Thursday, March23, 2017 L-36.com


Marine Weather and Tides
Callahan, FL

Version 3.4
What's New / NOTES
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.
3/12/2015 - Added section for Gulf current for users in the GMZ marine zones.
This was requested by a user. If you have requests, please let me know.

Sunrise 7:23AMSunset 7:41PM Thursday March 23, 2017 4:18 AM EDT (08:18 UTC) Moonrise 3:24AMMoonset 2:24PM Illumination 19% Phase: Waning Crescent; Moon at 25 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 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- 338 Am Edt Thu Mar 23 2017
.small craft advisory in effect through noon on Friday...
Today..East northeast winds increasing to 20 to 25 knots. Occasional gusts to gale force possible. Seas building to 6 to 8 feet with occasional seas up to 10 feet. Dominant period 7 seconds. Inland waters becoming very rough. A chance of showers.
Tonight..East winds 20 knots. Seas 5 to 7 feet with occasional seas up to 9 feet. Dominant period 7 seconds. Inland waters rough. A slight chance of showers in the evening.
Friday..East winds 15 to 20 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant period 8 seconds. Inland waters choppy.
Friday night..East southeast winds 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 8 seconds. Inland waters a moderate chop.
Saturday..Southeast winds 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Inland waters a moderate chop.
Saturday night..Southeast winds 10 to 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Inland waters a light chop.
Sunday through Monday..Southeast winds 5 to 10 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Inland waters mostly smooth.
AMZ400 Synopsis For Altamaha Sound Ga To Flagler Beach Fl Out To 60 Nm- 338 Am Edt Thu Mar 23 2017
Synopsis.. Strong high pressure will build southeastward from the ohio valley to the mid-atlantic coast today. Onshore winds will strengthen this morning...with occasional gusts near gale force through tonight. High pressure will continue moving slowly southeastward tonight...emerging into the atlantic waters north of our region...while gradually weakening. Onshore winds will continue on Friday and Saturday with speeds and seas gradually diminishing.

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 230028
afdjax
area forecast discussion
national weather service jacksonville fl
828 pm edt Wed mar 22 2017

Update Backdoor cold front has moved across SE ga and NE fl
this evening bringing gusty NE winds and cooler temperatures.

Winds will stay up overnight with temperatures falling into the
50s... And lower 60s over southern zones. Windy and cooler
temperatures will continue on Thursday especially near the east
coast as strong high pressure builds over the eastern seaboard.

Aviation Vfr conditions this evening with NE winds around 10
knots. MVFR CIGS with vcsh possible after 06z tonight into
Thursday as atlantic moisture increases. NE winds will increase
again after 12z with gusts to 25 knots.

Marine Advisory conditions will continue into Friday as tight
pressure gradient produces strong onshore winds and building seas.

Rip currents: moderate to high risk.

Preliminary point temps/pops
Amg 53 68 51 75 / 10 10 0 0
ssi 57 64 57 69 / 10 0 10 10
jax 57 68 54 73 / 10 10 10 10
sgj 61 69 59 72 / 30 20 10 10
gnv 58 72 54 76 / 10 10 0 0
ocf 61 74 54 77 / 10 20 0 0

Jax watches/warnings/advisories
Fl... None.

Ga... None.

Am... Small craft advisory until noon edt Friday 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-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.

Zibura/kennedy/corless


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
NFDF1 13 mi48 min NE 8.9 G 12 66°F 1023.3 hPa
DMSF1 15 mi48 min 66°F
JXUF1 16 mi48 min 65°F
BLIF1 16 mi48 min NE 13 G 17 66°F 1023.5 hPa60°F
FRDF1 - 8720030 - Fernandina Beach, FL 17 mi48 min NNE 8 G 15 65°F 64°F1024 hPa
MYPF1 - 8720218 - Mayport (Bar Pilots Dock), FL 20 mi48 min NE 15 G 17 65°F 64°F1023.1 hPa
LTJF1 20 mi48 min 66°F 59°F
41112 - Offshore Fernandina Beach, FL (132) 26 mi48 min 64°F4 ft
BKBF1 26 mi48 min NE 11 G 14 67°F 67°F
SAUF1 - St. Augustine, FL 55 mi78 min N 11 G 12 66°F 66°F1023 hPa (+0.3)
SAXG1 - Sapelo Island Reserve, GA 64 mi78 min NE 12 62°F 1025 hPa (+1.0)57°F

Wind History for Fernandina Beach, FL
(wind in knots)    EDIT      (on/off)   Help
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W6
G10
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G7

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Jacksonville, Jacksonville International Airport, FL5 mi82 minNE 810.00 miMostly Cloudy63°F57°F81%1023.2 hPa
Jacksonville Craig Municipal Airport, FL20 mi25 minNE 1110.00 miA Few Clouds65°F55°F73%1022.6 hPa
Mayport, Mayport Naval Station, Adm David L. McDonald Field, FL20 mi26 minNNE 1310.00 miMostly Cloudy65°F59°F81%1022.5 hPa
Jacksonville Naval Air Station, FL23 mi85 minNE 1110.00 miMostly Cloudy66°F57°F75%1022.6 hPa

Wind History from JAX (wind in knots)
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Last 24hrW6W5W6SW7W7W15W12NW12W7NW12N9N14
G18
E18
G26
E17E18E12E10E10NE6NE5NE9NE9NE8NE9
1 day agoS3SW4SW4SW4SW6SW8W8W9W10
G18
W12SW10
G16
W13
G18
SW11
G19
SW9SW11SW8SW13SW11SW8SW9SW9SW7W8SW9
2 days agoCalmCalmCalmCalmN3NE3CalmS43NW4NE4SE6E10SE8SE10SE6SE4S4S4S3CalmCalmS3SW3

Tide / Current Tables for Boggy Creek, 2 mi. above entrance, Florida
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Boggy Creek
Click for Map
Thu -- 02:56 AM EDT     0.67 feet Low Tide
Thu -- 04:23 AM EDT     Moonrise
Thu -- 07:26 AM EDT     Sunrise
Thu -- 09:16 AM EDT     2.85 feet High Tide
Thu -- 03:24 PM EDT     Moonset
Thu -- 03:45 PM EDT     0.62 feet Low Tide
Thu -- 07:40 PM EDT     Sunset
Thu -- 09:34 PM EDT     2.73 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.51.10.80.70.91.31.82.32.72.82.82.521.510.70.60.91.41.92.42.72.72.5

Tide / Current Tables for St. Johns River Entrance, Florida Current
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St. Johns River Entrance
Click for Map
Thu -- 01:16 AM EDT     0.00 knots Slack
Thu -- 03:52 AM EDT     1.86 knots Max Flood
Thu -- 04:22 AM EDT     Moonrise
Thu -- 07:25 AM EDT     Sunrise
Thu -- 07:25 AM EDT     -0.00 knots Slack
Thu -- 10:03 AM EDT     -1.74 knots Max Ebb
Thu -- 02:06 PM EDT     0.00 knots Slack
Thu -- 03:23 PM EDT     Moonset
Thu -- 04:25 PM EDT     1.50 knots Max Flood
Thu -- 07:39 PM EDT     Sunset
Thu -- 07:41 PM EDT     -0.00 knots Slack
Thu -- 10:17 PM EDT     -1.82 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-1-0.20.71.61.91.510.4-0.6-1.5-1.7-1.6-1.4-0.9-0.10.81.41.410.5-0.3-1.3-1.8-1.7

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.