Saturday, January18, 2020
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Marine Weather and Tides
Fleming Island, FL

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 7:21AMSunset 5:52PM Saturday January 18, 2020 9:41 AM EST (14:41 UTC) Moonrise 1:26AMMoonset 12:58PM Illumination 41% Phase: Third Quarter Moon; Moon at 23 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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AMZ452 Coastal Waters From Fernandina Beach To St. Augustine Fl Out 20 Nm- Coastal Waters From St. Augustine To Flagler Beach Fl Out 20 Nm- 833 Am Est Sat Jan 18 2020
.small craft advisory in effect until 4 pm est this afternoon...
Rest of today..South southeast winds 15 to 20 knots. Seas 6 to 8 feet with occasional seas up to 10 feet. Dominant period 8 seconds. Inland waters a moderate chop.
Tonight..South southwest winds 15 to 20 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant period 7 seconds. Inland waters choppy. A chance of showers.
Sunday..Southwest winds 10 to 15 knots becoming west in the afternoon. Seas 4 to 6 feet with occasional seas up to 8 feet subsiding to 3 to 4 feet in the afternoon. Dominant period 7 seconds. Inland waters a moderate chop. Showers likely and a slight chance of Thunderstorms.
Sunday night..North northwest winds 15 to 20 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant period 5 seconds. Inland waters choppy. A chance of showers.
Monday..North winds 15 to 20 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant period 6 seconds. Inland waters choppy.
Monday night..North winds 15 to 20 knots. Seas 3 to 5 feet with occasional seas up to 6 feet.
Tuesday..North winds 20 to 25 knots. Seas 5 to 7 feet with occasional seas up to 9 feet. A slight chance of showers.
Tuesday night and Wednesday..North northeast winds 20 to 25 knots. Seas 7 to 10 feet with occasional seas up to 13 feet. A chance of showers.
AMZ400 Synopsis For Altamaha Sound Ga To Flagler Beach Fl Out To 60 Nm- 833 Am Est Sat Jan 18 2020
Synopsis.. Strong high pressure to our north will move to our northeast and weaken through this evening. Winds over the area waters will relax and then veer from the southeast and then southerly into the afternoon. A low pressure system over the western great lakes will drag a cold front towards the southeast states tonight and will approach the area waters on Sunday bringing likely chances of rain during the day. The cold front will move south of the area waters Monday with elevated northerly winds as strong high pressure well to the northwest moves slowly eastward. This high pressure will be to our northwest on Tuesday and then to our north on Wednesday keeping northeasterly winds and seas elevated through the middle of the week.
Gulf stream.. The approximate location of the west wall of the gulf stream as of jan 16, 2020 at 1200 utc... 62 nautical miles east of flagler beach. 68 nautical miles east of saint augustine beach. 75 nautical miles east of jacksonville beach. 91 nautical miles east southeast of st simons island. This data courtesy of the naval oceanographic office.


7 Day Forecast for Marine Location Near Fleming Island, FL
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location: 30.13, -81.69     debug


Area Discussion for - Jacksonville, FL
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FXUS62 KJAX 181331 AFDJAX

Area Forecast Discussion National Weather Service Jacksonville FL 831 AM EST Sat Jan 18 2020

UPDATE.

No significant changes planned in update. Mix of sun and high clouds expected Today. Late in the day a shortwave will approach from the west . could bring a few showers to our westernmost counties in SE GA. Adjusted high temp forecast by just a degree or so higher given latest consensus guidance.

AVIATION. [Through 12Z Sunday]

VFR conditions are expected through the end of the period. Winds from the northeast and east will veer to the southeast by 14Z with the highest winds at SGJ with 10-12 knots and gusts to 15-18 knots. Winds will subside by 00Z and veer to southerly across all area terminals to generally 5-10 knots. Have VCSH after 06/07Z at all terminal sites except for SGJ as showers move into the area ahead of an approaching cold front on Sunday morning.

MARINE.

Strong high pressure to our north will move east off the Mid Atlantic coast to our northeast and weaken through Saturday evening. Winds over the area waters will relax and then veer to the southeast and then from the south into Saturday afternoon. Meanwhile, A low pressure system developing over the western Great Lakes region will bring a cold front into the southeast states Saturday evening. It will approach the area waters on Sunday and bring likely chances of rain during the day. The cold front will move south of the area waters on Monday with elevated northerly winds as strong high pressure over the upper plains moves towards the area waters from the northwest. This high pressure will move to our northwest on Tuesday and then to our north on Wednesday keeping northeasterly winds and seas elevated through the middle of the week.

Rip Currents: High Risk of rip currents today for NE FL beaches with a Moderate risk of rip currents for SE GA beaches.

PRELIMINARY POINT TEMPS/POPS.

AMG 71 58 65 32 51 / 10 50 40 0 0 SSI 69 60 68 39 51 / 10 50 50 0 0 JAX 74 60 72 37 56 / 10 40 50 10 0 SGJ 73 61 72 42 57 / 0 40 60 20 0 GNV 76 59 71 38 56 / 0 60 60 10 0 OCF 77 59 74 41 58 / 0 50 60 20 0

JAX WATCHES/WARNINGS/ADVISORIES. FL . High Rip Current Risk until 4 PM EST this afternoon for Coastal Duval-Coastal Flagler-Coastal Nassau-Coastal St. Johns.

GA . None. AM . Small Craft Advisory until 9 AM EST Sunday for Waters from Altamaha Sound GA to Fernandina Beach FL from 20 to 60 NM- Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM-Waters from St. Augustine to Flagler Beach FL from 20 to 60 NM.

Small Craft Advisory until 4 PM EST this afternoon for Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM- Coastal waters from St. Augustine to Flagler Beach FL out 20 NM.


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
NFDF1 19 mi59 min Calm G 0 60°F
DMSF1 19 mi53 min 64°F
BLIF1 20 mi59 min SE 2.9 G 4.1 65°F 1029.9 hPa61°F
LTJF1 22 mi59 min 66°F 57°F
MYPF1 - 8720218 - Mayport (Bar Pilots Dock), FL 23 mi59 min SE 7 G 11 66°F 63°F1029.4 hPa
SAUF1 - St. Augustine, FL 29 mi41 min ESE 12 G 13 67°F 65°F1028.9 hPa (+0.5)
41117 34 mi41 min 64°F7 ft
FRDF1 - 8720030 - Fernandina Beach, FL 40 mi59 min SE 5.1 G 8.9
GTXF1 - Guana Tolomato Matanzas Reserve, FL 41 mi116 min ESE 6 66°F 1030 hPa55°F
41112 - Offshore Fernandina Beach, FL (132) 45 mi41 min 62°F5 ft

Wind History for I-295 Bridge, St Johns River, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Jacksonville Naval Air Station, FL7 mi48 minN 010.00 miMostly Cloudy61°F54°F78%1028.6 hPa
Cecil Airport, FL12 mi51 minN 06.00 miFog/Mist57°F53°F88%1029.1 hPa
Jacksonville Craig Municipal Airport, FL16 mi48 minSE 410.00 miMostly Cloudy65°F55°F73%1029 hPa
Northeast Florida Regional Airport, FL22 mi45 minESE 1010.00 miPartly Cloudy67°F57°F73%1029.1 hPa
Mayport Naval Station - Adm David L. McDonald Field, FL23 mi49 minSE 710.00 miOvercast66°F55°F70%1028.9 hPa

Link to 5 minute data for KNIP

Wind History from NIP (wind in knots)
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NE16NE12NE9NE5E13E10E6E6E5E3CalmCalmW3Calm
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Tide / Current Tables for Orange Park, St. Johns River, Florida
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Orange Park
Click for Map
Sat -- 12:23 AM EST     -0.40 feet Low Tide
Sat -- 01:26 AM EST     Moonrise
Sat -- 06:11 AM EST     0.44 feet High Tide
Sat -- 07:23 AM EST     Sunrise
Sat -- 12:57 PM EST     Moonset
Sat -- 01:06 PM EST     -0.33 feet Low Tide
Sat -- 05:51 PM EST     Sunset
Sat -- 06:26 PM EST     0.32 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.4-0.4-0.200.20.40.40.40.30-0.1-0.2-0.3-0.3-0.3-0.10.10.30.30.30.20-0.2-0.3

Tide / Current Tables for Piney Point, St. Johns River, Florida (3)
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Piney Point
Click for Map
Sat -- 01:26 AM EST     Moonrise
Sat -- 05:29 AM EST     0.91 feet High Tide
Sat -- 07:23 AM EST     Sunrise
Sat -- 12:28 PM EST     0.06 feet Low Tide
Sat -- 12:57 PM EST     Moonset
Sat -- 05:50 PM EST     Sunset
Sat -- 05:53 PM EST     0.81 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.2-00.20.50.80.90.90.80.70.50.30.10.10.10.20.40.60.80.80.70.60.40.2-0

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 (9,2,3,4)
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Ground Weather Radar Station Jacksonville, FL
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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.