Tuesday, January16, 2018 L-36.com


Marine Weather and Tides
Jacksonboro, SC

Version 3.4
What's New / NOTES
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
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.

Sunrise 7:20AMSunset 5:39PM Tuesday January 16, 2018 4:05 AM EST (09:05 UTC) Moonrise 6:57AMMoonset 5:31PM Illumination 0% Phase: New Moon; Moon at 29 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- 351 Am Est Tue Jan 16 2018
Today..NE winds 5 to 10 kt. Seas 3 to 4 ft, subsiding to 2 to 3 ft this afternoon.
Tonight..NE winds 5 kt, becoming nw after midnight. Seas 2 to 3 ft.
Wed..W winds 10 to 15 kt, becoming nw 15 to 20 kt with gusts to 25 kt in the afternoon. Seas 3 to 4 ft.
Wed night..N winds 15 to 20 kt with gusts to 25 kt. Seas 3 to 4 ft.
Thu..N winds 10 to 15 kt with gusts to 20 kt, becoming nw 5 to 10 kt in the afternoon. Seas 2 to 3 ft.
Thu night..W winds 5 to 10 kt. Seas 2 ft.
Fri..W winds 5 to 10 kt. Seas 2 ft.
Fri night..W winds 5 to 10 kt. Seas 2 ft.
Sat..SW winds 5 to 10 kt. Seas 1 foot.
Sat night..SW winds 5 kt. Seas 1 foot.
AMZ300 351 Am Est Tue Jan 16 2018
Synopsis for the coastal waters of south coastal south carolina and north coastal georgia.. High pressure will linger over the region today. A cold front will sweep across the area Wednesday morning, followed by dry high pressure into late week. Warmer conditions arrive this weekend before another cold front pushes through Monday. Dry high pressure will then return on Tuesday.

7 Day Forecast for Marine Location Near Jacksonboro, SC
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location: 32.63, -80.47     debug


Area Discussion for - Charleston, SC
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Fxus62 kchs 160535
afdchs
area forecast discussion
national weather service charleston sc
1235 am est Tue jan 16 2018

Synopsis
High pressure will linger over the region through Tuesday. A
cold front will sweep across the southeast Wednesday, followed
by dry high pressure into late week. Warmer conditions arrive
this weekend before another cold front approaches early next
week.

Near term until 6 am this morning
On the midnight update: everything looks on track and only very
minor tweaks were needed for this clear, calm and cold
overnight period.

Locations near and west of us-17 will experience their 3rd
night in a row of a freeze, and their 10th time so far this
month, forecasting mid and upper 20s across much of the region
inland from us-17, lower and middle 30s on the barrier islands,
in downtown charleston and near the shore of lake moultrie.

Short term 6 am this morning through Thursday
Surface high pressure will maintain quiet weather on Tuesday as it
briefly settles overhead. Meanwhile upstream, an amplified upper
trough will swing east across the ohio valley and send a cold front
towards the area. The area will be under mostly clear skies much of
the day, although some clouds will move into the western zones late.

Temperatures will peak in the mid upper 50s, highest in the south.

The aforementioned cold front is progged to quickly push through the
forecast area Wednesday. Large scale forcing is there for
precipitation, however there is not much moisture to work with.

Northern and western zones have the best chance to see some
measurable rain behind the front (albeit a few hundredths of an inch
at best), so slight chance pops have been maintained. Of more
interesting note is the potential for a brief period of light snow.

Strong cold advection will ensue behind the front, and there looks
to be a small window when some of the colder air coincides with the
best moisture. Have included mention of light snow in the forecast
for far interior areas. No snow accumulation is expected.

Precipitation chances will decrease through the afternoon as low
pressure lifts to the northeast and the atmosphere rapidly dries
out. Wednesday night, it will get quite cold. Temperatures in the
low 20s combined with elevated winds will result in wind chills in
the mid upper teens.

Surface high pressure will build in from the west on Thursday as the
flow aloft become more zonal. Despite full sunshine, temperatures
will be at least 10 degrees cooler than normal. Very dry air will
preclude any chance of precipitation.

Long term Thursday night through Monday
Temps will warm considerably on Friday as high pressure lingers over
the area. High temps should peak in the mid 50s Friday afternoon
while overnight lows dip into the low mid 30s. Even warmer temps are
expected late weekend and early next week as a southerly sfc wind
develops and ridging occurs aloft. Temps should approach the low mid
60s over most areas Saturday, then potentially upper 60s to around
70 on Sunday. The next best chance of precip should occur Monday as
a cold front sweeps through the area.

Aviation 06z Tuesday through Saturday
Vfr at kchs ksav through 06z Wednesday.

Extended aviation outlook:VFR. A cold front could bring gusty
winds at both terminals Wednesday afternoon.

Marine
Overnight: the gradient across the local waters will be less
than recent nights, due to the proximity of a 1033 mb high
aligned N ne-s SW just east of the central and southern
appalachians. This will result in N to NE winds at or below
10-15 kt, and seas will be held to no more than 3-5 ft, highest
across the outer ga waters.

Tuesday through Saturday: high pressure on Tuesday will give way to
a cold front crossing the waters Wednesday. Marine conditions will
quickly deteriorate in wake of the front as strong cold advection
ensues. Small craft advisories likely for most, if not all, zones
starting as early as Wednesday afternoon. As low pressure lifts to
the northeast and high pressure builds in on Thursday, winds and
seas will begin to subside. All waters should be advisory-free by
Thursday afternoon. The rest of the week will be fairly quiet with
no additional marine issues expected.

Equipment
The kclx radar is out of service until further notice. Technicians
are troubleshooting and working on repairs.

The downtown charleston observation site (chls1 cxm) will be
unavailable until further notice.

Chs watches warnings advisories
Ga... None.

Sc... None.

Marine... None.

Near term...

short term... Ect
long term... Dpb
aviation...

marine...

equipment...



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ACXS1 - ACE Basin Reserve, SC 5 mi81 min Calm 30°F 1031 hPa25°F
41033 24 mi58 min NNE 12 G 14 38°F 45°F1029.3 hPa
FBIS1 - Folly Island, SC 31 mi66 min N 6 G 7 36°F 1030.9 hPa (-0.4)23°F
CHTS1 31 mi48 min NNW 5.1 G 7 36°F 45°F1030.6 hPa
41029 - Capers Nearshore (CAP 2) 46 mi58 min NNE 14 G 18 35°F 1030.1 hPa
FPKG1 - 8670870 - Fort Pulaski, GA 47 mi48 min NE 6 G 7 39°F 46°F1030.5 hPa

Wind History for Charleston, SC
(wind in knots)    EDIT      (on/off)   Help
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Last
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N9
G12
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G12
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NW9
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G16
N7
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E11
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N6
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2 days
ago
W8
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G17
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G18
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G12
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G6
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G12
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G14
N10
G13
N8
G15

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Beaufort, Marine Corps Air Station, SC17 mi70 minN 410.00 miFair31°F26°F82%1030.7 hPa
Beaufort County Airport, SC17 mi71 minNNE 47.00 miFair32°F26°F80%1030.5 hPa
Walterboro Lowcountry Regional Airport, SC22 mi71 minNNW 510.00 miFair25°F23°F93%1031.5 hPa

Wind History from ARW (wind in knots)
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Last 24hrN8N7NE10N9N9N8N10N10N11N6NW8N6N8N7N5NE4NE3NE4CalmCalmN3N5N3N4
1 day agoN10N10N10N8
G18
N11NE14
G17
NE13NE10N8NE7N7E4NE4NE7E4NE9N7NE8N8N6N8N8N9N9
2 days agoW12
G15
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G18
W15
G18
W13
G19
W16
G23
W15
G21
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G18
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G17
NW12
G17
NW9NW8NW4W4W6NW6NW5N6N9N10N8N10

Tide / Current Tables for Airy Hall Plantation, Ashepoo River, South Carolina
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Airy Hall Plantation
Click for Map
Tue -- 03:18 AM EST     -0.05 feet Low Tide
Tue -- 06:56 AM EST     Moonrise
Tue -- 07:23 AM EST     Sunrise
Tue -- 09:34 AM EST     4.32 feet High Tide
Tue -- 03:59 PM EST     -0.01 feet Low Tide
Tue -- 05:30 PM EST     Moonset
Tue -- 05:39 PM EST     Sunset
Tue -- 09:18 PM EST     New Moon
Tue -- 09:42 PM EST     3.83 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
2.11.20.4-00.10.81.82.83.74.24.33.93.12.11.10.3-00.31.12.23.13.73.83.4

Tide / Current Tables for Penny Creek, south of, Edisto River, South Edisto River, South Carolina
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Penny Creek
Click for Map
Tue -- 04:01 AM EST     -0.06 feet Low Tide
Tue -- 06:56 AM EST     Moonrise
Tue -- 07:23 AM EST     Sunrise
Tue -- 09:43 AM EST     5.41 feet High Tide
Tue -- 04:42 PM EST     -0.01 feet Low Tide
Tue -- 05:30 PM EST     Moonset
Tue -- 05:39 PM EST     Sunset
Tue -- 09:18 PM EST     New Moon
Tue -- 09:51 PM EST     4.79 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
3.1210.2-0.10.41.534.35.25.454.23.220.90.200.82.13.54.54.84.5

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 (4,6,7,8)
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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.