Wednesday, January22, 2020
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Marine Weather and Tides
Lower Grand Lagoon, FL

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
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.

Sunrise 6:36AMSunset 5:11PM Wednesday January 22, 2020 9:09 AM CST (15:09 UTC) Moonrise 5:49AMMoonset 4:16PM Illumination 7% Phase: Waning Crescent; Moon at 27 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:202001221530;;331236 Fzus52 Ktae 220859 Cwftae Coastal Waters Forecast For Florida Big Bend And Eastern Panhandle National Weather Service Tallahassee Fl 359 Am Est Wed Jan 22 2020 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. Gmz730-750-752-755-765-770-772-775-221530- 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- 359 Am Est Wed Jan 22 2020 /259 Am Cst Wed Jan 22 2020/
.small craft advisory in effect until 10 am est /9 am cst/ this morning...
Today..Northeast winds 20 knots early, becoming 10 to 15 knots by the late morning. Seas 3 to 5 feet with occasional seas up to 6 feet subsiding to 2 to 3 feet. Dominant period 4 seconds in the afternoon. Protected waters a moderate chop.
Tonight..East winds 15 to 20 knots. Seas 2 to 3 feet. Dominant period 4 seconds. Protected waters a moderate chop.
Thursday..East winds 15 knots. Seas 2 to 3 feet. Dominant period 4 seconds. Protected waters a moderate chop. Chance of showers with a slight chance of Thunderstorms.
Thursday night..South winds 15 knots. Seas 2 to 3 feet. Dominant period 4 seconds. Protected waters a moderate chop. Chance of showers in the evening. Rain showers with a slight chance of Thunderstorms.
Friday..West winds 15 knots. Seas 2 to 4 feet. Dominant period 4 seconds. Protected waters a moderate chop. Chance of showers and slight chance of Thunderstorms.
Friday night..Northwest winds 15 knots. Seas 2 to 4 feet. Protected waters a moderate chop.
Saturday..Northwest winds 10 to 15 knots. Seas 2 to 3 feet. Protected waters a light chop.
Saturday night..North winds 10 to 15 knots. Seas 1 to 2 feet. Protected waters a light chop.
Sunday..North winds 10 knots. Seas 1 to 2 feet. Protected waters a light chop.
GMZ700 Synopsis For The Suwannee River To Okaloosa-walton County Line Out To 60 Nm 359 Am Est Wed Jan 22 2020
Synopsis.. Small craft advisories over all our waters is due to expire this morning as marine conditions are forecast to relax to around cautionary levels through Sat afternoon. Thereafter, winds around 10 knots and 1-2 ft seas will make for favorable marine conditions for the remainder of the period.


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 221119 AFDTAE

Area Forecast Discussion National Weather Service Tallahassee FL 619 AM EST Wed Jan 22 2020

AVIATION. [Through 12Z Thursday]

VFR conditions are expected through the TAF forecast period. High clouds will increase during the day and into tonight.

PREV DISCUSSION [353 AM EST].

NEAR TERM [Through Today].

Temperatures this morning are around 30 and will drop into the upper 20s before sunrise. Temperatures have been a little slower to drop this morning since winds have remained around 5kts. A wind chill advisory remains in effect for the eastern portion of the CWA through 9am EST. Regardless of if you are in the advisory or not, make sure to layer if you are spending any time outdoors this morning.

Surface high pressure centered across the eastern CONUS will continue to dominate today with another dry day forecast across the region. Highs will only reach into the 50s, around 10 degrees below normal.

SHORT TERM [Wednesday Night Through Friday].

Dry conditions continue through early Thurs before coming to an end as an amplifying upper-level trough digs southeast from the Plains. This feature will aid in the development of a low-pressure system at the surface that is forecast to race up the OH/TN valley and drag a cold front to its south. The front is expected to arrive at our area Thurs night and bring a line of showers and possibly some thunderstorms. Rain subsequently returns to the forecast with a slight chance of thunder in the short-term period. The highest PoPs are in the western FL Panhandle & marine zones, and AL counties late Thurs. Elevated PoPs then shift eastward with the front's progression Fri morning and into the afternoon.

Slight and temporary warming is expected before the cold front passes with high temperatures mostly in the 60s on Thurs and climbing to around 70 on Fri. Lately, the NBM has shown a cold bias for min T just before frontal passage, so decided to blend in some Euro guidance to show slightly warmer pre-frontal temperatures with lows in the low 40s.

LONG TERM [Friday Night Through Wednesday].

The aforementioned cold front should exit our area Fri evening and leave behind a cooler and drier airmass in its wake. Therefore, mostly clear skies are expected on Sat as surface high pressure builds over our area. By Sun, some tropical moisture gets advected from the TX coast to the northern Gulf coast but appears to remain mostly offshore, so kept low-end PoPs in the forecast, but any rain that occurs will likely be confined to the coastal and marine zones through early Mon. The remainder of the long-term period is expected to be cool and dry with highs in the 60s and lows in the 40s.

MARINE.

Small-Craft Advisories over all our waters are due to expire this morning as marine conditions are forecast to relax to around cautionary levels through Sat afternoon. Thereafter, winds around 10 knots and 1-2 ft seas will make for favorable marine conditions for the remainder of the period.

FIRE WEATHER.

While RH values will be on the lower side today, around 30%, red flag conditions will not be met. RH values will increase for Thursday ahead of the next system that will move through Thursday night into Friday.

HYDROLOGY.

Not much rainfall is anticipated this period. The QPF generally shows less than 0.5" accumulations, though some areas in the western FL Panhandle may see isolated amounts of up to 1". Meanwhile, the Apalachicola River - Blountstown continues to be in minor flood stage from dam releases. Otherwise, there are no flooding concerns.

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 56 43 65 51 72 / 0 0 10 50 40 Panama City 55 45 64 56 69 / 0 0 20 70 40 Dothan 51 41 57 50 64 / 0 0 20 70 40 Albany 51 39 58 49 67 / 0 0 10 70 40 Valdosta 54 42 63 50 70 / 0 0 10 40 30 Cross City 57 46 68 51 73 / 0 0 0 20 30 Apalachicola 55 47 63 56 69 / 0 0 10 70 50

TAE WATCHES/WARNINGS/ADVISORIES. FL . Wind Chill Advisory until 9 AM EST this morning for Coastal Dixie-Coastal Taylor-Inland Dixie-Inland Jefferson-Inland Taylor-Lafayette-Madison.

GA . Wind Chill Advisory until 9 AM EST this morning for Baker-Ben Hill-Berrien-Brooks-Colquitt-Cook-Dougherty-Grady-Irwin- Lanier-Lee-Lowndes-Mitchell-Terrell-Thomas-Tift-Turner- Worth.

AL . None. GM . Small Craft Advisory until 10 AM EST /9 AM CST/ this morning for Apalachee Bay or Coastal Waters From Keaton Beach to Ochlockonee River FL out to 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- 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 Suwannee River to Apalachicola FL from 20 to 60 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 . Fieux SHORT TERM . IG LONG TERM . IG AVIATION . Fieux MARINE . IG FIRE WEATHER . Fieux HYDROLOGY . IG


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PACF1 - 8729108 - Panama City, FL 5 mi51 min 56°F
PCBF1 10 mi57 min 35°F 60°F1027.5 hPa
APCF1 - 8728690 - Apalachicola, FL 48 mi51 min 35°F 53°F1026.6 hPa
APXF1 - Apalachicola Reserve, FL 50 mi84 min NNE 7 1027 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 mi73 minNNE 810.00 miFair35°F20°F55%1027.1 hPa
Panama City - Northwest Florida Beaches International Airport, FL17 mi76 minNNW 410.00 miFair33°F21°F64%1028.1 hPa

Link to 5 minute data for KPAM

Wind History from PAM (wind in knots)
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2 days ago----------N9N9N9N8N8N5N7N7N10N8N9N11N8N8N8
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Tide / Current Tables for Channel entrance, St. Andrew Bay, Florida
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Channel entrance
Click for Map
Wed -- 04:48 AM CST     Moonrise
Wed -- 05:38 AM CST     -0.72 feet Low Tide
Wed -- 06:38 AM CST     Sunrise
Wed -- 03:16 PM CST     Moonset
Wed -- 05:10 PM CST     Sunset
Wed -- 07:35 PM CST     1.32 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.30-0.3-0.5-0.6-0.7-0.7-0.7-0.6-0.5-0.3-0.10.10.30.50.70.91.11.21.31.31.21.10.8

Tide / Current Tables for Parker, St. Andrew Bay, Florida
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Parker
Click for Map
Wed -- 04:48 AM CST     Moonrise
Wed -- 06:37 AM CST     Sunrise
Wed -- 08:02 AM CST     -0.86 feet Low Tide
Wed -- 03:15 PM CST     Moonset
Wed -- 05:10 PM CST     Sunset
Wed -- 09:01 PM CST     1.59 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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10.70.30-0.3-0.5-0.7-0.8-0.9-0.8-0.7-0.6-0.4-0.20.10.40.70.91.21.41.51.61.51.4

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 (10,2,3,4)
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Ground Weather Radar Station Northwest Florida
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Gulf Stream Current


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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 numerous 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.