Monday, June26, 2017 L-36.com


Marine Weather and Tides
Burton, 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 6:17AMSunset 8:34PM Monday June 26, 2017 11:45 PM EDT (03:45 UTC) Moonrise 8:05AMMoonset 9:58PM Illumination 10% Phase: Waxing Crescent; Moon at 3 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- 925 Pm Edt Mon Jun 26 2017
Tonight..NE winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance of showers.
Tue..N winds 5 to 10 kt, becoming ne in the afternoon. Seas 2 ft. A slight chance of showers and tstms.
Tue night..E winds 5 to 10 kt. Seas 2 ft. A slight chance of showers and tstms.
Wed..NE winds 15 kt. Seas 2 to 3 ft.
Wed night..E winds 10 to 15 kt. Seas 3 ft.
Thu..E winds 10 to 15 kt. Seas 2 to 3 ft.
Thu night..SE winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. A slight chance of showers and tstms.
Fri..SE winds 5 to 10 kt. Seas 2 ft. A chance of showers and tstms.
Fri night and Sat..S winds 5 to 10 kt. Seas 2 ft. A chance of showers and tstms.
Sat night..S winds 10 kt. Seas 2 to 3 ft. A chance of showers and tstms. Mariners are reminded that winds and seas higher in and near tstms.
AMZ300 925 Pm Edt Mon Jun 26 2017
Synopsis for the coastal waters of south coastal south carolina and north coastal georgia.. A cold front will slowly push through the area tonight and then linger off the coast Tuesday. A disturbance aloft will pass through Tuesday evening, followed by high pressure Wednesday. The high will shift into the atlantic by Thursday and extend across the local area into next weekend.

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 270144
afdchs
area forecast discussion
national weather service charleston sc
944 pm edt Mon jun 26 2017

Synopsis
A cold front will linger off the coast through Tuesday. A
disturbance aloft will pass through Tuesday evening, followed by
high pressure Wednesday. The high will shift into the atlantic
by Thursday and extend across the local area into next weekend.

Near term until 6 am Tuesday morning
This evening, a quasi-stationary front extended from far south
ga, northeast over the gulf stream waters off our coast. Showers
have diminished over southeast ga zones with only isolated
showers lingering along mesoscale boundaries which were drifting
inland as the boundary layer flow has shifted onshore across
the region. Deepest moisture was confined to far southeast ga
and northeast florida while drier air continues to filter in
across much of sc. Broad diffluent upper flow, lingering
boundaries and coastal convergence may still result in some
showers overnight along and south of the savannah river and we
maintained slight chance pops mainly to the south of i-16. There
is still an uncertainty for fog given a broad gradient of low
level moisture profiles across the area. We continue to opt to
leave any fog mentions out of the forecast this evening,
certainly some areas could end up with patchy fog and northern
inland areas some ground fog. Only minor changes to overnight
lows most areas with tweaks to sky cover and our ongoing
temp dew point curves on this update.

Short term 6 am Tuesday morning through Thursday
We'll get a short respite from typical summertime heat and humidity
through mid week, before it slowly starts to make a return Thursday.

Shower and t-storm chances are also below average during this time,
no greater than isolated or maybe scattered coverage to occur.

For Tuesday the cold front will meander off the SE coast, with an
upstream moving through the midwest states. We're in a rather
nebulous surface pattern between the two features, with a broad
large scale trough situated aloft over the eastern half of the
nation. The main initiator for any convection will be the sea breeze
and a differential heating boundary near the altamaha river due to
the proximity of the cold front and the southern extension of a
somewhat drier air mass. As such we look for 20-30% pop's,
highest south of i-16 where the best moisture exists. I leaned
toward the MOS guidance rather than the slightly warmer low
level thickness forecast, since that is more in line with 850 mb
temps that are below average for late june. Thermodynamics are
unimpressive, but given quite a bit of dry air with the
resulting dcape's in excess of 800-1000 j kg, plus 0-6 km bulk
shear of 20-25 kt may support an isolated severe risk.

A short wave trough will slide through from the NW around 02-06z
Wednesday, and with the lack of deep moisture it shouldn't produce
anything more than isolated showers and t-storms the first half of
the night. This is followed by the southern portion of the canadian
air mass, that allows for lows to get down to the mid and upper 60s
inland from us-17, lower 70s on the barrier islands and in
downtown charleston.

Wednesday through Thursday: the broad trough in the east lifts out
and gives way to building heights aloft from a building sub-tropical
ridge centered near the NW bahamas Wednesday that becomes positioned
about midway between florida and bermuda on Thursday. Moisture is
definitely in limited supply Wednesday, with pwat's as much as 2-3
standard deviations below normal under high pressure covering a good
chunk of the eastern u.S. As the high moves into the atlantic for
Thursday, return flow brings with it more common pwat's for
this time of year. The sea breeze is the main driver of any
diurnal convection during this time, and this supports at most
isolated coverage across interior SE ga Wednesday. With better
moisture Thursday we are forecasting 20-30% chances, mainly over
se ga and for the sc counties near the savannah river. Below
normal temps will prevail, and comfortable levels of humidity
Wednesday become more typical Thursday.

Long term Thursday night through Monday
Nearly zonal flow will persist aloft with surface high pressure in
the atlantic. Southerly flow around the high will advect moisture
into the southeast as an inland trough develops into the weekend.

The result will be the typical summertime shower thunderstorm
pattern with the coverage and intensity appearing to increase each
day into the weekend.

Aviation 02z Tuesday through Saturday
GenerallyVFR, although there is some risk of restrictions from
fog and or low clouds at kchs ksav later tonight. Latest 18z
model soundings from the NAM along with the hourly rap13 both
are less than emphatic for subVFR conditions later tonight, but
weak onshore boundary layer flow is a concern. At kchs, there
could be some mifg later tonight but it looks a bit dry off the
deck for the most part. Ksav is more uncertain as soundings
suggest some layered clouds may stick around and some drier near
surface air may drain down into the upper ga coast overnight.

Extended aviation outlook: mainlyVFR through Thursday. Maybe brief
flight restrictions in afternoon shra tsra Friday and Saturday.

Marine
Tonight: a cold front will linger near the coast as a weak wave
of low pressure or two will move northeast along it. Mainly
east northeast winds will back to north northeast, remaining
about 10 kt or less (after peaking 10 to 15 kt at times this
evening). 2-3 ft seas, highest charleston waters and offshore.

Tuesday through Saturday: a weak pressure pattern Tuesday gives
way to the counter-clockwise flow around high pressure later
Tuesday night through the end of the week. Sea breeze
circulations will give a boost to winds each day, but on
average, speeds will remain at or below 12-18 kt and seas no
greater than 2-4 ft.

Tides coastal flooding
Latest guidance takes into account some slightly stronger onshore
flow ongoing this evening along the sc coast and forecast tidal
levels have been on a slow uptick for high tide later this evening.

We issued a coastal flood advisory earlier for shallow coastal
flooding with expectations that tonight's high tide reaches at
least 7.0 ft mllw at downtown charleston. Tide levels at fort
pulaski look to peak just shy of shallow coastal flooding levels.

High tides are around 11 pm edt this evening along the coast.

Chs watches warnings advisories
Ga... None.

Sc... Coastal flood advisory until 1 am edt Tuesday for scz048>050.

Marine... None.

Near term...

short term... 33
long term...

aviation...

marine...

tides coastal flooding...



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ACXS1 - ACE Basin Reserve, SC 17 mi61 min Calm 74°F 1017 hPa71°F
41033 18 mi38 min E 7.8 G 12 80°F 83°F1016.7 hPa
FPKG1 - 8670870 - Fort Pulaski, GA 28 mi46 min SE 4.1 G 5.1 79°F 84°F1017.7 hPa (+0.3)
FBIS1 - Folly Island, SC 47 mi46 min E 7 G 8.9 80°F 1017.6 hPa (-0.0)65°F
CHTS1 48 mi46 min NNE 4.1 G 5.1 79°F 84°F1017.3 hPa (-0.0)

Wind History for Fort Pulaski, GA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Beaufort County Airport, SC4 mi51 minN 07.00 miFair75°F69°F83%1017.3 hPa
Beaufort, Marine Corps Air Station, SC5 mi50 minN 010.00 miFair78°F71°F79%1017.3 hPa
Hilton Head Island, Hilton Head Airport, SC13 mi51 minN 010.00 miFair79°F71°F79%1017.6 hPa

Wind History from ARW (wind in knots)
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Last 24hrNW4CalmNW5NW5CalmCalmN4N3N4N9NE10NE9NE8NE7NE8NE6E6E7E7E9E4CalmCalmCalm
1 day agoSW5SW5CalmCalmCalmSW4W3CalmN4CalmCalmS4CalmS6S8W14
G23
W3N4CalmCalmCalmS4NW3Calm
2 days agoS6SW8S10SW7
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Tide / Current Tables for Battery Creek, 4 mi. above entrance, Beaufort River, South Carolina
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Battery Creek
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Mon -- 05:25 AM EDT     -0.83 feet Low Tide
Mon -- 06:17 AM EDT     Sunrise
Mon -- 09:05 AM EDT     Moonrise
Mon -- 11:59 AM EDT     7.93 feet High Tide
Mon -- 05:37 PM EDT     -0.86 feet Low Tide
Mon -- 08:33 PM EDT     Sunset
Mon -- 10:57 PM EDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
9.38.163.40.9-0.7-0.60.62.54.66.47.57.97.45.93.71.3-0.5-0.80.32.44.76.98.4

Tide / Current Tables for Capers Creek, Cowen Creek, St. Helena Island, Beaufort River, South Carolina
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Capers Creek
Click for Map
Mon -- 05:19 AM EDT     -0.89 feet Low Tide
Mon -- 06:17 AM EDT     Sunrise
Mon -- 09:04 AM EDT     Moonrise
Mon -- 11:43 AM EDT     7.95 feet High Tide
Mon -- 05:30 PM EDT     -0.90 feet Low Tide
Mon -- 08:33 PM EDT     Sunset
Mon -- 10:57 PM EDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
9.17.65.52.90.5-0.8-0.60.82.856.77.77.97.15.53.30.9-0.7-0.70.62.75.17.28.6

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 (23,6,7,8)
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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.