Wednesday, January17, 2018 L-36.com


Marine Weather and Tides
East Palatka, FL

Version 3.4
What's New / NOTES
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.

Sunrise 7:18AMSunset 5:51PM Wednesday January 17, 2018 4:05 AM EST (09:05 UTC) Moonrise 7:40AMMoonset 6:33PM Illumination 0% Phase: New Moon; Moon at 1 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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AMZ454 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- 209 Am Est Wed Jan 17 2018
.dense fog advisory in effect until 10 am est this morning...
.small craft advisory in effect from this evening through Thursday morning...
Today..Northwest winds 15 to 20 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant period 10 seconds. Inland waters a moderate chop. Areas of dense fog in the morning.
Tonight..North northwest winds 20 to 25 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant period 8 seconds. Inland waters choppy.
Thursday..North winds 15 to 20 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant period 11 seconds. Inland waters a moderate chop.
Thursday night..Northwest winds 5 to 10 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 10 seconds. Inland waters a light chop.
Friday..West northwest winds 5 to 10 knots. Seas 2 to 4 feet. Inland waters a light chop.
Friday night..Southwest winds around 5 knots becoming northwest after midnight. Seas 2 to 3 feet. Inland waters smooth.
Saturday..North northwest winds around 5 knots becoming northeast in the afternoon. Seas 1 to 2 feet. Inland waters smooth.
Saturday night..East northeast winds around 5 knots becoming north northeast after midnight. Seas 1 to 2 feet. Inland waters smooth.
Sunday..Northeast winds 5 to 10 knots. Seas 1 to 2 feet. Inland waters a light chop.
AMZ400 Synopsis For Altamaha Sound Ga To Flagler Beach Fl Out To 60 Nm- 209 Am Est Wed Jan 17 2018
Synopsis.. A cold front will move southeast across the region this morning. An area of low pressure will develop on this front and move to the northeast tonight. This will result in an enhanced pressure gradient and elevated winds and seas. High pressure will build from the west Thursday, then overhead on Friday. High pressure will be to the east over the weekend, with a cold front moving east across region Monday into Monday night.

7 Day Forecast for Marine Location Near East Palatka CDP, FL
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location: 29.71, -81.62     debug


Area Discussion for - Jacksonville, FL
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Fxus62 kjax 170627
afdjax
area forecast discussion
national weather service jacksonville fl
127 am est Wed jan 17 2018

Near term through tonight
Patchy to areas of fog are expected this morning, mainly
near the coast, where better low level moisture exists. Will
continue to monitor for potential advisory.

Surface cold front will move southeast across the region this
morning. Best moisture will follow this boundary as an upper
trough pushes southeast. Near term models depict an area of
precipitation reaching the far inland counties of SE ga around
mid morning. Temperature profiles at this time, point to a
light mix of rain and sleet. However, amounts are very light,
so no advisory expected. By mid afternoon the drier air will be
pushing SE across area, which \will bring clearing skies later
in the day from NW to se. The timing of the front, and the
afternoon sunshine will make for a complicated temperature
forecast. Temperatures NW will fall in the morning following
the front, then recover in sunshine in the afternoon. However,
in the SE MAX temps will be around noon, then fall through the
day.

For tonight, clear skies are expected. While winds are forecast
to diminish tonight, not expecting calm, which will help hold
overnight lows up a little, but at the same time provide a bit
of a wind chill. Therefore, maintaining a trend toward readings
a few degrees above MOS guidance.

Short term Thursday through Friday night
Weak shortwave ridge will move across the area Thursday afternoon
and night. With high pressure centered west of the area, cold air
advection will keep high temperatures well below normal in the
upper 40s to lower 50s, despite full sunshine. Another cold night
expected Thursday night with a hard freeze interior portions of se
ga NE fl with a light freeze coastal counties of SE ga and
eastern southern counties in NE fl.

Surface high builds over the area Friday while shortwave trough
moves over western gulf coast region. Some moderation in
temperatures with high temperatures Friday in 55-60 range, and
low temperatures Friday night 30-35 interior SE ga NE fl and
35-40 further E and s.

Long term Saturday through Tuesday
Models show upper trough moving over forecast area over the
weekend... With GFS having it over us Saturday while ecm delays
until Sunday. Both models have system coming through dry due to
lack of moisture and most of dynamics well above 700mb (much
less of a trough reflection at 700mb compared to 500mb).

Temperatures are expected to get back up to normal by Sunday.

A brief period of above normal temperatures Monday and Tuesday
ahead of strong central u.S. Upper trough. Low rain chances
return ahead of next cold front.

Aviation
Restrictions in fog will be expected this morning. Conditions
will improve toVFR by noon, with withVFR then expected through
the remainder of the 06z TAF period.

Marine
A cold front will move southeast across the region this morning.

An area of low pressure will develop on this front and move to
the northeast tonight. This will result in an enhanced pressure
gradient and elevated winds and seas. High pressure will build
from the west Thursday, then overhead on Friday. High pressure
will be to the east over the weekend, with a cold front moving
east across region Monday into Monday night.

Rip currents: moderate risk today with elevated surf.

Preliminary point temps pops
Amg 41 23 48 26 20 0 0 0
ssi 46 28 46 31 0 0 0 0
jax 50 25 49 29 0 0 0 0
sgj 54 29 48 34 0 0 0 0
gnv 51 24 50 29 0 0 0 0
ocf 54 25 52 30 0 0 0 0

Jax watches warnings advisories
Fl... Hard freeze watch from this evening through Thursday morning for
alachua-baker-bradford-clay-coastal duval-coastal nassau-
columbia-flagler-gilchrist-hamilton-inland duval-inland
nassau-marion-putnam-st. Johns-suwannee-union.

Ga... Hard freeze watch from this evening through Thursday morning for
appling-atkinson-bacon-brantley-charlton-clinch-coastal
camden-coastal glynn-coffee-echols-inland camden-inland
glynn-jeff davis-pierce-ware-wayne.

Am... Small craft advisory from 3 pm this afternoon to 4 pm est
Thursday 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.

Wolf 23


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
RCYF1 7 mi48 min 53°F
GTXF1 - Guana Tolomato Matanzas Reserve, FL 21 mi81 min NW 1.9 49°F 1026 hPa49°F
SAUF1 - St. Augustine, FL 21 mi66 min NNW 5.1 G 5.1 50°F 50°F1024.5 hPa (-1.7)
41117 35 mi44 min 52°F5 ft
JXUF1 45 mi48 min 52°F
DMSF1 47 mi48 min 51°F
LTJF1 47 mi48 min 44°F 44°F
BLIF1 47 mi48 min SW 1 G 1.9 46°F 1025.5 hPa46°F
MYPF1 - 8720218 - Mayport (Bar Pilots Dock), FL 49 mi48 min WSW 1.9 G 1.9 45°F 51°F1024.5 hPa

Wind History for I-295 Bridge, St Johns River, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Northeast Florida Regional Airport, FL24 mi70 minN 08.00 miMostly Cloudy42°F42°F100%1025.1 hPa

Wind History from SGJ (wind in knots)
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Last 24hrNW8NW7NW7NW7N8N12N14N11N10N11N10N9N6N5N4N6NW4NW5NW5NW4NW3CalmCalmCalm
1 day agoN11N12N12N11N13N17
G22
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2 days agoNW9NW7NW9NW7NW8N14
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Tide / Current Tables for Palatka, St. Johns River, Florida
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Palatka
Click for Map
Wed -- 03:10 AM EST     1.09 feet High Tide
Wed -- 07:22 AM EST     Sunrise
Wed -- 07:39 AM EST     Moonrise
Wed -- 09:48 AM EST     -0.11 feet Low Tide
Wed -- 03:39 PM EST     1.17 feet High Tide
Wed -- 05:51 PM EST     Sunset
Wed -- 06:33 PM EST     Moonset
Wed -- 10:35 PM EST     -0.12 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.50.811.110.70.40.1-0-0.1-0.100.40.811.11.210.70.40.20-0.1-0.1

Tide / Current Tables for St. Johns River at Racy Point, Florida
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St. Johns River at Racy Point
Click for Map
Wed -- 02:34 AM EST     0.62 feet High Tide
Wed -- 07:22 AM EST     Sunrise
Wed -- 07:39 AM EST     Moonrise
Wed -- 08:51 AM EST     -0.33 feet Low Tide
Wed -- 03:13 PM EST     0.83 feet High Tide
Wed -- 05:50 PM EST     Sunset
Wed -- 06:32 PM EST     Moonset
Wed -- 09:37 PM EST     -0.17 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.30.50.60.60.40.2-0-0.2-0.3-0.3-0.20.10.30.50.70.80.80.60.40.20-0.1-0.20

Weather Map and Satellite Images
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Weather Map
wmap_A
IR Satellite Image from GEOS
east_satellite

GOES Local Image of Southeast    EDIT
Geos

Wind Forecast for Jacksonville, FL (4,6,7,8)
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Ground Weather Radar Station Jacksonville, FL
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weather_mapweather_map weather_map

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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.