Saturday, January19, 2019 L-36.com


Marine Weather and Tides
Marineland, 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 5:52PM Saturday January 19, 2019 10:11 PM EST (03:11 UTC) Moonrise 4:24PMMoonset 5:40AM Illumination 99% Phase: Waxing Gibbous; Moon at 14 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
    EDIT      (on/off)   Help
AMZ454 Expires:201901200930;;623199 Fzus52 Kjax 200125 Cwfjax Coastal Waters Forecast For Northeast Florida/southeast Georgia National Weather Service Jacksonville Fl 825 Pm Est Sat Jan 19 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. Amz450-452-454-200930- 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- 825 Pm Est Sat Jan 19 2019
.small craft advisory in effect through Sunday evening...
Rest of tonight..South southwest winds increasing to 20 to 25 knots. Seas building to 4 to 6 feet with occasional seas up to 8 feet. Dominant period 5 seconds. Inland waters becoming rough. Showers likely and a slight chance of Thunderstorms.
Sunday..West northwest winds 25 knots with occasional gusts to gale force possible. Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant period 6 seconds. Inland waters very rough.
Sunday night..North northwest winds 20 to 25 knots with occasional gusts to gale force possible, becoming north 15 to 20 knots after midnight. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 5 seconds. Inland waters rough.
Monday..North northeast winds 15 knots. Seas 2 to 4 feet. Dominant period 5 seconds. Inland waters a moderate chop.
Monday night..East northeast winds 10 to 15 knots. Seas 2 to 3 feet. Inland waters a light chop.
Tuesday and Tuesday night..East southeast winds 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Inland waters a moderate chop.
Wednesday..South southeast winds 15 to 20 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Inland waters choppy. A chance of showers.
Wednesday night..South winds 20 to 25 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Inland waters rough. Showers and a slight chance of Thunderstorms.
Thursday..Southwest winds 15 to 20 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Inland waters choppy. Showers likely.
AMZ400 Synopsis For Altamaha Sound Ga To Flagler Beach Fl Out To 60 Nm- 825 Pm Est Sat Jan 19 2019
Synopsis.. Strong low pressure over the tennessee valley this evening will accelerate northeastward across the appalachians and into the mid-atlantic states by Sunday morning. A strong cold front associated with this storm system currently over the florida panhandle will race eastward across our waters during the predawn and early morning hours on Sunday, with increasing coverage of showers and Thunderstorms expected overnight. Frequent gale force wind gusts are expected offshore beginning during the predawn hours on Sunday, with occasional gusts to gale force possible near shore through Sunday afternoon. Meanwhile, strong high pressure will build southeastward from the western great lakes region on Sunday into the ohio valley by Monday evening and then will shift off the carolina coast by Tuesday evening. Onshore winds will strengthen by Tuesday night and Wednesday ahead of the next cold front that will be entering the southeastern states.


7 Day Forecast for Marine Location Near Marineland, FL
   Hourly   EDIT   Help
location: 29.63, -81.21     debug


Area Discussion for - Jacksonville, FL
      (on/off)   Help   NOTE: mouseover dotted underlined text for definition
Fxus62 kjax 200309
afdjax
area forecast discussion
national weather service jacksonville fl
1009 pm est Sat jan 19 2019

Strong to isolated severe thunderstorms possible overnight...

Very windy conditions expected by sunrise on Sunday...

Update
Late evening surface analysis depicts strengthening low pressure
(995 millibars) accelerating from the tennessee valley towards the
central appalachians, with a strong cold front trailing this storm
system across the deep south, the florida panhandle and into the
central gulf of mexico. Aloft, troughing is quickly digging from
the tennessee and lower mississippi valleys into the southeastern
states, with an intensifying jet streak in excess of 120 knots
pivoting from the northern gulf of mexico into the florida
panhandle. Meanwhile, arctic high pressure (1038 millibars) was
building southward from the canadian prairies into the plains
states. Strengthening divergence aloft in advance of the
approaching jet streak developed convection over the loop current
in the northeast gulf of mexico this afternoon, and a strong
convective cell is currently moving into western marion county,
with mostly stratiform rainfall overspreading most locations south
of interstate 10 in northeast florida. 02z laps analysis shows
that 60+ degree dewpoint values are advecting northward from the
gulf of mexico into the florida big bend and nature coast as well
far western portions of the suwannee valley and into the ocmulgee
river basin. Impressive helicity values of 300-400 were also noted
across most of inland southeast georgia and nosing into the
western suwannee valley. Strong warm air advection ahead of the
approaching cold front was keeping temperatures in the 60s area-
wide.

Model soundings depict that low and mid level flow will continue
to become more unidirectional as the night progresses, with
south-southwesterly speeds increasing to 40-50 knots around 1500
feet (950 millibars) during the overnight hours ahead of the
front. The storm prediction center has placed locations west of
the i-95 corridor within a marginal risk for severe thunderstorm
development overnight, and the main threat with this activity will
be strong wind gusts of 40-60 mph within any heavier cells that
maintain themselves along and ahead of the approaching cold front.

Convection will be entering an increasingly stable air mass
overnight, but an isolated tornado cannot be ruled out during the
next few hours over the suwannee valley, inland southeast georgia
and western portions of north central florida. This risk will
decrease after midnight, with convection likely weakening as it
moves offshore during the predawn hours. A stratus deck will then
overspread our region from northwest to southeast in the wake of
the frontal passage through the early morning hours as strong cold
air advection settles in. Lows will fall into the 40s over our
western counties shortly after sunrise, with 50s expected
elsewhere.

Low pressure will continue to strengthen as it pivots
northeastward from the mid-atlantic states into new england on
Sunday. This will keep a very tight pressure gradient in place
locally, with west-northwesterly wind gusts of 30-40 mph expected
to develop shortly after sunrise. This will likely necessitate a
wind advisory nearly area-wide throughout the daylight hours on
Sunday. Low stratus ceilings will lift during the mid to late
morning hours, and despite increasing sunshine, strong cold air
advection will keep highs in the 50s area-wide. Temperatures will
likely begin to fall beginning during the mid-afternoon, setting
up a light inland advection freeze on Sunday night, with wind
chills falling into the 20s.

Aviation
Low level wind shear will continue to overspread the regional
terminals through around 06z, with south-southwesterly winds
strengthening to 40-45 knots from 1500-2000 feet. Outside of
convective activity, sustained surface winds will gradually
strengthen to 10-15 knots after 03z and then to 15-20 knots after
06z as showers and thunderstorms overspread the terminals. Brief
periods of ifr conditions are expected during heavier downpours,
with ceilings falling to 500-900 feet and visibilities potentially
below 1 mile, with surface gusts up to 40 knots also possible.

Surface winds will then shift to westerly after 09z as convection
moves offshore before sunrise, with speeds remaining in the 15-20
knot range. West-northwesterly surface winds will then strengthen
to 20-30 knots after 12z and will continue for much of the day,
with occasional gusts to 35-40 knots possible during the afternoon
hours. MVFR ceilings are likely in the wake of the convection from
09z-14z, withVFR conditions thereafter.

Marine
Strengthening low pressure over the tennessee valley this evening
will accelerate northeastward across the central portion of the
appalachian mountains overnight, reaching coastal new england by
sunset on Sunday. The strong cold front associated with this storm
system that is currently over the florida panhandle will race
eastward overnight, crossing our local waters during the predawn
and early morning hours on Sunday. Showers and thunderstorms will
increase in coverage ahead of this front during the overnight
hours, and frequent gale force wind gusts are expected to develop
by the predawn hours over the offshore waters, where a gale
warning will go into effect beginning at 3 am. West-northwesterly
winds will continue to strengthen in the wake of the front on
Sunday morning as lingering showers depart the coastal waters,
with occasional gale force wind gusts expected in the near shore
waters throughout the day.

A strong high pressure center will then build southeastward from
the western great lakes on Sunday night into the ohio valley on
Monday, with this feature then moving off the carolina coast by
Tuesday evening. Our local pressure gradient will begin to loosen
by late Sunday night and into Monday, allowing northwesterly winds
to gradually ease back to small craft advisory levels offshore
after midnight and back to caution levels near shore. Winds will
then veer to onshore by late Monday, with speeds and seas falling
below caution levels.

Our local pressure gradient will then gradually tighten beginning
on Tuesday ahead of the next strong cold front that will impact
our region. Onshore wind speeds will reach caution levels in the
offshore waters by late Tuesday, followed by small craft advisory
conditions from Wednesday through Thursday. Speeds in the near
shore waters should remain just below caution levels on Tuesday
night, reaching caution on Wednesday and then small craft advisory
levels by Wednesday evening.

Rip currents: low risk expected on Sunday due to strong offshore
winds.

Preliminary point temps pops
Amg 47 53 30 50 80 0 0 0
ssi 51 56 33 49 90 0 0 0
jax 51 57 32 52 90 0 0 0
sgj 55 59 35 54 80 10 0 0
gnv 51 57 31 55 90 10 0 0
ocf 54 59 32 57 90 0 0 0

Jax watches warnings advisories
Fl... None.

Ga... None.

Am... Small craft advisory until 3 am est Sunday 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.

Gale warning from 3 am Sunday to midnight est Sunday night 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 midnight est Sunday night 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.

Nelson enyedi bricker


Weather Reporting Stations
   EDIT       (on/off)   Help   NOTE: Click on distance to see the station location on a map
Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
GTXF1 - Guana Tolomato Matanzas Reserve, FL 2 mi86 min S 5.1 69°F 1011 hPa58°F
SAUF1 - St. Augustine, FL 16 mi71 min S 13 G 13 64°F 61°F1009 hPa (-2.2)
RCYF1 22 mi41 min 63°F
41117 26 mi41 min 60°F4 ft

Wind History for I-295 Bridge, St Johns River, FL
(wind in knots)    EDIT      (on/off)   Help
Last
24hr
1 day
ago
2 days
ago

Airport Reports
    EDIT      (on/off)   Help   Click EDIT to display multiple airports
AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Ormond Beach, Ormond Beach Municipal Airport, FL23 mi3.4 hrsSE 410.00 miFair70°F59°F69%1011.5 hPa
Northeast Florida Regional Airport, FL24 mi15 minSSW 10 G 1710.00 miMostly Cloudy71°F57°F61%1009.1 hPa

Wind History from SGJ (wind in knots)
11
PM
12
AM
1
AM
2
AM
3
AM
4
AM
5
AM
6
AM
7
AM
8
AM
9
AM
10
AM
11
AM
12
PM
1
PM
2
PM
3
PM
4
PM
5
PM
6
PM
7
PM
8
PM
9
PM
10
PM
Last 24hrSW4CalmCalmCalmS4SW3SW4SW4CalmSW4S5S12
G17
S11S12
G20
S9S13
G19
S12S12S8SE9S7S6S6S10
G17
1 day agoCalmCalmCalmCalmW4W3W3W4W5W4NW4NW6E7E6--SE8SE7SE7SE4SE5S5S6S6S5
2 days agoCalmCalmCalmCalmCalmCalmNW4CalmNW5NW4NW45NE7NE7NE5NE5E6E6SE4CalmCalmNW3CalmCalm

Tide / Current Tables for Bings Landing, Matanzas River, Florida
   EDIT   RT Ports Option   Weekend mode (on/off)   (on/off)   Help   One Week of Data
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


Tide / Current Tables for Fort Matanzas, Matanzas River, ICWW, Florida
   EDIT      (on/off)   Help   One Week of Data
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


Weather Map and Satellite Images
       (on/off)   HelpWeather Map
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 (22,6,7,8)
      (on/off)   Help

Ground Weather Radar Station Jacksonville, FL
   (on/off)   Help
weather_mapweather_map weather_map

Ad by Google

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.