Monday, December9, 2019
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Marine Weather and Tides
Dock Junction, GA

Version 3.4
NOTICE
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
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 7:11AMSunset 5:25PM Monday December 9, 2019 8:58 PM EST (01:58 UTC) Moonrise 3:52PMMoonset 4:32AM Illumination 97% Phase: Waxing Gibbous; Moon at 13 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- 843 Pm Est Mon Dec 9 2019
Rest of tonight..South southwest winds 10 to 15 knots. Seas 2 to 4 feet. Dominant period 8 seconds. Inland waters a light chop.
Tuesday..South winds 10 to 15 knots. Seas 2 to 4 feet. Dominant period 8 seconds. Inland waters a light chop.
Tuesday night..South southwest winds 10 to 15 knots. Seas 2 to 4 feet. Dominant period 8 seconds. Inland waters a light chop. A chance of showers.
Wednesday..West northwest winds 10 to 15 knots becoming north northeast 15 to 20 knots in the afternoon. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 9 seconds. Inland waters a moderate chop. A chance of showers and a slight chance of Thunderstorms.
Wednesday night..North northeast winds 20 to 25 knots with gusts to around 35 knots. Seas 5 to 7 feet with occasional seas up to 9 feet building to 6 to 9 feet with occasional seas up to 11 feet after midnight. Dominant period 6 seconds. Inland waters rough. Showers likely.
Thursday..Northeast winds 20 to 25 knots with gusts to around 35 knots. Seas 6 to 9 feet with occasional seas up to 11 feet. Dominant period 8 seconds. Inland waters rough. Showers and a slight chance of Thunderstorms.
Thursday night..East northeast winds 15 to 20 knots. Seas 6 to 8 feet with occasional seas up to 10 feet. Showers likely and a slight chance of Thunderstorms.
Friday..East southeast winds 10 to 15 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Showers likely and a slight chance of Thunderstorms.
Friday night..South winds 10 to 15 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Showers likely and a slight chance of Thunderstorms.
Saturday..Southwest winds 10 to 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. A chance of showers.
AMZ400 Synopsis For Altamaha Sound Ga To Flagler Beach Fl Out To 60 Nm- 843 Pm Est Mon Dec 9 2019
Synopsis.. Surface high pressure will build across south florida through Tuesday. A cold front will push south of the waters late Wednesday. Elevated rain chances will continue Wednesday through Friday as an area of low pressure tracks east across the gulf of mexico. Another front will move south across the local waters Saturday.
Gulf stream.. The approximate location of the west wall of the gulf stream as of dec 10, 2019 at 1200 utc... 45 nautical miles east of flagler beach. 52 nautical miles east of saint augustine beach. 64 nautical miles east of jacksonville beach. 87 nautical miles east southeast of st simons island. This data courtesy of the naval oceanographic office.


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 092355 AFDJAX

Area Forecast Discussion National Weather Service Jacksonville FL 655 PM EST Mon Dec 9 2019

AVIATION. [Through 00Z Wednesday]

Prevailing VFR conditions early this evening under high cirrus, but will start to see lower clouds begin to edge inland from the WSW. High confidence of IFR to VLIFR restrictions tonight with low stratus and advective fog moving inland from the Gulf Coast region impacting GNV after 03Z and extending eastward toward VQQ/JAX through 09Z under light SSW winds. Low stratus is expected to advect toward coastal terminals through sunrise with restrictions of MVFR to IFR advertised at this time. Low clouds and fog will erode near the Atlantic coast first between 12-14Z Tue morning with slower erosion over inland areas between 12-15z. Prevailing VFR expected by 16Z with low cumulus in the afternoon under warm and breezy at times southerly flow. Expect a stronger west coast sea breeze in the afternoon with a weaker east coast sea breeze likely lingering just along the coast which may back winds more SSE at SSI and SGJ but may not make much inland progress toward CRG.

PREV DISCUSSION [320 PM EST].

NEAR TERM [Tonight through Tuesday]. Warm and dry conditions will continue. Scattered showers to the west in an area of moisture convergence should fade this evening as instability weakens. With sw flow increasing just above the surface, models indicate advection fog from the Gulf coast across se Ga/ne Fl late tonight. Expect areas of dense fog over inland areas after midnight . reaching east coast counties around sunrise. Fog will linger until mid-morning. Warm southwest winds will push temperatures into the lower 80s Tuesday afternoon with record highs possible.

Record Max Temps for December 10th . JAX 82/1961 . GNV 84/1972 . AMG 82/1972 . SSI 81/1997 . CRG 83/2012

SHORT TERM [Tuesday night through Thursday Night]. A cold front will slowly move se into se Ga Tuesday night reaching ne Fl Wednesday morning as an upper trough moves into the se. Showers will develop along and behind frontal boundary with isolated thunderstorms possible over ne Fl Wednesday afternoon. The front will be south of the area Wednesday night through Thursday night as strong high pressure builds in from the north. A tight pressure gradient will produce gusty ne winds especially at the coast. The chance for rain will continue with higher chances along the east coast due to a strong ne flow. Temperatures will be close to December averages.

LONG TERM [Friday Through Monday]. A stronger upper trough will approach from the lower Ms River Valley on Friday producing surface cyclogenesis over the north central Gulf. This will bring increasing rain chances with thunderstorms Friday and Friday night with the low moving ne across the Fl panhandle and south Ga. This system will lift ne of the area on Saturday with drier air advecting in through Monday. Temperatures will be at or above normal through the period.

MARINE. Southwest winds will continue through Tuesday with weak afternoon seabreezes near the coast. A cold front will push across the waters on Wednesday and then stall south of the waters before lifting back north at the end of the week. Small Craft Advisory conditions will likely develop Wednesday night through Thursday night as the pressure gradient tightens with strong high pressure building to the north. Occasional to frequent Gale force gusts are also expected. Scattered to numerous showers are expected with isolated thunderstorms possible Tuesday night through Friday night.

Rip Currents: Moderate risk of rip currents at northeast Florida and southeast Georgia beaches through Tuesday.

PRELIMINARY POINT TEMPS/POPS.

AMG 62 82 58 62 46 / 0 10 40 40 50 SSI 61 77 62 65 51 / 0 10 40 40 40 JAX 58 82 62 69 53 / 0 10 30 40 40 SGJ 59 80 64 72 58 / 0 10 30 40 50 GNV 58 82 65 72 56 / 0 10 30 50 30 OCF 57 84 64 76 57 / 0 10 20 40 30

JAX WATCHES/WARNINGS/ADVISORIES. FL . None. GA . None. AM . None.


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
41112 - Offshore Fernandina Beach, FL (132) 37 mi59 min 63°F3 ft
41008 - GRAYS REEF - 40 NM Southeast of Savannah, GA 38 mi69 min S 9.7 G 9.7 65°F 63°F3 ft1018.6 hPa (+2.5)64°F

Wind History for Fernandina Beach, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Brunswick / Glynco, GA6 mi64 minS 710.00 miPartly Cloudy66°F61°F87%1018.6 hPa
Brunswick, Malcolm McKinnon Airport, GA10 mi66 minS 610.00 miFair67°F61°F81%1018.8 hPa

Link to 5 minute data for KBQK

Wind History from BQK (wind in knots)
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Last 24hrNE8NE5E5NE7NE5NE7NE6E4NE3E3CalmCalmS4S11S12SW11S9SE7SE8S10S9S8S5S7
1 day agoNE5NE7NE8NE7NE9NE9NE9NE9NE9
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2 days agoE4CalmCalmN4CalmSW3CalmW3CalmE3CalmCalmNE6NE10E12NE13NE10E15NE12NE9N5NE7NE6NE7

Tide / Current Tables for Crispen Island, Turtle River, Georgia
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Crispen Island
Click for Map
Mon -- 12:24 AM EST     0.37 feet Low Tide
Mon -- 04:32 AM EST     Moonset
Mon -- 07:11 AM EST     8.32 feet High Tide
Mon -- 07:13 AM EST     Sunrise
Mon -- 12:59 PM EST     0.78 feet Low Tide
Mon -- 03:51 PM EST     Moonrise
Mon -- 05:23 PM EST     Sunset
Mon -- 07:36 PM EST     7.54 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.50.51.53.14.96.67.88.386.74.931.40.81.22.33.85.36.67.47.56.54.92.9

Tide / Current Tables for Mackay River (Daymark 239), Georgia
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


Weather Map
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wmap_A
GEOS 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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Jacksonville, FL (20,4,5,8)
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Ground Weather Radar Station Jacksonville, FL
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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.