Monday, March27, 2017 L-36.com


Marine Weather and Tides
Edisto Beach, SC

Version 3.4
What's New / NOTES
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.
3/12/2015 - Added section for Gulf current for users in the GMZ marine zones.
This was requested by a user. If you have requests, please let me know.

Sunrise 7:11AMSunset 7:38PM Monday March 27, 2017 6:31 PM EDT (22:31 UTC) Moonrise 6:05AMMoonset 6:22PM Illumination 0% Phase: New Moon; Moon at 0 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- 340 Pm Edt Mon Mar 27 2017
Tonight..SE winds 5 to 10 kt...becoming s. Seas 2 to 4 ft.
Tue..SW winds 5 to 10 kt...becoming S 15 kt in the afternoon. Seas 3 to 4 ft.
Tue night..SW winds 10 to 15 kt. Seas 3 to 4 ft.
Wed..W winds 5 to 10 kt...becoming S in the afternoon. Seas 3 to 4 ft.
Wed night..SE winds 10 kt...becoming E after midnight. Seas 2 to 3 ft.
Thu..E winds 10 to 15 kt. Seas 2 to 3 ft.
Thu night..SE winds 15 kt with gusts to 20 kt. Seas 3 to 4 ft... Building to 4 to 5 ft after midnight. A chance of showers and tstms.
Fri..S winds 15 to 20 kt. Seas 4 to 6 ft. A chance of showers and tstms.
Fri night..SW winds 10 to 15 kt. Seas 4 to 6 ft. A slight chance of showers and tstms.
Sat..W winds 10 to 15 kt. Seas 2 to 3 ft.
Sat night..W winds 5 to 10 kt. Seas 2 to 3 ft. Mariners are reminded that winds and seas can be higher in and near tstms.
AMZ300 340 Pm Edt Mon Mar 27 2017
Synopsis for the coastal waters of south coastal south carolina and north coastal georgia.. Atlantic high pressure will weaken through Tuesday. A weak cold front will stall over or near the area on Wednesday. Another cold front will move through Friday night into Saturday followed by drier high pressure Sunday.

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 271956
afdchs
area forecast discussion
national weather service charleston sc
356 pm edt Mon mar 27 2017

High risk for rip currents along the lower south carolina
coast Tuesday...

Synopsis
Atlantic high pressure will weaken through Tuesday. A weak cold
front will stall over or near the area on Wednesday. Another
cold front will move through Friday night into Saturday followed
by drier high pressure Sunday.

Near term /through tonight/
Through sunset: isolated showers/tstms will remain possible
through sunset along/west of the inland moving sea breeze.

Pops around 20% will be maintained.

Tonight: persistent atlantic high pressure will finally begin
to relent overnight as a cold front approaches from the west.

Afternoon convection will quickly end with the loss of
insolation and expect mostly dry conditions to prevail through
the evening hours. The risk for precipitation will increase
early Tuesday morning as a potent southern stream shortwave and
the attendant cold front draw closer. The bulk of the strong
dpva/forcing looks to pass well to the north with only the tail
end brushing areas adjacent to the csra and southern midlands.

This should be enough for an area of isolated showers/tstms to
move across the northern portions of the forecast area; roughly
along/north of a millen-walterboro-downtown charleston line.

Will carry 20% pops in these areas with non-mentionable pops
elsewhere. Although surface based instability will be at a
minimum, models show fairly decent mid-level lapse rates with
corresponding showalter values dropping to -1 to -2c. This could
be just enough to support a few rumbles of thunder. Lows will
range from within a degree or two of 60 inland with lower 60s at
the coast.

Short term /Tuesday through Thursday/
The upper shortwave will be moving off the sc coast by early
Tuesday afternoon, taking with it the best chance for showers
and tstms. We maintained a slight chance for precip across far
northern areas where the better forcing will exist.

The upper ridge will expand to the east on Wednesday while a
weak back door cold front drops in from the north. Despite a
weak northerly surface flow developing, downslope component
aloft and large-scale warm air advection should result in warm
temperatures in the mid/upper 80s.

The upper ridge will hang on into Thursday though some shortwave
energy lifting out of the central gulf will yield increasing
isentropic ascent across the stalled front. Scattered showers
will be possible over the central and southern areas, with
thunderstorms possible farther to the south where a bit more
surface-based instability develops.

Long term /Thursday night through Sunday/
The stalled front across ga is expected to shift north as a warm
front Thursday night into Friday followed by a cold frontal passage
Saturday. Drier high pressure looks to then return later in the
weekend before more unsettled weather possibly moves back into the
area for next Monday. Showers and thunderstorms will be possible
through Friday night, although the best chances and heaviest amounts
are likely through Friday morning. Temperatures should remain above
normal through the period.

Aviation /18z Monday through Saturday/
Vfr. Isolated tstms are expected to develop west and north of
the terminals this afternoon and will be monitored. No direct
impacts are expected.

Extended aviation outlook: low ceilings possible Wed night
through Thu night as a front stalls over the area. Brief flight
restrictions possible in showers and tstms Thu night through fri
night.

Marine
Tonight: southerly flow regime will persist overnight the area
will remain situated between high pressure well offshore and a
cold front to the west. Speeds will remain 10 kt or less with
seas 2-4 ft nearshore waters and 4-5 ft georgia offshore waters.

Tuesday through Saturday: strengthening east to southeast flow
Thursday into Friday will result in increasing seas, with 6
footers reaching the gulf stream by Thursday night. At least 6
ft seas expected over all coastal marine zones on Friday,
gradually subsiding Friday night into Saturday as the surface
high shifts east. Small craft advisories appear likely for much
of the area during this time.

Rip currents: 3 ft 10 sec swell, increasing onshore winds and
astronomical influences will yield a high risk for rip currents
along the sc coast and moderate for ga on Tuesday. The swell
will be decreasing on Wednesday though the risk will likely
remain elevated at least until then.

Tides/coastal flooding
High tides could reach advisory levels, mainly late
Wednesday/Thursday, due to strengthening onshore winds and
swells impacting the coast. This could cause shallow saltwater
inundation in typically vulnerable coastal areas, especially in
sc.

Chs watches/warnings/advisories
Ga... None.

Sc... None.

Marine... None.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ACXS1 - ACE Basin Reserve, SC 9 mi106 min S 2.9 73°F 1017 hPa61°F
41033 15 mi83 min SSE 7.8 G 9.7 66°F 64°F1017 hPa
FBIS1 - Folly Island, SC 27 mi31 min S 7 G 8 67°F 1018.1 hPa (-1.6)62°F
CHTS1 30 mi43 min S 7 G 12 71°F 63°F1017.5 hPa
41029 - Capers Nearshore (CAP 2) 43 mi83 min S 7.8 G 9.7 66°F 1017.2 hPa
FPKG1 - 8670870 - Fort Pulaski, GA 44 mi43 min S 8.9 G 13 71°F 64°F1017.2 hPa

Wind History for Charleston, SC
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Beaufort County Airport, SC17 mi36 minS 9 G 147.00 miPartly Cloudy72°F59°F65%1016.9 hPa
Beaufort, Marine Corps Air Station, SC21 mi35 minSSE 710.00 miMostly Cloudy74°F63°F69%1016.8 hPa
Charleston Executive Airport, SC23 mi36 minS 8 G 1310.00 miFair73°F59°F61%1017.3 hPa

Wind History from NBC (wind in knots)
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Last 24hrS5S3SE5CalmS3S3CalmSE4CalmCalmCalmCalmCalmCalmSE3S4S4SE7SE6SE9SE8SE10SE11S7
1 day agoSE7SE5E5SE3E3CalmCalmCalmS3CalmCalmCalmCalmCalmCalmSE6S8
G15
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2 days agoSE9E4SE5SE4SE5CalmCalmCalmCalmCalmCalmN3CalmCalmN3CalmSE4SE5SE5SE9
G15
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Tide / Current Tables for Edisto Marina, Big Bay Creek entrance, South Edisto River, South Carolina
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Edisto Marina
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Mon -- 02:03 AM EDT     -0.61 feet Low Tide
Mon -- 07:05 AM EDT     Moonrise
Mon -- 07:15 AM EDT     Sunrise
Mon -- 08:10 AM EDT     6.77 feet High Tide
Mon -- 02:30 PM EDT     -0.85 feet Low Tide
Mon -- 07:21 PM EDT     Moonset
Mon -- 07:38 PM EDT     Sunset
Mon -- 08:25 PM EDT     7.06 feet High Tide
Mon -- 10:59 PM EDT     New Moon
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.4-0-0.6-0.11.33.14.96.26.86.55.542.20.4-0.7-0.70.52.44.56.176.964.5

Tide / Current Tables for Ocella Creek, 2 mi. above entrance, South Carolina
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Ocella Creek
Click for Map
Mon -- 02:13 AM EDT     -0.44 feet Low Tide
Mon -- 07:05 AM EDT     Moonrise
Mon -- 07:15 AM EDT     Sunrise
Mon -- 08:48 AM EDT     6.29 feet High Tide
Mon -- 02:37 PM EDT     -0.55 feet Low Tide
Mon -- 07:21 PM EDT     Moonset
Mon -- 07:37 PM EDT     Sunset
Mon -- 09:05 PM EDT     6.54 feet High Tide
Mon -- 10:59 PM EDT     New Moon
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.80.3-0.4-0.20.92.545.36.16.35.74.32.50.8-0.3-0.50.41.93.65.16.16.56.24.9

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 Charleston, 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.