Sunday, August18, 2019 L-36.com


Marine Weather and Tides
Riceboro, GA

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 6:51AMSunset 8:08PM Sunday August 18, 2019 3:45 AM EDT (07:45 UTC) Moonrise 9:09PMMoonset 8:27AM Illumination 93% 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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AMZ354 Waters From Savannah Ga To Altamaha Sound Ga Out 20 Nm, Including Grays Reef National Marine Sanctuary- 313 Am Edt Sun Aug 18 2019
Today..SW winds 10 to 15 kt with gusts to 20 kt. Seas 3 to 4 ft, subsiding to 2 ft this afternoon. A slight chance of showers and tstms early this morning, then a chance of showers and tstms this afternoon.
Tonight..SW winds 10 to 15 kt. Seas 2 ft. A chance of showers and tstms, mainly in the evening.
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 ft. A chance of showers and tstms.
Wed..S winds 5 to 10 kt. Seas 2 ft. A chance of showers and tstms.
Wed night..S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms.
Thu..S winds 5 to 10 kt. Seas 2 ft. A chance of showers and tstms.
Thu night..S winds 10 kt. Seas 2 ft. A chance of showers and tstms. Mariners are reminded that winds and seas higher in and near tstms.
AMZ300 313 Am Edt Sun Aug 18 2019
Synopsis for the coastal waters of south coastal south carolina and north coastal georgia.. A stationary front will linger just west of the area early this week before dissipating. Atlantic high pressure and an inland trough will then prevail into late week before a cold front approaches but likely stalls before reaching the area.


7 Day Forecast for Marine Location Near Riceboro, GA
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location: 31.54, -81.26     debug


Area Discussion for - Charleston, SC
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Fxus62 kchs 180710
afdchs
area forecast discussion
national weather service charleston sc
310 am edt Sun aug 18 2019

Synopsis
A stationary front will linger just west of the area early this
week before dissipating. Atlantic high pressure and an inland
trough will then prevail into late week before a cold front
approaches but likely stalls before reaching the area.

Near term through tonight
As of 305 am: sfc low pressure over the outer banks of nc will
track to the NE through the day. Latest water vapor images
indicate that the axis of tropical moisture has pushed east over
the gulf stream. However, water vapor images indicated a mid
level disturbance over the midlands of sc, drifting east.

Convection will likely develop over marine zones this morning,
supported be moderate instability and deep moisture. Over land,
showers and thunderstorms should remain isolated and largely
confined to the coastal counties through mid-morning. Near term
guidance indicates that a sea breeze will develop by late this
morning. The sea breeze is expected to advance inland through
this afternoon, triggering isolated to scattered thunderstorms.

In addition, a few thunderstorms will likely develop east of the
mid level disturbance during the heat of the afternoon. Using a
blend of guidance, high temperatures are forecast to range from
the mid 90s far inland to the upper 80s along the coast.

Tonight: convection will likely dissipate over SE ga and sc within 1
to 2 hours of sunset. Isolated showers and thunderstorms will likely
linger over the near shore waters through tonight. Min temperatures
are expected to range in the mid to upper 70s.

Short term Monday through Wednesday
Moderate confidence this period. Deep layer troughing will linger
inland while high pressure persists offshore. Although rain chances
will continue to be in the forecast we think the best chances will
come Monday when the best combination of moisture and forcing look
to occur. Given the deep moisture and light low-mid level winds
there will be at least a small risk of localized heavy rain flooding
but not expecting anything much more significant than the norm. Also
can't completely rule out isolated severe storms each day but
conditions aren't that favorable for much severe weather due to
limited instability deep layer shear. Temperatures should mostly be
near to above normal, although could end up being below normal
Monday with the greater rain cloud coverage.

Long term Wednesday night through Saturday
Moderate confidence this period. The pattern doesn't change much
until late week when a cold front moves south toward the area this
weekend. Deeper moisture and the nearby front should promote better
rain chances. Otherwise, no significant impacts expected overall
with the severe weather risk remaining low. Temperatures should
remain near above normal.

Aviation 07z Sunday through Thursday
Prior to the 6z tafs, IR satellite and sfc observations
indicated that a ragged patch of MVFR ceilings was approaching
kchs. I will highlight the ceilings with a tempo from 6z to 10z.

Forecast soundings and MOS indicated that ifr to MVFR ceilings
will develop over ksav around dawn. Near term guidance indicates
that a sea breeze will develop along the coast by late this
morning, sliding inland through the afternoon hours. Cams
indicate that showers and thunderstorms will pass near the
terminals during the early to mid afternoon hours, I will
highlight the tsra potential with tempo groups.

Extended aviation outlook: periodic restrictions at kchs ksav
through fri, mainly from afternoon evening showers and thunderstorms.

Marine
Winds and seas will subside during the pre-dawn hours as low
pressure over the outer banks tracks ne. The small craft advisories
will remain in effect until 5 am. The sfc pattern today into tonight
will feature high pressure over the western atlantic and weak low
pressure over the deep south. This pattern will support steady south-
southwest winds between 10 to 15 kts. Wave heights are forecast to
settle between 2-3 ft.

Monday through Friday: atlantic high pressure and an inland trough
will result in mainly south southwest winds 15 kt or less through
the period. No significant marine impacts are expected other than
some stronger storms from time to time.

Chs watches warnings advisories
Ga... None.

Sc... None.

Marine... Small craft advisory until 5 am edt early this morning for
amz350-352-374.

Near term... Ned
short term... Rjb
long term... Rjb
aviation... Ned rjb
marine... Ned rjb


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SAXG1 - Sapelo Island Reserve, GA 9 mi45 min SSW 11 77°F 1017 hPa (+0.0)74°F
41008 - GRAYS REEF - 40 NM Southeast of Savannah, GA 23 mi55 min SW 19 G 23 80°F 83°F3 ft1016.5 hPa (+0.0)76°F
FPKG1 - 8670870 - Fort Pulaski, GA 39 mi45 min WSW 5.1 G 8 85°F1017.2 hPa (+0.0)

Wind History for Fort Pulaski, GA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Brunswick / Glynco, GA22 mi70 minSSW 810.00 miPartly Cloudy76°F73°F91%1017.3 hPa

Link to 5 minute data for KBQK

Wind History from BQK (wind in knots)
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1 day ago----SW9SW6SW9--SW8--SW8SW5W6SW12W6CalmS10S6S10S9S7SW5S8S8SW9S5
2 days agoCalmCalmCalmCalmCalmW3W7SW8W5W6S3E4SE11SE11SW7--S7--S7S7S9S8--SW10

Tide / Current Tables for Dog Hammock, Sapelo River, Georgia
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Dog Hammock
Click for Map
Sun -- 05:04 AM EDT     0.39 feet Low Tide
Sun -- 06:52 AM EDT     Sunrise
Sun -- 09:27 AM EDT     Moonset
Sun -- 11:07 AM EDT     7.08 feet High Tide
Sun -- 05:10 PM EDT     0.69 feet Low Tide
Sun -- 08:05 PM EDT     Sunset
Sun -- 10:09 PM EDT     Moonrise
Sun -- 11:28 PM EDT     7.36 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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7.15.94.32.51.10.40.92.23.95.56.67.16.85.74.32.71.40.712.23.95.56.67.3

Tide / Current Tables for Harris Neck, Barbour Island River, Georgia
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Harris Neck
Click for Map
Sun -- 05:14 AM EDT     0.43 feet Low Tide
Sun -- 06:51 AM EDT     Sunrise
Sun -- 09:27 AM EDT     Moonset
Sun -- 11:28 AM EDT     7.35 feet High Tide
Sun -- 05:20 PM EDT     0.76 feet Low Tide
Sun -- 08:05 PM EDT     Sunset
Sun -- 10:09 PM EDT     Moonrise
Sun -- 11:49 PM EDT     7.64 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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7.66.653.11.40.50.71.93.65.36.67.37.26.44.93.31.70.8123.65.36.67.4

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 (3,6,7,8)
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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.