Tuesday, August11, 2020
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Marine Weather and Tides
Red Bank, 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 6:42AMSunset 8:17PM Tuesday August 11, 2020 7:58 PM EDT (23:58 UTC) Moonrise 11:51PMMoonset 12:56PM Illumination 44% Phase: Third Quarter Moon; Moon at 23 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 Red Bank, SC
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location: 33.92, -81.22     debug


Area Discussion for - Columbia, SC
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FXUS62 KCAE 111808 AFDCAE

Area Forecast Discussion National Weather Service Columbia SC 208 PM EDT Tue Aug 11 2020

SYNOPSIS. With the Bermuda high offshore and a persistent upper level trough in the Lower Mississippi Valley, a moist and unstable air mass will remain across the area through the week. Scattered to numerous showers and thunderstorms are expected each day primarily during the afternoon and evening periods. Temperatures will be near normal.

NEAR TERM /THROUGH TONIGHT/. Regional radar as of 18Z showing a few storms along the western Carolinas, but nothing has developed across the forecast area just yet. Low clouds lingered across the northern portion of the area through much of the morning which has led to less instability this afternoon. Stratus has since scattered out with scattered showers and thunderstorms still expected by mid to late afternoon. Convection may fire along lingering boundaries from yesterday's storms or along thermal boundaries given the gradient in temperatures across the area. The best shortwave energy will remain well to our west. Precipitable water values are around 1.7 to 1.9 inches across the area. Instability appears weak to moderate along with weak shear, so the overall severe threat is low. Still, cannot rule out an isolated pulse storm producing strong winds given DCAPE values around 800 to 900 J/kg in the western Midlands. Expect the bulk of the convection to diminish with loss of heating this evening, but a few storms could continue into tonight. Overnight lows in the lower 70s.

SHORT TERM /WEDNESDAY THROUGH THURSDAY NIGHT/. The models show a mid level trough over the eastern Carolinas and Georgia and a closed low over the central MS Valley, slowly moving east. Should also see convergence along a surface trough lingering in the area. Ample moisture and diurnal instability will keep the chance for scattered to numerous showers and thunderstorms each day, though convection expected to be a bit more widespread Thursday given weak warm advection and slightly stronger instability. Overall, the airmass is forecast to be moderately unstable with precipitable water near or above 2 inches. Convection should remain mainly diurnally driven, but linger into the nighttime. Severe threat should be low with deep moisture. Locally heavy rain/flooding of low lying areas will be possible with weak steering flow.

Afternoon highs in the upper 80s and low 90s expected with overnight lows in the low to mid 70s.

LONG TERM /FRIDAY THROUGH TUESDAY/. Mid level trough through Ohio and Lower Mississippi Valley expected to slowly push east and through the region over the weekend. Above average POPs due to SW moisture flow and increased lift, with temperatures at around normal for this time of year. Multiple rounds of shortwave energy expected to traverse the region over the late week. There is potential for some locally heavy rainfall late in the week, with PWATS above 2 inches by Friday. Most convection will be during peak heating periods, but there is potential for showers outside typical afternoon. Models have some inconsistency by the weekend, with GFS showing a frontal passage through the area over Sunday night, keeping moisture off to our east SUN/MON. ECMWF has moisture sticking around through the weekend into early next week. Due to the inconsistencies, have kept chance POPs in for the later part of the period.

AVIATION /18Z TUESDAY THROUGH SUNDAY/. Restrictions in scattered diurnal convection and possible early morning fog/stratus.

Regional radar not showing any returns across the Midlands or Central Savannah River Area as of 18Z, but scattered convection is expected to develop later this afternoon with restrictions possible at the terminals. Storms will be capable of producing heavy rain and strong winds. Included only VCSH during the late afternoon given expected low coverage. Models are indicating potential for fog and stratus late tonight and early Wednesday given light/calm winds and ample low level moisture. There will be some clouds around overnight which could limit fog potential, so confidence is low at this time.

EXTENDED AVIATION OUTLOOK . Restrictions possible each day in mainly diurnally driven convection as well as potential for late night/early morning fog/stratus.

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 13 mi39 min ESE 5.1 G 8.9 87°F
WATS1 - Lake Wateree, SC 40 mi69 min NNW 1.9 G 1.9 91°F

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Columbia, Columbia Metropolitan Airport, SC6 mi63 minESE 610.00 miPartly Cloudy88°F73°F61%1012.8 hPa
Columbia - Jim Hamilton L.B. Owens Airport, SC13 mi66 minN 010.00 miFair88°F75°F66%1013.3 hPa
McEntire Air National Guard Weather Facility Base, SC22 mi63 minE 310.00 miPartly Cloudy87°F75°F69%1013.6 hPa

Link to 5 minute data for KCAE

Wind History from CAE (wind in knots)
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Last 24hrW8S4S4S3CalmW4SW4SW4CalmS3SW3SW5S5SW4S44W3CalmCalmCalmN4W65E6
1 day agoSE5NW9W7CalmCalmSE4CalmSW4W3CalmCalmSW3CalmSW4W3SW536W3S3W5NW9
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2 days agoW4CalmS3SW3S5CalmSW3S3SW3SW3W3W4S4W4CalmW4SW4Calm354S6SE6SE6

Tide / Current Tables for Bacon Bridge, Ashley River, South Carolina
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Bacon Bridge
Click for Map
Tue -- 12:15 AM EDT     Moonrise
Tue -- 04:12 AM EDT     1.72 feet High Tide
Tue -- 06:41 AM EDT     Sunrise
Tue -- 11:35 AM EDT     0.32 feet Low Tide
Tue -- 12:47 PM EDT     Last Quarter
Tue -- 01:50 PM EDT     Moonset
Tue -- 04:50 PM EDT     1.87 feet High Tide
Tue -- 08:09 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.60.91.31.61.71.71.51.310.70.50.30.30.61.11.51.81.91.81.61.31.10.80.6

Tide / Current Tables for Cuckolds Creek, Combahee River, South Carolina
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Cuckolds Creek
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Tue -- 12:18 AM EDT     Moonrise
Tue -- 06:43 AM EDT     Sunrise
Tue -- 06:45 AM EDT     3.11 feet High Tide
Tue -- 12:14 PM EDT     1.65 feet Low Tide
Tue -- 12:47 PM EDT     Last Quarter
Tue -- 01:52 PM EDT     Moonset
Tue -- 07:11 PM EDT     3.37 feet High Tide
Tue -- 08:11 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.72.72.82.9333.13.12.92.62.21.81.71.71.92.32.733.33.43.33.33.13

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 (19,4,5,8)
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Ground Weather Radar Station Columbia, 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.