Sunday, December16, 2018 L-36.com


Marine Weather and Tides
Ridgeland, SC

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 7:16AMSunset 5:21PM Sunday December 16, 2018 10:02 PM EST (03:02 UTC) Moonrise 1:27PMMoonset 12:52AM Illumination 71% Phase: Waxing Gibbous; Moon at 9 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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AMZ352 Waters From Edisto Beach Sc To Savannah Ga Out 20 Nm- 947 Pm Est Sun Dec 16 2018
Tonight..W winds 15 kt, becoming nw 10 to 15 kt. Seas 3 to 4 ft, subsiding to 2 to 3 ft after midnight.
Mon..NW winds 5 to 10 kt, becoming W in the afternoon. Seas 2 ft.
Mon night..W winds 10 kt, becoming nw after midnight. Seas 2 ft.
Tue..NE winds 10 kt. Seas 2 to 3 ft.
Tue night..NE winds 10 kt. Seas 2 to 3 ft.
Wed..NE winds 5 to 10 kt, becoming W in the afternoon. Seas 2 ft.
Wed night..SE winds 5 kt. Seas 2 ft. A chance of showers.
Thu..S winds 10 to 15 kt. Seas 2 to 3 ft. Showers likely.
Thu night..SW winds 15 to 20 kt. Seas 4 to 5 ft. A chance of showers.
Fri..W winds 20 to 25 kt. Seas 4 to 6 ft. A chance of showers.
Fri night..W winds 15 to 20 kt. Seas 4 to 5 ft.
AMZ300 947 Pm Est Sun Dec 16 2018
Synopsis for the coastal waters of south coastal south carolina and north coastal georgia.. Dry high pressure is expected through the middle of the week. A storm system will likely impact the area with locally heavy rain late in the work week followed by cooler and drier high pressure next weekend.


7 Day Forecast for Marine Location Near Ridgeland, SC
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location: 32.41, -80.89     debug


Area Discussion for - Charleston, SC
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Fxus62 kchs 170256
afdchs
area forecast discussion
national weather service charleston sc
956 pm est Sun dec 16 2018

Synopsis
Dry high pressure is expected through the middle of the week. A
storm system will likely impact the area with locally heavy
rain late in the work week followed by cooler and drier high
pressure next weekend.

Near term until 6 am Monday morning
The stratus cloud cover across georgia from earlier has
dissolved across the area, leaving us with mostly clear skies
early tonight. However, jet stream cirrus clouds will spread in
from the west, and although there will definitely be an increase
in these clouds as shown on satellite, the bulk of them remain
thin, so nothing worse than partly cloudy skies will occur.

We're not expecting there to be much if any impact on low temps
from these clouds, so we're still showing lower 40s inland, mid
or upper 40s near the shore of lake moultrie, in downtown
charleston and along the immediate coast.

Short term 6 am Monday morning through Wednesday
The mid-levels will consist of zonal flow overhead Monday morning.

Meanwhile, a ridge over the central u.S. Will move eastward while
weakening. It's axis is forecasted to pass overhead Tuesday, then
move offshore Tuesday night. A strengthening trough will develop
over the central u.S. On Wednesday, bringing our area southwest
flow. At the surface, a broad area of high pressure stretched across
the central u.S. Monday will gradually move eastward, passing to our
north Wednesday night. At that time, weak troughing starts
developing offshore. The trough may try to strengthen on Wednesday,
as the high moves off the mid-atlantic coast. Simply put, dry
weather is expected to prevail through Tuesday night. The models
hint at maybe some light showers developing along the coast
Wednesday afternoon in association with the trough. But there remain
enough differences in the models to keep mention of showers out of
the forecast for now. High temperatures will be several degrees
above normal Monday, near normal Tuesday, then back above normal on
Wednesday.

Long term Wednesday night through Sunday
Increasing moisture and forcing ahead of the next storm system looks
to increase rain chances Wednesday night and Thursday with some
improvement Thursday night, although there are some model
disagreements regarding timing. 1-2 inches of rain could fall,
especially near the coast given the elevated astronomical tide
levels. Instability appears low at this time so not anticipating any
thunderstorms but the best chances would likely be near the coast.

The bulk of the rain should be gone by Friday although some showers
could linger given continued upper forcing. Cooler and drier
conditions should then return for the weekend.

Aviation 03z Monday through Friday
Vfr at ksav and kchs through 00z Tuesday.

Extended aviation outlook:VFR through Tuesday night. Increasing
probabilities for flight restrictions Wednesday through Friday due
to a storm system. Also, gusty winds are possible on Friday.

Marine
Tonight: low pressure near the eastern forks of long island will
head toward CAPE cod, allowing for some relaxation in the
gradient across the local waters. Even so, there is a little
cool advection that will keep W and NW winds up near 15 or 15-20
kt over the atlantic, and around 10-12 kt in charleston harbor.

The offshore trajectories will keep seas down to less than 3 or
4 ft within 20 nm. But a better fetch will allow for 4-5 foot
seas on the outer georgia waters.

Extended marine: high pressure nearby will bring tranquil conditions
to the waters through Thursday. A storm system will bring small
craft advisories to all of the waters, mainly Thursday night through
Friday night. Cannot rule out some gale force gusts as well
especially closer to the gulf stream.

Chs watches warnings advisories
Ga... None.

Sc... None.

Marine... None.

Near term...

short term... Ms
long term... Rjb
aviation...

marine...



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ACXS1 - ACE Basin Reserve, SC 25 mi78 min WSW 1.9 51°F 1018 hPa47°F
FPKG1 - 8670870 - Fort Pulaski, GA 26 mi51 min W 5.1 G 8 52°F 54°F1019.5 hPa
FBIS1 - Folly Island, SC 56 mi63 min W 6 G 7 50°F 1018.3 hPa (+0.8)47°F

Wind History for Fort Pulaski, GA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Beaufort, Marine Corps Air Station, SC10 mi67 minWSW 510.00 miFair48°F46°F93%1018.7 hPa
Beaufort County Airport, SC14 mi68 minWSW 67.00 miFair50°F44°F82%1018.6 hPa
Hilton Head Island, Hilton Head Airport, SC17 mi68 minVar 410.00 miFair52°F46°F82%1019.3 hPa

Wind History from NBC (wind in knots)
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Last 24hrSW4W4W5W11W7W5W5W6W7W8W7W11W11W10
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1 day agoSE3SE7SE9S7CalmS3S4E6SE5S5SW6SW7SW3SW3CalmS5W5W12W10
G20
W5CalmCalmCalmCalm
2 days agoW4E3CalmN3E6NE3NE3NE7N6NE3N3N7E3E3CalmCalmSE6E4SE94CalmCalmE3E3

Tide / Current Tables for Broughton Point, Hazzard Creek, Broad River, South Carolina
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Broughton Point
Click for Map
Sun -- 12:52 AM EST     Moonset
Sun -- 03:38 AM EST     6.80 feet High Tide
Sun -- 07:18 AM EST     Sunrise
Sun -- 09:42 AM EST     1.08 feet Low Tide
Sun -- 01:26 PM EST     Moonrise
Sun -- 04:02 PM EST     6.86 feet High Tide
Sun -- 05:20 PM EST     Sunset
Sun -- 10:20 PM EST     0.61 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.14.65.86.66.764.83.32.11.31.11.72.94.25.56.56.96.55.542.61.30.70.8

Tide / Current Tables for Hwy. 170 bridge, Broad River, South Carolina
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Hwy. 170 bridge
Click for Map
Sun -- 12:52 AM EST     Moonset
Sun -- 02:55 AM EST     6.55 feet High Tide
Sun -- 07:17 AM EST     Sunrise
Sun -- 08:58 AM EST     1.26 feet Low Tide
Sun -- 01:25 PM EST     Moonrise
Sun -- 03:19 PM EST     6.61 feet High Tide
Sun -- 05:19 PM EST     Sunset
Sun -- 09:36 PM EST     0.70 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.15.36.26.66.153.72.51.61.31.62.63.85.166.66.45.64.32.91.70.90.81.5

Weather Map and Satellite Images
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wmap_A
GOES 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 Charleston, SC (22,6,7,8)
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Ground Weather Radar Station Charleston, 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 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.