Tuesday, September26, 2017 L-36.com


Marine Weather and Tides
Henderson, GA

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 7:15AMSunset 7:16PM Tuesday September 26, 2017 4:09 PM EDT (20:09 UTC) Moonrise 12:02PMMoonset 10:44PM Illumination 36% Phase: Waxing Crescent; Moon at 6 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- 244 Pm Edt Tue Sep 26 2017
Tonight..NW winds 5 to 10 kt. Seas 2 to 4 ft.
Wed..NW winds 5 to 10 kt. Seas 2 to 3 ft.
Wed night..W winds 5 to 10 kt. Seas 2 ft.
Thu..NW winds 5 to 10 kt, becoming ne in the afternoon. Seas 2 ft.
Thu night..S winds 5 to 10 kt, becoming sw after midnight. Seas 1 to 2 ft.
Fri..N winds 5 kt, becoming E in the afternoon. Seas 2 ft. A slight chance of showers and tstms.
Fri night..E winds 5 to 10 kt. Seas 2 ft. A chance of showers and tstms.
Sat..NE winds 15 to 20 kt. Seas 3 to 4 ft. A chance of showers and tstms.
Sat night..NE winds 15 to 20 kt. Seas 4 to 6 ft. A chance of showers and tstms.
Sun..NE winds 20 to 25 kt. Seas 5 to 7 ft. A chance of showers and tstms.
Sun night..NE winds 20 to 25 kt. Seas 5 to 7 ft. A chance of showers and tstms. Mariners are reminded that winds and seas higher in and near tstms.
AMZ300 244 Pm Edt Tue Sep 26 2017
Synopsis for the coastal waters of south coastal south carolina and north coastal georgia.. Hurricane maria will continue to track off the mid atlantic coast through late week. A cold front will move through the area by early this weekend, followed by high pressure into early next week.

7 Day Forecast for Marine Location Near Henderson, GA
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location: 32.03, -81.22     debug


Area Discussion for - Charleston, SC
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Fxus62 kchs 261846
afdchs
area forecast discussion
national weather service charleston sc
246 pm edt Tue sep 26 2017

Synopsis
Hurricane maria will continue to track off the mid atlantic
coast through late week. A cold front will move through the
area by early this weekend, followed by high pressure into early
next week.

Near term through tonight
A dry, downslope flow will remain place tonight as hurricane
maria meanders offshore of the north carolina outer banks.

Expect dry conditions continue through daybreak with diurnal
cumulus quickly dissipating after sunset yielding clear to
mostly clear skies. The boundary layer looks to decouple later
this evening with lows ranging from the upper 60s well inland to
the mid 70s at the beaches.

Short term Wednesday through Friday
A broad upper level ridge to our west Wednesday into Thursday
will maintain dry conditions and well above-normal temperatures.

With highs in the lower 90s we will only be a few degrees away
from daily records.

The development of an upper low over the eastern gulf of mexico
will result in the upper ridge retrograding and a relatively
zonal flow setting up over the eastern united states.

Reinforcing canadian high pressure will move into the great
lakes on Friday and push a cold front into the area. Though
moisture and forcing will be limited, there could be enough
ascent to produce isolated showers or tstms across the area on
Friday. Slightly cooler temperatures will affect far northern
areas though little to no cold advection will reach the majority
of the area during the day. Thus highs will again reach the
lower 90s most areas.

Long term Friday night through Monday
High surface pressure will begin filling back into the area later
Friday into the weekend behind the departing cold front. Elevated
probabilities for precipitation will linger behind frontal passage
as a sharpening upper level trough crosses the forecast area
Saturday. Ridging aloft will follow this feature and a weak high
pressure wedge-type pattern could set up near or just inland from
the area later Saturday into Sunday and persist into early next
week.

Aviation 18z Tuesday through Sunday
Primary concerns:
* none
vfr through the period for both kchs and ksav.

Extended aviation outlook: mainlyVFR conditions are expected.

Marine
Tonight: seas have subsided enough at buoy 41004 to cancel the
small craft advisory for the charleston county waters. Seas will
remain above 6 ft over the georgia offshore waters where the
small craft advisory remains in effect. Northwest winds will
continue with seas ranging from 2-4 ft nearshore waters to 5-7
ft offshore waters.

Wednesday through Sunday: seas will continue to steadily
subside on Wednesday with small craft advisory conditions ending
by midday over the offshore ga waters. For the remainder of
Wednesday through Friday, rather tranquil conditions will exist
with weak high pressure building from the northwest.

Northeast winds will begin increasing early Saturday in
response to a tightening pressure gradient, peaking around 20
knots with gusts to 25 knots, and seas increasing in response.

Small craft advisory conditions will be possible again by
Saturday afternoon and could persist into early next week.

Rip currents: with a strong pinching of winds and the resulting
increase in seas this weekend, another round of enhanced rip
current risk seems likely.

Climate
Record highs for 28 september:
kchs: 94 1986.

Kcxm: 92 1986.

Ksav: 98 1986.

Chs watches warnings advisories
Ga... None.

Sc... None.

Marine... Small craft advisory until 5 pm edt this afternoon for amz350.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
FPKG1 - 8670870 - Fort Pulaski, GA 17 mi52 min NNW 8.9 G 9.9 85°F 81°F1010.9 hPa
SAXG1 - Sapelo Island Reserve, GA 42 mi70 min Calm 89°F 1011 hPa (-2.0)70°F
41033 46 mi62 min NNW 7.8 G 9.7 84°F 1016.2 hPa
41008 - GRAYS REEF - 40 NM Southeast of Savannah, GA 47 mi80 min W 5.8 G 7.8 81°F 81°F4 ft1011.1 hPa (-1.6)70°F

Wind History for Fort Pulaski, GA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Hunter U. S. Army Airfield, GA4 mi12 minNW 810.00 miA Few Clouds90°F70°F52%1009.7 hPa
Savannah-Hilton Head International Airport, GA8 mi17 minNNW 810.00 miA Few Clouds91°F69°F49%1010.2 hPa
Wright Army Airfield (Fort Stewart)/Midcoast Regional Airport, GA21 mi12 minN 610.00 miPartly Cloudy89°F67°F48%1010.4 hPa

Wind History from SVN (wind in knots)
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Last 24hrN6N5NE7NE6NE3NE2CalmCalmW4NW4NW5NW4W5W4W3N6N5N9NW9NW9NW8NW7N10NW8
1 day agoNE6NE5NE4CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmN4CalmN5N7N9N8N7N5N6N5N6
2 days agoNE10E10E10E6NE4NE4CalmCalmCalmCalmCalmN4NW3N3NE4N5NE7NE10E10NE6NE7NE8N4N7

Tide / Current Tables for Highway bridge, Ogeechee River, Georgia
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Highway bridge
Click for Map
Tue -- 04:03 AM EDT     1.00 feet High Tide
Tue -- 07:16 AM EDT     Sunrise
Tue -- 11:11 AM EDT     0.19 feet Low Tide
Tue -- 01:01 PM EDT     Moonrise
Tue -- 04:39 PM EDT     1.06 feet High Tide
Tue -- 07:16 PM EDT     Sunset
Tue -- 11:44 PM EDT     Moonset
Tue -- 11:58 PM EDT     0.24 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.30.50.70.9110.90.70.50.40.20.20.20.40.70.911.110.90.70.50.40.3

Tide / Current Tables for Savannah River Entrance, Georgia Current
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Savannah River Entrance
Click for Map
Tue -- 01:53 AM EDT     -0.00 knots Slack
Tue -- 04:27 AM EDT     -1.50 knots Max Ebb
Tue -- 07:14 AM EDT     Sunrise
Tue -- 07:57 AM EDT     0.00 knots Slack
Tue -- 10:32 AM EDT     1.70 knots Max Flood
Tue -- 01:00 PM EDT     Moonrise
Tue -- 02:32 PM EDT     -0.00 knots Slack
Tue -- 05:46 PM EDT     -1.53 knots Max Ebb
Tue -- 07:14 PM EDT     Sunset
Tue -- 08:45 PM EDT     0.00 knots Slack
Tue -- 11:07 PM EDT     1.52 knots Max Flood
Tue -- 11:42 PM EDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.10.6-0.1-1-1.5-1.5-1.3-0.8011.61.61.30.90.4-0.4-1.2-1.5-1.5-1.4-0.70.31.11.5

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.