Friday, April10, 2020
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Marine Weather and Tides
Lake Murray of Richland, 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 6:57AMSunset 7:53PM Friday April 10, 2020 3:20 AM EDT (07:20 UTC) Moonrise 10:09PMMoonset 7:57AM Illumination 94% Phase: Waning Gibbous; Moon at 17 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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7 Day Forecast for Marine Location Near Lake Murray of Richland, SC
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location: 34.12, -81.27     debug


Area Discussion for - Columbia, SC
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FXUS62 KCAE 100543 AFDCAE

Area Forecast Discussion National Weather Service Columbia SC 143 AM EDT Fri Apr 10 2020

SYNOPSIS. Dry and more seasonable temperatures expected Friday and Saturday. A strong low pressure system will move into the area Sunday through early Monday with high chance showers and possible thunderstorms. Behind the system temperatures are expected to be near or below normal through the middle of next week.

NEAR TERM /UNTIL 8 AM THIS MORNING/. Fair. Dry front has pushed through the forecast area. Dry low level air will continue to filter in overnight. Wind speeds will gradually decrease. Some high level cloudiness ahead of an upper impulse will spread over the region tonight.

SHORT TERM /8 AM THIS MORNING THROUGH SATURDAY NIGHT/. Cool Canadian high pressure centered over the central conus will push a cool and dry airmass over our area Friday. As the center of the high sits to our west, a lingering pressure gradient will support cold air advection through the day on Friday with winds out of the northwest. This will keep high temperatures below normal, mainly in the 60s. The center of high pressure will move into the region Friday night. Clear skies and light winds will create good radiational cooling conditions. Temperatures will fall into the mid and upper 30s for most locations. A frost advisory may be needed, especially for the northern/northwestern portions of the forecast area.

Saturday, surface high pressure will move off the coast with slightly rising 500 mb heights. Afternoon temperatures will warm into the upper 60s and lower 70s. Moisture will increase Saturday night with PWATs around one inch by dawn Sunday. Could see showers develop after midnight as isentropic lift increases. Overnight lows are expected to fall into the upper 40s and lower 50s.

LONG TERM /SUNDAY THROUGH THURSDAY/. The potential continues for severe weather late Sunday into Monday morning. The GFS is still slightly faster than the ECMWF taking the system through Monday morning.

A warm front is progged to push north of the Midlands Sunday. Moderate instability along with strong deep layer shear could lead to severe thunderstorm development ahead of a cold front Sunday night into Monday morning.

There is still some uncertainty as to the severe threat, although the CSRA is the most likely area. Models agree on significant rainfall with this system. GEFS ensemble members show an average around 2.5 inches of rain through Monday.

A shortwave trough is forecast to take on a neutral to slightly negative tilt by Sunday afternoon as it races across the Southeastern states. Rich low-level moisture will be drawn inland from the Gulf of Mexico in advance of a deepening surface low that will move from the mid-MS Valley into the Ohio Valley by Monday morning. Moderate destabilization in conjunction with an 80-100 kt midlevel jet and 50-60 kt low-level jet will result in a very favorable environment for organized convection to our west through Sunday evening. The severe threat will likely continue Sunday night into Monday morning for our area. Very strong wind fields will support a threat of damaging winds and perhaps a few tornadoes before convection finally moves offshore Monday afternoon. Should see drying through Tuesday.

Models diverge again around mid-week. The ECMWF depicts the development of a frontal wave across the northeast Gulf Tuesday night, which then moves northeastward into GA and the eastern Carolinas into Wednesday . bringing a chance for showers. The GFS has the wave farther south and east . crossing central FL them moving out to sea. Both the GFS and ECMWF move the wave out to sea by Thursday with dry high pressure building in from the west.

AVIATION /06Z FRIDAY THROUGH TUESDAY/. High confidence in VFR conditions throughout the 24-hr TAF period.

Cold front continues to push away from the region along the coast with breezy westerly winds continuing through the night. A reinforcing front will bring a shift in wind direction more to the northwest after 12z with winds increasing to 15 to 20 knots with gusts to 25 knots through the day with deep mixing expected. No fog through the period due to mixing and dry air. Winds will subside with sunset this evening with winds lowering to around 5 knots from the north.

EXTENDED AVIATION OUTLOOK . Restrictions possible late Saturday night and Sunday as a strong storm system moves into the area with widespread precipitation. Gusty winds possible behind the system early next week.

FIRE WEATHER. Elevated fire danger continues Friday. NW winds 10 to 15 mph, with gusts to 20 mph, and min afternoon RH values 20 to 25 percent are expected. A burning ban remains in effect for the state of SC, issued by the SC Forestry Commission.

CAE WATCHES/WARNINGS/ADVISORIES. GA . None. SC . None.




Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
LMFS1 - Lake Murray SC 1 mi60 min WNW 7 G 16 66°F 1004.7 hPa
WATS1 - Lake Wateree, SC 34 mi50 min NW 11 G 13 65°F

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Columbia, Columbia Metropolitan Airport, SC14 mi84 minWNW 1110.00 miA Few Clouds67°F32°F27%1005.1 hPa
Winnsboro/Fairfield County Airport, SC16 mi25 minNW 410.00 miFair61°F32°F34%1005.1 hPa
Columbia - Jim Hamilton L.B. Owens Airport, SC18 mi27 minWNW 6 G 1410.00 miFair68°F30°F24%1005.1 hPa
Newberry County Airport, SC24 mi25 minW 510.00 miFair59°F32°F36%1006.8 hPa

Link to 5 minute data for KCAE

Wind History from CAE (wind in knots)
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2 days agoSW10W7W4SW5SW5SW3SW4W5W7--W11SW10
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Tide / Current Tables for Bacon Bridge, Ashley River, South Carolina
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Bacon Bridge
Click for Map
Fri -- 12:59 AM EDT     2.49 feet High Tide
Fri -- 06:56 AM EDT     Sunrise
Fri -- 08:13 AM EDT     -0.26 feet Low Tide
Fri -- 08:54 AM EDT     Moonset
Fri -- 01:18 PM EDT     2.10 feet High Tide
Fri -- 07:47 PM EDT     Sunset
Fri -- 08:23 PM EDT     -0.22 feet Low Tide
Fri -- 11:02 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.32.52.421.50.90.4-0-0.3-0.10.51.21.82.12.11.81.40.90.40-0.2-0.10.41.1

Tide / Current Tables for Pimlico, West Branch, Cooper River, South Carolina
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Pimlico
Click for Map
Fri -- 01:42 AM EDT     2.29 feet High Tide
Fri -- 06:55 AM EDT     Sunrise
Fri -- 08:29 AM EDT     -0.66 feet Low Tide
Fri -- 08:53 AM EDT     Moonset
Fri -- 02:01 PM EDT     1.93 feet High Tide
Fri -- 07:47 PM EDT     Sunset
Fri -- 08:39 PM EDT     -0.57 feet Low Tide
Fri -- 11:01 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.72.22.321.60.90.3-0.3-0.6-0.6-0.10.61.31.71.91.81.40.90.3-0.2-0.5-0.5-0.20.5

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 Columbia, SC (3,6,7,8)
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Ground Weather Radar Station Columbia, SC
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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.