Thursday, April2, 2020
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Marine Weather and Tides
Jacksonville Beach, 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 7:11AMSunset 7:46PM Thursday April 2, 2020 3:22 PM EDT (19:22 UTC) Moonrise 12:53PMMoonset 2:22AM Illumination 73% Phase: Waxing Gibbous; Moon at 10 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 Expires:202004030200;;465806 Fzus52 Kjax 021755 Cwfjax Coastal Waters Forecast For Northeast Florida/southeast Georgia National Weather Service Jacksonville Fl 155 Pm Edt Thu Apr 2 2020 Atlantic Coastal Waters From Altamaha Sound Ga To Flagler Beach Fl Out To 60 Nm. Seas Are Provided As A Range Of The Average Height Of The Highest 1/3 Of The Waves, Along With The Occasional Height Of The Average Highest 1/10 Of The Waves. Amz450-452-454-030200- 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- 155 Pm Edt Thu Apr 2 2020
Tonight..East northeast winds 5 to 10 knots becoming north after midnight. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 11 seconds. Inland waters a light chop.
Friday..North winds 5 to 10 knots becoming east northeast in the afternoon. Seas 2 to 3 feet. Dominant period 11 seconds. Inland waters a light chop.
Friday night..South winds around 5 knots becoming west after midnight. Seas 2 to 3 feet. Dominant period 10 seconds increasing to 15 seconds after midnight. Inland waters smooth.
Saturday..North winds 5 to 10 knots becoming east northeast in the afternoon. Seas 2 to 3 feet. Dominant period 15 seconds. Inland waters a light chop.
Saturday night and Sunday..East southeast winds 5 to 10 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 14 seconds. Inland waters mostly smooth. A slight chance of showers.
Sunday night and Monday..Southeast winds 5 to 10 knots. Seas 3 to 5 feet with occasional seas up to 6 feet.
Monday night..South winds 10 to 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet.
Tuesday..South winds 5 to 10 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. A slight chance of showers and Thunderstorms.
AMZ400 Synopsis For Altamaha Sound Ga To Flagler Beach Fl Out To 60 Nm- 155 Pm Edt Thu Apr 2 2020
Synopsis.. A deep low pressure system in the western atlantic will eventually swing off to the east early next week. Strong winds from this system will remain far from our local coastal waters, but swells from the system will lead to elevated seas this weekend. Exercise caution conditions with 4 yo 6 foot waves are anticipated to continue through Friday. Otherwise, local high pressure will dominate keeping winds light outside of our diurnal seabreeze circulation.
Gulf stream.. The approximate location of the west wall of the gulf stream as of apr 02, 2020 at 1200 utc... 62 nautical miles east of flagler beach. 72 nautical miles east of saint augustine beach. 83 nautical miles east of jacksonville beach. 97 nautical miles east southeast of st simons island. This data courtesy of the naval oceanographic office.


7 Day Forecast for Marine Location Near Jacksonville Beach, FL
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location: 30.29, -81.36     debug


Area Discussion for - Jacksonville, FL
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FXUS62 KJAX 021846 AFDJAX

Area Forecast Discussion National Weather Service Jacksonville FL 246 PM EDT Thu Apr 2 2020

NEAR TERM [Through Tonight].

High pressure continues to dominate the region, resulting in dry weather and mostly clear skies for most of the forecast area which will continue through the afternoon, evening, and on into tomorrow morning. Overnight low temperatures will drop into the upper 40s for inland areas, with warmer temperatures occurring further to the south and in the lower 50s for coastal areas and along the St Johns River. No fog significant fog developments are expected.

SHORT TERM [Friday Through Saturday].

An upper level ridge of high pressure will build over southeast Georgia and northeast Florida through Saturday night, with a series of shortwaves propagating through it. Increasing cloud coverage is expected Saturday into Saturday night as those short waves roll through the upper level ridge. At the lower levels, surface ridging will be centered to our north, sliding eastward through the period, while a deep low pressure system spins over the western Atlantic. This will render dry conditions and warming temperatures for the next few days. Highs will peak in the upper 70s to low 80s Friday, low 80s to upper 80s on Saturday. Overnight lows will be in the 50s both nights.

LONG TERM [Sunday Through Thursday].

A shortwave will move across the north central Florida Sunday morning, and a few showers are possible across north central Florida. Ridging aloft will continue to build over the Yucatan peninsula and will extend across the Florida peninsula through midweek before flattening late this week as a potent shortwave trough dives southeastward from the Great Lakes region, sending a series of cold fronts into the Southeast. Highs will warm well into the 80s Monday and Tuesday and will likely reach the lower 90s by the middle of the week. Otherwise, shortwave energy migrating through the southeastern states on the northern periphery of the deep layered ridge may develop isolated to widely scattered diurnal convection beginning on Tuesday, especially across southeast Georgia. Lows will warm through the 60s next week, and around 70 by Thursday morning.

AVIATION. [Through 18Z Friday]

VFR conditions for the rest of today and into tomorrow, with light cumulus clouds forming near coastal locations. Winds will shift about to out of the E for along and east of the St Johns as the sea breeze pushes inland, with winds becoming light and variable later in the evening.

MARINE.

A deep low pressure system in the western Atlantic will eventually swing off to the east early next week. Strong winds from this system will remain far from our local coastal waters, but swells from the system will lead to elevated seas this weekend. Exercise caution conditions with 4 yo 6 foot waves are anticipated to continue through Friday. Otherwise, local high pressure will dominate keeping winds light outside of our diurnal seabreeze circulation.

FIRE WEATHER.

Critically low RH values are expected across the interior Friday and Saturday, but winds will remain light. East northeast winds will increase to 10-15 mph at the coastal areas each afternoon as the east coast sea breeze moves inland.

PRELIMINARY POINT TEMPS/POPS.

AMG 47 77 53 81 57 / 0 0 0 0 10 SSI 54 74 58 74 62 / 0 0 0 0 10 JAX 52 80 56 82 61 / 0 0 0 0 20 SGJ 54 76 57 79 62 / 0 0 0 0 10 GNV 49 82 54 85 58 / 0 0 0 0 10 OCF 51 82 54 85 59 / 0 0 0 0 10

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
LTJF1 8 mi281 min 63°F 50°F
MYPF1 - 8720218 - Mayport (Bar Pilots Dock), FL 8 mi275 min W 2.9 G 5.1 63°F 67°F1018.1 hPa
BLIF1 11 mi281 min NW 5.1 G 8 65°F 1018.6 hPa51°F
DMSF1 12 mi275 min 70°F
NFDF1 16 mi275 min SSW 1.9 G 4.1 65°F
41117 25 mi293 min 69°F5 ft
FRDF1 - 8720030 - Fernandina Beach, FL 27 mi275 min NW 2.9 G 5.1 67°F 70°F1018.1 hPa
41112 - Offshore Fernandina Beach, FL (132) 29 mi263 min 67°F3 ft
SAUF1 - St. Augustine, FL 30 mi263 min N 8 G 8.9 64°F 67°F1018 hPa (+1.3)
GTXF1 - Guana Tolomato Matanzas Reserve, FL 44 mi338 min WNW 1.9 64°F 1019 hPa52°F

Wind History for I-295 Bridge, St Johns River, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Mayport Naval Station - Adm David L. McDonald Field, FL8 mi31 minENE 1010.00 miMostly Cloudy69°F48°F49%1015.6 hPa
Jacksonville Craig Municipal Airport, FL9 mi30 minVar 510.00 miFair73°F46°F38%1015.4 hPa
Jacksonville Naval Air Station, FL17 mi30 minSSE 810.00 miPartly Cloudy72°F46°F41%1015.2 hPa
Jacksonville International Airport, FL22 mi27 minno data10.00 miMostly Cloudy73°F46°F40%1015.2 hPa
Northeast Florida Regional Airport, FL22 mi27 minE 910.00 miFair69°F50°F51%1016.1 hPa
Fernandina Beach Municipal Airport, FL23 mi28 minENE 10 G 1510.00 miFair68°F50°F55%1015.9 hPa

Link to 5 minute data for KNRB

Wind History from NRB (wind in knots)
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Last 24hrE8E8NE8NE8E7E8NE9NE9NE8E6NE5E3W3CalmNW5NW4NW6NW7NW6W6NE5NE8NE11E10
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2 days agoE7E8SE8S7S7SE6S6SW7S7S6SW5W6W8SW5SW6SW5SW4SW6W7W8SW13
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Tide / Current Tables for Jacksonville Beach, Florida
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Jacksonville Beach
Click for Map
Thu -- 03:06 AM EDT     5.06 feet High Tide
Thu -- 03:22 AM EDT     Moonset
Thu -- 07:12 AM EDT     Sunrise
Thu -- 09:54 AM EDT     0.62 feet Low Tide
Thu -- 01:53 PM EDT     Moonrise
Thu -- 03:40 PM EDT     4.44 feet High Tide
Thu -- 07:45 PM EDT     Sunset
Thu -- 10:07 PM EDT     0.33 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.944.75.14.94.33.42.41.50.80.611.92.93.84.34.44.13.42.41.40.70.30.6

Tide / Current Tables for St. Johns River Entrance, Florida Current
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St. Johns River Entrance
Click for Map
Thu -- 02:31 AM EDT     2.20 knots Max Flood
Thu -- 03:22 AM EDT     Moonset
Thu -- 05:48 AM EDT     -0.00 knots Slack
Thu -- 07:12 AM EDT     Sunrise
Thu -- 08:27 AM EDT     -1.88 knots Max Ebb
Thu -- 12:37 PM EDT     0.00 knots Slack
Thu -- 01:53 PM EDT     Moonrise
Thu -- 02:58 PM EDT     1.46 knots Max Flood
Thu -- 05:54 PM EDT     -0.00 knots Slack
Thu -- 07:45 PM EDT     Sunset
Thu -- 08:49 PM EDT     -1.85 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.31.32.12.11.50.7-0.2-1.2-1.8-1.8-1.5-1.1-0.50.31.11.51.10.6-0.1-0.9-1.6-1.8-1.6-1.2

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 (15,3,4,5)
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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.