Tuesday, November13, 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 6:47AMSunset 5:20PM Tuesday November 13, 2018 10:20 PM EST (03:20 UTC) Moonrise 11:56AMMoonset 10:29PM Illumination 35% Phase: Waxing Crescent; Moon at 6 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- 949 Pm Est Tue Nov 13 2018
.gale warning in effect from Wednesday afternoon through late Wednesday night...
Tonight..N winds 15 to 20 kt. Seas 3 to 4 ft. A chance of showers.
Wed..NE winds 20 to 25 kt, increasing to 25 to 30 kt with gusts to 35 kt in the afternoon. Seas 4 to 6 ft, building to 7 to 9 ft in the afternoon. A chance of showers in the morning, then showers likely in the afternoon.
Wed night..NE winds 25 to 30 kt with gusts to 35 kt, diminishing to 20 to 25 kt after midnight. Seas 8 to 10 ft, subsiding to 7 to 9 ft after midnight. Showers.
Thu..NW winds 10 to 15 kt. Seas 4 to 6 ft, subsiding to 4 to 5 ft in the afternoon. Showers, mainly in the morning.
Thu night..NW winds 15 to 20 kt. Seas 4 to 5 ft.
Fri..NW winds 10 to 15 kt. Seas 3 to 4 ft.
Fri night..N winds 5 to 10 kt. Seas 3 to 4 ft.
Sat..NE winds 5 kt. Seas 3 to 4 ft.
Sat night..NE winds 5 kt. Seas 2 to 3 ft.
Sun..N winds 5 to 10 kt. Seas 2 ft.
Sun night..N winds 5 to 10 kt. Seas 2 ft.
AMZ300 949 Pm Est Tue Nov 13 2018
Synopsis for the coastal waters of south coastal south carolina and north coastal georgia.. A series of storm systems will impact the area through mid week with cool and dry high pressure returning by this weekend. A mainly dry cold front could move through early next week.


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 132327
afdchs
area forecast discussion
national weather service charleston sc
627 pm est Tue nov 13 2018

Synopsis
A series of storm systems will impact the area through mid week
with cool and dry high pressure returning by this weekend. A
mainly dry cold front could move through early next week.

Near term until 6 am Wednesday morning
The ana-type cold front is off the coast and the cooler air mass
has overspread the entire region, with most places down into the
upper 50s and lower 60s. Considerable moisture remains in place,
and based on latest radar trends we have raised pop to as high
as 70-100% all locations, with some of the rain locally heavy to
the east of i-95. While there could be a little thunder and
lightning in one or two places due to minimal elevated
instability, this is not enough to mention in the forecast over
our land based zones.

Previous discussion...

the cold front is quickly approaching the coast and is becoming
increasingly anafrontal by the hour. A line of light to moderate
rainfall continues to expand behind the frontal surface and
this trend will continue through about 03z as the line pushes
east. After that, the coverage of rain should quickly diminish
as the flow across the front becomes more downslope dominated.

Will carry quite high pops early with rainfall chances dropping
below 20% after midnight. Widespread stratus is expected to
spread back to the coast later this evening and should prevail
for much of the overnight period. Low-level winds look to remain
too high for fog development as the pressure gradient begins to
pinch along the coast. Lows will range from the lower 50s
inland to the lower 60s along the georgia coast.

Short term 6 am Wednesday morning through Friday
Unsettled weather is expected Wednesday and Thursday.

Wednesday and Thursday: the mid-levels will consist of a trough over
the ms valley Wednesday morning, with a strong low over the arklatex
region. The low will move over the tn valley by Thursday morning,
then towards the mid-atlantic states Thursday night. Overall,
southwest flow will prevail over our area. Most of the energy
associated with the trough is expected to pass just to our
northwest. Though, some jet stream energy may move overhead Thursday
night. At the surface, a front will be offshore Wednesday morning.

Low pressure is expected to develop over fl Wednesday evening, then
move to the northeast. The low is expected to strengthen as it
parallels our coastline Wednesday night, moving to our northeast on
Thursday. High pressure is expected to build from the northern gulf
of mexico Thursday night. Plenty of moisture is in place across the
region. Pwats may approach 1.8" Wednesday night, which is 2 standard
deviations above normal per naefs. With great model agreement, with
have pops ramping up during the day Wednesday, becoming categorical
Wednesday night. Pops will increase from southwest to northeast
Thursday. Dry conditions are expected Thursday night. Several inches
of rain are expected during this time period. Flash flooding isn't
expected. However, there could be some flooding of low-lying or
poorly drained areas during the heaviest rainfall. There is very
little instability in place, so the risk of thunderstorms is very
low. Temperatures will be well below normal during this time period.

Friday: high pressure will build across the northern gulf of mexico,
with its eastern periphery extending into our area.

Strong subsidence will lead to dry conditions and mostly sunny
skies. Additionally, cold air advection within northwest surface
winds will continue the trend of below normal temperatures.

Highs may be about 10 degrees below normal.

Long term Friday night through Tuesday
Dry weather will prevail through early next week as cooler high
pressure moves into the area. Another reinforcing mostly dry cold
front could move through Sunday night. Temperatures should be near
to below normal.

Aviation 00z Wednesday through Sunday
The terminals will generally be stuck within ifr conditions,
mainly due to ceilings through the latest forecast cycle. This
will occur as considerable moisture gets trapped beneath a
developing wedge inversion, while a wave of low pressure and
associated warm front across the eastern gulf of mexico and
florida lifts north-northeast later tonight and Wednesday. There
is probably too much wind and mixing to cause airfield minimums
to occur, but we continue to monitor since conditions at times
will be close. Light to moderate rains early tonight will taper
off during the overnight (if not sooner), before returning again
Wednesday afternoon. NE winds will reach 15-20 kt, and maybe
even occasionally higher Wednesday as the gradient pinches
between the frontal system to the south and the wedge inland.

Extended aviation outlook: a series of storm systems will bring
flight restrictions into Wednesday night. Conditions will improve
Thursday as the system moves away.VFR is expected Friday through
Sunday.

Marine
The cold front is progressing through the local waters this
evening, and will clear the area well before midnight. Other
than to add mention of a slight chance of t-storms prior to the
frontal passage, any changes were minimal with the early evening
update.

Previous discussion...

tonight: north winds will turn northeast and increase overnight
as the cold front pushes farther offshore and the pressure
gradient begins to tighten. Pre-dawn winds should MAX out at
15-20 kt for most marine areas with seas 3-5 ft nearshore waters
and 5-6 ft offshore waters. Small craft advisories remain in
effect for the georgia offshore and charleston county legs.

Wednesday through Sunday: the surface pressure gradient will
become enhanced Wednesday, especially as a strengthening low
moves from southwest to northeast across the coastal waters
Wednesday night. Gale force gusts are expected, so we issued
gale warnings for all of the coastal waters Wednesday into
Wednesday night. Steep, wind-driven seas will build in response
to these winds, with seas peaking at or above 10 ft at 10 nm and
beyond. Winds will quickly ease Thursday as the low moves away.

Though, elevated seas could persist across the offshore ga
waters into Friday.

High surf: gale conditions will cause seas to build Wednesday into
Wednesday night. Five foot breakers are expected in the surf zone,
especially along northeast facing beaches. A high surf advisory is
in effect.

Chs watches warnings advisories
Ga... High surf advisory from 11 am Wednesday to 5 am est Thursday
for gaz117-119-139-141.

Sc... High surf advisory from 11 am Wednesday to 5 am est Thursday
for scz051.

High surf advisory from 8 am Wednesday to 8 am est Thursday
for scz048>050.

Marine... Gale warning from noon Wednesday to 1 am est Thursday for
amz352-354-374.

Small craft advisory until 9 am est Wednesday for amz350.

Gale warning from 9 am Wednesday to 3 am est Thursday for
amz350.

Small craft advisory until noon est Wednesday for amz374.

Small craft advisory from 7 am Wednesday to 4 am est Thursday
for amz330.

Near term...

short term...

long term...

aviation...

marine...



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ACXS1 - ACE Basin Reserve, SC 9 mi95 min NNW 2.9 59°F 1020 hPa59°F
41033 15 mi72 min Calm G 0
FBIS1 - Folly Island, SC 27 mi80 min NNW 6 G 9.9 62°F 1021.1 hPa (+2.4)62°F
CHTS1 30 mi32 min NNW 6 G 11 61°F 67°F1020.6 hPa
41029 - Capers Nearshore (CAP 2) 43 mi72 min NNW 12 63°F 66°F1019.4 hPa
FPKG1 - 8670870 - Fort Pulaski, GA 44 mi32 min ENE 5.1 G 7 67°F1020.7 hPa

Wind History for Charleston, SC
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Beaufort County Airport, SC17 mi45 minN 67.00 miOvercast59°F57°F94%1020.3 hPa
Charleston Executive Airport, SC23 mi25 minNNW 75.00 miFog/Mist59°F59°F100%1020.7 hPa

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Last 24hr--------------N3----------------------CalmNW5NW4NW4Calm
1 day ago------------------------------------------------
2 days ago------------------------------------------------

Tide / Current Tables for Edisto Marina, Big Bay Creek entrance, South Edisto River, South Carolina
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


Tide / Current Tables for Ocella Creek, 2 mi. above entrance, South Carolina
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Ocella Creek
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Tue -- 05:25 AM EST     1.08 feet Low Tide
Tue -- 06:48 AM EST     Sunrise
Tue -- 11:55 AM EST     Moonrise
Tue -- 12:20 PM EST     5.96 feet High Tide
Tue -- 05:21 PM EST     Sunset
Tue -- 06:12 PM EST     1.25 feet Low Tide
Tue -- 10:29 PM EST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.24.73.82.71.71.11.21.82.944.95.65.95.85.142.81.81.31.42.23.144.6

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.
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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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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.