Saturday, July11, 2020
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Marine Weather and Tides
Tyndall AFB, 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 5:48AMSunset 7:48PM Saturday July 11, 2020 11:54 AM CDT (16:54 UTC) Moonrise 12:00AMMoonset 11:46AM Illumination 63% Phase: Waning Gibbous; Moon at 21 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:202007112030;;677798 Fzus52 Ktae 111334 Cwftae Coastal Waters Forecast For Florida Big Bend And Eastern Panhandle National Weather Service Tallahassee Fl 934 Am Edt Sat Jul 11 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. Gmz730-750-752-755-765-770-772-775-112030- 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- 934 Am Edt Sat Jul 11 2020 /834 Am Cdt Sat Jul 11 2020/
Today..West winds 10 to 15 knots. Seas 2 to 3 feet. Dominant period 3 seconds. Protected waters a light chop. Slight chance of showers and Thunderstorms.
Tonight..Northwest winds 10 knots. Seas 2 to 3 feet. Dominant period 3 seconds. Protected waters a light chop.
Sunday..West winds 10 knots. Seas 1 to 2 feet. Dominant period 3 seconds. Protected waters a light chop.
Sunday night..West winds 10 to 15 knots. Seas 1 to 2 feet. Dominant period 2 seconds. Protected waters a light chop. Slight chance of showers and Thunderstorms after midnight.
Monday..West winds 15 knots. Seas 2 to 3 feet. Dominant period 2 seconds. Protected waters a moderate chop. Slight chance of showers and Thunderstorms.
Monday night..West winds 10 to 15 knots. Seas 2 to 4 feet. Protected waters a moderate chop. Slight chance of showers and Thunderstorms.
Tuesday..Southwest winds 10 knots. Seas 2 to 4 feet. Protected waters a light chop. Slight chance of showers and Thunderstorms.
Tuesday night..West winds 10 knots. Seas 2 to 3 feet. Protected waters a light chop.
Wednesday..Southwest winds 10 knots. Seas 2 to 3 feet. Protected waters a light chop. Slight chance of showers and Thunderstorms.
GMZ700 Synopsis For The Suwannee River To Okaloosa-walton County Line Out To 60 Nm 934 Am Edt Sat Jul 11 2020
Synopsis.. Westerly winds less than 15 knots are expected to persist through Monday. Seas are expected to remain between 2-3 feet.


7 Day Forecast for Marine Location Near Tyndall AFB, FL
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location: 29.99, -85.7     debug


Area Discussion for -
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FXUS62 KTAE 111336 AFDTAE

Area Forecast Discussion National Weather Service Tallahassee FL 936 AM EDT Sat Jul 11 2020

UPDATE.

No significant changes to the previous forecast appear necessary. The 12z KTAE sounding shows dramatically drier mid level air compared to yesterday with a precipitable water value down to 1.37 inches with northerly flow. With this much dry air, convection is expected to be suppressed today across most of the area with the exception of the far southeast big bend. The heat advisory for portions of Florida still looks on track with afternoon highs mainly in the mid to upper 90s with heat index values peaking near 108 degrees.

PREV DISCUSSION [625 AM EDT].

NEAR TERM [Today].

Shortwave trough will swing through and eastward today with ridging building behind it. A surface trough will push into northeast Florida and clear our tri-state region early this morning. Behind the surface trough, winds will turn northwesterly and allow some drier air to work in from the Tennessee Valley. As far as convection goes today, the best moisture will reside in the Big Bend and immediate coast with an isolated shower or storm possible. Coverage will be few and far between.

It will be another hot day today with highs in the mid to upper 90s region wide. The drier air working in from north to south today will allow our Alabama and Georgia counties to mix down that drier air so heat indices will be around 100-105 degrees. Further south into the Florida counties, dewpoints will be in the low to mid 70s which will allow heat indices to reach 108-110 degrees and over the critical threshold for a heat advisory. Have issued a heat advisory today for most locations along and south of Interstate 10.

SHORT TERM [Tonight Through Monday].

Broad upper level troughing will continue through the remainder of the short term period. This generally means that northwest flow will continue across the region. An interesting flow pattern is expected to develop Saturday through Sunday as the remnants of tropical storm Fay merges with a stronger shortwave trough embedded in the northern upper level flow pattern. This merging of the two upper level pieces of energy tightens the more broad trough that is currently being observed over the eastern conus. As this tightening occurs, a brief window on Saturday and Sunday allows for much drier air to penetrate into the region, which may stifle shower and thunderstorm development. PW values over the region are forecasted to be just over 1 inch for much of the region on Sunday. That being said a weak perturbation in the flow pattern is expected to round the base of the trough on Sunday across the region, and may allow for some thunderstorm development given enough forcing for ascent.

A re-introduction of moisture from the northwest with yet another perturbation in the upper level flow pattern that is expected to round the base of the aforementioned upper level trough will likely bring increased chances for showers and thunderstorm activity to the area. Nevertheless, high temperatures are expected to be hot with highs climbing into the upper 90s and a few locations potentially reaching 100 Saturday and Sunday, especially across the Florida Panhandle and Big Bend. Monday, high temperatures will only climb into the mid 90s providing some relief; however, with the re- introduction of low level moisture back into the area temperatures may actually feel hotter than on Saturday and Sunday, with current forecasted heat indices expected to reach well above 108 degrees.

LONG TERM [Monday Night Through Saturday].

The upper level pattern is slowly expected to transition through the remainder of the week as ridge building occurs north of the area. This will lead to easterly flow developing as the week progresses. With the northern flow pattern finally pushing well north into Canada, the influence of the rather strong Bermuda high pressure system off the coast of the eastern United States will dominate the flow pattern through the remainder of the period. This will generally lead to a more typical summer time pattern with sea-breeze convection developing daily with diurnal heating. With strong enough easterly flow, the region may see the east coast sea-breeze a few times, especially across the eastern portions of our region. Generally temperatures will stay hot with highs reaching the mid 90s everyday through the remainder of the period.

AVIATION. [Through 12Z Sunday]

VFR through the period. As drier air filters in to the region, most rain chances will reside in the Florida Big Bend and further eastward. Chances too low to include in any TAFs so will keep it VFR with northwesterly surface winds of 5-10 knots.

MARINE.

Westerly winds less than 15 knots are expected to persist through Monday. Seas are expected to remain between 2-3 feet with showers and thunderstorms expected today, but will decrease in chances through the weekend. Higher chances of thunderstorms and showers are expected to return by Monday.

FIRE WEATHER.

Aside from high dispersions throughout southeast Alabama and southwest Georgia, hazardous fire weather conditions are not expected over the next several days.

HYDROLOGY.

There are no significant flooding concerns for the next several days. Scattered afternoon showers and thunderstorms will occasionally produce isolated heavy rain totals, but nothing atypical for summer is expected.

SPOTTER INFORMATION STATEMENT.

Spotter activation is not requested. However, spotters are always encouraged to safely report significant weather conditions when they occur (while following all local, state, and CDC guidelines) by calling the office or tweeting us @NWSTallahassee.

PRELIMINARY POINT TEMPS/POPS.

Tallahassee 98 71 99 74 95 / 10 0 10 20 50 Panama City 94 75 94 78 91 / 10 0 10 20 30 Dothan 95 70 97 74 95 / 0 0 20 40 50 Albany 96 71 97 76 95 / 0 0 20 40 50 Valdosta 95 70 96 73 93 / 10 0 10 20 50 Cross City 95 74 95 75 92 / 40 0 10 10 30 Apalachicola 92 75 93 78 90 / 10 0 10 10 30

TAE WATCHES/WARNINGS/ADVISORIES. FL . Heat Advisory until 8 PM EDT /7 PM CDT/ this evening for Calhoun- Central Walton-Coastal Bay-Coastal Dixie-Coastal Franklin- Coastal Gulf-Coastal Jefferson-Coastal Taylor-Coastal Wakulla-Gadsden-Inland Bay-Inland Dixie-Inland Franklin- Inland Gulf-Inland Jefferson-Inland Taylor-Inland Wakulla- Lafayette-Leon-Liberty-Madison-South Walton-Washington.

High Rip Current Risk through late tonight for Coastal Gulf.

GA . None. AL . None. GM . None.

UPDATE . DVD NEAR TERM . Scholl SHORT TERM . Bunker LONG TERM . Bunker AVIATION . Scholl MARINE . Bunker FIRE WEATHER . Scholl HYDROLOGY . Bunker


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PACF1 - 8729108 - Panama City, FL 11 mi55 min NW 7 G 13 82°F
PCBF1 18 mi55 min WNW 11 G 13 88°F 75°F1014.2 hPa (-0.5)
APCF1 - 8728690 - Apalachicola, FL 42 mi55 min N 7 G 9.9 90°F 86°F1013.9 hPa (-0.6)
APXF1 - Apalachicola Reserve, FL 45 mi70 min NW 8.9 1015 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 mi59 minNW 1110.00 miFair91°F77°F63%1013.8 hPa

Link to 5 minute data for KPAM

Wind History from PAM (wind in knots)
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Last 24hrW12W12NW9W5W10W8W11W9W10W9W10W11W9W8W9W8W6W8NW7W7NW7NW5NW6NW11
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Tide / Current Tables for Channel entrance, St. Andrew Bay, Florida
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Channel entrance
Click for Map
Sat -- 05:49 AM CDT     Sunrise
Sat -- 11:46 AM CDT     Moonset
Sat -- 01:28 PM CDT     0.96 feet High Tide
Sat -- 07:46 PM CDT     Sunset
Sat -- 10:19 PM CDT     0.52 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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Tide / Current Tables for Panama City, St. Andrew Bay, Florida
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Panama City
Click for Map
Sat -- 12:12 AM CDT     0.39 feet Low Tide
Sat -- 05:49 AM CDT     Sunrise
Sat -- 11:45 AM CDT     Moonset
Sat -- 02:16 PM CDT     0.99 feet High Tide
Sat -- 07:46 PM CDT     Sunset
Sat -- 11:37 PM CDT     0.54 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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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 (12,3,4,5)
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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.