Wednesday, April25, 2018 L-36.com


Marine Weather and Tides
Moncks Corner, SC

Version 3.4
What's New / NOTES
3/3/2018 - There is a new GOES Satellite for the east coast that required rewriting that part of the code. Please report any issues.
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.

Sunrise 6:36AMSunset 7:59PM Wednesday April 25, 2018 2:44 AM EDT (06:44 UTC) Moonrise 2:44PMMoonset 3:12AM Illumination 75% Phase: Waxing Gibbous; Moon at 10 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- 1229 Am Edt Wed Apr 25 2018
Tonight..SW winds 10 kt or less.
Wed..SW winds 10 kt.
Wed night..W winds 5 to 10 kt.
Thu..N winds 5 kt, becoming se in the afternoon.
Thu night..S winds 5 to 10 kt. A chance of showers.
Fri..SW winds 5 kt, increasing to 10 kt in the afternoon. A chance of showers, mainly in the morning.
Fri night..SW winds 5 to 10 kt. A slight chance of showers.
Sat..W winds 5 kt.
Sat night..NW winds 5 kt.
Sun..NE winds 5 to 10 kt.
Sun night..SE winds 5 kt. Unless otherwise noted, waves 1 foot or less. Charleston harbor water temperature 66 degrees.
AMZ300 1229 Am Edt Wed Apr 25 2018
Synopsis for the coastal waters of south coastal south carolina and north coastal georgia.. Low pressure will continue to move northeast away from the area through tonight. An upper level disturbance will move over the area Thursday night, followed by a cold front Friday night. High pressure will then build over the region through early next week.

7 Day Forecast for Marine Location Near Moncks Corner, SC
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location: 33.1, -79.95     debug


Area Discussion for - Charleston, SC
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Fxus62 kchs 250443
afdchs
area forecast discussion
national weather service charleston sc
1243 am edt Wed apr 25 2018

Synopsis
Low pressure will continue to move northeast away from the area
through tonight. An upper level disturbance will move over the
area Thursday night, followed by a cold front Friday night.

High pressure will then build over the region through early
next week.

Near term until 6 am this morning
Overnight: a mid upper lvl low centered over eastern kentucky
and tennessee will slowly shift east and remain north of the
area while sfc low pressure centered near the south
carolina north carolina state line skirts north northwest of the
area, then lifts northeast and away from the region late.

Scattered to broken clouds should gradually erode overnight.

Expect all areas to remain dry with a light southwest wind
veering west late. Overnight lows should dip into the mid upper
50s, coolest away from the coast in southeast georgia where
winds are lightest. Low temps will be slightly warmer along near
the coast, remaining around 60 degrees.

Short term 6 am this morning through Friday
High pressure will briefly build over the region Wednesday and
Wednesday night, then an upper shortwave will approach Thursday
and Thursday night. A surface low lifting northeast into central
va will push a weak cold front through late Thursday afternoon
and Thursday night. Given the weak moisture return ahead of the
front, the shower coverage associated with the front will likely
be on the decrease as it approaches. We are only showing chance
pops, highest in northern areas, for Thursday night. We
maintained a slight chance of showers through Friday since
another upper shortwave will rotate through during the day. High
temps will be in the upper 70s to around 80 each day.

Long term Friday night through Tuesday
Forecast confidence remains low through Saturday. A longwave
upper trough and associated cold front will push through the
region. However, solutions range from progressive features
crossing the region with nothing more than a few showers to a
deeper upper trough and associated surface cyclogenesis
producing more persistent precipitation through Saturday. The
latest forecast maintains a rain-free forecast Saturday. Then,
models agree that high pressure will build at the surface and
aloft over the region late weekend through at least early next
week, supporting dry weather and near to slightly above normal
temps.

Aviation 06z Wednesday through Sunday
Vfr conditions will prevail at kchs and ksav through 06z Thursday.

Extended aviation outlook: flight restrictions unlikely.

Marine
Overnight: low pressure will slowly shift east northeast just
north of the area, resulting in a steady pressure gradient over
northern waters and a slightly more relaxed pressure gradient
over southern waters. As the low shifts further east-northeast,
winds should slowly decrease and slightly turn more west-southwest
late with speeds mainly below 15 kt. Seas will be elevated, but
will show a subsiding trend. However, 6 ft seas should linger
in northern sc waters through much of the night and continue in
offshore georgia waters into Wednesday. Small craft advisories
will therefore remain in effect for northern sc waters and
offshore georgia waters overnight.

The residual 6 ft seas over the offshore georgia waters should
subside midday Wednesday. Then, a series of minor weather systems
will keep wind directions on the move through the weekend but
wind speeds and seas should remain below advisory thresholds.

Chs watches warnings advisories
Ga... None.

Sc... None.

Marine... Small craft advisory until 2 pm edt this afternoon for amz374.

Small craft advisory until 7 am edt this morning for amz350.

Near term...

short term...

long term...

aviation...

marine...



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CHTS1 22 mi44 min WSW 2.9 G 6 66°F 66°F1009.9 hPa (-1.2)
41029 - Capers Nearshore (CAP 2) 27 mi36 min W 9.7 G 14 66°F 64°F1009.3 hPa
FBIS1 - Folly Island, SC 29 mi44 min WSW 4.1 G 5.1 63°F 1010.6 hPa (-1.1)58°F
NIWS1 - North Inlet-Winyah Bay Reserve, SC 44 mi59 min WSW 7 65°F 1009 hPa58°F
ACXS1 - ACE Basin Reserve, SC 46 mi59 min N 1.9 65°F 58°F

Wind History for Charleston, SC
(wind in knots)    EDIT      (on/off)   Help
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SW5
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NE9
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Moncks Corner Berkeley County, SC7 mi49 minSW 610.00 miOvercast64°F55°F73%1009.5 hPa
Charleston, Charleston Air Force Base, SC14 mi1.8 hrsWSW 610.00 miPartly Cloudy66°F55°F70%1010.3 hPa
Mount Pleasant Regional-Faison Field, SC17 mi1.8 hrsSW 310.00 miMostly Cloudy64°F60°F88%1010.5 hPa
Summerville Airport, SC18 mi49 minN 010.00 miPartly Cloudy61°F55°F83%1010.2 hPa

Wind History from MKS (wind in knots)
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Last 24hrCalmE4E3E4CalmS4S6S6S7S10
G16
SW7SW7SW7SW5SE4SW5SW7SW8SW6SW6SW7SW6SW6SW4
1 day agoE5E5E4E5E4E6S4E7E8
G16
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2 days agoE4E4NE5E6E4E3E6E8E5E10
G14
SE7SE5SE9SE9SE6E8E6E5E7E5E6E7E4
G8
E4

Tide / Current Tables for Pimlico, West Branch, Cooper River, South Carolina
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Pimlico
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Wed -- 02:28 AM EDT     0.04 feet Low Tide
Wed -- 04:12 AM EDT     Moonset
Wed -- 06:38 AM EDT     Sunrise
Wed -- 08:08 AM EDT     1.92 feet High Tide
Wed -- 03:06 PM EDT     -0.06 feet Low Tide
Wed -- 03:43 PM EDT     Moonrise
Wed -- 07:57 PM EDT     Sunset
Wed -- 08:49 PM EDT     1.88 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.60.30.10.10.40.91.41.81.91.91.61.30.80.40.1-0.10.10.511.51.81.91.81.5

Tide / Current Tables for Charleston Harbor Entrance, South Carolina Current
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Charleston Harbor Entrance
Click for Map
Wed -- 01:29 AM EDT     1.51 knots Max Flood
Wed -- 04:11 AM EDT     Moonset
Wed -- 05:28 AM EDT     -0.00 knots Slack
Wed -- 06:38 AM EDT     Sunrise
Wed -- 08:43 AM EDT     -2.45 knots Max Ebb
Wed -- 11:50 AM EDT     0.00 knots Slack
Wed -- 02:04 PM EDT     1.46 knots Max Flood
Wed -- 03:43 PM EDT     Moonrise
Wed -- 06:03 PM EDT     -0.00 knots Slack
Wed -- 07:56 PM EDT     Sunset
Wed -- 09:13 PM EDT     -2.48 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.81.41.51.31.10.4-0.5-1.5-2.3-2.4-1.9-10.21.11.51.41.30.90.1-1-1.9-2.5-2.2-1.5

Weather Map and Satellite Images
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wmap_A
GOES 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.
target = "new">Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Charleston, SC (2,6,7,8)
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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.