Saturday, August24, 2019 L-36.com


Marine Weather and Tides
Sawgrass, FL

Version 3.4
NOTICE
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 6:56AMSunset 7:59PM Saturday August 24, 2019 7:15 AM EDT (11:15 UTC) Moonrise 12:00AMMoonset 2:00PM Illumination 36% Phase: Waning Crescent; Moon at 24 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:201908241500;;120524 Fzus52 Kjax 240656 Cwfjax Coastal Waters Forecast For Northeast Florida/southeast Georgia National Weather Service Jacksonville Fl 256 Am Edt Sat Aug 24 2019 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. Amz450-452-454-241500- 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- 256 Am Edt Sat Aug 24 2019
Today..East winds 10 to 15 knots. Seas 2 to 4 feet. Dominant period 6 seconds. Inland waters a light chop. A chance of showers and a slight chance of Thunderstorms.
Tonight..East southeast winds 10 to 15 knots becoming northeast 5 to 10 knots after midnight. Seas 2 to 4 feet. Dominant period 6 seconds. Inland waters a light chop. A chance of showers and a slight chance of Thunderstorms.
Sunday..North northeast winds 10 to 15 knots. Seas 2 to 4 feet. Dominant period 7 seconds. Inland waters a moderate chop. A chance of showers and Thunderstorms.
Sunday night..North northeast winds 10 to 15 knots. Seas 2 to 4 feet. Dominant period 8 seconds. Inland waters a light chop. A chance of showers and a slight chance of Thunderstorms.
Monday..North northeast winds 10 to 15 knots. Seas 2 to 3 feet. Dominant period 7 seconds. Inland waters a light chop. A chance of showers and Thunderstorms.
Monday night..North northeast winds 5 to 10 knots becoming west northwest after midnight. Seas 2 to 3 feet. A chance of showers and a slight chance of Thunderstorms.
Tuesday..Southwest winds 5 to 10 knots. Seas 2 to 3 feet. Showers and a chance of Thunderstorms.
Tuesday night..West southwest winds 10 to 15 knots. Seas 2 to 3 feet. A chance of showers and Thunderstorms.
Wednesday..West winds 5 to 10 knots. Seas 2 to 3 feet. Showers and a slight chance of Thunderstorms.
AMZ400 Synopsis For Altamaha Sound Ga To Flagler Beach Fl Out To 60 Nm- 256 Am Edt Sat Aug 24 2019
Synopsis.. High pressure will be east northeast of the region today. Inverted troughing will build over the waters later today into tonight. A tropical low may form in this trough tonight into Sunday, then track to the northeast. This system will continue to be Monitored over the next few days. A cold front is expected to move southeast into the region toward the middle of next week.
Gulf stream.. The approximate location of the west wall of the gulf stream as of aug 24, 2019 at 1200 utc... 52 nautical miles east northeast of flagler beach. 59 nautical miles east of saint augustine beach. 73 nautical miles east of jacksonville beach. 91 nautical miles east of st simons island. This data courtesy of the naval oceanographic office.


7 Day Forecast for Marine Location Near Sawgrass CDP, FL
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location: 30.19, -81.36     debug


Area Discussion for - Jacksonville, FL
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Fxus62 kjax 240654
afdjax
area forecast discussion
national weather service jacksonville fl
254 am edt Sat aug 24 2019

Near term through tonight ...

high pressure ridge will be located to the east northeast today,
with inverted troughing associated with wave over southern florida.

Onshore flow pattern expected today. Best chance for convective
activity today inland, with initiation aided by diurnal heating and
sea breeze interactions. This activity will dissipate with loss of
diurnal heating this evening. The inverted trough will move further
north overnight, helping to keep showers going through the night over
coastal waters, which may affect beaches.

Near normal temperatures expected this period.

Short term Sunday through Tuesday ...

good deal of forecast uncertainty in this period, given potential
for tropical system to the east.

At this time inverted trough is expected to build to the east of the
region Sunday, with possible tropical low development in the trough
later in the day. The low pressure system is then expected to gather
Sunday night into Monday, and track to the northeast of the region.

Trough will linger behind the low, which will keep higher than normal
convective chances in the forecast into Tuesday. Convective
chances this period will depend on strength and track of potential
tropical low. At this point, will favor scattered to numerous
coverage.

Temperatures will be near normal this period.

Long term Tuesday night through Friday ...

a cold front is expected to move southeast into region Tuesday
night, then slowly track across region through Thursday. Long range
models are depicting the front to push just to the south of the
region by Thursday afternoon, with high pressure building from the
north behind it. Scattered to numerous convective coverage
associated with the front Tuesday night through Wednesday, with best
chances over NE fl Thursday. The boundary and any waves which may
develop along it will be over or near forecast area Friday, with
unsettled weather expected for at least NE fl.

Marine
High pressure will be east northeast of the region today. Inverted
troughing will build over the waters later today into tonight. A
tropical low may form in this trough tonight into Sunday, then track
to the northeast. This system will continue to be monitored over the
next few days. A cold front is expected to move southeast into the
region toward the middle of next week.

Rip currents: moderate risk through Sunday.

Aviation Vfr conditions are expected over the next 24 hours,
except for potentially a few areas of MVFR conditions due to low
clouds and patchy fog toward dawn... Best chance interior taf
sites... Kvqq, kgnv.

Latest guidance suggests best chance of scattered shra isolated tsra
this afternoon would be across our southernmost TAF sites... Kgnv,
ksgj... Where vcsh has been included.

Easterly to northeasterly surface flow at 5-10 knots expected today.

Preliminary point temps pops
Amg 92 74 89 72 50 50 50 30
ssi 86 78 87 77 20 30 50 40
jax 90 77 89 75 20 20 50 30
sgj 87 78 88 75 30 20 40 30
gnv 92 75 90 73 20 20 50 40
ocf 92 75 92 74 30 20 50 40

Jax watches warnings advisories
Fl... None.

Ga... None.

Am... None.

23 wolf


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
LTJF1 14 mi46 min 80°F
MYPF1 - 8720218 - Mayport (Bar Pilots Dock), FL 15 mi46 min S 1 G 1.9 80°F 83°F1015.1 hPa
BLIF1 16 mi46 min SSW 2.9 G 2.9 80°F 1015.8 hPa80°F
DMSF1 17 mi46 min 85°F
JXUF1 18 mi46 min 85°F
41117 20 mi16 min 83°F3 ft
NFDF1 20 mi46 min W 1 G 2.9 75°F 1016.7 hPa
SAUF1 - St. Augustine, FL 24 mi16 min ESE 4.1 G 4.1 81°F 82°F1015.1 hPa (+0.3)
FRDF1 - 8720030 - Fernandina Beach, FL 34 mi46 min 84°F 85°F1015.6 hPa
41112 - Offshore Fernandina Beach, FL (132) 36 mi16 min 83°F2 ft
GTXF1 - Guana Tolomato Matanzas Reserve, FL 37 mi91 min Calm 74°F 1016 hPa74°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 Craig Municipal Airport, FL13 mi23 minN 010.00 miFair76°F73°F94%1015.1 hPa
Mayport Naval Station - Adm David L. McDonald Field, FL14 mi24 minS 310.00 miPartly Cloudy79°F75°F88%1015 hPa
Northeast Florida Regional Airport, FL15 mi20 minN 010.00 miFair76°F73°F94%1015.3 hPa
Jacksonville Naval Air Station, FL17 mi23 minN 010.00 miMostly Cloudy81°F75°F82%1014.9 hPa

Link to 5 minute data for KCRG

Wind History from CRG (wind in knots)
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Last 24hrCalmCalmCalmCalmCalmE8NE11E9E9E11E8SE7E5E7E4E4CalmCalmCalmCalmCalmCalmCalmCalm
1 day agoCalmCalmW4NW4CalmNE5NE5E10
G18
E7SE7SE9E8SE7SE6S4SE3CalmCalmNW3CalmCalmCalmCalmCalm
2 days agoCalmS4S6CalmSE34CalmSE7SE7
G16
E10E9E9SE6SE5SE6S4SE3S4CalmCalmCalmCalmCalmCalm

Tide / Current Tables for Palm Valley, ICWW, Florida
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Palm Valley
Click for Map
Sat -- 12:58 AM EDT     Moonrise
Sat -- 04:32 AM EDT     1.23 feet High Tide
Sat -- 06:57 AM EDT     Sunrise
Sat -- 11:49 AM EDT     -2.23 feet Low Tide
Sat -- 03:00 PM EDT     Moonset
Sat -- 05:46 PM EDT     1.67 feet High Tide
Sat -- 07:57 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-1.7-0.80.20.91.21.210.70.1-0.6-1.3-1.9-2.2-1.5-0.30.71.31.61.71.61.10.4-0.3-1

Tide / Current Tables for St. Johns River Entrance, Florida Current
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St. Johns River Entrance
Click for Map
Sat -- 12:58 AM EDT     Moonrise
Sat -- 02:00 AM EDT     1.52 knots Max Flood
Sat -- 04:45 AM EDT     -0.00 knots Slack
Sat -- 06:57 AM EDT     Sunrise
Sat -- 07:46 AM EDT     -1.89 knots Max Ebb
Sat -- 11:35 AM EDT     0.00 knots Slack
Sat -- 02:27 PM EDT     2.27 knots Max Flood
Sat -- 03:00 PM EDT     Moonset
Sat -- 05:43 PM EDT     -0.00 knots Slack
Sat -- 07:57 PM EDT     Sunset
Sat -- 08:21 PM EDT     -1.90 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.31.21.51.20.5-0.2-1-1.7-1.9-1.6-1.1-0.50.41.42.22.11.50.6-0.3-1.3-1.9-1.8-1.5-1

Weather Map and Satellite Images
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wmap_A
GOES 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 (7,2,3,4)
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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 numerious 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.