Saturday, August19, 2017 L-36.com


Marine Weather and Tides
Dock Junction, 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 6:53AMSunset 8:04PM Saturday August 19, 2017 7:01 AM EDT (11:01 UTC) Moonrise 3:31AMMoonset 5:35PM Illumination 8% 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- 257 Am Edt Sat Aug 19 2017
Today..Southwest winds 5 to 10 knots becoming south southeast in the afternoon. Seas 2 to 3 feet. Dominant period 7 seconds. Inland waters a light chop. A slight chance of showers and Thunderstorms in the afternoon.
Tonight..South southwest winds 10 to 15 knots. Seas 2 to 3 feet. Dominant period 9 seconds. Inland waters a light chop. A chance of showers and Thunderstorms in the evening. A slight chance of showers and Thunderstorms after midnight.
Sunday..Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Dominant period 8 seconds. Inland waters a light chop. A slight chance of showers and Thunderstorms.
Sunday night..South southeast winds 10 to 15 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, then a chance of showers and Thunderstorms after midnight.
Monday..East southeast winds 5 to 10 knots. Seas 2 to 3 feet. Inland waters a light chop. A chance of showers and Thunderstorms.
Monday night..Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Inland waters a light chop. A chance of showers and Thunderstorms.
Tuesday..East southeast winds 5 to 10 knots. Seas 2 to 4 feet. Inland waters a light chop. A chance of showers and Thunderstorms.
Tuesday night..South southeast winds 5 to 10 knots. Seas 2 to 4 feet. Inland waters smooth. A slight chance of showers and Thunderstorms.
Wednesday..Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Inland waters a light chop. A slight chance of showers and Thunderstorms.
AMZ400 Synopsis For Altamaha Sound Ga To Flagler Beach Fl Out To 60 Nm- 257 Am Edt Sat Aug 19 2017
Synopsis.. The region will be between high pressure to the south and a trough to the north today. High pressure will shift to the north of the area early next week.

7 Day Forecast for Marine Location Near Dock Junction, GA
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location: 31.21, -81.55     debug


Area Discussion for - Jacksonville, FL
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Fxus62 kjax 190730
afdjax
area forecast discussion
national weather service jacksonville fl
330 am edt Sat aug 19 2017

Near term (today and tonight)
Low clouds and patchy fog early this morning will affect mainly
ne fl where locally heavy rainfall occurred yesterday. Expect
another round of convection this afternoon evening similar to
Fridays activity. Most of the showers and storms will be across ne
fl into coastal areas of SE ga where the highest moisture exists.

Locally heavy rainfall will be the main concern due to a light sw
steering flow and pwats around 2 inches. Showers will die off by
midnight with temperatures a few degrees above average.

Short term (Sunday and Monday)
Upper level low across southern florida will move into the
central gulf on Sunday and weakens into an open wave by Monday. At
the surface, onshore flow develops as high pressure across the
atlantic moves northward. A weak surface trough across georgia may
provide additional convergence to kick off a few more
thunderstorms across southeastern georgia Sunday.

Upper level ridge from the atlantic noses further westward on
Monday, which may help to limit pops and cloud cover for eclipse
viewing - the highlight of this timeframe. For now have just
slight chance to chance (20-40%) across most of the area. Sky
cover will resemble most summer afternoons with cumulus clouds and
a few thunderstorms by early to mid-afternoon. Atlantic seabreeze
is expected to develop though with weak steering flow, it likely
won't be able to move too far inland. Temperatures will warm into
the upper 80s low 90s before the eclipse, and any areas that
aren't seeing much in the way of cloud cover could cool off a few
degrees with MAX obscurity (2-3pm).

Long term (Tuesday through Saturday)
Upper level ridge moves further west across most of the southeast
on Tuesday, and surface high follows suit and weakens. Continued
lower rain chances and above normal temperatures (highs in the mid
90s and heat index values in the triple digits) are expected
through Wednesday when the upper level ridge begins to break down.

Heights begin falling as a large upper level trough moves into the
northeast. Rain chances will be on the rise to end the workweek as
the base of the upper level trough settles in across georgia. A
weak front will accompany the upper level dynamics, and surface
troughing higher rain chances will linger into Friday.

Aviation
Low clouds and patchy fog have developed overnight across NE fl.

Expect periods of ifr lifr conditions til 13z when fog and clouds
will burn off. Have prob30 for thunderstorms this afternoon after
17z.

Marine
Surface ridge will be to the south today with a trough
to the north that will produce SW winds... Becoming onshore near
the coast this afternoon. The ridge will shift north on Sunday and
will be to the north next week providing a SE flow. No headlines
expected.

Rip currents: low risk today and Sunday.

Preliminary point temps pops
Amg 94 74 95 75 10 0 30 10
ssi 89 78 90 79 30 40 20 20
jax 92 76 92 77 40 40 20 20
sgj 90 75 89 77 40 20 20 30
gnv 92 73 93 74 40 20 40 10
ocf 92 74 92 75 40 20 30 10

Jax watches warnings advisories
Fl... None.

Ga... None.

Am... None.

Zibura elsenheimer


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SAXG1 - Sapelo Island Reserve, GA 20 mi62 min SW 7 78°F 1014 hPa (-1.0)76°F
FRDF1 - 8720030 - Fernandina Beach, FL 37 mi44 min S 4.1 G 7 78°F 85°F1015.8 hPa
41112 - Offshore Fernandina Beach, FL (132) 37 mi32 min 84°F1 ft
41008 - GRAYS REEF - 40 NM Southeast of Savannah, GA 38 mi72 min SW 9.7 G 12 81°F 85°F2 ft1014 hPa (-0.5)76°F

Wind History for Fernandina Beach, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Brunswick / Glynco, GA6 mi67 minSW 310.00 miFair75°F71°F89%1014.9 hPa
Brunswick, Malcolm McKinnon Airport, GA10 mi69 minWSW 810.00 miFair78°F75°F93%1014.5 hPa

Wind History from BQK (wind in knots)
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Last 24hrW4W5NW4NW5N3CalmSE4SE6SE6
G19
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1 day agoCalmW6W5W3W4CalmCalmSW3SE8S5SE5SW10SW3SW3W5CalmCalmSW3S3SW6CalmCalmW3W3
2 days agoW4W5W3W4SW6SW6W4W3NW6SW4NW4SE8S7SE5S7S4CalmCalmCalmSW4CalmW4CalmCalm

Tide / Current Tables for Crispen Island, Turtle River, Georgia
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Crispen Island
Click for Map
Sat -- 01:32 AM EDT     0.13 feet Low Tide
Sat -- 04:31 AM EDT     Moonrise
Sat -- 06:54 AM EDT     Sunrise
Sat -- 07:59 AM EDT     8.33 feet High Tide
Sat -- 01:45 PM EDT     -0.61 feet Low Tide
Sat -- 06:34 PM EDT     Moonset
Sat -- 08:04 PM EDT     Sunset
Sat -- 08:29 PM EDT     9.79 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.90.40.21.3356.77.98.37.76.24.11.8-0.1-0.60.32.24.778.89.79.68.46.5

Tide / Current Tables for Mackay River (Daymark 239), Georgia
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Mackay River (Daymark 239)
Click for Map
Sat -- 01:33 AM EDT     0.13 feet Low Tide
Sat -- 04:30 AM EDT     Moonrise
Sat -- 06:54 AM EDT     Sunrise
Sat -- 07:24 AM EDT     7.46 feet High Tide
Sat -- 01:46 PM EDT     -0.63 feet Low Tide
Sat -- 06:34 PM EDT     Moonset
Sat -- 07:54 PM EDT     8.77 feet High Tide
Sat -- 08:03 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.50.30.31.33.156.67.47.36.453.11.2-0.2-0.60.42.44.878.48.88.26.95.2

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 (7,2,3,4)
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Ground Weather Radar Station Jacksonville, FL
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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.