Sunday, December8, 2019
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Marine Weather and Tides
Upper 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 6:25AMSunset 4:43PM Sunday December 8, 2019 6:40 AM CST (12:40 UTC) Moonrise 3:36PMMoonset 3:53AM Illumination 88% Phase: Waxing Gibbous; Moon at 11 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 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- 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- 231 Am Cst Sun Dec 8 2019
.small craft advisory in effect through this afternoon...
Today..Southeast winds 20 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant period 6 seconds. Protected waters choppy. Chance of showers in the morning. Slight chance of showers in the afternoon.
Tonight..Southeast winds 15 to 20 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 5 seconds. Protected waters choppy. Chance of showers.
Monday..Southwest winds 15 knots. Seas 2 to 4 feet. Dominant period 6 seconds. Protected waters a moderate chop. Chance of showers.
Monday night through Tuesday night..South winds 10 to 15 knots. Seas 2 to 3 feet. Dominant period 5 seconds. Protected waters a light to moderate chop. Slight chance of showers.
Wednesday..Northeast winds 15 to 20 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Protected waters choppy. Chance of showers and slight chance of Thunderstorms.
Wednesday night and Thursday..East winds 20 to 25 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Protected waters choppy. Chance of showers and slight chance of Thunderstorms.
GMZ700 Synopsis For The Suwannee River To Okaloosa-walton County Line Out To 60 Nm 331 Am Est Sun Dec 8 2019
Synopsis..Winds and seas near a weak surface low in the gulf will briefly increase to advisory levels today. By this evening, cautionary conditions should prevail and last through Monday night. A brief period of sub-headline conditions are expected on Tuesday before winds and seas pick back up to advisory levels, and remain there through the end of the week.


7 Day Forecast for Marine Location Near Upper Grand Lagoon, FL
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location: 30.17, -85.76     debug


Area Discussion for -
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FXUS62 KTAE 081132 AFDTAE

Area Forecast Discussion National Weather Service Tallahassee FL 632 AM EST Sun Dec 8 2019

AVIATION. [Through 12Z Monday]

Low ceilings are beginning to spread westward quickly from southeast GA. Expect IFR at VLD very shortly, followed by IFR/MVFR spreading west and becoming predominantly MVFR later today and for the remainder of the TAF.

PREV DISCUSSION [330 AM EST].

NEAR TERM [Through Today].

Surface ridging spanning the Eastern Seaboard will spread southwest into the Tri-State region while a weak surface low gradually moves WNW along the Panhandle and AL coasts. While isentropic surfaces will have a decent slope to them, winds won't quite be directed upslope locally and thus we'll primarily be dealing with low cloudiness today and not rain. Even though it will be rather cloudy, expect temperatures to climb into the upper 60s to low 70s this side of the wedge front.

SHORT TERM [Tonight Through Tuesday].

As the aforementioned surface low moves inland and dissipates over western Alabama, flow in the Gulf will turn southerly. This will advect a warmer airmass towards the coastline overnight and result in more upslope oriented vectors. Thus, expect rain coverage to increase from west to east and work inland through the overnight hours. Rain will slowly come to an end on Monday as the thermal gradient moves north out of the region. On Tuesday, another low- level wind surge is expected to result in scattered rain initiating along a developing warm/coastal front ahead of an approaching cold front. Temperatures will continue warming through early this week, nearing 80 degrees on Tuesday afternoon.

LONG TERM [Tuesday Night Through Sunday].

A shortwave moving through the Mississippi Valley earlier in the week will have assisted in the development of a frontal boundary forecast to stretch from the western Gulf through the Mid-Atlantic to start the period. By Wednesday, another shortwave will move through the Southern Plains and Lower Mississippi Valley. This wave will keep the upper pattern amplified and result in the continue progression of the cold front through the local area on Wednesday. With the northern wave out of the picture and the approaching wave lagging the front, expect a weakening trend in convection along it as it moves through the region. However, sometime Wednesday night or Thursday as the upper wave moves through the Southeast, expect a large area of rain behind the front. The wet pattern looks to continue into next weekend as the front is forecast to stall in the Gulf, with isentropic rain and possibly another Gulf low moving back to the north.

MARINE.

Winds and seas near a weak surface low in the Gulf will briefly increase to Advisory levels today. By this evening, Cautionary conditions should prevail and last through Monday night. A brief period of sub-headline conditions are expected on Tuesday before winds and seas pick back up to Advisory levels, and remain there through the end of the week.

FIRE WEATHER.

Hazardous fire weather conditions are not expected through the upcoming week.

HYDROLOGY.

While a period of wet conditions are expected through the next week, rainfall amounts are forecast to be rather low through mid- week. As an upper level wave moves through the Southeast late this week, an inch or two of rain is possible on average across the Tri-State region. For now, flooding is not expected to be a concern.

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 73 55 77 60 79 / 0 10 30 10 30 Panama City 71 61 75 63 77 / 10 50 40 10 40 Dothan 67 57 76 59 78 / 0 30 30 10 60 Albany 66 55 77 62 79 / 10 10 20 10 50 Valdosta 71 55 79 60 81 / 10 10 10 10 20 Cross City 75 55 78 57 80 / 10 10 10 10 10 Apalachicola 69 61 74 62 75 / 0 40 40 10 30

TAE WATCHES/WARNINGS/ADVISORIES. FL . High Rip Current Risk through late tonight for Coastal Bay- Coastal Franklin-Coastal Gulf-South Walton.

GA . None. AL . None. GM . Small Craft Advisory until 6 PM CST this evening for Coastal waters from Mexico Beach to Apalachicola FL out 20 NM- Coastal waters from Mexico Beach to Okaloosa Walton County Line FL out 20 NM-Waters from Apalachicola to Mexico Beach FL from 20 to 60 NM-Waters from Mexico Beach to Okaloosa Walton County Line FL from 20 to 60 NM.



NEAR TERM . Harrigan SHORT TERM . Harrigan LONG TERM . Harrigan AVIATION . Harrigan MARINE . Harrigan FIRE WEATHER . Harrigan HYDROLOGY . Harrigan


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PACF1 - 8729108 - Panama City, FL 5 mi52 min ENE 7 G 11 62°F
PCBF1 7 mi58 min E 6 G 11 59°F 64°F1022 hPa
APCF1 - 8728690 - Apalachicola, FL 52 mi52 min E 8.9 G 15 60°F 60°F1022.1 hPa
APXF1 - Apalachicola Reserve, FL 53 mi55 min E 8 1023 hPa

Wind History for Panama City, FL
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Tyndall Air Force Base, FL11 mi1.7 hrsE 710.00 miA Few Clouds58°F52°F81%1021.6 hPa
Panama City - Northwest Florida Beaches International Airport, FL13 mi47 minENE 810.00 miOvercast59°F50°F72%1022.9 hPa

Link to 5 minute data for KPAM

Wind History from PAM (wind in knots)
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Last 24hrN6NE3NE5NE7NE7E7--E6E3E6E5E6E6NE4E5E3E4E5E6E8E6E7E7E9
1 day agoE4E5E9E8SE8SE10S13S15SE13SE12SE7SE6E11E5CalmNE3CalmCalmCalmE3NE3N4N6NE4
2 days agoCalmCalmNE5NE5CalmCalmW4SW7SW6SW4SW3CalmCalmCalmCalmCalmE3E3E3CalmE4E5E6E6

Tide / Current Tables for Alligator Bayou, St. Andrew Bay, Florida
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


Tide / Current Tables for Panama City Beach, Florida
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Panama City Beach
Click for Map
Sun -- 02:53 AM CST     Moonset
Sun -- 02:55 AM CST     0.11 feet Low Tide
Sun -- 06:27 AM CST     Sunrise
Sun -- 02:36 PM CST     Moonrise
Sun -- 04:43 PM CST     Sunset
Sun -- 06:03 PM CST     1.08 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.30.20.10.10.10.10.20.20.30.40.40.40.50.60.70.911.11.11.110.90.70.5

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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for (7,2,3,4)
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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.