Sunday, December15, 2019
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Marine Weather and Tides
Lower Grand Lagoon, 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 6:29AMSunset 4:45PM Sunday December 15, 2019 10:39 AM CST (16:39 UTC) Moonrise 9:24PMMoonset 10:37AM Illumination 84% Phase: Waning Gibbous; Moon at 19 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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GMZ750 Expires:201912152230;;825171 Fzus52 Ktae 151449 Cwftae Coastal Waters Forecast For Florida Big Bend And Eastern Panhandle National Weather Service Tallahassee Fl 949 Am Est Sun Dec 15 2019 Gulf Coastal Waters From The Mouth Of The Suwannee River To Okaloosa-walton County Line 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. Gmz730-750-752-755-765-770-772-775-152230- Apalachee Bay Or Coastal Waters From Keaton Beach To Ochlockonee River Fl Out To 20 Nm- Coastal Waters From Mexico Beach To Okaloosa Walton County Line Fl Out 20 Nm- Coastal Waters From Mexico Beach To Apalachicola Fl Out 20 Nm- Coastal Waters From Ochlockonee River To Apalachicola Fl Out To 20 Nm- Coastal Waters From Suwannee River To Keaton Beach Fl Out 20 Nm- Waters From Mexico Beach To Okaloosa Walton County Line Fl From 20 To 60 Nm- Waters From Apalachicola To Mexico Beach Fl From 20 To 60 Nm- Waters From Suwannee River To Apalachicola Fl From 20 To 60 Nm- 949 Am Est Sun Dec 15 2019 /849 Am Cst Sun Dec 15 2019/
Rest of today..Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Dominant period 4 seconds. Protected waters a light chop.
Tonight..Southeast winds 15 knots. Seas 2 to 3 feet. Dominant period 4 seconds. Protected waters a moderate chop.
Monday..South winds 10 to 15 knots. Seas 2 to 4 feet. Dominant period 4 seconds. Protected waters a moderate chop. Slight chance of showers in the afternoon.
Monday night..South winds 15 knots. Seas 2 to 4 feet. Dominant period 4 seconds. Protected waters a moderate chop. Chance of showers and Thunderstorms.
Tuesday..Southwest winds 10 to 15 knots becoming northwest 15 to 20 knots in the afternoon. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 5 seconds. Protected waters a moderate chop. Rain showers in the morning. Chance of Thunderstorms through the day. Rain showers likely in the afternoon.
Tuesday night..North winds 25 knots. Seas 5 to 7 feet with occasional seas up to 9 feet. Protected waters rough. Chance of showers in the evening, then slight chance of rain showers after midnight.
Wednesday..North winds 20 to 25 knots. Seas 5 to 7 feet with occasional seas up to 9 feet. Protected waters choppy.
Wednesday night..Northeast winds 20 to 25 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Protected waters choppy.
Thursday..Northeast winds 15 to 20 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Protected waters a moderate chop.
GMZ700 Synopsis For The Suwannee River To Okaloosa-walton County Line Out To 60 Nm 949 Am Est Sun Dec 15 2019
Synopsis.. Exercise caution conditions will be possible over the offshore waters tonight into Monday. A frontal system will move through Tuesday with strong northerly winds and advisory level conditions Tuesday through Wednesday night. Although wind speeds will decrease, exercise caution conditions may linger in the offshore waters into Friday.


7 Day Forecast for Marine Location Near Lower Grand Lagoon, FL
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location: 30.11, -85.74     debug


Area Discussion for -
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FXUS62 KTAE 151447 AFDTAE

Area Forecast Discussion National Weather Service Tallahassee FL 947 AM EST Sun Dec 15 2019

UPDATE.

Except for a few clouds across southeast Alabama and portions of the southwest Georgia, skies are clear this morning. Will be a nice day in terms of the weather with afternoon temperatures warming into the upper 60s to lower 70s.

PREV DISCUSSION [628 AM EST].

NEAR TERM [Through Today].

As the eastern CONUS shortwaves moves off the Northeast coast, flow aloft will become zonal across the Southeast. At the surface, high pressure will veer low-level winds to south/southeasterly. Expect morning fog to scatter shortly after sunrise, with skies clearing and highs reaching the upper 60s to around 70 degrees.

SHORT TERM [Tonight Through Tuesday].

Sunday night into Monday will be dry with surface high pressure in the western Atlantic holding tough ahead of an approaching cold front. The supporting positively-tilted mid level trough will dive southward toward the Gulf coast as a ridge of high pressure builds over the western US. The front appears to arrive during the day Tuesday. SPC has a day 2 marginal to slight risk over our western zones for late Monday and Monday night. As we head into Tuesday, moisture, convergence, and upper dynamics weaken. A few strong storms are possible, perhaps a marginally severe storm cannot be ruled out, but a widespread severe threat appears minimal at this time Tuesday.

LONG TERM [Tuesday Night Through Sunday].

Leftover rainfall will push out of the Big Bend Tuesday evening with a period of dry and tranquil weather Wednesday through Thursday night. Flow becomes southwesterly ahead of the next system to affect the area late Friday into possibly Sunday as the supporting upper low dives through the southeast CONUS.

AVIATION. [Through 12Z Monday]

DHN is currently impacted by either MVFR/IFR while on and off MVFR visibilities are present at ABY and VLD. The widespread nature of ceiling and visibility restrictions did not pan out, and the TAF now carries a brief period of MVFR at the aforementioned terminals through 13z, and IFR possible at DHN. After 13-14z VFR should prevail through much of tonight.

MARINE.

Exercise caution conditions will be possible over the offshore waters tonight into Monday. A frontal system will move through Tuesday with strong northerly winds and advisory level conditions Tuesday through Wednesday night. Although wind speeds will decrease, exercise caution conditions may linger in the offshore waters into Friday.

FIRE WEATHER.

Hazardous fire weather conditions are not expected over the next several days.

HYDROLOGY.

The next frontal system to affect the Tri-State region will be Tuesday. On average, expected rainfall amounts will be on the order of an inch or less. Widespread flooding is not expected.

SPOTTER INFORMATION STATEMENT.

Spotter activation is not requested. However, spotters are always encouraged to safely report significant weather conditions when they occur by calling the office or tweeting us @NWSTallahassee.

PRELIMINARY POINT TEMPS/POPS.

Tallahassee 70 49 75 61 74 / 0 0 10 50 80 Panama City 70 57 75 62 71 / 0 0 20 80 80 Dothan 68 50 75 57 66 / 0 0 20 80 80 Albany 67 49 75 62 71 / 0 0 0 70 80 Valdosta 69 48 77 61 75 / 0 0 0 30 70 Cross City 71 50 78 60 77 / 0 0 0 20 70 Apalachicola 68 57 73 64 71 / 0 0 10 60 80

TAE WATCHES/WARNINGS/ADVISORIES. FL . None. GA . None. AL . None. GM . None.

UPDATE . Fieux NEAR TERM . Harrigan SHORT TERM . Scholl LONG TERM . Scholl AVIATION . Harrigan MARINE . Scholl FIRE WEATHER . Harrigan HYDROLOGY . Scholl


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PACF1 - 8729108 - Panama City, FL 5 mi51 min ESE 6 G 12 61°F
PCBF1 10 mi63 min ESE 8 G 9.9 63°F 63°F1020.8 hPa
APCF1 - 8728690 - Apalachicola, FL 48 mi57 min ESE 7 G 8.9 62°F 61°F1021.6 hPa
APXF1 - Apalachicola Reserve, FL 50 mi114 min ESE 8.9 1021 hPa

Wind History for Panama City, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Tyndall Air Force Base, FL8 mi43 minE 810.00 miFair66°F56°F72%1020.9 hPa
Panama City - Northwest Florida Beaches International Airport, FL17 mi46 minE 610.00 miFair65°F54°F68%1021.5 hPa

Link to 5 minute data for KPAM

Wind History from PAM (wind in knots)
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Last 24hrNW7W4W6W7W9W7W6W6----NE3NE3CalmCalmSE5E3CalmE4E3E5E6E9E9E8
1 day ago--NE8--NE7NE7NE5NE4NE4E4N6N8N7N10NE6NE4NW4W3NW6NW11NW7NW9N8NW11NW7
2 days agoNE8NE7NE5NE7NE7NE5NE7NE7E7NE7N8NE6NE6NE6E7NE8NE7NE7NE8N7NE8NE7E7NE8

Tide / Current Tables for Channel entrance, St. Andrew Bay, Florida
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Channel entrance
Click for Map
Sun -- 06:31 AM CST     Sunrise
Sun -- 09:17 AM CST     -0.57 feet Low Tide
Sun -- 09:37 AM CST     Moonset
Sun -- 04:44 PM CST     Sunset
Sun -- 08:23 PM CST     Moonrise
Sun -- 11:10 PM CST     1.40 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.41.210.70.40.1-0.2-0.4-0.5-0.6-0.6-0.5-0.4-0.2-0.10.10.30.50.70.91.11.31.41.4

Tide / Current Tables for Parker, St. Andrew Bay, Florida
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Parker
Click for Map
Sun -- 06:31 AM CST     Sunrise
Sun -- 09:36 AM CST     Moonset
Sun -- 11:41 AM CST     -0.68 feet Low Tide
Sun -- 04:44 PM CST     Sunset
Sun -- 08:22 PM CST     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.81.71.61.41.10.80.40.1-0.2-0.4-0.6-0.7-0.7-0.6-0.5-0.3-0.10.20.40.711.21.41.6

Weather Map
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wmap_A
GEOS 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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for (11,2,3,4)
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Ground Weather Radar Station Northwest Florida
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weather_mapweather_map weather_map

Gulf Stream Current


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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.