Sunday, August9, 2020
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Marine Weather and Tides
Orange Park, 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 6:49AMSunset 8:14PM Sunday August 9, 2020 5:27 AM EDT (09:27 UTC) Moonrise 10:55PMMoonset 11:06AM Illumination 71% Phase: Waning Gibbous; Moon at 20 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:202008092130;;160523 Fzus52 Kjax 090703 Cwfjax Coastal Waters Forecast For Northeast Florida/southeast Georgia National Weather Service Jacksonville Fl 303 Am Edt Sun Aug 9 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. Amz450-452-454-092130- 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- 303 Am Edt Sun Aug 9 2020
Today..Southwest winds 5 to 10 knots becoming southeast in the afternoon. Seas 2 to 3 feet with a dominant period 3 seconds. A light chop on the intracoastal waters. Slight chance of showers and Thunderstorms in the afternoon.
Tonight..South winds 10 to 15 knots becoming southwest 5 to 10 knots after midnight. Seas 2 to 3 feet with a dominant period 4 seconds. A light chop on the intracoastal waters. Chance of showers in the evening. Slight chance of Thunderstorms. Slight chance of showers after midnight.
Monday..Southwest winds 5 to 10 knots becoming southeast in the afternoon. Seas 1 to 2 feet with a dominant period 7 seconds. A light chop on the intracoastal waters. Slight chance of showers in the morning. Slight chance of Thunderstorms. Chance of showers in the afternoon.
Monday night..Southwest winds 5 to 10 knots. Seas 1 to 2 feet. Mostly smooth on the intracoastal waters. Chance of showers and slight chance of Thunderstorms.
Tuesday..Southwest winds 5 to 10 knots becoming south in the afternoon. Seas 1 to 2 feet. A light chop on the intracoastal waters. Slight chance of Thunderstorms in the morning. Chance of showers. Chance of Thunderstorms in the afternoon.
Tuesday night..Southwest winds 5 to 10 knots. Seas 1 to 2 feet. Chance of showers and slight chance of Thunderstorms.
Wednesday..South winds 5 to 10 knots. Seas 1 to 2 feet. Chance of showers and Thunderstorms.
Wednesday night..South winds 5 to 10 knots. Seas 2 to 3 feet. Chance of showers and Thunderstorms.
Thursday..South winds 5 to 10 knots. Seas 1 to 2 feet. Chance of showers and Thunderstorms.
AMZ400 Synopsis For Altamaha Sound Ga To Flagler Beach Fl Out To 60 Nm- 303 Am Edt Sun Aug 9 2020
Synopsis.. High pressure will extend across the coastal waters through mid- week, before shifting northward. This pattern will continue generally southwesterly flow during the night and morning hours, then winds switch to southeast in the afternoon and evening with the east coast sea breeze. Prevailing winds transition to south to southeast Thursday into the weekend as high pressure builds north. Daily showers and Thunderstorms are expected over the waters.
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 Orange Park, FL
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location: 30.24, -81.68     debug


Area Discussion for - Jacksonville, FL
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FXUS62 KJAX 090655 AFDJAX

Area Forecast Discussion National Weather Service Jacksonville FL 255 AM EDT Sun Aug 9 2020

NEAR TERM [Through Tonight]. Broad surface ridge of high pressure will be across the forecast area through Tonight . resulting in light south to southwest winds in the morning, with sea breezes moving well inland and colliding along Hwy 301 corridor late in the day. Expecting scattered showers/t-storms to develop during the afternoon along these boundaries . with maximum coverage along Hwy 301 corridor by late afternoon. Slightly above normal temperatures are expected, with high temperatures Today in the mid 90s inland . around 90 immediate coast . and low temperatures Tonight in the lower-mid 70s.

SHORT TERM [Monday through Tuesday Night].

Deep layer ridging will be in place early in the work week, with a series of mid-upper level short waves rolling over the top of the ridge. Moderate instability (SBCAPE 1500-2000 J/kg) and rich moisture (PW values around 1.8-2") remain on tap, so expecting high coverage of sea breeze thunderstorms both days. Main hazards with these afternoon thunderstorms will continue to be lightning, heavy rain, and isolated downbursts of damaging wind gusts. Temperatures will continue to peak in the low-mid 90s in the afternoon and dip into the low-mid 70s at night.

LONG TERM [Wednesday through Sunday].

Models show the upper level ridge building northward over GA on Wednesday while southwest flow continues at the low-mid levels across the local area. This stagnant pattern will mean more of the same- hot, humid conditions with numerous afternoon showers and thunderstorms over SE GA and NE FL. PW values will hover around 2" through the end of the work week, and even ticking up to 2-2.25" on Saturday, so heavy rainfall will remain possible with these storms, along with lightning and isolated downbursts of damaging wind gusts. Highs will be in the low 90s with lows in the low-mid 70s.

AVIATION. [Through 06Z Monday]

VFR conditions expected next 24 hours. Expect another round of scattered SHRA/TSRA to develop during the mid-late afternoon hours with sea breezes. Slightly better chance just inland from coast . and have continued a PROB30 for those TAF sites during the 20z-00z period. Could see strong gusty winds with strongest storms that develop. Sea breeze expected to move inland from coast 16z-18z, and get across JAX area TAF sites 18z-20z . shifting light southwest winds to southeast.

MARINE.

High pressure will extend across the Florida peninsula through mid-week, before shifting northward. This pattern will continue generally southwesterly flow during the night and morning hours, then winds switch to south to southeast in the afternoon and evening with the east coast sea breeze. Prevailing winds transition to south to southeast Thursday into the weekend as high pressure builds north. Daily showers and thunderstorms are expected over the waters.

Rip Currents: Moderate Risk for northeast FL beaches, Low Risk for southeast GA beaches Today.

FIRE WEATHER.

A muggy pattern will be in place with daily chances for afternoon thunderstorms that could bring gusty winds at times. Outside of thunderstorms, however, light winds will prevail under a persistent ridge of high pressure, which could lead to light transport winds and low daytime dispersion values.

PRELIMINARY POINT TEMPS/POPS.

AMG 94 73 93 74 92 / 60 30 70 30 70 SSI 90 77 91 77 90 / 40 30 60 40 60 JAX 94 74 94 75 93 / 60 30 70 30 70 SGJ 92 75 92 75 92 / 40 30 60 30 70 GNV 94 73 94 74 92 / 50 20 60 20 80 OCF 94 73 94 74 93 / 50 10 60 20 70

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
NFDF1 11 mi57 min W 1.9 G 1.9 74°F 74°F
DMSF1 12 mi57 min 87°F
BLIF1 13 mi57 min WNW 2.9 G 2.9 80°F 1021.6 hPa80°F
LTJF1 16 mi57 min 81°F 77°F
MYPF1 - 8720218 - Mayport (Bar Pilots Dock), FL 17 mi57 min NNW 1.9 G 2.9 80°F 85°F1021 hPa
FRDF1 - 8720030 - Fernandina Beach, FL 32 mi57 min S 1 G 2.9 83°F 86°F1020.5 hPa
SAUF1 - St. Augustine, FL 34 mi87 min SW 5.1 G 6 79°F 85°F1020.7 hPa (-0.9)77°F
41117 36 mi61 min 84°F2 ft
41112 - Offshore Fernandina Beach, FL (132) 38 mi57 min 82°F 85°F
GTXF1 - Guana Tolomato Matanzas Reserve, FL 47 mi102 min Calm 77°F 1022 hPa76°F

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, FL0 mi34 minNW 310.00 miA Few Clouds79°F73°F82%1020.2 hPa
Jacksonville Craig Municipal Airport, FL11 mi34 minN 010.00 miFair76°F73°F94%1020.4 hPa
Cecil Airport, FL11 mi32 minN 010.00 miFair73°F69°F89%1020.7 hPa
Mayport Naval Station - Adm David L. McDonald Field, FL17 mi35 minN 010.00 miFair78°F75°F90%1020.3 hPa
Jacksonville International Airport, FL18 mi31 minN 010.00 miA Few Clouds73°F71°F94%1020.2 hPa

Link to 5 minute data for KNIP

Wind History from NIP (wind in knots)
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Last 24hrCalmCalmS5SW4W4NE4N5NE5N4SE8SE4S6S6E10S10SE8S7SW4S5SW8SW5CalmW3NW3
1 day agoS6W3SW3CalmCalmN34NE34SE3S7SE6NE4N3CalmSW3S7S10SW6W3W3CalmCalmCalm
2 days agoSW6SW4S7SW6CalmSE6E5SE4S6E4E5SE13N8E12SE6W3S96S4S8W4W6CalmW3

Tide / Current Tables for Piney Point, St. Johns River, Florida (3)
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Piney Point
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Sun -- 03:35 AM EDT     0.89 feet High Tide
Sun -- 06:50 AM EDT     Sunrise
Sun -- 10:25 AM EDT     0.30 feet Low Tide
Sun -- 12:05 PM EDT     Moonset
Sun -- 04:00 PM EDT     0.89 feet High Tide
Sun -- 08:13 PM EDT     Sunset
Sun -- 10:49 PM EDT     0.52 feet Low Tide
Sun -- 11:54 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.50.70.80.90.90.80.70.60.40.30.30.30.40.60.70.80.90.90.80.70.60.60.50.5

Tide / Current Tables for St. Johns River Entrance, Florida Current (2) (expired 1999-12-31)
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St. Johns River Entrance
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Sun -- 12:19 AM EDT     1.60 knots Max Flood
Sun -- 02:55 AM EDT     -0.00 knots Slack
Sun -- 05:42 AM EDT     -2.11 knots Max Ebb
Sun -- 06:49 AM EDT     Sunrise
Sun -- 10:27 AM EDT     0.00 knots Slack
Sun -- 12:04 PM EDT     Moonset
Sun -- 12:46 PM EDT     1.65 knots Max Flood
Sun -- 03:28 PM EDT     -0.00 knots Slack
Sun -- 06:07 PM EDT     -1.92 knots Max Ebb
Sun -- 08:12 PM EDT     Sunset
Sun -- 10:57 PM EDT     0.00 knots Slack
Sun -- 11:53 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.61.40.8-0.1-1.2-2-2.1-1.8-1.3-0.8-0.30.51.41.61.20.4-0.6-1.5-1.9-1.8-1.4-0.9-0.50

Weather Map
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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.
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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Jacksonville, FL (5,6,7,8)
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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.