Wednesday, December19, 2018 L-36.com


Marine Weather and Tides
Edisto Beach, 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 5:18PM Wednesday December 19, 2018 4:06 AM EST (09:06 UTC) Moonrise 3:08PMMoonset 3:45AM Illumination 89% Phase: Waxing Gibbous; Moon at 12 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- 243 Am Est Wed Dec 19 2018
Today..NE winds 10 to 15 kt, becoming E 5 to 10 kt this afternoon. Seas 2 to 3 ft.
Tonight..E winds 5 to 10 kt. Seas 2 ft. Showers likely after midnight.
Thu..E winds 10 to 15 kt, becoming S 15 to 20 kt in the afternoon. Seas 3 to 4 ft, building to 4 to 6 ft in the afternoon. Showers.
Thu night..SW winds 20 to 25 kt with gusts to 30 kt. Seas 5 to 7 ft, building to 6 to 8 ft after midnight. Showers.
Fri..SW winds 25 to 30 kt. Seas 6 to 8 ft. A chance of showers.
Fri night..W winds 20 to 25 kt with gusts to 30 kt. Seas 5 to 7 ft, subsiding to 4 to 6 ft after midnight.
Sat..W winds 15 to 20 kt. Seas 3 to 4 ft.
Sat night..W winds 10 to 15 kt. Seas 2 to 3 ft.
Sun..W winds 5 to 10 kt. Seas 1 foot.
Sun night..W winds 5 to 10 kt. Seas 2 ft.
AMZ300 243 Am Est Wed Dec 19 2018
Synopsis for the coastal waters of south coastal south carolina and north coastal georgia.. High pressure will give way to a potent storm system which will impact the area tonight into Friday. High pressure will then return this weekend and persist through early next week with generally dry weather.


7 Day Forecast for Marine Location Near Edisto Beach, SC
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location: 32.48, -80.32     debug


Area Discussion for - Charleston, SC
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Fxus62 kchs 190851
afdchs
area forecast discussion
national weather service charleston sc
351 am est Wed dec 19 2018

Synopsis
High pressure will give way to a potent storm system which will
impact the area tonight into Friday. High pressure will then
return this weekend and persist through early next week with
generally dry weather.

Near term through tonight
Pre-dawn: it looks like overnight lows were already reached
across many south carolina zones as temps have risen since
midnight. Stratocumulus has also been on the increase as a weak
coastal trough takes shape offshore. Dry weather is expected
through sunrise across the region with temps in the 40s most
areas with plenty of high clouds noted on satellite across the
region.

Today: a very weak low pressure wave is forecast to ride north
along a coastal trough while a surface wedge pattern looks most
discernible across the N ga and the carolinas. Dry air looks to
prevail between 500 mb and 850 mb and while we will see periods
of stratocu at times across mainly sc zones, dry weather is
anticipated. The coverage of cumulus and the opacity of the
cirrostratus may determine whether temp trends sway a little
cooler given the weak wedge pattern. We have maintained lower to
mid 60s in our persistence forecast.

Tonight: the evening should remain dry for most areas but
rapid changes in the offing overnight as mid and upper flow
tends to back in response to a digging long-wave trough
across central north america. Isentropic ascent and moisture
advection will strengthen and rains are expected to expand in
coverage from south to north prior to daybreak. Temps will
remain fairly steady overnight as warm advection builds atop
the cooler and stable near-surface layers.

Short term Thursday through Saturday
Confidence is high that moderate to occasionally heavy showers will
occur Thursday as a warm front moves north through the area due to
strengthening low pressure to the west and increasing
moisture forcing. Showers should diminish Thursday night as the
deeper moisture and better forcing shift offshore. However, some
mainly light showers will linger even into Friday afternoon as the
deep upper trough cutoff low and wrap-around moisture persists
across the region. Instability looks minimal across southeast sc ga
but can't rule out a few weak storms, especially near the coast
Thursday into early Friday. The main concern will be localized flash
flooding despite only low to moderate rain rates just given the wet
ground and potential training. Most places should pick up 1 to 2
inches with some locally higher amounts possible. Looks like the
best chance for significant flash flooding though will be in
downtown charleston around times of high tide Thursday morning and
evening. It will also become breezy Thursday with the strongest
winds likely Thursday night into Friday, possibly gusting over
advisory levels of 40 mph. Temperatures should remain above normal
through Friday before falling back closer to normal Saturday.

Lake winds... Winds will increase over lake moultrie Friday
and could reach advisory criteria with 25 knot gusts.

Long term Saturday night through Tuesday
Cooler and dry conditions expected to prevail this period with high
pressure generally dominating. Temperatures should be near to above
normal.

Aviation 08z Wednesday through Sunday
Vfr conditions are expected to prevail at kchs and ksav through
06z Thursday. Stratocumulus is expected to expand across the area
near ksav late tonight, and then move into the kchs area later
this morning. Current thinking is that any ceilings will be
greater than 3 kft.

Extended aviation outlook: restrictions expected Thursday into
Friday night with periods of ifr or worse due to low clouds rain.

Also, gusty winds likely Friday Friday night.

Marine
Today: despite a weak low off the coast and high pressure off
to the northeast, the gradient looks pretty light and winds will
mainly be less than 15 kt and seas 2-3 ft with a few 4 ft waves
from grays reef seaward through mid morning. Conditions will begin
a deterioration process late tonight as rains expand, winds gradually
veer and increase toward daybreak well offshore where sea surface
temps are higher.

Thursday through Monday: conditions will deteriorate quickly Thursday
as a warm front lifts north through the area and the pressure gradient
and low-level jet increase. Winds should be limited somewhat near
the cooler shelf waters due to higher stability but can't rule out
wind gusts reaching gale force mainly near the gulf stream in the
offshore ga waters and eastern portion of the charleston county
waters. At the very least we expect small craft advisories for all
waters into Friday night Saturday morning. Improving conditions
are then expected into early next week as high pressure
returns.

Chs watches warnings advisories
Ga... None.

Sc... None.

Marine... None.

Near term...

short term... Rjb
long term... Rjb
aviation... Rjb
marine... Rjb


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ACXS1 - ACE Basin Reserve, SC 9 mi82 min NNE 1.9 48°F 1020 hPa46°F
41033 15 mi59 min NE 16 G 19 54°F 56°F1018.7 hPa
FBIS1 - Folly Island, SC 27 mi67 min N 9.9 G 12 53°F 1020.5 hPa (-0.6)46°F
CHTS1 30 mi37 min N 7 G 8.9
41029 - Capers Nearshore (CAP 2) 43 mi59 min NE 18 G 21 54°F 60°F1019.4 hPa
FPKG1 - 8670870 - Fort Pulaski, GA 44 mi43 min NE 9.9 G 12 53°F 55°F1019.4 hPa

Wind History for Charleston, SC
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Beaufort County Airport, SC17 mi72 minNE 97.00 miFair48°F44°F87%1019.6 hPa
Beaufort, Marine Corps Air Station, SC21 mi71 minNE 710.00 mi50°F46°F86%1019.9 hPa
Charleston Executive Airport, SC23 mi72 minN 610.00 miMostly Cloudy50°F44°F82%1020.3 hPa

Wind History from ARW (wind in knots)
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Last 24hrW3W3W3W3CalmN5NE7NE7NE7E6E6E8E8E7E4CalmN4--NE6NE5NE4NE7NE6NE9
1 day agoCalmCalmCalmW3CalmCalmCalmW3CalmNW3SW5SW5SW5CalmW3SW3SW4SW4W4W4W8SW3CalmCalm
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Tide / Current Tables for Edisto Marina, Big Bay Creek entrance, South Carolina
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Edisto Marina
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Wed -- 03:45 AM EST     Moonset
Wed -- 04:33 AM EST     6.38 feet High Tide
Wed -- 07:18 AM EST     Sunrise
Wed -- 11:01 AM EST     0.54 feet Low Tide
Wed -- 03:07 PM EST     Moonrise
Wed -- 05:00 PM EST     5.79 feet High Tide
Wed -- 05:19 PM EST     Sunset
Wed -- 11:16 PM EST     -0.23 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.22.74.25.56.36.35.74.63.320.90.50.923.34.65.55.85.54.53.21.80.5-0.2

Tide / Current Tables for Ocella Creek, 2 mi. above entrance, South Carolina
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Ocella Creek
Click for Map
Wed -- 03:44 AM EST     Moonset
Wed -- 05:14 AM EST     6.00 feet High Tide
Wed -- 07:17 AM EST     Sunrise
Wed -- 11:17 AM EST     0.51 feet Low Tide
Wed -- 03:07 PM EST     Moonrise
Wed -- 05:18 PM EST     Sunset
Wed -- 05:35 PM EST     5.31 feet High Tide
Wed -- 11:29 PM EST     -0.17 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.823.54.75.665.84.93.62.31.20.60.71.52.73.84.75.25.24.63.42.10.8-0

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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Wind Forecast for Charleston, SC (4,6,7,8)
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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.