Friday, January19, 2018 L-36.com


Marine Weather and Tides
Barnwell, SC

Version 3.4
What's New / NOTES
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.

Sunrise 7:28AMSunset 5:47PM Friday January 19, 2018 6:22 PM EST (23:22 UTC) Moonrise 9:04AMMoonset 8:15PM Illumination 10% Phase: Waxing Crescent; Moon at 3 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- 305 Pm Est Fri Jan 19 2018
Tonight..SW winds 5 kt, becoming W after midnight.
Sat..W winds 5 to 10 kt, becoming sw in the afternoon.
Sat night..SW winds 5 to 10 kt, becoming W after midnight.
Sun..NW winds 5 kt, becoming se in the afternoon.
Sun night..SE winds 5 kt.
Mon..SE winds 5 to 10 kt.
Mon night..S winds 5 to 10 kt, becoming sw 10 to 15 kt after midnight. A chance of showers.
Tue..W winds 10 to 15 kt. A slight chance of showers.
Tue night..NW winds 5 kt.
Wed..N winds 5 kt.
Wed night..NE winds 5 to 10 kt. Unless otherwise noted, waves 1 foot or less. Charleston harbor water temperature 44 degrees.
AMZ300 305 Pm Est Fri Jan 19 2018
Synopsis for the coastal waters of south coastal south carolina and north coastal georgia.. High pressure will prevail through the weekend. A cold front will move through the region Monday night into Tuesday morning, followed by more high pressure through the middle of 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 192232
afdcae
area forecast discussion
national weather service columbia sc
532 pm est Fri jan 19 2018

Synopsis
A dry surface pressure ridge will dominate through Sunday.

Moisture will increase ahead of a cold front Monday. The front
will move through the forecast area Monday night or Tuesday
morning. Showers will be associated with the front mainly
Monday night. Warmer conditions will occur over the weekend and
early next week.

Near term until 6 am Saturday morning
Dry surface high pressure with flat upper ridging will continue
to dominate through tonight. Weak surface pressure gradient
across the area with west-southwest winds favored 10 mph or
less. Satellite trends support clear skies. It should be not
quite as cold because of air mass modification and weak warm
advection this afternoon. Some mixing in the boundary layer
tonight may limit cooling somewhat. The temperature guidance was
close... 25 to 30 degrees.

Short term 6 am Saturday morning through Sunday night
Dry conditions will prevail through Sunday night with surface
ridging continuing to dominate. The models show a mid-level
shortwave trough approaching Saturday and moving through the
region Saturday night. There will not be significant moisture
with this disturbance, and any precipitation will occur well
southeast of the forecast area, and most likely offshore.

Expect just some mid-level cloudiness locally. High pressure
ridging will return on Sunday with increased southerly flow
allowing the are mass to continue to modify. Sunday's high
temperatures will be in the 60s and Sunday night's lows will be
in the mid 30s to low 40s. MOS guidance supports westerly winds
about 10 mph Saturday, with less wind Sunday as the surface
ridge axis shifts a little farther north and closer to the
forecast area.

Long term Monday through Friday
More significant upper troughing will begin to affect the
region Monday and moisture will increase. The models have been
consistent and continue to display the associated cold front
approaching Monday and moving through the area Monday night or
Tuesday morning. The best chance for rain is still expected to
be Monday night, with a dry air mass moving in behind the front
by Tuesday afternoon. Dry conditions will then dominate through
at least Wednesday. Forecast confidence diminishes Thursday,
with the ECMWF keeping a dry ridge in control while the gfs
shows a tight moisture gradient near the coast associated with a
frontal system. However, at this time, the GFS keeps
precipitation well south of the area, so maintained a dry
forecast. Ridging is expected to increase on Friday, but so is
southwesterly flow that could bring moisture into the area.

Model QPF is very low for Friday, and lacking focus, so have
kept the end of the week dry as well.

Monday's temperatures will be the warmest of the week with highs
in the mid 60s to around 70 degrees. Cooling behind the front
will be marginal, and the remainder of the period should
continue to see at least slightly above normal temperatures.

Aviation 22z Friday through Wednesday
High confidence inVFR conditions through the period.

High pressure along with dry air will remain in control of the
region through the period. This will result in clear skies along
with light and variable winds.

Extended aviation outlook... Restrictions possible Monday night
and Tuesday as a cold front crosses the region.

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 mi42 min W 5.1 G 7 57°F
LMFS1 - Lake Murray SC 61 mi62 min W 2.9 G 6 56°F 1021.3 hPa

Wind History for Charleston, SC
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NW8
G18
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G7
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G17
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G17

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Barnwell Regional Airport, SC2 mi27 minN 010.00 mi54°F17°F24%1022.7 hPa

Wind History from BNL (wind in knots)
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Last 24hrCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmSW3CalmSW55SW5SW5W7W95
G11
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1 day agoNW9
G16
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NW7NW8NW6
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NW9NW3W5W4W3CalmCalmCalmW7W5W6W54
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2 days agoCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmNW56W5W7W8W7W7
G13
W9W65
G14
NW5

Tide / Current Tables for Cuckolds Creek, Combahee River, South Carolina
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Cuckolds Creek
Click for Map
Fri -- 01:44 AM EST     3.25 feet High Tide
Fri -- 07:24 AM EST     Sunrise
Fri -- 07:27 AM EST     -0.16 feet Low Tide
Fri -- 09:00 AM EST     Moonrise
Fri -- 02:10 PM EST     3.58 feet High Tide
Fri -- 05:43 PM EST     Sunset
Fri -- 08:03 PM EST     -0.18 feet Low Tide
Fri -- 08:13 PM EST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
2.73.23.22.92.21.30.5-0.1-0.10.41.22.12.83.43.63.42.9210.2-0.200.71.5

Tide / Current Tables for Tulifiny River, I-95 bridge, South Carolina
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Tulifiny River
Click for Map
Fri -- 12:20 AM EST     4.64 feet High Tide
Fri -- 06:42 AM EST     -0.12 feet Low Tide
Fri -- 07:24 AM EST     Sunrise
Fri -- 09:01 AM EST     Moonrise
Fri -- 12:45 PM EST     5.16 feet High Tide
Fri -- 05:44 PM EST     Sunset
Fri -- 07:18 PM EST     -0.07 feet Low Tide
Fri -- 08:14 PM EST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
4.64.53.931.90.80.1-0.10.61.83.24.355.14.842.91.60.6-00.11.12.43.6

Weather Map and Satellite Images
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Weather Map
wmap_A
IR Satellite Image from GEOS
east_satellite

GOES Local Image of Southeast    EDIT
Geos

Wind Forecast for Columbia, SC (18,4,5,8)
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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 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.