Friday, February21, 2020
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L-36.com


Marine Weather and Tides
Barnwell, 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 7:03AMSunset 6:17PM Friday February 21, 2020 7:25 PM EST (00:25 UTC) Moonrise 6:04AMMoonset 4:31PM Illumination 3% Phase: Waning Crescent; Moon at 28 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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AMZ330 Charleston Harbor- 625 Pm Est Fri Feb 21 2020
Tonight..N winds 15 kt with gusts to 20 kt.
Sat..N winds 10 to 15 kt with gusts to 20 kt, becoming ne 5 to 10 kt in the afternoon.
Sat night..N winds 5 kt.
Sun..NE winds 5 kt.
Sun night..E winds 5 kt.
Mon..SE winds 5 to 10 kt. A chance of showers.
Mon night..S winds 10 to 15 kt. Showers.
Tue..SW winds 15 kt. Showers likely.
Tue night..SW winds 10 to 15 kt. A chance of showers.
Wed..SW winds 10 to 15 kt. A chance of showers.
Wed night..W winds 15 to 20 kt. Waves 1 to 2 ft. Unless otherwise noted, waves 1 foot or less. Charleston harbor water temperature 56 degrees.
AMZ300 625 Pm Est Fri Feb 21 2020
Synopsis for the coastal waters of south coastal south carolina and north coastal georgia.. High pressure will persist across the area this weekend. A warm front will move through the area and lift north of the region early next week. A pair of cold fronts will bring unsettled weather during the middle of next week before high pressure returns late next week.


7 Day Forecast for Marine Location Near Barnwell, SC
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location: 33.23, -81.36     debug


Area Discussion for - Columbia, SC
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FXUS62 KCAE 212329 AFDCAE

Area Forecast Discussion National Weather Service Columbia SC 629 PM EST Fri Feb 21 2020

SYNOPSIS. Dry and cool high pressure will build over the region through the weekend then move off the Southeast Coast Monday. There will be increased moisture and rain in the forecast area Sunday night through Tuesday in the southerly flow as a cold front crosses the region.

NEAR TERM /UNTIL 6 AM SATURDAY MORNING/. High pressure to the west will continue to move toward the southeastern US while low pressure off the coast lifts northeast.

As a cold, dry airmass settles over the forecast area, light winds and clear skies will lead to a fairly strong inversion developing tonight. Temperatures are expected to bottom out in the 20s.

SHORT TERM /6 AM SATURDAY MORNING THROUGH SUNDAY NIGHT/. Dry weather will dominate the region through the weekend as high pressure begins the weekend just west of the area and slowly crosses the forecast area through Sunday afternoon. Sunday night the high will move offshore ahead of the next low pressure system. Moisture and clouds will begin increasing late Sunday afternoon and evening as flow begins turning southerly and moisture slowly returns to the region. Models continue to slow the system moving into the area Sunday night and with considerable dry air to overcome has decreased pops to slight chance for late Sunday night and early Monday morning. High temperatures will be in the mid 50s Saturday and near 60s on Sunday with overnight lows in the lows 30s Saturday night and with the southerly flow warm to the low 40s Sunday night.

LONG TERM /MONDAY THROUGH FRIDAY/. Low pressure will move from the south central Plains Monday morning through the MS Valley and into the Great Lakes on Tuesday. This will push a cold front across the Gulf States with increasing southerly flow and chances of rain for the forecast area Monday and Monday night. Models continue to differ slightly with pushing the front offshore or stalling it near the coast however the ECMWF and GFS agree some moisture lingering across the area through Tuesday with another disturbance moving along the coast Tuesday night and Wednesday. A deep and fast moving upper level trough will move through the region Wednesday night and early Thursday finally pushing the front well away from the region. Dry conditions are expected for Friday as a high pressure ridge builds into the area. Temperatures will be above normal through Wednesday then lower to below normal Thursday and Friday.

AVIATION /00Z SATURDAY THROUGH WEDNESDAY/. High confidence in VFR through the entire TAF period.

A cool and dry airmass will settle over the area with clear skies through Saturday. Light north to northeast winds this evening becoming variable overnight.

EXTENDED AVIATION OUTLOOK . Restrictions expected to develop Monday as a low pressure system moves into the Southeastern states. Restrictions may continue at times through at least Tuesday as front stalls near the area.

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




Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CHDS1 - Strom Thurmond Dam, SC 54 mi65 min NE 5.1 G 7 44°F
LMFS1 - Lake Murray SC 61 mi65 min NE 4.1 G 7 43°F 1030.5 hPa

Wind History for Charleston, SC
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Barnwell Regional Airport, SC2 mi30 minNNE 510.00 miFair39°F23°F52%1031.2 hPa

Link to 5 minute data for KBNL

Wind History from BNL (wind in knots)
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Last 24hrNE15N11N11NE11NE12
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1 day agoNE8E7NE7NE7NE8NE10NE6NE6NE6NE6NE7NE7NE7NE8NE10NE13NE7
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2 days agoSE4CalmCalmNW8CalmS4CalmSW4S4CalmCalmS3CalmCalm3CalmN5N11NE14NE10
G16
NE9NE10NE7NE8

Tide / Current Tables for Cuckolds Creek, Combahee River, South Carolina
   EDIT   Weekend mode (on/off)   (on/off)   Help   One Week of Data
Cuckolds Creek
Click for Map
Fri -- 04:32 AM EST     -0.28 feet Low Tide
Fri -- 06:00 AM EST     Moonrise
Fri -- 07:00 AM EST     Sunrise
Fri -- 11:26 AM EST     3.59 feet High Tide
Fri -- 04:30 PM EST     Moonset
Fri -- 05:12 PM EST     -0.13 feet Low Tide
Fri -- 06:13 PM EST     Sunset
Fri -- 11:33 PM EST     3.25 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.82.21.30.4-0.2-0.20.20.91.72.63.23.63.53.12.31.30.3-0.100.51.32.12.83.2

Tide / Current Tables for Tulifiny River, I-95 bridge, South Carolina
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Tulifiny River
Click for Map
Fri -- 03:51 AM EST     -0.12 feet Low Tide
Fri -- 06:00 AM EST     Moonrise
Fri -- 07:00 AM EST     Sunrise
Fri -- 10:05 AM EST     5.14 feet High Tide
Fri -- 04:31 PM EST     -0.05 feet Low Tide
Fri -- 04:31 PM EST     Moonset
Fri -- 06:14 PM EST     Sunset
Fri -- 10:12 PM EST     4.65 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.120.90.1-0.10.31.42.63.94.85.14.94.33.220.8000.71.93.24.24.64.5

Weather Map
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wmap_A
GEOS Local Image of Southeast    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 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.