Saturday, August17, 2019 L-36.com


Marine Weather and Tides
Burton, SC

Version 3.4
NOTICE
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 6:47AMSunset 8:06PM Saturday August 17, 2019 6:50 PM EDT (22:50 UTC) Moonrise 8:38PMMoonset 7:31AM Illumination 95% Phase: Waning Gibbous; Moon at 17 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- 327 Pm Edt Sat Aug 17 2019
.small craft advisory in effect until 9 pm edt this evening...
Tonight..SW winds 15 to 20 kt. Gusts to 25 kt this evening. Seas 3 to 5 ft. Showers and tstms likely, mainly this evening.
Sun..SW winds 10 to 15 kt. Seas 3 to 4 ft, subsiding to 2 ft in the afternoon. A chance of showers and tstms.
Sun night..SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers and tstms.
Mon..SW winds 5 to 10 kt, becoming S in the afternoon. Seas 2 ft. A chance of showers and tstms.
Mon night..S winds 5 to 10 kt. Seas 2 ft. A chance of showers and tstms.
Tue..S winds 5 to 10 kt. Seas 2 ft. A chance of showers and tstms.
Tue night..S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms.
Wed..S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms.
Wed night..S winds 5 to 10 kt. Seas 3 ft. A chance of showers and tstms.
Thu..SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms.
Thu 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 327 Pm Edt Sat Aug 17 2019
Synopsis for the coastal waters of south coastal south carolina and north coastal georgia.. An area of low pressure will lift northeast of the area tonight. A stationary front will linger nearby through Sunday before dissipating. Atlantic high pressure and an inland trough will then prevail through much of the week.


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 171949
afdchs
area forecast discussion
national weather service charleston sc
349 pm edt Sat aug 17 2019

Synopsis
An area of low pressure will lift northeast of the area
tonight. A stationary front will linger nearby through Sunday
before dissipating. Atlantic high pressure and an inland trough
will then prevail through much of the week.

Near term until 6 am Sunday morning
Low pressure that developed off the georgia coast early this
morning was located by radar, satellite, and surface data near
the charleston international airport (kchs) at 17 1930z. Several
cyclonic bands with moderate to locally heavy rainfall were
noted across much of southern south carolina spriling into the
low with a number of convective outflows helping to spark
stronger convection over interior southeast georgia.

Pwats remain quite high near the low with values exceeding 2.5
inches while drier air exists across the interior. The risk for
locally heavy rainfall will continue for the next several hours
with the flood threat being primarily limited to low-lying and
poor drainage areas. A few strong tstms will be possible across
interior southeast georgia where temperatures in the mid 90s
juxtaposed with mid 70s dewpoints are supporting MLCAPE values
in excess of 2500 j kg. High resolution data are similar in
showing a band of convection, possibly concentrating along a
weak trough left in the wake of the low, moving slowly east to
the coast through this evening. Pops have been realigned
slightly to reflect this trend with pops maxing out in the
60-80% range. Convection should gradually wind down overnight as
instability wanes and the low exits off the northeast, but
isolated to perhaps scattered activity could still linger near
the beaches through daybreak. Lows will range from the lower-mid
70s well inland to the upper 70s at the beaches.

Short term 6 am Sunday morning through Tuesday
Fairly unsettled pattern will persist into early next week. Surface
high pressure will remain offshore while a weak boundary lingers
inland before dissipating. Deep moisture is progged to reside along
the coastal areas and southeast georgia through the period, with
somewhat drier air inland. It will likely be a pattern where
convection largely fires over the waters during the overnight into
morning hours, and then activity gets going over land during peak
heating as the sea breeze circulation and other mesoscale boundaries
come into play. Pops are a bit higher than normal.

Given wet antecedent conditions, could not rule out some ponding on
roadways, especially in poor drainage areas, where heavy rain falls.

Otherwise, the overall severe weather potential looks low given
marginal instability, but a couple stronger storms are possible
during the afternoon evening hours especially where boundary
interactions occur.

Temperatures will be fairly close to normal, warmest on Sunday.

Highs will range from the low mid 90s inland to mid upper 80s at the
immediate coast. Lows will mainly be in the low to mid 70s.

Long term Tuesday night through Saturday
Moderate confidence this period. High pressure will linger to the
east with low pressure inland. We generally expect a fairly typical
summertime pattern with mainly afternoon evening scattered showers
and thunderstorms, although the some showers and storms could
persist overnight depending on the placement strength of the upper
level low. An approaching cold front late in the week could lead to
better rain chances but confidence is low in any significant impacts
at this point. Temperatures should remain near or above normal.

Aviation 20z Saturday through Thursday
Kchs: immediate impacts from showers tstms has ended. Expect
scattered activity to redevelop by mid-late afternoon, which
could impact the terminal. Will handle this with a MVFR tempo
from 21-00z.VFR is expected for the remainder of the period.

Ksav: convection is already starting to re-fire near the
terminal which will linger through at least mid-afternoon.

Initial thoughts are to carry a tempo for MVFR conditions in
tsra through 21z, but this may need to be adjusted at the last
minute pending radar trends at issuance time.VFR is expected
for the remainder of the period.

Extended aviation outlook: periodic restrictions from mainly
afternoon evening showers and thunderstorms expected at
kchs ksav through mid week.

Marine
Tonight: winds remain elevated across the south carolina and
georgia offshore late this afternoon with gusts 25-30 kt being
observed. Speeds will generally peak over the next few hours,
then slowly diminish as the low pressure near kchs exits to the
northeast. Small craft advisories remain in effect for both
south carolina nearshore legs as well as the georgia offshore
legs through this evening. Winds could get close to advisory
criteria in the charleston harbor for a few hours, but suspect
most of these will be confined to charleston harbor entrance.

Will hold off on issuing flag there. Seas 3-5 ft nearshore 4-6
ft offshore will subside through the night.

Sunday through Thursday: atlantic high pressure will largely be the
dominant feature into mid week. Conditions are expected to remain
below small craft advisory criteria. Winds will generally be out of
the south or southwest at 15 knots or less, with seas 2 to 3 feet
on average.

Chs watches warnings advisories
Ga... None.

Sc... None.

Marine... Small craft advisory until 9 pm edt this evening for amz350-
352.

Small craft advisory until 11 pm edt this evening for amz374.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ACXS1 - ACE Basin Reserve, SC 17 mi65 min Calm 74°F 1015 hPa74°F
41033 18 mi42 min NNE 14 G 21 79°F 85°F1014.8 hPa
FPKG1 - 8670870 - Fort Pulaski, GA 28 mi56 min WNW 18 G 23 83°F 85°F1014.6 hPa
FBIS1 - Folly Island, SC 47 mi50 min W 7 G 11 74°F 1015.3 hPa (+0.6)73°F
CHTS1 48 mi50 min W 6 G 9.9 78°F 87°F1014.7 hPa (+0.8)

Wind History for Fort Pulaski, GA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Beaufort County Airport, SC4 mi75 minENE 77.00 miThunderstorm Light Rain75°F73°F94%1014.6 hPa
Hilton Head Island, Hilton Head Airport, SC13 mi60 minS 410.00 miMostly Cloudy84°F78°F84%1014.6 hPa

Link to 5 minute data for KARW

Wind History from ARW (wind in knots)
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S5SW5SW3Calm--W4CalmCalmCalmCalmNW5NW4W6SW5SW7SW5S9SW6
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1 day agoS4S7SW5S7SW3SW4W4------SW4SW3--------SW3W4S6S11
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2 days agoCalmCalmCalmSW5W9CalmCalmN3CalmCalmS3SW3CalmSW4--------S6SW3S5S8
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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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Sat -- 04:43 AM EDT     0.34 feet Low Tide
Sat -- 06:47 AM EDT     Sunrise
Sat -- 08:31 AM EDT     Moonset
Sat -- 11:06 AM EDT     7.65 feet High Tide
Sat -- 04:47 PM EDT     0.55 feet Low Tide
Sat -- 08:05 PM EDT     Sunset
Sat -- 09:37 PM EDT     Moonrise
Sat -- 11:29 PM EDT     8.19 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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7.86.34.42.30.70.41.12.64.467.27.67.264.22.410.61.22.74.46.17.48.1

Tide / Current Tables for Capers Creek, Cowen Creek, St. Helena Island, Beaufort River, South Carolina
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Capers Creek
Click for Map
Sat -- 04:42 AM EDT     0.36 feet Low Tide
Sat -- 06:47 AM EDT     Sunrise
Sat -- 08:31 AM EDT     Moonset
Sat -- 10:54 AM EDT     7.38 feet High Tide
Sat -- 04:45 PM EDT     0.58 feet Low Tide
Sat -- 08:04 PM EDT     Sunset
Sat -- 09:37 PM EDT     Moonrise
Sat -- 11:17 PM EDT     7.90 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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7.35.942.10.70.41.22.74.567.17.46.85.53.92.20.90.61.32.84.56.17.37.9

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.