Thursday, January24, 2019 L-36.com


Marine Weather and Tides
Sawgrass, FL

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 7:18AMSunset 5:56PM Thursday January 24, 2019 5:13 AM EST (10:13 UTC) Moonrise 10:04PMMoonset 10:05AM Illumination 87% Phase: Waning Gibbous; Moon at 18 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:201901241515;;838295 Fzus52 Kjax 240712 Cwfjax Coastal Waters Forecast For Northeast Florida/southeast Georgia National Weather Service Jacksonville Fl 212 Am Est Thu Jan 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. Amz450-452-454-241515- 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- 212 Am Est Thu Jan 24 2019
.small craft advisory in effect until 10 am est this morning...
Today..South winds 20 to 25 knots shifting to the west this morning...and decreasing to 10 to 15 knots in the afternoon. Seas 5 to 7 feet with occasional seas up to 9 feet. Dominant period 8 seconds. Inland waters choppy. Showers and a slight chance of Thunderstorms in the morning.
Tonight..Northwest winds 10 to 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 9 seconds. Inland waters a light chop.
Friday..North northwest winds 10 to 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 9 seconds. Inland waters a moderate chop.
Friday night..North northwest winds 10 to 15 knots. Seas 2 to 4 feet. Dominant period 9 seconds. Inland waters a light chop.
Saturday..North northwest winds 10 to 15 knots. Seas 2 to 4 feet. Inland waters a moderate chop.
Saturday night and Sunday..North winds 5 to 10 knots. Seas 2 to 4 feet. Inland waters mostly smooth.
Sunday night..North winds 5 to 10 knots. Seas 2 to 3 feet. Inland waters smooth. A slight chance of showers.
Monday..Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Inland waters a moderate chop. A slight chance of showers.
AMZ400 Synopsis For Altamaha Sound Ga To Flagler Beach Fl Out To 60 Nm- 212 Am Est Thu Jan 24 2019
Synopsis..A strong cold front will move across the waters this morning. Gales are expected early this morning across the offshore waters. High pressure will then build in through the weekend with winds and seas decreasing.


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


Area Discussion for - Jacksonville, FL
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Fxus62 kjax 240650
afdjax
area forecast discussion
national weather service jacksonville fl
150 am est Thu jan 24 2019

Marginal risk of strong to severe storms across NE fl
early this morning...

Short term Today and tonight... Widespread rain and isolated
thunder will move across the area early this morning. Current
airmass shows strong vertical wind shear but only weak elevated
instability. Still a slim chance of a strong to severe storm to
occur over NE fl until mid-morning as prefrontal trough and cold
front push east across the area into the atlantic. An isolated
storm may be capable of damaging winds or even an isolated
tornado. Average rainfall amounts will be near one inch across se
ga and NE fl. High pressure will build in from the west in the
afternoon with decreasing clouds and gusty westerly winds.

Temperatures will be a little cooler today behind the front with
afternoon temperatures in the 60s to lower 70s. Tonight
temperatures will fall into the mid upper 30s.

Short term Friday through Sunday ... High pressure will build
from the west Friday, then overhead for Saturday into Sunday.

Models continue to show a trough developing over south florida
late in the weekend, with lows tracking northeast along it. The
models have been inconsistent in timing of the lows as well as
northern extent of the precipitation. At this point, will keep
much of the precipitation to the south this period. Cooler than
normal temperatures are expected through this period, with freezes
possible both Friday night and Saturday night.

Long term Sunday night through Wednesday ... Model disagreement
and inconsistency continues in the Sunday night to Monday
timeframe over handling of energy riding northeast along trough to
the south. At this point will again favor much of this activity
remaining to the south with high helping to suppress this area.

High pressure will move to the east Monday night into Tuesday, with a
cold front moving through late Tuesday into Tuesday night. High
pressure is expected to build from the west for Wednesday.

Aviation Widespread rain will affect the TAF sites in NE fl se
ga until around 12-14z this morning when cold front pushes
offshore. Strong southerly winds will produce low level wind
shear ahead of front as winds increase to near 50 knots around
2000 feet. Expect MVFR conditions with possibility of ifr
conditions ahead of frontal passage.VFR conditions after 14z with
decreasing cloudiness and westerly winds.

Marine Strong cold front will sweep across the waters early
this morning accompanied by showers and a few storms with gusty
winds. SCA near shore with gale warning offshore remain in effect
until at least late morning. Winds and seas will start to decrease
this afternoon with advisory conditions expected to continue offshore.

High pressure will build in behind the front and be reinforced
this weekend. No headlines expected over the weekend.

Rip currents: moderate risk today. Low risk on Friday.

Preliminary point temps pops
Amg 61 35 53 29 40 0 0 0
ssi 66 37 53 34 100 0 0 0
jax 69 37 56 35 90 0 0 0
sgj 70 39 56 39 100 0 0 0
gnv 68 36 57 35 70 0 0 0
ocf 69 37 59 36 80 0 0 0

Jax watches warnings advisories
Fl... None.

Ga... None.

Am... Gale warning until 10 am est this morning 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 10 am est this morning for 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.

Zibura 23 shashy


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
LTJF1 14 mi56 min 68°F 66°F
MYPF1 - 8720218 - Mayport (Bar Pilots Dock), FL 15 mi56 min SSE 6 G 9.9 65°F 60°F1009.8 hPa
BLIF1 16 mi56 min S 12 G 15 68°F 1010.5 hPa68°F
DMSF1 17 mi56 min 60°F
41117 20 mi44 min 60°F6 ft
SAUF1 - St. Augustine, FL 24 mi74 min S 19 G 22 71°F 61°F1010.5 hPa (-1.5)
RCYF1 29 mi56 min 61°F
FRDF1 - 8720030 - Fernandina Beach, FL 34 mi56 min 64°F 59°F1009.8 hPa
41112 - Offshore Fernandina Beach, FL (132) 36 mi44 min 57°F7 ft
GTXF1 - Guana Tolomato Matanzas Reserve, FL 37 mi89 min S 7 72°F 1012 hPa66°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 mi21 minS 117.00 miLight Rain68°F66°F96%1008.8 hPa
Mayport Naval Station - Adm David L. McDonald Field, FL14 mi22 minS 108.00 miLight Rain68°F66°F93%1008.8 hPa
Northeast Florida Regional Airport, FL15 mi18 minS 1310.00 miLight Rain69°F66°F90%1009.5 hPa
Jacksonville Naval Air Station, FL17 mi21 minS 137.00 miRain68°F66°F93%1008.3 hPa

Wind History from CRG (wind in knots)
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Last 24hrCalmSE5S4S3S9SE17
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1 day agoE5E5E6E5E9E13
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E8E8E7E4E4SE4SE9SE8SE7SE8SE7SE3CalmSE3
2 days agoNW9N10N11N12
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NE8NE7NE10E11NE8NE7E7NE9NE7E6E6E6

Tide / Current Tables for Palm Valley, ICWW, Florida
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Palm Valley
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Thu -- 12:46 AM EST     1.90 feet High Tide
Thu -- 06:37 AM EST     -3.17 feet Low Tide
Thu -- 07:19 AM EST     Sunrise
Thu -- 10:04 AM EST     Moonset
Thu -- 01:20 PM EST     2.82 feet High Tide
Thu -- 05:55 PM EST     Sunset
Thu -- 07:14 PM EST     -2.88 feet Low Tide
Thu -- 10:04 PM EST     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.81.91.50.6-0.6-1.8-2.9-3.1-2.1-0.70.61.72.42.82.71.90.7-0.6-2-2.8-2.5-1.4-0.30.6

Tide / Current Tables for St. Johns River Entrance, Florida Current
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St. Johns River Entrance
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Thu -- 12:22 AM EST     -0.01 knots Slack
Thu -- 03:00 AM EST     -2.25 knots Max Ebb
Thu -- 06:55 AM EST     0.00 knots Slack
Thu -- 07:20 AM EST     Sunrise
Thu -- 09:41 AM EST     2.60 knots Max Flood
Thu -- 10:05 AM EST     Moonset
Thu -- 12:51 PM EST     -0.00 knots Slack
Thu -- 03:33 PM EST     -2.46 knots Max Ebb
Thu -- 05:54 PM EST     Sunset
Thu -- 07:37 PM EST     0.00 knots Slack
Thu -- 10:04 PM EST     Moonrise
Thu -- 10:13 PM EST     2.26 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.5-0.9-1.9-2.2-2.1-1.7-10.11.42.42.62.11.2-0.2-1.6-2.4-2.4-2.2-1.7-0.80.51.72.22.1

Weather Map and Satellite Images
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wmap_A
GOES 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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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 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.