Wednesday, August21, 2019 L-36.com


Marine Weather and Tides
Beaufort, SC

Version 3.4
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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 6:49AMSunset 8:02PM Wednesday August 21, 2019 2:57 AM EDT (06:57 UTC) Moonrise 10:37PMMoonset 11:07AM Illumination 69% Phase: Waning Gibbous; Moon at 20 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- 1212 Am Edt Wed Aug 21 2019
Rest of tonight..S winds 10 to 15 kt, diminishing to 10 kt. Seas 1 to 2 ft.
Wed..SW winds 10 to 15 kt. Seas 2 to 3 ft. A slight chance of showers and tstms.
Wed night..S winds 10 to 15 kt. Seas 3 ft. A slight chance of showers and tstms in the evening, then a chance of showers and tstms after midnight.
Thu..SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers and tstms, mainly in the morning.
Thu night..S winds 10 to 15 kt. Seas 3 ft. A slight chance of showers and tstms in the evening, then a chance of showers and tstms after midnight.
Fri..SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms.
Fri night..S winds 10 kt. Seas 2 to 3 ft. A chance of showers and tstms.
Sat..S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms.
Sat night..S winds 5 to 10 kt. Seas 2 ft. A chance of showers and tstms.
Sun..E winds 5 to 10 kt. Seas 2 to 3 ft. Showers and tstms likely.
Sun night..SE winds 5 to 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 1212 Am Edt Wed Aug 21 2019
Synopsis for the coastal waters of south coastal south carolina and north coastal georgia.. Atlantic high pressure and an inland trough will prevail through late week. A cold front push into the region this weekend then will stall over or just south of the area through early next week.


7 Day Forecast for Marine Location Near Beaufort, SC
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location: 32.44, -80.67     debug


Area Discussion for - Charleston, SC
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Fxus62 kchs 210450
afdchs
area forecast discussion
national weather service charleston sc
1250 am edt Wed aug 21 2019

Synopsis
Atlantic high pressure and an inland trough will prevail
through late week. A cold front push into the region this
weekend then will stall over or just south of the area through
early next week.

Near term until 6 am this morning
Midnight update: we trimmed back some inland pops per latest
radar and model guidance, still possible some remnant showers
reach the northwest tier of zones by dawn.

Latest guidance indicates convection over the sc midlands will
likely persist inland from our forecast region overnight,
tending to dissipate between 06z and 09z. Overnight, the low-
level steering flow will veer with time which should keep any
noctural, marine-based convection confined to the coastal
waters.

Lows will range from the mid 70s inland to around 80 at the
beaches.

Short term 6 am this morning through Friday
Wednesday through Friday: expect typical conditions for the latter
half of august, featuring scattered showers thunderstorms,
especially midday into early evening, and slightly above normal
temperatures with highs mainly in the lower 90s and lows in the
lower middle 70s inland and in the upper 70s near 80f on the
beaches. As usual, maximum heat index values in the 100-105f range
will be locally punctuated by the cooling influence of
thunderstorms.

Of note, the southern periphery of low pressure an associated pool
of mid-level vorticity centered near the nc va coast will brush our
region Wednesday, and this could enhance diurnal thunderstorm
coverage to some degree, particularly across sc counties. Otherwise,
thunderstorms will focus along the sea breeze and other mesoscale
boundaries through late week, so precise placement of thunderstorms
will remain elusive beyond the near-term forecast period. Also, a
cold front will approach the region Friday, but latest guidance
suggests that this boundary could remain too far to the north to
influence thunderstorms coverage across our region, unless organized
convection upstream manages to hold together to push into our area
late afternoon or during the evening. Meanwhile, pwat values
exceeding 2 inches will support locally heavy rainfall, while
diurnal instability will provide a daily potential for a
brief isolated severe thunderstorm. However, the potential for
significant coverage of excessive rainfall or for significant severe
weather will remain low through late week.

Long term Friday night through Tuesday
Low to moderate confidence this period. The pattern doesn't change
much until a cold front likely pushes into the area this weekend,
possibly moving through southeast ga as well early next week. We
prefer the slower wpc ECMWF guidance with regard to the frontal
passage timing. Eventually a more fall-like high pressure wedge
pattern should set up and feature cooler temperatures and above
normal rain chances. Think the severe storm risk will be low with
possibly a better risk for some flooding given the deep moisture and
weak storm motions leading to some training.

Aviation 04z Wednesday through Sunday
Vfr. Afternoon showers tstms will once again develop near the
terminals this afternoon. Impact probabilities are too low to
justify a mention of tsra at either terminal this far out.

Extended aviation outlook: occasional flight restrictions at
kchs ksav each day through Friday, mainly from afternoon evening
showers and thunderstorms. However,VFR most of the time during this
period. More frequent significant flight restrictions are likely this
weekend due to increased moisture and a cold front moving south
through the area.

Marine
Overnight: southerly winds will prevail with speeds around 10 kt.

Seas of 1-2 ft will build to 2-3 ft overnight.

Wednesday through Sunday: winds seas are expected to remain below
small craft advisory levels. However, thunderstorms will produce
locally hazardous conditions at any time. Through Saturday,
south southwest winds should average 10-20 knots, with strongest
winds likely during the daily sea breeze and at night give typical
nocturnal trends. A weakening cold front could push through the
waters by Sunday, and winds could turn toward the east. Seas outside
thunderstorms will average 1-3 feet through Saturday, highest beyond
20 nm, then seas could build slightly to 2-4 feet Sunday.

Chs watches warnings advisories
Ga... None.

Sc... None.

Marine... None.

Near term...

short term...

long term...

aviation...

marine...



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ACXS1 - ACE Basin Reserve, SC 14 mi73 min Calm 82°F 1020 hPa78°F
41033 18 mi50 min SSW 14 G 19 83°F 85°F1019.1 hPa
FPKG1 - 8670870 - Fort Pulaski, GA 31 mi64 min SSW 5.1 G 8.9 82°F 84°F1019.8 hPa
FBIS1 - Folly Island, SC 45 mi58 min SSW 14 G 15 83°F 1019.8 hPa (-0.9)76°F
CHTS1 46 mi64 min SSW 5.1 G 8 82°F 85°F1019.5 hPa

Wind History for Fort Pulaski, GA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Beaufort County Airport, SC3 mi3 hrsS 510.00 miFair81°F73°F79%1019.6 hPa

Link to 5 minute data for KNBC

Wind History from NBC (wind in knots)
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Last 24hrS3SW3S3CalmCalmCalmSW435SW6S6S7SE6SE7S8S10S4S4S4S3S3S5S5Calm
1 day ago----------------CalmSE5S7S7SE8S8S7
G15
5S7S4S3CalmS4S5S4SW4
2 days ago------------------------------------------------

Tide / Current Tables for Beaufort, Beaufort River, South Carolina
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Beaufort
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Wed -- 01:06 AM EDT     7.32 feet High Tide
Wed -- 06:50 AM EDT     Sunrise
Wed -- 07:28 AM EDT     0.77 feet Low Tide
Wed -- 12:07 PM EDT     Moonset
Wed -- 01:35 PM EDT     7.58 feet High Tide
Wed -- 07:46 PM EDT     1.35 feet Low Tide
Wed -- 08:00 PM EDT     Sunset
Wed -- 11:37 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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6.97.37.16.24.83.21.80.90.91.93.55.26.67.57.56.95.74.12.61.61.423.34.8

Tide / Current Tables for Parris Island, Marine Corps Recruit Depot, Beaufort River, South Carolina
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Parris Island
Click for Map
Wed -- 12:50 AM EDT     6.73 feet High Tide
Wed -- 06:50 AM EDT     Sunrise
Wed -- 06:54 AM EDT     0.62 feet Low Tide
Wed -- 12:06 PM EDT     Moonset
Wed -- 01:14 PM EDT     6.94 feet High Tide
Wed -- 07:12 PM EDT     1.16 feet Low Tide
Wed -- 08:00 PM EDT     Sunset
Wed -- 11:37 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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6.56.76.35.23.72.210.61.22.54.15.56.56.96.75.84.531.81.21.42.43.75

Weather Map and Satellite Images
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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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Wind Forecast for Charleston, SC (2,6,7,8)
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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.