Monday, August10, 2020
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Marine Weather and Tides
Country Club Estates, GA

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
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.

Sunrise 6:47AMSunset 8:14PM Monday August 10, 2020 8:17 PM EDT (00:17 UTC) Moonrise 11:23PMMoonset 11:58AM Illumination 55% Phase: Third Quarter Moon; Moon at 22 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- 301 Pm Edt Mon Aug 10 2020
Tonight..Southwest winds 10 knots becoming 5 to 10 knots towards daybreak. Seas 1 to 2 feet with a dominant period 4 seconds. Mostly smooth on the intracoastal waters. Chance of showers and Thunderstorms in the evening.
Tuesday..Southwest winds 5 to 10 knots becoming south 10 to 15 knots in the afternoon. Seas 2 to 3 feet with a dominant period 3 seconds. A moderate chop on the intracoastal waters. Chance of showers and Thunderstorms in the afternoon.
Tuesday night..Southwest winds 5 to 10 knots. Seas 1 to 2 feet with a dominant period 4 seconds. Mostly smooth on the intracoastal waters. Chance of Thunderstorms in the evening. Chance of showers. Slight chance of Thunderstorms after midnight.
Wednesday..South winds 5 to 10 knots. Seas 1 to 2 feet. A light chop on the intracoastal waters. Chance of showers and slight chance of Thunderstorms in the morning, then showers likely and chance of Thunderstorms in the afternoon.
Wednesday night..South winds 5 to 10 knots. Seas 1 to 2 feet. Mostly smooth on the intracoastal waters. Showers likely in the evening. Slight chance of Thunderstorms. Chance of showers after midnight.
Thursday..South winds 5 to 10 knots. Seas 1 to 2 feet. A light chop on the intracoastal waters. Showers likely and slight chance of Thunderstorms.
Thursday night..South winds 5 to 10 knots. Seas 2 to 3 feet. Chance of showers and Thunderstorms.
Friday..Southeast winds 5 to 10 knots. Seas 1 to 2 feet. Chance of showers and Thunderstorms.
Friday night..South winds 5 to 10 knots. Seas 2 to 3 feet. Slight chance of showers and Thunderstorms.
Saturday..South winds 5 to 10 knots becoming southeast in the afternoon. Seas 1 to 2 feet. Chance of showers and Thunderstorms.
AMZ400 Synopsis For Altamaha Sound Ga To Flagler Beach Fl Out To 60 Nm- 301 Pm Edt Mon Aug 10 2020
Synopsis.. The region will be between high pressure toward the east, and a trough to the northwest into the weekend.
Gulf stream.. The approximate location of the west wall of the gulf stream as of aug 06, 2020 at 1200 utc... 65 nautical miles east of flagler beach. 72 nautical miles east of saint augustine beach. 82 nautical miles east of jacksonville beach. 98 nautical miles east southeast of st simons island. This data courtesy of the naval oceanographic office.


7 Day Forecast for Marine Location Near Country Club Estates, GA
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location: 31.23, -81.4     debug


Area Discussion for - Jacksonville, FL
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FXUS62 KJAX 102318 AFDJAX

Area Forecast Discussion National Weather Service Jacksonville FL 718 PM EDT Mon Aug 10 2020

AVIATION. [Through 00Z Wednesday]

Tempo IFR conds in storms still likely in the JAX metro area impacting CRG/VQQ/SGJ with gusty winds to 30-35 knots through 01-02z then conds should improve with just VCSH and VFR convective debris clouds the remainder of the night. Another active afternoon expected on Tuesday and for now have included a six hour PROB30 group from 17-23z for all TAF sites with at least MVFR conds and gusty winds. These will likely be refined to 4 hour TEMPO groups with potential IFR conds as timing becomes clear for Tuesday.

PREV DISCUSSION [226 PM EDT].

Near Term. /through Tuesday/ .

Region will be in the base of a 500mb trough this period, with the flow at that level from the northwest. A series of upper short waves will move southeast through this flow and across the region helping to provide additional instability and lift for daytime convection. At the surface the region will be between high pressure to the east southeast and a trough of low pressure just to the northwest. The resultant flow at the surface will be from the west southwest, but is light enough to allow the east coast sea breeze to push well inland this afternoon and again Tuesday afternoon.

Convection will develop this afternoon and again Tuesday afternoon in response to diurnal heating. The upper short wave energy and sea breeze interactions will help to increase afternoon coverage. Early in the afternoon most convection will develop west of I95. Convection which develops inland to the west of the sea breeze, should drift back toward the coast in the late afternoon and evening hours though due to the flow aloft from the northwest. With loss of diurnal heating, convection will decrease in coverage later this evening, with dry weather anticipated overnight.

Temperatures will continue to trend above normal this period.

Short Term. /Tuesday night through Friday/ .

The region will be between surface high pressure to the east and a trough to the northwest this period.

Weak high pressure aloft will be in place into Thursday, which will result in light and somewhat variable flow. 500mb short wave energy will also be present Wednesday into Thursday. The light flow aloft would indicate slow moving storms this period. For Wednesday and Thursday afternoons, surface flow will start out from the southwest but be on the light side, allowing the east coast sea breeze to push well inland. The expected slow movement will increase the potential for locally heavy rains. Convective coverage will decrease during the evening hours Tuesday through Thursday, with the overnights trending toward dry.

On Friday, the upper high at 500mb will move toward the east, with an upper trough to the northwest. This will lead to a southwest flow at that level, which should help move storms that develop Friday afternoon toward the east northeast. Therefore, convective chances greatest across inland counties through around mid afternoon, then activity should drift back toward the coast.

Temperatures will trend near normal this period.

Long Term. /Friday night through Monday/ .

High pressure will extend across the region from the east Friday night through Saturday. Mainly diurnally driven convection expected Saturday afternoon, but subsidence from ridging may limit coverage.

The region will be between high pressure to the east and a trough of low pressure to the northwest Sunday and Monday. An upper trough will be over region Sunday into Monday as well, helping to enhance convective chances.

Temperatures will trend near to a little above normal this period.

Marine.

The region will be between high pressure toward the east, and a trough to the northwest into the weekend. Rip Currents: SE GA: Low risk through Tuesday NE FL: Low risk through Tuesday

PRELIMINARY POINT TEMPS/POPS.

AMG 73 92 73 89 73 / 20 70 40 90 50 SSI 76 89 77 88 77 / 60 70 60 80 60 JAX 74 92 75 90 75 / 60 70 60 80 50 SGJ 75 91 75 89 75 / 60 70 60 80 40 GNV 74 92 74 90 73 / 20 70 40 80 30 OCF 74 92 74 90 74 / 20 60 30 80 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
SAXG1 - Sapelo Island Reserve, GA 14 mi78 min SSW 5.1 75°F 1016 hPa (+0.0)74°F
41008 - GRAYS REEF - 40 NM Southeast of Savannah, GA 31 mi28 min W 12 G 14 83°F 86°F1 ft1016 hPa (-0.0)73°F
41112 - Offshore Fernandina Beach, FL (132) 36 mi48 min 85°F 85°F2 ft
FRDF1 - 8720030 - Fernandina Beach, FL 39 mi48 min SE 5.1 G 8.9 90°F 1015.7 hPa

Wind History for Fernandina Beach, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Brunswick / Glynco, GA4 mi23 minN 010.00 miFair74°F72°F95%1016.3 hPa
Brunswick, Malcolm McKinnon Airport, GA6 mi25 minN 010.00 miA Few Clouds76°F75°F100%1016.2 hPa

Link to 5 minute data for KBQK

Wind History from BQK (wind in knots)
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Last 24hrSW5SW4SW10W7SW9W7W3E3CalmCalmSW3SW4SW6SW7W6SW5CalmCalmS3CalmSE12
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1 day agoS3S8SW10W4W3SE4CalmCalmCalmCalmCalmCalmCalmSW3W6SW4SW6SW7SW3SE7SE9SE12SE8NE15
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2 days agoNW4S7SW4N3CalmSW4SW5CalmSW3W4SW3W3W5SW5SW5W6NW3NW3S6SW5S8SE8SE8S7

Tide / Current Tables for Frederica River, Georgia
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Frederica River
Click for Map
Mon -- 02:02 AM EDT     6.62 feet High Tide
Mon -- 06:48 AM EDT     Sunrise
Mon -- 08:13 AM EDT     0.87 feet Low Tide
Mon -- 12:58 PM EDT     Moonset
Mon -- 02:26 PM EDT     6.88 feet High Tide
Mon -- 08:12 PM EDT     Sunset
Mon -- 08:36 PM EDT     1.64 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.56.36.66.35.442.61.50.91.12.23.656.26.86.86.14.93.62.51.81.72.33.4

Tide / Current Tables for Jones Creek entrance, Hampton River, Georgia
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Jones Creek entrance
Click for Map
Mon -- 02:17 AM EDT     6.62 feet High Tide
Mon -- 06:48 AM EDT     Sunrise
Mon -- 07:30 AM EDT     0.87 feet Low Tide
Mon -- 12:58 PM EDT     Moonset
Mon -- 02:41 PM EDT     6.88 feet High Tide
Mon -- 07:53 PM EDT     1.64 feet Low Tide
Mon -- 08:12 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.56.26.66.45.33.72.1111.62.745.26.16.76.86.14.73.121.622.73.7

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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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 numerous 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.