Thursday, June22, 2017 L-36.com


Marine Weather and Tides
Beaufort, SC

Version 3.4
What's New / NOTES
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 6:16AMSunset 8:34PM Thursday June 22, 2017 4:34 PM EDT (20:34 UTC) Moonrise 3:59AMMoonset 6:03PM Illumination 2% Phase: Waning Crescent; Moon at 28 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- 307 Pm Edt Thu Jun 22 2017
Tonight..S winds 10 kt, increasing to 15 kt after midnight. Seas 3 to 4 ft. A slight chance of showers and tstms this evening.
Fri..S winds 15 kt. Seas 3 to 4 ft.
Fri night..S winds 15 to 20 kt with gusts to 25 kt. Seas 3 to 4 ft, building to 4 to 5 ft after midnight.
Sat..SW winds 15 to 20 kt with gusts to 25 kt. Seas 3 to 4 ft.
Sat night..SW winds 15 to 20 kt with gusts to 25 kt. Seas 3 to 4 ft. A chance of showers and tstms.
Sun..SW winds 10 kt. Seas 3 to 4 ft, subsiding to 2 to 3 ft in the afternoon. Showers and tstms likely.
Sun night..SW winds 5 to 10 kt. Seas 2 ft. Showers and tstms likely.
Mon..NE winds around 5 kt. Seas 2 ft. A chance of showers and tstms.
Mon night..SW winds 5 to 10 kt. Seas 2 ft. A chance of showers and tstms.
Tue..N winds 5 to 10 kt. Seas 2 ft. A chance of showers and tstms.
Tue night..NE winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance of showers and tstms. Mariners are reminded that winds and seas can be higher in and near tstms.
AMZ300 307 Pm Edt Thu Jun 22 2017
Synopsis for the coastal waters of south coastal south carolina and north coastal georgia.. Atlantic high pressure will give way to a cold front which will move into the area Sunday. The front will slowly push offshore as high pressure brings drier conditions for mid 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 221937
afdchs
area forecast discussion
national weather service charleston sc
337 pm edt Thu jun 22 2017

Synopsis
Atlantic high pressure will give way to a cold front
which will move into the area Sunday. The front will slowly push
offshore as high pressure brings drier conditions for mid to late
week.

Near term until 6 am Friday morning
As of 320 pm: visible satellite indicated a sea breeze as
developed just inland of the SE ga and extreme southern sc
coast. Cumulus across the rest of the sc coast appeared very
shallow. Latest SPC mesoscale analysis indicated normalized cape
between 0.10-0.15 m s2. Deep convection should develop near the
sea breeze, then track nne between 5-10 kts. Later this
afternoon and evening, storms should develop along the outflow
boundaries associated with the coastal thunderstorms. As this
process continues, coverage of convection may reach into the
likely range across inland sc ga by early this evening. Shortly
after sunset, forecast soundings and convective allowing models
indicate that the environment should below less supportive for
showers and thunderstorms. After midnight, no mention of deep
convection will be included in the forecast. Late tonight,
stratus is forecast to develop over the marine zones and will
build east during the pre dawn hours. Given the thick low clouds
and steady light south winds I will not expect fog to form.

Using a blend of guidance, low temperatures are forecast to
range in the mid 70s.

Short term 6 am Friday morning through Sunday
The area will remain on the western fringes of atlantic high
pressure through Saturday before a cold front approaches Saturday
night and pushes into the local area Sunday. Expect low
shower thunderstorm chances Friday, mainly during the afternoon as
the sea breeze pushes inland as highs get back closer to normal in
the lower 90s inland. High humidity will support heat indices
slightly over the century mark away from the coast.

Rain chances will go up Saturday, mainly for areas to the north and
west toward the pee dee midlands, as deeper moisture returns ahead
of an approaching cold front. Deep layer shear will also be on the
increase and could support a few severe storms. Stronger southerly
winds will help boost temperatures a bit higher into the mid 90s
especially across southeast ga where the least cloud cover is
likely. Heat indices once again should peak in the lower 100s
inland. The front should near inland areas by Sunday morning keeping
elevated rain chances across the area Saturday night with lows
remaining quite mild in the mid to upper 70s, although could be a
bit lower depending on the amount of rainfall.

High chances of showers and thunderstorms will continue Sunday as
the front slowly moves through the area. The severe storm risk looks
low overall, mainly confined to southeast portions of the area into
ga where instability should be a bit greater. Highs should be held
down a bit in the upper 80s most locales except toward the altamaha
river where lower 90s are expected.

Long term Sunday night through Thursday
Atlantic high pressure will extend over much of the southeast
this weekend before a cold front associated with the remnants of
tropical storm cindy approaches the area early Sunday into
Monday. At this time, chances of showers and thunderstorms are
forecast over the entire area, but greater coverage of precip is
possible as pwats in excess of 2.0 inches occur during the
timing of fropa. Scattered showers and thunderstorms could
linger into early next week as the front slowly shifts offshore.

However, dry and slightly cooler conditions are anticipated
during the middle and later half of the week as high pressure
builds over the region. In general, high temps should peak in
the mid 80s under some clouds Monday and Tuesday, then warm a
degree or two Wednesday and Thursday under more sunshine.

Overnight lows will range in the low mid 70s Sunday night, then
upper 60s lower 70s through the middle of next week.

Aviation 20z Thursday through Tuesday
Radar and satellite trends indicate that tsras will develop over
or near ksav through 23z. Convection should have the greatest
chance of impacting ksav between 19z-21z, I will highlight with
a tempo. Deep convection appears to have a greater chance inland
from kchs, I will indicate a vcts until 1z. Forecast soundings
and MOS time the development of MVFR ceilings to develop over
the terminals late tonight into early Friday morning. Mixing
following sunrise should bring a return toVFR conditions
between 14z-16z.

Extended aviation outlook:VFR conditions should then prevail Friday
and Saturday. Better chance of restrictions will come Saturday night
and persist through early next week as a cold front slowly moves
through.

Marine
Tonight: south winds will continue between 10 to 15 kts tonight.

Wave heights are forecast to range from 2 to 4 feet through the
overnight hours, greatest across amz374. Convection is expected
to remain near the coast this afternoon, then spreading inland
through this evening.

Friday through Tuesday: atlantic high pressure will remain east of
the waters into the weekend before a cold front moves through Sunday
night into Monday. Winds will remain elevated into Sunday ahead of
the front, possibly reaching advisory levels mainly across the
charleston county nearshore waters Friday night Saturday. Seas will
build as well but should stay below advisory criteria of 6 feet.

Rip currents... Increasing astronomical influences and onshore winds
will lead to an enhanced risk of rip currents across area beaches
through late week.

Tides coastal flooding
Tides will be running high given the increased astronomical
influences and onshore winds could help push levels high enough
to produce shallow coastal flooding around the times of the
evening high tide through the weekend, especially along the
south carolina coast.

Chs watches warnings advisories
Ga... None.

Sc... None.

Marine... None.

Near term... Ned
short term... Rjb
long term...

aviation... Ned rjb
marine... Ned rjb
tides coastal flooding... Rjb


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ACXS1 - ACE Basin Reserve, SC 14 mi110 min S 1 87°F 1018 hPa79°F
41033 18 mi27 min S 12 G 16 82°F 83°F1017.7 hPa
FPKG1 - 8670870 - Fort Pulaski, GA 31 mi47 min S 4.1 G 7 84°F 83°F1018.5 hPa
FBIS1 - Folly Island, SC 45 mi35 min S 12 G 13 82°F 1019.1 hPa (-1.1)77°F
CHTS1 46 mi47 min S 12 G 14 84°F 83°F1018.6 hPa

Wind History for Fort Pulaski, GA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Beaufort County Airport, SC3 mi60 minS 75.00 miThunderstorm Haze in Vicinity82°F77°F84%1017.9 hPa
Beaufort, Marine Corps Air Station, SC4 mi39 minS 610.00 miMostly Cloudy85°F81°F88%1017.9 hPa
Hilton Head Island, Hilton Head Airport, SC15 mi1.7 hrsS 1010.00 miMostly Cloudy86°F78°F79%1019 hPa

Wind History from NBC (wind in knots)
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Last 24hrCalmN6N5N3NE3S5SE3CalmCalmS3S3CalmCalmCalmS4S3S5S4S4SE3SE4E6S7S6
1 day agoNW4N5NE4N4N4NE4NE7NE6NE5NE4N3NE4N4N3CalmNE4N5NE5NE5N43NE53Calm
2 days agoS9
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S7S7S5SW7SW6SW5CalmCalmCalmCalmSW5W6W3W5W4CalmW6W3SW3

Tide / Current Tables for Beaufort, Beaufort River, South Carolina
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Beaufort
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Thu -- 01:59 AM EDT     -0.49 feet Low Tide
Thu -- 04:59 AM EDT     Moonrise
Thu -- 06:16 AM EDT     Sunrise
Thu -- 08:13 AM EDT     7.80 feet High Tide
Thu -- 02:13 PM EDT     -1.26 feet Low Tide
Thu -- 07:02 PM EDT     Moonset
Thu -- 08:33 PM EDT     Sunset
Thu -- 08:42 PM EDT     9.66 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.90.1-0.50.11.73.75.67.17.87.56.24.11.7-0.3-1.2-0.90.83.25.889.49.68.66.6

Tide / Current Tables for Parris Island, Marine Corps Recruit Depot, Beaufort River, South Carolina
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Parris Island
Click for Map
Thu -- 01:35 AM EDT     -0.35 feet Low Tide
Thu -- 04:59 AM EDT     Moonrise
Thu -- 06:16 AM EDT     Sunrise
Thu -- 07:37 AM EDT     7.40 feet High Tide
Thu -- 01:46 PM EDT     -0.99 feet Low Tide
Thu -- 07:02 PM EDT     Moonset
Thu -- 08:05 PM EDT     9.07 feet High Tide
Thu -- 08:33 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.2-0.1-0.20.82.54.56.27.27.36.54.931-0.6-1-024.56.88.49.18.67.25.3

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 (16,3,4,5)
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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.