Saturday, July4, 2020
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Marine Weather and Tides
Nicholls, 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 6:33AMSunset 8:43PM Saturday July 4, 2020 1:40 AM EDT (05:40 UTC) Moonrise 7:31PMMoonset 4:48AM Illumination 98% 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- 846 Pm Edt Fri Jul 3 2020
Rest of tonight..East southeast winds 5 to 10 knots becoming north northeast toward early morning hours. Seas 1 to 2 feet. Dominant period 3 seconds increasing to 9 seconds after midnight. Inland waters mostly smooth. A chance of showers and a slight chance of Thunderstorms.
Saturday..Northeast winds 5 to 10 knots becoming east in the afternoon. Seas 2 feet. Dominant period 9 seconds. Inland waters a light chop. A chance of showers.
Saturday night..South southeast winds 5 to 10 knots becoming south southwest after midnight. Seas 1 to 2 feet. Dominant period 8 seconds. Inland waters a light chop. A chance of showers and Thunderstorms.
Sunday..South southeast winds 5 to 10 knots. Seas 2 to 3 feet. Dominant period 9 seconds. Inland waters a light chop. Showers and a slight chance of Thunderstorms.
Sunday night..South southwest winds 5 to 10 knots. Seas 2 to 3 feet. Dominant period 9 seconds. Inland waters a light chop. Showers likely and a slight chance of Thunderstorms.
Monday..South winds 5 to 10 knots. Seas 2 to 3 feet. Dominant period 9 seconds. Inland waters a light chop. Showers and a slight chance of Thunderstorms.
Monday night..Southwest winds 5 to 10 knots. Seas 2 to 3 feet. A chance of showers and Thunderstorms.
Tuesday..South southwest winds 5 to 10 knots. Seas 2 feet. Showers likely and a chance of Thunderstorms.
Tuesday night..Southwest winds 5 to 10 knots. Seas 2 to 3 feet. A chance of showers and Thunderstorms.
Wednesday..Southwest winds 5 to 10 knots. Seas 1 to 2 feet. A chance of showers and Thunderstorms.
AMZ400 Synopsis For Altamaha Sound Ga To Flagler Beach Fl Out To 60 Nm- 846 Pm Edt Fri Jul 3 2020
Synopsis.. A trough of low pressure will linger across the waters this weekend and early next week with light winds and low seas. An unsettled weather pattern is expected with scattered to numerous showers and Thunderstorms each day through early next week.
Gulf stream.. The approximate location of the west wall of the gulf stream as of jul 02, 2020 at 1200 utc... 67 nautical miles east of flagler beach. 74 nautical miles east of saint augustine beach. 85 nautical miles east of jacksonville beach. 105 nautical miles east of st simons island. This data courtesy of the naval oceanographic office.


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 040108 AFDJAX

Area Forecast Discussion National Weather Service Jacksonville FL 908 PM EDT Fri Jul 3 2020

UPDATE.

Low to mid level trough will continue across the central portions of our area tonight oriented west-east, and remains near stationary or drifting south slightly. Bulk of the high moisture is along and south of this trough and left-over scattered showers and a few storms are affecting northeast FL this evening. Over the next few hours, activity over land should continue to diminish but expect isolated to scattered showers and potential storms to continue over the coastal waters mainly to the south of Fernandina Beach. Plentiful moisture remains south of the trough with PWAT about 2.1 inches, and some general low level convergence south of the trough, and so we can't completely rule out isolated weak convection over land after midnight, otherwise mostly dry. Min temps in the lower to mid 70s. Light patchy fog possible overnight as well.

MARINE.

A few minor changes to winds and to add some showers and potential isolated storms into the forecast tonight. Winds and seas should remain light into Saturday but higher in and near any thunderstorms.

HYDROLOGY.

Rainfall today dumped up to 2-3 inches in the north fork basin of Black Creek. This will result in elevated water levels into the weekend but current projections show it falling just short of action. This will continue to be monitored.

PREV DISCUSSION [753 PM EDT].

NEAR TERM [Tonight through Saturday]. Numerous showers and storms expected across mainly ne Fl this evening in vicinity of surface front and upper trough. Drier air aloft has moved into se Ga behind the trough axis so coverage will be less north of the Okefenokee Swamp. Interaction of front and seabreezes over ne Fl along with PWATS near 2 inches will produce locally heavy rainfall with the slow moving stronger cells. Expect convection to end by midnight as instability weakens. On Saturday the dry air aloft shifts a little further south with most of convection expected along and south of I-10 corridor across ne Fl where surface boundaries and deep moisture will linger.

SHORT TERM [Saturday night through Monday night]. Mid-level low will close off near the central Gulf coast along with weak surface low development. This area of low pressure will meander to the nnw Sunday and Monday. This will bring deep moisture and surface front back north across s Ga with numerous areas of showers and storms expected area wide. Locally heavy rainfall will continue to be the main threat.

LONG TERM [Tuesday Through Friday]. Broad upper trough with weak surface low over the central Gulf region will start to drift eastward. Models generally move this area of troughing to the ene towards the Carolinas by late week. Deep moisture will remain across the area with diurnal convection continuing. Rain chances and temperatures will be at or slightly above average.

AVIATION. [Through 00Z Sunday]

Areas to widespread rain and embedded thunderstorms are around the JAX Metro terminals which should slowly fade over the next few hours. Still some chance of a shower and storm for GNV and SGJ this evening. For now, have included MVFR in the showers and storms for this evening, with IFR still possible if the current line of showers and storms pushes further west into JAX or south toward CRG. Could be some low stratus clouds overnight but low confidence on this. Scattered to numerous showers and storms possible Saturday with best chances over northeast FL. Generally light and variable winds rest of tonight, then becomes easterly near 5-10 kt on Saturday.

MARINE. Surface front across the Florida waters will stall this weekend and lift back to the north Monday as low pressure develops to the west. Winds and seas will remain low into early next week. Scattered to numerous showers and storms expected into early next week.

Rip Currents: Moderate risk through the weekend.

PRELIMINARY POINT TEMPS/POPS.

AMG 72 93 72 90 72 / 20 0 40 80 50 SSI 77 87 76 87 76 / 0 0 50 80 60 JAX 74 90 74 90 74 / 50 20 50 90 40 SGJ 73 88 74 88 74 / 70 30 50 90 40 GNV 72 89 72 88 73 / 40 50 60 90 40 OCF 73 89 73 89 73 / 60 50 60 90 50

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 75 mi41 min Calm 77°F 1014 hPa (+1.0)76°F
FRDF1 - 8720030 - Fernandina Beach, FL 89 mi53 min Calm G 2.9 81°F 83°F1013.6 hPa
41008 - GRAYS REEF - 40 NM Southeast of Savannah, GA 98 mi51 min ESE 5.8 G 5.8 82°F 83°F1 ft1013.5 hPa (+1.0)76°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 mi66 minN 010.00 miPartly Cloudy74°F73°F96%1014.9 hPa
Alma, Bacon County Airport, GA11 mi48 minN 08.00 miFair73°F71°F94%1013.9 hPa

Link to 5 minute data for KDQH

Wind History from DQH (wind in knots)
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Last 24hrCalmCalmCalmCalmCalmCalmN3NE3NE4SE4E6NE7E8E7E6SE7S4S4S4SW4CalmCalmCalmCalm
1 day agoSW4SW5SW4SW3SW3W5W6W6NW7NW4W7W9NW5SW4W8W11E5CalmCalmCalmCalmCalmCalmNE3
2 days agoW3CalmCalmSW3CalmCalmCalmW5W5W5W6W6NW9NW14
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Tide / Current Tables for Burnt Fort, Satilla River, Georgia
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Burnt Fort
Click for Map
Sat -- 12:30 AM EDT     4.20 feet High Tide
Sat -- 05:46 AM EDT     Moonset
Sat -- 06:29 AM EDT     Sunrise
Sat -- 07:42 AM EDT     0.14 feet Low Tide
Sat -- 12:41 PM EDT     3.45 feet High Tide
Sat -- 07:40 PM EDT     -0.00 feet Low Tide
Sat -- 08:25 PM EDT     Moonrise
Sat -- 08:34 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.14.23.83.22.41.50.70.20.20.81.72.73.33.43.22.721.20.50.100.71.72.8

Tide / Current Tables for Below Spring Bluff, Little Satilla River, Georgia
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Below Spring Bluff
Click for Map
Sat -- 04:08 AM EDT     0.33 feet Low Tide
Sat -- 05:44 AM EDT     Moonset
Sat -- 06:27 AM EDT     Sunrise
Sat -- 09:55 AM EDT     8.01 feet High Tide
Sat -- 04:06 PM EDT     -0.00 feet Low Tide
Sat -- 08:25 PM EDT     Moonrise
Sat -- 08:34 PM EDT     Sunset
Sat -- 10:36 PM EDT     9.75 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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7.45.231.10.30.82.44.46.37.687.56.14.32.30.700.62.34.46.78.49.59.7

Weather Map
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wmap_A
GEOS Local Image of    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 (1,6,7,8)
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Ground Weather Radar Station Moody AFB, GA
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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 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.