Thursday, March21, 2019 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 7:20AMSunset 7:32PM Thursday March 21, 2019 6:29 PM EDT (22:29 UTC) Moonrise 7:28PMMoonset 7:02AM Illumination 99% Phase: Waning Gibbous; Moon at 16 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- 343 Pm Edt Thu Mar 21 2019
Tonight..SW winds 10 to 15 kt, becoming W 15 to 20 kt late this evening. Seas 3 to 4 ft.
Fri..NW winds 10 to 15 kt, becoming W in the afternoon. Seas 3 to 4 ft, subsiding to 2 to 3 ft in the afternoon.
Fri night..NW winds 10 to 15 kt with gusts to 20 kt. Seas 3 to 4 ft, subsiding to 2 to 3 ft after midnight.
Sat..N winds 10 to 15 kt, becoming E 5 to 10 kt in the afternoon. Seas 2 to 3 ft.
Sat night..E winds 5 to 10 kt. Seas 2 ft.
Sun..SE winds 5 to 10 kt. Seas 2 ft.
Sun night..S winds 5 to 10 kt. Seas 2 ft.
Mon..SW winds 10 to 15 kt. Seas 2 ft. A slight chance of showers and tstms.
Mon night..SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers with a slight chance of tstms.
Tue..N winds 15 to 20 kt. Seas 3 to 4 ft. A chance of showers.
Tue night..NE winds 20 to 25 kt. Seas 4 to 6 ft. A chance of showers. Mariners are reminded that winds and seas higher in and near tstms.
AMZ300 343 Pm Edt Thu Mar 21 2019
Synopsis for the coastal waters of south coastal south carolina and north coastal georgia.. A cold front will move offshore tonight. High pressure will build over the region on Friday and will linger through this weekend. Low pressure may move across the region on Monday night through Tuesday night.


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 212017
afdchs
area forecast discussion
national weather service charleston sc
417 pm edt Thu mar 21 2019

Synopsis
A cold front will move offshore tonight. High pressure will
build over the region on Friday and will linger through this
weekend. Low pressure may move across the region on Monday
night through Tuesday night.

Near term until 6 am Friday morning
This evening and tonight: the area will remain along the southern
base of a mid-lvl trough of low pressure shifting over the southeast
united states this evening, helping maintain a westerly flow
across the area. Mixing profiles continue to support wind gusts
generally up to 15-20 mph, but winds should gradually decrease
as diurnal heating is loss this evening. A dry cold front is
expected to continue shifting over the area this evening, then
offshore early tonight, helping maintain modest low-lvl mixing
and winds generally around 5 mph through the night. There
should be a brief period of mid clouds shifting over the area
this evening, but skies are expected to become clear overnight
as dry air continues to advect into the region behind the cold
front and mid-upper lvl trough aloft. In general, temps should
dip into the low mid 40s, coldest well inland.

Short term 6 am Friday morning through Sunday
A elongated area of high pressure sourced from central canada will
begin to build over the region on Friday. The center of the high is
forecast to settle over the forecast area Saturday and Saturday
night. The high will slide off the carolina coast on Sunday. The
weather through the period will be dry with clear to mostly clear
sky conditions. Daytime temperatures will peak around 70 with
morning lows in the 40s, warmest conditions on Sunday.

Long term Sunday night through Thursday
A broad low pressure system is forecast to track across the region
Monday night through Tuesday night. I will increase pops during the
period and will introduce schc for thunderstorms Tuesday afternoon
and evening. Cold air advection in the wake of the low may result in
upper 30s inland early Wednesday morning. Sfc high pressure is
expected to dominate the region Wednesday and Thursday.

Aviation 20z Thursday through Tuesday
Vfr conditions will prevail at both chs and sav terminals through
18z Friday. West-southwest winds could up to around 15-20 kt at
both terminals this afternoon.

Extended aviation:VFR through Sunday. Flight restrictions are
possible Tuesday and Tuesday night.VFR conditions return on
Wednesday.

Marine
This evening and tonight: west-southwest winds will peak near
15-20 kt at times this evening ahead of a dry cold front
approaching the waters by early evening. Winds should be highest
across northern south carolina waters. Seas will generally peak
near 3-4 ft in nearshore waters and up to 4-6 ft in offshore
georgia waters this evening. Jetting and surging is expected
behind the front with west-southwest winds turning more northwest
during the second half of the night. Cold air advection along
with 1000mb geostrophic flow near 30-35 kt will likely support
small craft advisory level conditions over offshore georgia
waters through the night and for roughly a 4-6 hour window
across northern south carolina waters beyond 10 nm from the
coast. Given the setup, a small craft advisory is now in effect
for northern south carolina waters starting at 11 pm tonight,
mainly for wind gusts near 25 kt and seas up to 6 ft closer to
20 nm offshore. A small craft advisory will remain in effect for
offshore georgia waters through the night. Weaker low-lvl
mixing near the coast and south, should keep winds just below
advisory criteria over remaining waters.

Extended marine: high pressure will build over the marine zones
Friday through Saturday, yielding winds generally below 15 kts. A
short window of gusty winds are possible Friday evening. Seas are
expected to range between 2 to 4 ft. Low pressure is forecast to
track near the region on Tuesday and Tuesday night. In the wake of
the low, gusty NE winds are expected across the marine zones. Small
craft advisory conditions may begin on Tuesday and remain through
Wednesday.

Rip currents: a moderate risk for rip currents will continue along
the beaches through Friday evening. Surf is forecast to feature
2 ft with 10 second periods. Northwest winds are expected during
the morning Friday, then will shift from the west.

Fire weather
A dry cold front will move across southeast georgia late afternoon
into early evening. Winds are expected to remain elevated with gusts
up to around 15-20 kt early evening. In addition, rh values will
remain near critical for the next couple hours away from the coast.

Fuels across southeast georgia are the lowest in our forecast area,
but values appear marginal. Per collaboration with SPC fire weather,
all of southeast georgia is in an elevated potential for fire danger
through late afternoon. A fire danger statement remains in place for
this region into early evening.

Friday: rh values as low as 25-30 percent and elevated offshore
winds could also cause fire concerns, especially if partners
report low fuel moisture.

Chs watches warnings advisories
Ga... None.

Sc... None.

Marine... Small craft advisory until noon edt Friday for amz374.

Small craft advisory from 11 pm this evening to 6 am edt
Friday for amz350.

Near term... Dpb
short term... Ned
long term... Ned
aviation... Dpb ned
marine... Dpb ned
fire weather...



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ACXS1 - ACE Basin Reserve, SC 9 mi105 min S 2.9 64°F 1009 hPa46°F
41033 15 mi82 min SSE 9.7 G 12 61°F 60°F1009.1 hPa
FBIS1 - Folly Island, SC 27 mi90 min SSW 14 G 17 60°F 1009.7 hPa (-2.3)49°F
CHTS1 30 mi48 min SSW 8 G 14 63°F 60°F1009.1 hPa
41029 - Capers Nearshore (CAP 2) 43 mi82 min SW 18 G 23 60°F 59°F1009.2 hPa
FPKG1 - 8670870 - Fort Pulaski, GA 44 mi48 min S 8 G 12 64°F 60°F1009 hPa

Wind History for Charleston, SC
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Beaufort County Airport, SC17 mi55 minS 67.00 miMostly Cloudy63°F41°F45%1009.1 hPa
Beaufort, Marine Corps Air Station, SC21 mi94 minSSE 1010.00 miOvercast63°F48°F60%1009.1 hPa
Charleston Executive Airport, SC23 mi55 minS 910.00 miMostly Cloudy63°F42°F49%1009.5 hPa

Wind History from NBC (wind in knots)
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Last 24hrN13N10N9N7N6N7NW6W3NW6W6W5--------SW9W7W12
G16
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NW9SW9
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SW9S10SE9
1 day agoN11N8N10NE13NE7NE5N5N8N5N5CalmN4N4N7N9N10N8N9N10
G15
N7N8N12N13N15
2 days agoS6SW3S35N3NE11
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N10N7N10N11NE11NE9NE9NE11
G19
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G22
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G17
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G17
NE12N12----

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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Thu -- 03:03 AM EDT     -1.16 feet Low Tide
Thu -- 07:23 AM EDT     Sunrise
Thu -- 08:01 AM EDT     Moonset
Thu -- 09:41 AM EDT     6.83 feet High Tide
Thu -- 03:27 PM EDT     -0.98 feet Low Tide
Thu -- 07:33 PM EDT     Sunset
Thu -- 08:27 PM EDT     Moonrise
Thu -- 10:10 PM EDT     6.93 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.41.3-0.4-1.2-0.70.72.54.35.76.66.85.94.22.20.3-0.8-0.80.21.83.65.26.46.96.6

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 (18,4,5,8)
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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.