Wednesday, March20, 2019 L-36.com


Marine Weather and Tides
Callahan, 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 7:28AMSunset 7:38PM Wednesday March 20, 2019 10:28 PM EDT (02:28 UTC) Moonrise 6:26PMMoonset 6:27AM Illumination 100% Phase: Full Moon; Moon at 15 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:201903210915;;676621 Fzus52 Kjax 210115 Cwfjax Coastal Waters Forecast For Northeast Florida/southeast Georgia National Weather Service Jacksonville Fl 915 Pm Edt Wed Mar 20 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. Amz450-452-454-210915- 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- 915 Pm Edt Wed Mar 20 2019
Rest of tonight..North northeast winds 10 to 15 knots becoming northwest 5 to 10 knots after midnight. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 9 seconds. Inland waters a light chop.
Thursday..West southwest winds 10 to 15 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant period 10 seconds. Inland waters a light chop.
Thursday night..West northwest winds 15 to 20 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant period 10 seconds. Inland waters choppy.
Friday..West winds 10 to 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 10 seconds. Inland waters a light chop.
Friday night..West northwest winds 10 to 15 knots. Seas 2 to 4 feet. Inland waters a moderate chop.
Saturday..North winds 10 to 15 knots becoming east northeast 5 to 10 knots in the afternoon. Seas 2 to 4 feet. Inland waters a light chop.
Saturday night and Sunday..East southeast winds 5 to 10 knots. Seas 2 to 3 feet. Inland waters mostly smooth.
Sunday night and Monday..South southeast winds 5 to 10 knots. Seas 2 to 3 feet. Inland waters mostly smooth.
AMZ400 Synopsis For Altamaha Sound Ga To Flagler Beach Fl Out To 60 Nm- 915 Pm Edt Wed Mar 20 2019
Synopsis.. Northeast flow will weaken tonight and Thursday as weak high pressure builds into the region. An area of low pressure will push offshore north of the waters Thursday night and increase the winds and seas into Friday. High pressure will build northwest of the waters over the weekend with diminishing winds and seas.
Gulf stream.. The approximate location of the west wall of the gulf stream as of mar 21, 2019 at 1200 utc... 59 nautical miles east of flagler beach. 72 nautical miles east of saint augustine beach. 82 nautical miles east of jacksonville beach. 94 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 210104
afdjax
area forecast discussion
national weather service jacksonville fl
904 pm edt Wed mar 20 2019

Update
Low to mid clouds are hanging in over florida and are anticipated
to dissipate after midnight. This should allow decent radiational
cooling overnight, and especially over southeast georgia where it
has already cleared out. Lows will be in the mid to upper 40s
inland and no significant fog formation is expected overnight.

Aviation
Vfr conditions expected at all fields for the next 24 hours.

Marine
As low pressure to the north of the area moves away, winds and
seas will decrease over the nearshore waters but will take longer
to subside for the offshore portion. Will maintain the small craft
advisory beyond 20 nm with this package.

Coastal flooding depatures have dropped significantly and with
winds becoming more offshore on Thursday only expect to touch
"action stage" and feel all coastal flood advisory products can be
discontinued at 11 p.M.

Rip currents: moderate risk on Thursday as winds subside and
become more offshore.

Fire weather Afternoon dispersions will be high Thursday with
most locations having dispersions near 100. Dispersions will be
somewhat lower Friday but still elevated to high. Min rh's will
fall to around 30 percent with sustained winds of 15 mph across
inland southeast georgia Thursday. Min rh's will be 25 to 30 percent
area wide Friday but sustained winds will be less than 15 mph.

Preliminary point temps pops
Amg 40 71 42 70 0 0 0 0
ssi 48 70 50 69 0 0 0 0
jax 45 74 46 74 0 0 0 0
sgj 49 72 50 72 0 0 0 0
gnv 44 74 45 73 0 0 0 0
ocf 45 74 45 73 0 0 0 0

Jax watches warnings advisories
Fl... High rip current risk until 11 pm edt this evening for coastal
duval-coastal flagler-coastal nassau-coastal st. Johns.

High surf advisory until 11 pm edt this evening for coastal
duval-coastal flagler-coastal nassau-coastal st. Johns.

Coastal flood advisory until 11 pm edt this evening for coastal
duval-coastal flagler-coastal nassau-coastal st. Johns.

Ga... High rip current risk until 11 pm edt this evening for coastal
camden-coastal glynn.

High surf advisory until 11 pm edt this evening for coastal
camden-coastal glynn.

Coastal flood advisory until 11 pm edt this evening for coastal
camden-coastal glynn.

Am... Small craft advisory until 11 am edt Friday 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.

Sandrik mcginnis


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
BLIF1 16 mi59 min Calm G 1 58°F 1019.8 hPa50°F
FRDF1 - 8720030 - Fernandina Beach, FL 17 mi59 min Calm G 1 57°F 62°F1019.4 hPa
LTJF1 20 mi59 min 58°F 48°F
MYPF1 - 8720218 - Mayport (Bar Pilots Dock), FL 20 mi59 min E 2.9 G 2.9 58°F 63°F1018.6 hPa
41112 - Offshore Fernandina Beach, FL (132) 26 mi59 min 62°F4 ft
SAUF1 - St. Augustine, FL 55 mi89 min NNE 8 G 8.9 60°F 63°F1018.4 hPa (+0.0)49°F
SAXG1 - Sapelo Island Reserve, GA 64 mi89 min Calm 53°F 1019 hPa (+1.0)49°F

Wind History for Fernandina Beach, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Jacksonville International Airport, FL5 mi33 minN 010.00 miA Few Clouds52°F46°F80%1018.5 hPa
Fernandina Beach Municipal Airport, FL15 mi34 minN 010.00 miMostly Cloudy53°F48°F85%1019 hPa
Jacksonville Craig Municipal Airport, FL20 mi36 minN 010.00 miPartly Cloudy52°F48°F89%1018.7 hPa
Mayport Naval Station - Adm David L. McDonald Field, FL20 mi37 minE 310.00 miPartly Cloudy57°F46°F69%1018.6 hPa
Jacksonville Naval Air Station, FL23 mi36 minENE 310.00 miA Few Clouds59°F46°F64%1018.5 hPa

Wind History from JAX (wind in knots)
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Last 24hrNE10NE10NE11
G18
NE11NE11N9N9N7N6N6N8N9NE7N8N7NE6N6N9E7E8E7E5SE3Calm
1 day agoCalmCalmSW3CalmN6N8N8N5N5N5N7NE15
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2 days agoNW6N5N5N4N4N5N6N4N6N7N7N6N9NE11N13NE10NE9E5E6E6NE4CalmCalmN4

Tide / Current Tables for Boggy Creek, 2 mi. above entrance, Florida
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Boggy Creek
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Wed -- 12:12 AM EDT     3.44 feet High Tide
Wed -- 06:28 AM EDT     -1.09 feet Low Tide
Wed -- 07:26 AM EDT     Moonset
Wed -- 07:30 AM EDT     Sunrise
Wed -- 12:39 PM EDT     3.66 feet High Tide
Wed -- 06:56 PM EDT     -0.98 feet Low Tide
Wed -- 07:26 PM EDT     Moonrise
Wed -- 07:38 PM EDT     Sunset
Wed -- 09:43 PM EDT     Full Moon
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.43.32.71.70.6-0.4-1-1-0.30.81.92.93.53.63.22.31.20.1-0.7-1-0.60.41.52.5

Tide / Current Tables for St. Johns River Entrance, Florida Current (3)
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St. Johns River Entrance
Click for Map
Wed -- 01:35 AM EDT     -2.50 knots Max Ebb
Wed -- 05:22 AM EDT     0.00 knots Slack
Wed -- 07:26 AM EDT     Moonset
Wed -- 07:30 AM EDT     Sunrise
Wed -- 08:05 AM EDT     3.05 knots Max Flood
Wed -- 11:12 AM EDT     -0.00 knots Slack
Wed -- 02:04 PM EDT     -2.51 knots Max Ebb
Wed -- 05:48 PM EDT     0.00 knots Slack
Wed -- 07:25 PM EDT     Moonrise
Wed -- 07:37 PM EDT     Sunset
Wed -- 08:30 PM EDT     3.02 knots Max Flood
Wed -- 09:43 PM EDT     Full Moon
Wed -- 11:35 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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-1.8-2.4-2.5-2.1-1.4-0.512.432.71.80.4-1.2-2.2-2.5-2.3-1.7-0.90.31.82.92.92.21

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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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Jacksonville, FL (22,6,7,8)
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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.