Tuesday, March28, 2017 L-36.com


Marine Weather and Tides
Burton, 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 7:13AMSunset 7:41PM Tuesday March 28, 2017 11:58 AM EDT (15:58 UTC) Moonrise 6:47AMMoonset 7:30PM Illumination 1% Phase: Waxing Crescent; Moon at 1 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- 1058 Am Edt Tue Mar 28 2017
Rest of today..SW winds 10 to 15 kt. Seas 3 to 4 ft.
Tonight..SW winds 10 to 15 kt...diminishing to 5 to 10 kt after midnight. Seas 3 to 4 ft.
Wed..NW winds 5 kt...becoming se in the afternoon. Seas 3 to 4 ft.
Wed night..E winds 5 to 10 kt. Seas 3 ft.
Thu..E winds 15 kt. Seas 3 to 4 ft.
Thu night..E 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 with a slight chance of tstms.
Fri..S winds 15 to 20 kt. Seas 4 to 6 ft. Showers and tstms likely.
Fri night..SW winds 15 to 20 kt. Seas 4 to 6 ft. A slight chance of showers and tstms.
Sat..W winds 10 to 15 kt. Seas 3 to 4 ft.
Sat night..W winds 5 to 10 kt. Seas 2 ft. Mariners are reminded that winds and seas can be higher in and near tstms.
AMZ300 1058 Am Edt Tue Mar 28 2017
Synopsis for the coastal waters of south coastal south carolina and north coastal georgia.. A weak cold front will stall over or near the area on Wednesday before moving back north Thursday night into Friday as a warm front. Another cold front will move through Friday night into Saturday followed by drier high pressure Sunday. Unsettled weather could return as soon as next Monday.

7 Day Forecast for Marine Location Near Burton, SC
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location: 32.41, -80.7     debug


Area Discussion for - Charleston, SC
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Fxus62 kchs 281456
afdchs
area forecast discussion
national weather service charleston sc
1056 am edt Tue mar 28 2017

Synopsis
A weak cold front will stall over or near the area on Wednesday
before moving back north Thursday night into Friday as a warm
front. Another cold front will move through Friday night into
Saturday followed by drier high pressure Sunday. Unsettled
weather could return as soon as next Monday.

Near term /through tonight/
A toasty day is in store given low-level warm air advection, a
developing downslope flow aloft, and boundary layer compression
ahead of a weak back door cold front. Mostly sunny skies this
morning have allowed temps to quickly rise into the mid to upper
70s. The tail end of a weak upper vort will move through this
afternoon, bringing a bit more cloud cover and perhaps an
isolated shower or tstm, mainly inland where a lee trough
develops. Despite approaching low and mid level cloudiness, we
expect some of this to dissolve during the afternoon as the
subsidence increases with the downslope flow. Areas closer to
the coast should reach the highest temps. We nudged highs up 1-2
degrees based on current trends and rap13 thickness progs, which
gives 86-88f in most spots. This could tie or break the record
high at kchs today.

Tonight, debris clouds should dissipate across the CWA during
the evening hours. The cold front is forecast to slowly drop in
from the north. The approach and passage of the front will likely
keep winds steady from the west. Using a blend of guidance, min
temperatures are forecast to range from the upper 50s inland to
the low 60s across SE ga.

Short term /Wednesday through Friday/
Atlantic high pressure will give way to a cold front Wednesday which
should make it into southeast ga as high pressure builds from the
north. Drier air and minimal synoptic forcing will yield dry
conditions Wednesday, although cannot rule out a few showers and/or
storms near the altamaha river which will be closer to the stalled
front. It should remain rain-free until later Thursday when deeper
moisture returns and isentropic ascent increases across the area
north of the stalled front which will be starting to move back north
as a warm front. Thus, showers and possibly a few thunderstorms
(mainly across ga) are expected. Rain chances will increase further
Thursday night into Friday as the warm front lifts north through the
area and moisture/forcing increase. Although wind fields will be
strengthening, instability appears minimal Friday and thus the
threat for severe weather is low at this time. Either way it should
be a breezy day with gusts up to around 25 mph.

Temperatures should push into the lower to mid 80s most inland
locales Wednesday, with some upper 80s possible given the offshore
flow and frontal compression. On Thursday, high pressure building
from the north will keep it a bit cooler, especially across sc where
it should stay below 80 degrees except close to the savannah river.

Once again wouldn't be surprised if upper 80s occurred Thursday
toward inland portions of the altamaha river closer to the stalled
front. Temperatures Friday will be moderated by the clouds/rain,
likely only reaching close to 80 inland. Prevailing onshore winds
will keep coastal locations much cooler during the daytime through
the period.

Long term /Friday night through Monday/
A cold front will push through Friday night into Saturday followed
by drier high pressure Sunday. Unsettled weather could return early
next week as a storm system moves across the deep south, although
there remains significant uncertainty regarding the timing of best
rain chances. Highest confidence in rain will be the first part of
Friday night when showers, and possibly some thunderstorms, are
expected. Temperatures should remain above normal through the
period.

Aviation /15z Tuesday through Saturday/
Vfr. At 1110z, a few showers were drifting just offshore. Based
on the timing and placement of a h5 s/w, showers should push
north out of the forecast area by sunrise. Latest cams generally
agree that convection upstream over ga will weaken as it pushes
east of the fall line. By 18z, a cold front is expected to
slowly pushes east of the southern appalachians. The forecast
area will remain between the cold front to the northwest and sfc
high pressure off the atlantic coast of fl. The sfc pattern
will yield steady SW winds across the region. During this
afternoon, forecast soundings from the nam12 indicate that the
mixed layer will rise above 5 kft, resulting in gusts into the
20kts. Winds should weaken after sunset, steady SW winds will
remain through this evening and overnight. The cold front is
forecast to slowly backdoor across the terminals late tonight.

The approach and passage of the front will veer winds from the
nw during the pre dawn hours wed.

Extended aviation outlook: restrictions possible Wed night/thu
morning due to low clouds and/or fog, then likely due to
showers/thunderstorms/low clouds, mainly Thu night into early fri
night.

Marine
The region will remain between a cold front across the carolina
piedmont and high pressure off the fl coast. This pattern
should result in a 2-3 mb pressure gradient across the forecast
area. South winds should gradually strengthen across the marine
zones, becoming gusty this afternoon. The highest wind gusts are
forecast to occur across amz350 in the low 20 kts. Swells
should remain between 3-4 feet today, portions of amz350 and
all of 374 will see 5 feet. Tonight, winds will shift from the
west and weaken as a backdoor cold front slides over the
lowcountry. Wave heights may decrease around 1 foot with the
weaker offshore winds.

Wednesday through Sunday: a weak cold front will move into the area
Wednesday and Wednesday night as high pressure builds to the north.

The front will return back north through the area as a warm front
Thursday night/Friday. A cold front will then move through Friday
night/early Saturday. At some point prior to the cold frontal
passage Saturday sea fog could develop across the cooler near shore
waters and lead to low visibilities.

Expect a high chance for advisories Thursday night across the outer
waters, expanding northward into the sc waters through Friday night
as strengthening winds build seas to 6-8 feet, highest beyond
20 nm.

Rip currents: high risk for rip currents along the sc coast and
moderate for ga today. Gusty winds and long period 3 foot swells
will likely produce rip currents. The combination of higher than
normal tides, onshore winds and swells in the surf zone will
support an enhanced risk for rip currents through mid week,
possibly lasting into Friday.

Tides/coastal flooding
High tides could reach advisory levels, mainly late wed/thu, due
to strengthening onshore winds and swells impacting the coast.

This could cause shallow to moderate saltwater inundation in
vulnerable coastal areas, possibly even reaching major levels
Thursday night. Thus, coastal flood advisories are expected with
a potential for watches/warnings as well.

Climate
Records for today
record
station high
------- ----------
kchs 85 2007
ksav 89 1907
kcxm 91 1907

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

Sc... High risk for rip currents until 8 pm edt this evening for
scz048>051.

Marine... None.

Near term... Jrl
short term... Rjb
long term... Rjb
aviation... Ned/rjb
marine... Ned/rjb
tides/coastal flooding...

climate...



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ACXS1 - ACE Basin Reserve, SC 17 mi74 min SW 4.1 74°F 1017 hPa62°F
41033 18 mi51 min SW 7.8 G 9.7 65°F 62°F1016.9 hPa
FPKG1 - 8670870 - Fort Pulaski, GA 28 mi41 min WSW 6 G 9.9 74°F 64°F1017.4 hPa
FBIS1 - Folly Island, SC 47 mi59 min SSW 13 G 15 66°F 1017.3 hPa (+0.0)63°F
CHTS1 48 mi41 min SSW 8.9 G 13 78°F 63°F1016.5 hPa

Wind History for Fort Pulaski, GA
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G14

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Beaufort County Airport, SC4 mi64 minSSW 610.00 miFair73°F62°F69%1016.9 hPa
Beaufort, Marine Corps Air Station, SC5 mi63 minW 1210.00 miA Few Clouds78°F62°F58%1016.9 hPa
Hilton Head Island, Hilton Head Airport, SC13 mi3.1 hrsSSW 1010.00 miClear70°F60°F73%1016.9 hPa

Wind History from ARW (wind in knots)
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Last 24hrS8S7SW8S11
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S7S7S6S5S5S4S6S6S4SW4SW3SW4SW5SW5SW5SW5SW7
1 day agoS10
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S9S6S3SE3SE3S3CalmCalmCalmSE3CalmCalmCalmCalmCalmCalmS5SW6S5
2 days agoSE5SE8
G15
SE9S8S6SE6CalmSE4E3E4SE3E4E4CalmSE3S3CalmCalmCalmCalmCalmCalmS5S9
G15

Tide / Current Tables for Battery Creek, 4 mi. above entrance, Beaufort River, South Carolina
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Battery Creek
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Tue -- 03:43 AM EDT     -0.82 feet Low Tide
Tue -- 07:15 AM EDT     Sunrise
Tue -- 07:46 AM EDT     Moonrise
Tue -- 10:20 AM EDT     8.58 feet High Tide
Tue -- 04:06 PM EDT     -0.99 feet Low Tide
Tue -- 07:40 PM EDT     Sunset
Tue -- 08:29 PM EDT     Moonset
Tue -- 10:35 PM EDT     9.13 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
6.23.81.4-0.4-0.80.124.26.37.88.58.374.92.40.1-1-0.51.23.667.999

Tide / Current Tables for Capers Creek, Cowen Creek, St. Helena Island, Beaufort River, South Carolina
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Capers Creek
Click for Map
Tue -- 03:38 AM EDT     -0.87 feet Low Tide
Tue -- 07:15 AM EDT     Sunrise
Tue -- 07:46 AM EDT     Moonrise
Tue -- 10:03 AM EDT     8.54 feet High Tide
Tue -- 04:00 PM EDT     -0.99 feet Low Tide
Tue -- 07:39 PM EDT     Sunset
Tue -- 08:28 PM EDT     Moonset
Tue -- 10:19 PM EDT     9.10 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
5.73.31.1-0.5-0.80.32.34.66.688.586.54.31.9-0.1-1-0.31.646.48.29.18.8

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 (11,2,3,4)
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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.