Thursday, July20, 2017 L-36.com


Marine Weather and Tides
Nicholls, 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 6:42AMSunset 8:38PM Thursday July 20, 2017 10:33 PM EDT (02:33 UTC) Moonrise 2:50AMMoonset 4:56PM Illumination 7% Phase: Waning Crescent; Moon at 27 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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AMZ450 Coastal Waters From Altamaha Sound To Fernandina Beach Fl Out 20 Nm- Coastal Waters From Fernandina Beach To St. Augustine Fl Out 20 Nm- Coastal Waters From St. Augustine To Flagler Beach Fl Out 20 Nm- 858 Pm Edt Thu Jul 20 2017
Rest of tonight..Southwest winds 5 to 10 knots. Seas 2 to 3 feet. Dominant period 8 seconds. Inland waters a light chop.
Friday..South southwest winds around 5 knots becoming southeast in the afternoon. Seas 2 to 3 feet. Dominant period 8 seconds. Inland waters a light chop. A slight chance of showers and Thunderstorms in the afternoon.
Friday night..Southwest winds 5 to 10 knots. Seas 2 to 3 feet. Dominant period 8 seconds. Inland waters a light chop. A slight chance of showers and Thunderstorms in the evening.
Saturday..Southwest winds 5 to 10 knots becoming south southeast 10 to 15 knots in the afternoon. Seas 2 to 3 feet. Dominant period 9 seconds. Inland waters a light chop. A slight chance of showers and Thunderstorms in the morning. A chance of showers and Thunderstorms in the afternoon.
Saturday night..South winds 10 to 15 knots becoming southwest after midnight. Seas 2 to 4 feet. Inland waters a moderate chop. A chance of showers and Thunderstorms.
Sunday..Southwest winds 5 to 10 knots becoming south 10 to 15 knots in the afternoon. Seas 2 to 4 feet. Inland waters a light chop. A chance of showers and Thunderstorms.
Sunday night..Southwest winds 10 to 15 knots. Seas 2 to 4 feet. Inland waters a moderate chop. A chance of showers and Thunderstorms.
Monday..South southwest winds 10 to 15 knots. Seas 2 to 4 feet. Inland waters a moderate chop. A chance of showers and Thunderstorms.
Monday night..Southwest winds 10 to 15 knots. Seas 2 to 4 feet. Inland waters a moderate chop. A chance of showers and Thunderstorms.
Tuesday..South southwest winds 10 to 15 knots. Seas 2 to 3 feet. Inland waters a light chop. A chance of showers and Thunderstorms.
AMZ400 Synopsis For Altamaha Sound Ga To Flagler Beach Fl Out To 60 Nm- 858 Pm Edt Thu Jul 20 2017
Synopsis.. High pressure ridge will remain south of the waters the next few days. Winds will become onshore each afternoon as the sea breeze moves inland, with south to southwesterly winds prevailing otherwise through the weekend.

7 Day Forecast for Marine Location Near Nicholls, GA
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location: 31.54, -82.71     debug


Area Discussion for - Jacksonville, FL
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Fxus62 kjax 210052
afdjax
area forecast discussion
national weather service jacksonville fl
852 pm edt Thu jul 20 2017

Update Area 00z soundings showing very unstable conditions
beneath upper low... With decent cooling in 700mb-300mb layer...

supporting surface-cape values above 4,000 j kg. Radar has been
showing a considerable number of tall intense cores... With
conditions supporting hail and severe-level downburst winds.

Starting to see a decrease in coverage... Which should continue
through the evening. Have adjusted hourly pop weather grids for
expected evolution through the evening. Could see some patchy fog
late tonight... Especially where we've seen significant rainfall.

Aviation Vfr conditions expected... Could be some fog around
kgnv due to rainfall in the area... May need to be added to 06z
taf there.

Marine Surface ridge axis will remain south of the area through
early next week. We expect southwest flow through Saturday then
becoming southeast as the atlantic sea breeze develops. Seas will
generally remain in the 2 to 4 foot range with winds and seas
below small craft exercise caution criteria. Somewhat stronger
southwest flow Sunday through early next week may mute the east
coast sea breeze a bit... As a sfc trough and front push into the
carolinas and possibly north ga.

Rip currents: mainly low risk, though rip currents will be more
prevalent around piers and jetties.

Preliminary point temps pops
Amg 74 95 73 95 20 30 20 20
ssi 77 90 76 91 0 20 10 20
jax 73 93 73 93 10 30 10 30
sgj 75 90 75 91 10 20 20 20
gnv 72 93 72 92 40 30 20 30
ocf 72 93 72 91 50 40 20 40

Jax watches warnings advisories
Fl... None.

Ga... None.

Am... None.

Wolf peterson mcginnis


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SAXG1 - Sapelo Island Reserve, GA 75 mi93 min Calm 82°F 1017 hPa (-1.0)72°F
FRDF1 - 8720030 - Fernandina Beach, FL 89 mi51 min ENE 1.9 G 1.9 81°F 82°F1018.3 hPa
41008 - GRAYS REEF - 40 NM Southeast of Savannah, GA 98 mi43 min SSW 7.8 G 9.7 82°F 82°F2 ft1017.2 hPa (+0.5)73°F

Wind History for Fernandina Beach, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Douglas, Douglas Municipal Airport, GA9 mi58 minN 010.00 miFair75°F69°F83%1017.6 hPa
Alma, Bacon County Airport, GA11 mi40 minN 010.00 miFair74°F70°F88%1016.8 hPa

Wind History from DQH (wind in knots)
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Last 24hrS5CalmCalmCalmCalmCalmCalmCalmCalmSW4W3CalmNW3CalmNW3CalmCalmE3SE4S6E3CalmCalmW3
1 day agoCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmNW3NW5CalmCalmN3SW3CalmW4NW3W3CalmCalmCalmCalm
2 days agoCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmNE3CalmW3CalmCalmS8CalmSW8SW3Calm

Tide / Current Tables for Burnt Fort, Satilla River, Georgia
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Burnt Fort
Click for Map
Thu -- 03:47 AM EDT     Moonrise
Thu -- 05:19 AM EDT     0.23 feet Low Tide
Thu -- 06:37 AM EDT     Sunrise
Thu -- 10:21 AM EDT     3.37 feet High Tide
Thu -- 05:29 PM EDT     -0.17 feet Low Tide
Thu -- 05:51 PM EDT     Moonset
Thu -- 08:29 PM EDT     Sunset
Thu -- 11:02 PM EDT     4.09 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
3.42.71.91.20.60.30.41.22.12.93.33.332.41.70.90.3-0.1-00.71.933.84.1

Tide / Current Tables for Below Spring Bluff, Little Satilla River, Georgia
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Below Spring Bluff
Click for Map
Thu -- 01:45 AM EDT     0.54 feet Low Tide
Thu -- 03:46 AM EDT     Moonrise
Thu -- 06:36 AM EDT     Sunrise
Thu -- 07:35 AM EDT     7.83 feet High Tide
Thu -- 01:55 PM EDT     -0.38 feet Low Tide
Thu -- 05:50 PM EDT     Moonset
Thu -- 08:16 PM EDT     9.49 feet High Tide
Thu -- 08:29 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
2.20.90.61.63.25.16.77.77.875.53.51.60.1-0.40.52.54.87.18.79.59.38.16.2

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 Jacksonville, FL (22,6,7,8)
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Ground Weather Radar Station Moody AFB, GA
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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.