Friday, April3, 2020
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Marine Weather and Tides
Ridgeland, 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 7:06AMSunset 7:45PM Friday April 3, 2020 12:14 AM EDT (04:14 UTC) Moonrise 1:52PMMoonset 3:16AM Illumination 76% Phase: Waxing Gibbous; Moon at 10 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- 1203 Am Edt Fri Apr 3 2020
Rest of tonight..NW winds 5 to 10 kt. Seas 2 ft.
Fri..N winds 5 to 10 kt, becoming W in the afternoon. Seas 1 to 2 ft.
Fri night..SW winds 5 to 10 kt, becoming nw after midnight. Seas 2 ft.
Sat..NE winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 ft.
Sat night..E winds 5 to 10 kt. Seas 2 to 3 ft.
Sun..E winds 5 to 10 kt. Seas 2 to 3 ft.
Sun night..SE winds 5 to 10 kt. Seas 2 to 3 ft.
Mon..S 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.
Tue..SW winds 10 kt. Seas 2 to 3 ft. A slight chance of showers.
Tue night..SW winds 10 kt. Seas 3 to 4 ft. A chance of showers.
AMZ300 1203 Am Edt Fri Apr 3 2020
Synopsis for the coastal waters of south coastal south carolina and north coastal georgia.. High pressure will prevail into early next week. A cold front will approach the region towards the middle of next week.


7 Day Forecast for Marine Location Near Ridgeland, SC
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location: 32.41, -80.89     debug


Area Discussion for - Charleston, SC
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FXUS62 KCHS 030203 AFDCHS

Area Forecast Discussion National Weather Service Charleston SC 1003 PM EDT Thu Apr 2 2020

SYNOPSIS. High pressure will prevail into early next week. A cold front will approach the region towards the middle of next week.

NEAR TERM /UNTIL 6 AM FRIDAY MORNING/. As of 1000 PM: A high pressure system will remain north of the forecast area through the overnight and into the early morning hours. With the weakening of the pressure gradient, clear skies are expected with temperatures ranging from mid 40s inland to low 50s along the coast. With this update, temps and dew points were lowered a one or two degrees to update with current observations. Cirrus is expected to move into the area from the west after daybreak but should remain minimal throughout the day.

As of 710 PM: IR satellite and limited surface observations indicated cool and dry conditions across the CWA. The forecast appears on track.

Previous Discussion: Tonight: High pressure centered north of the forecast area will continue to prevail through the overnight. The pressure gradient will become quite weak, and with clear skies overhead good radiational cooling conditions are expected. Expect we will see lows similar to last night, with mostly mid 40s away from the immediate coastline. Could see a few low 40s in the typical cool, sheltered locations. Cirrus will likely increase from the west late, but isn't expected to have a significant impact on temperatures.

SHORT TERM /6 AM FRIDAY MORNING THROUGH SUNDAY/. High confidence through Saturday night with moderate confidence Sunday. High pressure will prevail through the period although there could be a few showers Sunday as moisture increases and some upper-level energy potentially affects the area. Otherwise, generally expect near to below normal temperatures, except for possible above normal low temps as early as Friday night.

LONG TERM /SUNDAY NIGHT THROUGH THURSDAY/. Atlantic high pressure will be the dominant feature on Monday, with a dry forecast to continue. High pressure will then weaken as low pressure and an associated cold front moves into the eastern U.S. towards the middle of the week. Differences exist between model solutions regarding details, but moisture will increase and a stream of shortwave energy is progged to pass through, so rain chances will return. PoPs are held in the chance range. Temperatures will be above normal through the period.

AVIATION /02Z FRIDAY THROUGH TUESDAY/. VFR conditions will prevail at KCHS and KSAV through 00z Saturday.

Extended Aviation Outlook: High confidence of VFR conditions at KCHS/KSAV Friday night through at least Saturday, then low confidence starting as early as Saturday night but more likely starting Monday night due to possible restrictions from low clouds and/or showers.

MARINE. Tonight: High pressure to the north will prevail and continue to drive north to northwest flow across the local waters. Winds will continue to drop off to around 10 knots or less in the overnight period before increasing around daybreak. Winds should still top out around 15 knots, mainly across the Charleston County waters. Seas are expected to range 2-3 feet out to 20 nm and 3-4 feet beyond.

Friday through Tuesday: 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 late Saturday night or Sunday as seas potentially build to 6 feet beyond 40 nm.

TIDES/COASTAL FLOODING. Higher than normal 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, especially along the SC coast, around the times of mostly the morning high tides early in the week and then more likely the evening high tides toward mid week.

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

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


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ACXS1 - ACE Basin Reserve, SC 25 mi89 min Calm 52°F 1016 hPa47°F
FPKG1 - 8670870 - Fort Pulaski, GA 26 mi56 min SW 4.1 G 5.1 59°F 66°F1016.8 hPa
41033 27 mi66 min WSW 9.7 G 14 64°F 67°F1015.4 hPa
FBIS1 - Folly Island, SC 56 mi74 min W 1.9 G 2.9 58°F 1016.2 hPa (+1.0)49°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, SC10 mi78 minSW 510.00 miFair51°F45°F80%1016.1 hPa
Beaufort County Airport, SC14 mi1.7 hrsW 47.00 miFair55°F46°F72%1015.9 hPa
Hilton Head Island, Hilton Head Airport, SC17 mi1.7 hrsN 010.00 miPartly Cloudy54°F50°F88%1016.6 hPa

Link to 5 minute data for KNBC

Wind History from NBC (wind in knots)
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Last 24hrCalmCalmCalmNW3N8N7N6N4NE10NE10N8N9--NW86
G15
W8NW8N8NW7----CalmSW5Calm
1 day agoNW11W13
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NW11NW9NW9NW3CalmCalmCalmE3
2 days agoW8NW4CalmCalmCalmCalmCalmCalmCalmCalmSE4SE4SE7E11SE7SE8SE5S10
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G16
W9W13
G17

Tide / Current Tables for Broughton Point, Hazzard Creek, Broad River, South Carolina
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Broughton Point
Click for Map
Fri -- 04:15 AM EDT     Moonset
Fri -- 05:51 AM EDT     7.79 feet High Tide
Fri -- 07:08 AM EDT     Sunrise
Fri -- 12:26 PM EDT     0.54 feet Low Tide
Fri -- 02:51 PM EDT     Moonrise
Fri -- 06:29 PM EDT     7.06 feet High Tide
Fri -- 07:45 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.51.32.84.76.47.57.87.264.52.91.50.60.71.63.24.86.2776.24.93.31.8

Tide / Current Tables for Hwy. 170 bridge, Broad River, South Carolina
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Hwy. 170 bridge
Click for Map
Fri -- 04:15 AM EDT     Moonset
Fri -- 05:08 AM EDT     7.50 feet High Tide
Fri -- 07:08 AM EDT     Sunrise
Fri -- 11:42 AM EDT     0.62 feet Low Tide
Fri -- 02:51 PM EDT     Moonrise
Fri -- 05:46 PM EDT     6.80 feet High Tide
Fri -- 07:44 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.12.44.15.777.57.26.24.83.21.80.90.71.42.74.35.76.66.86.25.13.72.10.8

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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Charleston, SC (0,6,7,8)
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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.