Sunday, January19, 2020
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Marine Weather and Tides
Upper 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 6:37AMSunset 5:09PM Sunday January 19, 2020 6:34 AM CST (12:34 UTC) Moonrise 2:46AMMoonset 1:54PM Illumination 32% Phase: Waning Crescent; Moon at 24 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- Coastal Waters From Ochlockonee River To Apalachicola Fl Out To 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- 326 Am Est Sun Jan 19 2020 /226 Am Cst Sun Jan 19 2020/
.small craft advisory in effect from 7 am est /6 am cst/ this morning through Monday afternoon...
Today..West winds 15 to 20 knots becoming north 20 knots in the late morning and afternoon. Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant period 6 seconds. Protected waters choppy. Chance of showers and slight chance of Thunderstorms in the morning.
Tonight..North winds 20 to 25 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant period 5 seconds. Protected waters rough.
Monday..North winds 15 to 20 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant period 5 seconds. Protected waters choppy.
Monday night..North winds 20 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 5 seconds. Protected waters choppy.
Tuesday..North winds 15 to 20 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 5 seconds. Protected waters choppy.
Tuesday night..Northeast winds 20 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Protected waters choppy.
Wednesday..Northeast winds 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet subsiding to 2 to 3 feet in the afternoon. Protected waters a moderate chop.
Wednesday night..East winds 15 to 20 knots. Seas 2 to 4 feet. Protected waters a moderate chop.
Thursday..East 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.
GMZ700 Synopsis For The Suwannee River To Okaloosa-walton County Line Out To 60 Nm 326 Am Est Sun Jan 19 2020
Synopsis..Advisory conditions will return once again this morning behind the cold front and will persist at least through Monday afternoon. Periodic returns to advisory conditions will be possible through the week, with at least cautionary conditions prevailing.


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 191124 AFDTAE

Area Forecast Discussion National Weather Service Tallahassee FL 624 AM EST Sun Jan 19 2020

AVIATION. [Through 12Z Monday]

At 12Z, a cold front was located across SE AL and the FL Panhandle. The front will continue to move east through the early morning hours. As drier air moves in behind the front, expect any lingering showers and IFR/LIFR ceilings to quickly dissipate. Winds will shift to the northwest at around 10-15 mph behind the front. Gusty winds up to 20 mph are possible across the area this afternoon.

PREV DISCUSSION [326 AM EST].

NEAR TERM [Today].

A cold front will pass through the Tri-State region today, with clouds clearing in its wake. Showers and an isolated storm or two will be possible along the front as it progresses eastward, though severe weather is not expected. Temperatures won't follow a typical diurnal pattern today due to the frontal passage. Locations closer to the southeast Big Bend will warm through the morning and early afternoon ahead of the front and then fall through the late afternoon and evening. The western Big Bend and south-central Georgia will likely realize their high temperatures within a couple hours of sunrise with temperatures gradually falling thereafter. Further west, temperatures will fall through the morning and early afternoon in the wake of the front, but may climb a couple of degrees late today as a result of solar insolation.

SHORT TERM [Tonight Through Tuesday Night].

The eastern CONUS trough will remain established through the period, and will amplify on Tuesday as a shortwave moves into the Southeast. The position of the surface ridge axis will result in persistent north/northeasterly flow. The next three nights will feature temps below freezing, with Monday and Tuesday night likely to have widespread upper 20s across the region. Since winds will fail to go calm, wind chills each night will fall into the lower 20s and some locations across SE AL and SW GA could experience apparent temperatures below 20 (wind advisory criteria). The afternoons won't provide much relief from the cold as highs will struggle to reach 50 each day, and most likely won't across AL and much of GA.

LONG TERM [Wednesday Through Sunday].

A gradual warming trend will begin in the long range period as low-level flow begins to veer and heights rise. Late in the week and towards the weekend, another shortwave is forecast to move through the Plains and Mississippi Valley. This will likely result in increased rain chances at some point towards the end of the period. Timing is highly uncertain right now as models aren't in great agreement.

MARINE.

Advisory conditions will return once again this morning behind the cold front and will persist at least through Monday afternoon. Periodic returns to Advisory conditions will be possible through the week, with at least Cautionary conditions prevailing.

FIRE WEATHER.

A drier and cooler airmass will work itself into the region today. Min RH values will be in the mid to upper 30s each afternoon. Dispersion values will be in the upper 50s to lower 60s across SE AL and eastern portions of the FL Panhandle. Red flag criteria is not expected in the next two days.

HYDROLOGY.

After today, rain is not expected through the upcoming week. The Apalachicola River remains in flood, but has crested and will likely fall out of flood by Tuesday morning. Otherwise, flooding is not a concern this week.

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 65 31 51 28 50 / 40 0 0 0 0 Panama City 64 35 52 32 51 / 20 0 0 0 0 Dothan 55 30 47 27 47 / 10 0 0 0 0 Albany 60 30 47 28 47 / 40 0 0 0 0 Valdosta 65 31 50 28 49 / 50 0 0 0 0 Cross City 71 35 55 31 53 / 60 0 0 0 0 Apalachicola 66 35 51 32 50 / 30 0 0 0 0

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 from 7 PM this evening to 1 PM EST Monday for Apalachee Bay or Coastal Waters From Keaton Beach to Ochlockonee River FL out to 20 Nm-Coastal waters from Suwannee River to Keaton Beach FL out 20 NM.

Small Craft Advisory until 1 PM EST /noon CST/ Monday for Coastal Waters From Ochlockonee River to Apalachicola Fl out to 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 . Harrigan SHORT TERM . Harrigan LONG TERM . Harrigan AVIATION . DiCatarina MARINE . Harrigan FIRE WEATHER . DiCatarina HYDROLOGY . Harrigan


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PACF1 - 8729108 - Panama City, FL 5 mi53 min NW 9.9 G 13 65°F
PCBF1 7 mi53 min NNW 4.1 G 5.1 65°F 65°F1019 hPa
APCF1 - 8728690 - Apalachicola, FL 52 mi47 min SW 4.1 G 5.1 65°F 64°F1019 hPa
APXF1 - Apalachicola Reserve, FL 53 mi50 min WNW 2.9 1020 hPa

Wind History for Panama City, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Panama City - Northwest Florida Beaches International Airport, FL13 mi42 minNW 810.00 miLight Rain65°F62°F90%1019.6 hPa

Link to 5 minute data for KPAM

Wind History from PAM (wind in knots)
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2 days agoS6S7S6S6CalmCalmCalmCalmCalmCalmCalmNW4W66W6W8NW9N8N8N5N5N4N8
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Tide / Current Tables for Channel entrance, St. Andrew Bay, Florida
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Channel entrance
Click for Map
Sun -- 01:45 AM CST     Moonrise
Sun -- 03:35 AM CST     -0.40 feet Low Tide
Sun -- 06:38 AM CST     Sunrise
Sun -- 12:54 PM CST     Moonset
Sun -- 05:08 PM CST     Sunset
Sun -- 05:17 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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-0.1-0.2-0.3-0.4-0.4-0.4-0.3-0.2-0.100.20.30.50.70.8111.11.110.80.60.40.2

Tide / Current Tables for Panama City Beach, Florida
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Panama City Beach
Click for Map
Sun -- 01:46 AM CST     Moonrise
Sun -- 03:25 AM CST     -0.44 feet Low Tide
Sun -- 06:39 AM CST     Sunrise
Sun -- 12:54 PM CST     Moonset
Sun -- 03:14 PM CST     0.93 feet High Tide
Sun -- 05:08 PM CST     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.3-0.3-0.4-0.4-0.4-0.3-0.2-00.10.10.30.40.60.80.90.90.90.90.90.80.60.30.1-0.2

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 (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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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.