Monday, October14, 2019 L-36.com


Marine Weather and Tides
Callahan, FL

Version 3.4
NOTICE
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.
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 7:26AMSunset 6:57PM Monday October 14, 2019 9:06 PM EDT (01:06 UTC) Moonrise 6:47PMMoonset 7:00AM Illumination 98% Phase: Waning Gibbous; Moon at 16 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:201910150300;;707061 Fzus52 Kjax 141856 Cwfjax Coastal Waters Forecast For Northeast Florida/southeast Georgia National Weather Service Jacksonville Fl 256 Pm Edt Mon Oct 14 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. Amz450-452-454-150300- 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 Pm Edt Mon Oct 14 2019
Tonight..South southeast winds 5 to 10 knots becoming southwest after midnight. Seas 2 to 3 feet. Dominant period 10 seconds. Inland waters a light chop. A chance of showers.
Tuesday..South southwest winds 5 to 10 knots becoming southeast 10 to 15 knots in the afternoon. Seas 2 to 3 feet. Dominant period 10 seconds. Inland waters a light chop. Showers likely and a slight chance of Thunderstorms.
Tuesday night..South southeast winds 15 to 20 knots becoming south southwest after midnight. Seas 2 to 4 feet. Dominant period 10 seconds becoming 5 seconds after midnight. Inland waters choppy. Showers likely and a slight chance of Thunderstorms.
Wednesday..West southwest winds 15 to 20 knots. Seas 2 to 4 feet. Dominant period 7 seconds. Inland waters choppy. Showers likely and a slight chance of Thunderstorms.
Wednesday night..Northwest winds 10 to 15 knots. Seas 2 to 3 feet. Dominant period 9 seconds becoming 4 seconds after midnight. Inland waters a moderate chop. A slight chance of showers.
Thursday..North northwest winds 10 to 15 knots. Seas 2 to 3 feet. Dominant period 9 seconds. Inland waters a light chop.
Thursday night..North winds 5 to 10 knots. Seas 2 to 3 feet.
Friday..Northeast winds 5 to 10 knots. Seas 1 to 2 feet.
Friday night..East winds around 10 knots. Seas 2 to 3 feet. A chance of showers.
Saturday..East southeast winds 10 to 15 knots. Seas 2 to 4 feet. A chance of showers and a slight chance of Thunderstorms.
AMZ400 Synopsis For Altamaha Sound Ga To Flagler Beach Fl Out To 60 Nm- 256 Pm Edt Mon Oct 14 2019
Synopsis..A stalled frontal boundary will remain near the georgia waters through Tuesday before lifting north of our region as a warm front Tuesday night. A strong cold front will cross our local waters Wednesday evening. Showers and Thunderstorms will accompany the frontal passage, followed by northwesterly winds in the wake of the front Wednesday night. Winds and seas will diminish by late in the week as high pressure builds into the region.
Gulf stream.. The approximate location of the west wall of the gulf stream as of oct 10, 2019 at 1200 utc... 59 nautical miles east of flagler beach. 72 nautical miles east of saint augustine beach. 87 nautical miles east of jacksonville beach. 97 nautical miles east southeast of st simons island. This data courtesy of the naval oceanographic office.


7 Day Forecast for Marine Location Near Callahan, FL
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location: 30.56, -81.74     debug


Area Discussion for - Jacksonville, FL
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Fxus62 kjax 150050
afdjax
area forecast discussion
national weather service jacksonville fl
850 pm edt Mon oct 14 2019

Update
A few showers continue along and just south of the weak cold front
over and just north of i-10 corridor. The front will remain
nearly stationary over parts of southeast ga tonight, and the
combination of a passing shortwave trough late tonight will
increase pops over most of southeast ga to the chance range at
30-50 percent with isolated places that may pick up moderate rains
by around sunrise Tuesday. For the update, mainly just tweaked
the evening pops along the i-10 corridor and then increased them
over southeast ga as increasing lift and pwats increasing to over
2 inches NRN zones. Tweaked min temps up a bit due to cloud cover.

Marine... Other than a few adjustments to shower coverage,
forecast looks good with little change for the update.

.Aviation
[through 00z wed]
vfr conditions at this time but increasing clouds and chances for
showers over this TAF period as a frontal boundary remains quasi-
stationary over southeast ga and disturbances push in from the
west. Sct to brokenVFR ceilings over the region at this time with
a few showers just south of the front parts of northeast fl north
of the i-10 corridor. This activity expected to continue over the
next few hours but these showers remain light to moderate.

Anticipate more showers to affect locations from i-10 northward by
Tuesday morning and continue during the day. Best chances of
precip will be at kssi. MVFR conditions are anticipated for
locations generally north of i-10 on Tuesday, with some chances of
ifr at kssi in the aftn. Winds generally light and variable at
about 6 kt or less.

Prev discussion [412 pm edt]
Near term [through Tuesday] Isolated showers over SE ga this
afternoon will increase late tonight and Tuesday as energy aloft
approaches in a fast zonal flow. Surface cold front over SE ga
will provide a focus for rainfall as moisture increases... With 1-2
inches possible across our northern counties in SE ga through
Tuesday. Isolated strong storms are possible during the afternoon
as shear increases though instability will be limited. High
temperatures will be kept mostly in the 70s across SE ga Tuesday
afternoon due to clouds and rain with 80s across NE fl.

Short term [Tuesday night through Thursday night] Front will
lift north Tuesday night as a surface wave develops to the west
and tracks ne. Showers with isolated thunderstorms will continue
over SE ga Tuesday night and Wednesday... While spreading SE into
ne fl on Wednesday as upper low over the northern plains moves to
the east coast amplifying an upper trough. Rain will end Wednesday
evening as the cold front pushes south of the area. Clearing and
cooler conditions for Thursday with lower humidity as high
pressure builds in from the nw.

Long term [Friday through Monday] Friday will be another fair
day with near average temperatures and low humidity. High clouds
will increase across NE fl during the day as an upper shortwave
trough approaches from the fl panhandle. Isentropic lift will
increase as a surface low tracks by to our NW while an upper low
moves into the central u.S. Amplifying the upper flow. This will
bring increasing chances for showers and isolated thunderstorms
Saturday through Monday. Near average temperatures Friday and
Saturday will increase along with humidity for Sunday and Monday.

Marine A stalled frontal boundary will remain near the
georgia waters through Tuesday before lifting north of the waters
as a warm front Tuesday night. A strong cold front will cross our
local waters Wednesday evening. Showers and thunderstorms will
accompany the frontal passage followed by northwesterly winds in
the wake of the front Wednesday night and Thursday. Winds and
seas will increase Tuesday night through Wednesday night to near
advisory conditions. Winds and seas will subside Thursday through
Saturday as high pressure builds into the region.

Preliminary point temps pops
Amg 68 77 68 80 52 50 90 70 60 0
ssi 72 77 73 82 60 40 70 60 60 0
jax 71 83 71 86 60 20 50 30 50 10
sgj 72 82 71 85 66 10 20 20 40 20
gnv 70 85 71 85 62 10 30 30 50 20
ocf 69 87 71 85 66 10 20 30 40 20

Jax watches warnings advisories
Fl... Coastal flood advisory until 6 am edt Tuesday for putnam.

Ga... None.

Am... None.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
NFDF1 13 mi66 min ESE 4.1 G 4.1 78°F 1019.3 hPa (+0.8)
DMSF1 15 mi66 min 80°F
BLIF1 16 mi66 min SE 1.9 G 2.9 80°F 1018.6 hPa (+0.7)73°F
FRDF1 - 8720030 - Fernandina Beach, FL 17 mi66 min SE 1.9 G 4.1 84°F 79°F1018.1 hPa (+0.6)
LTJF1 20 mi66 min 79°F
MYPF1 - 8720218 - Mayport (Bar Pilots Dock), FL 20 mi66 min SSE 2.9 G 4.1 79°F 80°F1018 hPa (+0.6)
41112 - Offshore Fernandina Beach, FL (132) 26 mi36 min 80°F2 ft
SAUF1 - St. Augustine, FL 55 mi66 min SE 9.9 G 9.9 80°F 81°F1017.6 hPa (+0.3)
SAXG1 - Sapelo Island Reserve, GA 64 mi66 min SSE 2.9 76°F 1017 hPa (+0.0)71°F

Wind History for Fernandina Beach, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Jacksonville International Airport, FL5 mi10 minNNE 510.00 miOvercast77°F71°F82%1018 hPa
Fernandina Beach Municipal Airport, FL15 mi11 minSSW 410.00 miOvercast78°F73°F86%1017.9 hPa
Jacksonville Craig Municipal Airport, FL20 mi13 minS 310.00 miA Few Clouds77°F70°F79%1018 hPa
Mayport Naval Station - Adm David L. McDonald Field, FL20 mi14 minSSE 510.00 miA Few Clouds79°F70°F74%1017.8 hPa
Jacksonville Naval Air Station, FL23 mi13 minSSE 710.00 miFair78°F69°F74%1017.8 hPa

Link to 5 minute data for KJAX

Wind History from JAX (wind in knots)
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Last 24hrSE5CalmS3CalmW3CalmCalmCalmCalmCalmCalmCalmW7SW7453N4N3E7E8E7SE7NE5
1 day agoCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmSW6S6SW4S5SW4SW5SE9SE9SE9SE8SE5SE6
2 days agoCalmNW3N3CalmNE3CalmCalmCalmCalmCalmN3N3N6NE8NE7NE8E10E6E9E9E9E7E4E3

Tide / Current Tables for Boggy Creek, 2 mi. above entrance, Florida
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Boggy Creek
Click for Map
Mon -- 01:03 AM EDT     2.91 feet High Tide
Mon -- 07:17 AM EDT     -0.37 feet Low Tide
Mon -- 07:28 AM EDT     Sunrise
Mon -- 07:59 AM EDT     Moonset
Mon -- 01:20 PM EDT     3.06 feet High Tide
Mon -- 06:56 PM EDT     Sunset
Mon -- 07:40 PM EDT     -0.20 feet Low Tide
Mon -- 07:46 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.72.92.82.21.50.70-0.3-0.20.41.222.7332.61.91.10.4-0.1-0.20.20.91.7

Tide / Current Tables for St. Johns River Entrance, Florida Current
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St. Johns River Entrance
Click for Map
Mon -- 01:52 AM EDT     -2.03 knots Max Ebb
Mon -- 05:35 AM EDT     0.00 knots Slack
Mon -- 07:26 AM EDT     Sunrise
Mon -- 07:58 AM EDT     Moonset
Mon -- 08:12 AM EDT     2.28 knots Max Flood
Mon -- 11:27 AM EDT     -0.01 knots Slack
Mon -- 02:08 PM EDT     -2.18 knots Max Ebb
Mon -- 06:10 PM EDT     0.00 knots Slack
Mon -- 06:55 PM EDT     Sunset
Mon -- 07:45 PM EDT     Moonrise
Mon -- 08:36 PM EDT     1.89 knots Max Flood
Mon -- 11:46 PM EDT     -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-1-1.8-2-1.9-1.5-0.70.51.72.32.11.50.6-0.7-1.8-2.2-2.1-1.8-1.2-0.20.91.71.81.40.8

Weather Map
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wmap_A
GEOS 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.
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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Jacksonville, FL (21,6,7,8)
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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.