastern periphery of a weak trough, along the border of the Atlantic ridge. At the surface, a nearly stationary boundary will meander around Georgia and the Carolinas. Overall, a fairly common looking summertime pattern, with perhaps a bit more convective coverage thanks to the presence of the trough and the boundary. At least scattered coverage of thunderstorms is expected each day, with time periods where different areas will need locally higher rain chances. Models also hint at nocturnal thunderstorm activity, primarily for the coastal waters, but could impact coastal areas each night. It's hard to call the severe threat particularly significant, but with boundary interactions we will likely see a couple of strong to marginally severe storms each day. Storm motion will likely be slow and precipitable water values will be over 2 inches, especially Friday. Locally heavy rainfall will be possible. Look for highs in the low to mid 90s. Lows should range in the low to mid 70s away from the coast and upper 70s to low 80s at the beaches.

LONG TERM /SUNDAY NIGHT THROUGH THURSDAY/. A typical mid-summer pattern will prevail, featuring at least normal coverage of diurnal thunderstorms and typically hot/humid conditions. The stationary front will dissipate early week and will give way to an inland trough of low pressure. Also, the upper trough over the eastern Conus is progged to weaken/shift west, and the Atlantic Ridge should build/expand over the region. This could translate to somewhat diminished coverage of diurnal precipitation, as compared with the relatively active period through this weekend. However, given the persistence of PWAT values over 2 inches, scattered thunderstorms should continue to readily develop along the sea breeze/outflow boundaries each day.

AVIATION /00Z FRIDAY THROUGH TUESDAY/. Convection is over with the both KCHS and KSAV for tonight, but there is again a chance for additional SHRA/TSRA on Friday due to considerable moisture in sync with numerous meso-scale boundary interactions. We have VCTS to account for scattered to perhaps numerous SHRA/TSRA occurring, mainly between 15Z and 21Z at KCHS and after 19Z at KSAV. Flight restrictions are likely, along with the potential for strong wind gusts. Later TAF's will need to address these concerns more in detail.

Extended Aviation Outlook: Brief flight restrictions are possible due to showers/thunderstorms, just about any time but mainly each afternoon and evening. Otherwise, VFR.

MARINE. Tonight: the local waters will remain sandwiched between a stationary front inland over the Southeast and high pressure to the east. The result will be for mostly S winds at or below 15 kt, with seas 2 or 3 ft. Isolated to scattered convection this evening and again late tonight could result in briefly stronger winds and higher seas.

Friday through Tuesday: Atlantic high pressure will drive a prevailing south to southwest flow through early next week. Winds will peak each afternoon and evening with the diurnal sea breeze and with modest nocturnal surging. Speeds should top out around 15 knots through the period. Seas will average 2-3 feet.

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

NEAR TERM . SHORT TERM . BSH LONG TERM . AVIATION . MARINE .


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ACXS1 - ACE Basin Reserve, SC 43 mi57 min SSE 1.9 83°F 1017 hPa79°F
FPKG1 - 8670870 - Fort Pulaski, GA 53 mi54 min NW 2.9 G 8 78°F 86°F1017.9 hPa

Wind History for Fort Pulaski, GA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Sylvania, Plantation Airpark, GA22 mi47 minS 310.00 miThunderstorm in Vicinity75°F72°F91%1016.3 hPa

Link to 5 minute data for KJYL

Wind History from JYL (wind in knots)
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Last 24hrSE8E5CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmSW3SW3CalmCalmSW5W3CalmCalmNE7E13
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1 day agoS3S3CalmCalmCalmCalmCalmCalmCalmCalmCalmSE3S3CalmCalmCalmSE3SE3S4SW4SW5E13
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Tide / Current Tables for Tulifiny River, I-95 bridge, South Carolina
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Tulifiny River
Click for Map
Thu -- 01:48 AM EDT     5.50 feet High Tide
Thu -- 06:41 AM EDT     Sunrise
Thu -- 08:19 AM EDT     0.12 feet Low Tide
Thu -- 09:20 AM EDT     Moonset
Thu -- 02:03 PM EDT     4.93 feet High Tide
Thu -- 08:16 PM EDT     Sunset
Thu -- 08:25 PM EDT     0.38 feet Low Tide
Thu -- 10:25 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.55.35.55.14.33.21.90.80.20.31.22.53.74.64.94.743.1210.40.51.32.5

Tide / Current Tables for North Dawson Landing, Coosawhatchie River, South Carolina
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North Dawson Landing
Click for Map
Thu -- 12:58 AM EDT     8.44 feet High Tide
Thu -- 06:41 AM EDT     Sunrise
Thu -- 06:58 AM EDT     0.18 feet Low Tide
Thu -- 09:20 AM EDT     Moonset
Thu -- 01:13 PM EDT     7.56 feet High Tide
Thu -- 07:04 PM EDT     0.59 feet Low Tide
Thu -- 08:16 PM EDT     Sunset
Thu -- 10:25 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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8.18.47.96.64.72.60.90.20.72.245.777.57.36.24.62.81.30.612.345.7

Weather Map
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wmap_A
GEOS Local Image of    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.
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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Charleston, SC (20,4,5,8)
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Ground Weather Radar Station Charleston, SC
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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.