Monday, December9, 2019
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Marine Weather and Tides
Red Bank, SC

Version 3.4
NOTICE
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.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 7:17AMSunset 5:17PM Monday December 9, 2019 9:58 AM EST (14:58 UTC) Moonrise 3:47PMMoonset 4:34AM Illumination 94% Phase: Waxing Gibbous; Moon at 13 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 091116 AFDCAE

Area Forecast Discussion National Weather Service Columbia SC 616 AM EST Mon Dec 9 2019

SYNOPSIS. A warm front will lift northward and through the forecast area today. The bulk of the moisture associated with an approaching cold front will stay northwest of the area through Tuesday. The front and associated deeper moisture will be in the region Tuesday night. It will be warm and breezy ahead of the front Tuesday. High moisture just behind the front will linger into Wednesday. Dry high pressure will ridge into the area from the north Thursday. Moisture will return Friday ahead of low pressure in the Gulf of Mexico.

NEAR TERM /THROUGH TONIGHT/. Low clouds will persist this morning due to isentropic lift ahead of a warm front and in-situ wedge conditions. Showers have developed north of the area in association with a weak shortwave, and could move into the northern CSRA and western Midlands by morning, but most of the forecast area should remain dry. The warm front will lift northwestward across the region by late morning, and should mainly be west of the area by afternoon. The best chance for showers will therefore remain across the western portion of the forecast area, but confidence is low so only kept a slight chance. Temperatures will naturally warm with this front, reaching into the mid 60s to low 70s south. After sunset this evening, temps will fall into the upper 50s to low 60s, and should hold steady through most of the night under overcast skies.

SHORT TERM /TUESDAY THROUGH WEDNESDAY NIGHT/. Tuesday . The warm advection pattern ahead of the approaching cold front supports showers but expect little coverage because the models have been consistent keeping the bulk of the moisture along the slow moving front northwest of the area. Significant upper lift also appears lacking. A model blend supports just chance pops, mainly in the northwest part. The models display a strong low-level jet with h85 wind 30 to 40 knots but expect limited mixing. The GFS and NAM indicate surface-based LI values 0 to 2. Also, expect considerable cloudiness. The GFS and NAM Bufkit momentum transfer tool suggest potential wind gusts around 20 knots. We followed the GFS and ECMWF MOS for the temperature forecast.

Tuesday night . Convergence along the cold front plus upper lift associated with the right entrance region of an h25 jet support numerous showers. We leaned toward the higher guidance pops. A model blend indicated rain totals less than 0.25 of an inch in the south and central sections, and 0.25 to 0.5 of an inch in the north part. Mixing along the front favored the higher low temperature guidance.

Wednesday and Wednesday night . Expect lingering high moisture in a northeast flow just behind the cold front at least early Wednesday. The GFS maintained significant moisture longer compared to the ECMWF. We kept chance pops diminishing in the northwest part Wednesday afternoon. It will be much cooler behind the front. We leaned toward the lower temperature guidance because of the northeast flow and cloudiness Wednesday.

LONG TERM /THURSDAY THROUGH SUNDAY/. Expect mainly dry conditions Thursday with high pressure ridging into the area and significant moisture along the front just off the coast. The GFS did show a tight moisture gradient closer to the southeast section supporting a small rain chance.

The models continued to have a high spread with the moisture return ahead of low pressure in the Gulf for Thursday night and Friday with the operational ECMWF slower moving moisture back into the area. The GFS was more threatening with moisture reaching the area during the early morning hours Friday with temperatures close to freezing in the north section. A top-down method using the GFS and a model blend for the surface temperature forecast indicated liquid precipitation, but freezing rain was close to the extreme north part of the area.

Later Friday, the GFS and ECMWF indicated some warming associated with more of an onshore flow and low pressure closer to the area. The models indicate less moisture Saturday and especially Sunday in a westerly flow with low pressure lifting farther northeast of the area and weak high pressure moving into the region.

AVIATION /12Z MONDAY THROUGH FRIDAY/. The main concern continues to be CIGs/VSBYs this morning, as surface high pressure gradually weakens and isentropic lift ahead of a warm front brings in moisture and low cloudiness. Patchy fog is still possible at OGB/CUB/CAE, but confidence is low since low level air in place is quite dry and there has been no significant widespread precipitation. Ceilings should return to VFR during the afternoon, but BKN to OVC skies will persist. Winds will shift from northeast to southwest around mid-day and increase to 5 to 10 kts with the front. LLWS expected this morning ahead of the warm frontal passage, and at least weak shear will persist through the next 24 hours.

Ceilings are expected to lower to MVFR/IFR again overnight into Tuesday morning.

EXTENDED AVIATION OUTLOOK . Relatively high confidence in late night and early morning MVFR/IFR cig restrictions through Tuesday night until a cold front crosses the area by early Wednesday.

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 mi38 min ESE 2.9 G 5.1 47°F
WATS1 - Lake Wateree, SC 40 mi88 min Calm G 1.9 45°F

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Columbia, Columbia Metropolitan Airport, SC6 mi2 hrsNNW 34.00 miFog/Mist46°F43°F89%1021.1 hPa
Columbia - Jim Hamilton L.B. Owens Airport, SC13 mi65 minN 09.00 miOvercast48°F43°F83%1021 hPa
McEntire Air National Guard Weather Facility Base, SC22 mi2 hrsN 02.50 miFog/Mist45°F44°F99%1021 hPa

Link to 5 minute data for KCAE

Wind History from CAE (wind in knots)
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Last 24hrE7N5NE5NE7NE7NE7NE4NE4N3NE3N3N4NE3NE3E4E3E6N3NE4E5E5N3NW3Calm
1 day agoNE5NE11E7NE86E9NE4NE5NE5E6NE5NE5E8E6E8NE8NE5E6NE4NE7NE6NE6NE8NE9
2 days agoCalmCalmCalmW6NW3N3E3NE3W4CalmCalmCalmE4CalmCalmCalmNW3CalmCalmCalmCalmSW3CalmN3

Tide / Current Tables for Bacon Bridge, Ashley River, South Carolina
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Bacon Bridge
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Mon -- 02:58 AM EST     0.11 feet Low Tide
Mon -- 04:29 AM EST     Moonset
Mon -- 07:11 AM EST     Sunrise
Mon -- 08:11 AM EST     2.06 feet High Tide
Mon -- 03:33 PM EST     0.22 feet Low Tide
Mon -- 03:43 PM EST     Moonrise
Mon -- 05:14 PM EST     Sunset
Mon -- 08:30 PM EST     1.82 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.80.50.20.10.30.91.41.92.121.81.51.10.80.40.30.30.61.11.51.81.81.71.4

Tide / Current Tables for Cuckolds Creek, Combahee River, South Carolina
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Cuckolds Creek
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Mon -- 03:41 AM EST     0.62 feet Low Tide
Mon -- 04:30 AM EST     Moonset
Mon -- 07:13 AM EST     Sunrise
Mon -- 10:23 AM EST     3.69 feet High Tide
Mon -- 03:45 PM EST     Moonrise
Mon -- 04:16 PM EST     1.29 feet Low Tide
Mon -- 05:16 PM EST     Sunset
Mon -- 10:48 PM EST     3.34 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.61.91.20.70.60.91.52.22.93.43.73.63.32.72.11.61.31.41.72.12.633.33.3

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 Columbia, SC (9,2,3,4)
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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 numerious 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.