Thursday, August13, 2020
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Marine Weather and Tides
Apalachicola, 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 6:07AMSunset 7:26PM Thursday August 13, 2020 12:29 PM CDT (17:29 UTC) Moonrise 12:51AMMoonset 2:58PM Illumination 27% 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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GMZ755 Expires:202008132100;;388537 Fzus52 Ktae 131401 Cwftae Coastal Waters Forecast For Florida Big Bend And Eastern Panhandle National Weather Service Tallahassee Fl 1001 Am Edt Thu Aug 13 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. Gmz730-750-752-755-765-770-772-775-132100- 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- 1001 Am Edt Thu Aug 13 2020 /901 Am Cdt Thu Aug 13 2020/
Rest of today..Light and variable winds becoming southwest 5 to 10 knots in the late morning and afternoon. Seas 1 foot or less. Dominant period 3 seconds. Protected waters smooth. Chance of showers and Thunderstorms mainly in the morning.
Tonight..Southwest winds 5 to 10 knots. Seas 1 foot. Dominant period 3 seconds. Protected waters mostly smooth. Slight chance of showers and Thunderstorms after midnight.
Friday..Southwest winds 10 knots. Seas 1 foot. Dominant period 3 seconds. Protected waters a light chop. Chance of showers and Thunderstorms.
Friday night..Southwest winds 10 knots. Seas 1 to 2 feet. Dominant period 3 seconds. Protected waters a light chop. Slight chance of showers and Thunderstorms in the evening, then chance of showers and Thunderstorms after midnight.
Saturday..West winds 10 knots. Seas 1 to 2 feet. Dominant period 4 seconds. Protected waters a light chop. Showers likely in the morning. Chance of Thunderstorms through the day. Chance of showers in the afternoon.
Saturday night..West winds 10 to 15 knots. Seas 1 to 2 feet. Protected waters a light chop. Chance of showers and Thunderstorms.
Sunday..West winds 10 knots. Seas 1 to 2 feet. Protected waters a light chop. Chance of showers and Thunderstorms.
Sunday night..West winds 10 knots. Seas 1 to 2 feet. Protected waters a light chop. Chance of showers and Thunderstorms.
Monday..West winds 10 knots. Seas 1 foot. Protected waters a light chop. Chance of showers and Thunderstorms.
GMZ700 Synopsis For The Suwannee River To Okaloosa-walton County Line Out To 60 Nm 1001 Am Edt Thu Aug 13 2020
Synopsis.. The active period of isolated to scattered showers and Thunderstorms is expected to continue for our coastal waters, especially in the morning hours. Overall, winds outside shower and Thunderstorm activity will generally remain below 10 knots, and seas will remain calm at around 1-2 feet through the weekend.


7 Day Forecast for Marine Location Near Apalachicola, FL
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location: 29.71, -84.98     debug


Area Discussion for -
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FXUS62 KTAE 131418 AFDTAE

Area Forecast Discussion National Weather Service Tallahassee FL 1018 AM EDT Thu Aug 13 2020

NEAR TERM [Through Tonight]. The local area is in a col region of the deep layer flow, with a trough to the north and ridges to the east and west. Flow below about 500mb is very light today. With plenty of deep layer moisture in place (PWAT ~2 inches), expected scattered to numerous showers and thunderstorms across inland area this afternoon. Activity is ongoing along the coast, with the cumulus field starting to build along the Apalachicola/Flint River basin. Severe threat appears to be low overall, with weak flow, and some warming in the sounding above 500mb. However, an isolated strong storm or two cannot be ruled out.

Have only made a few minor adjustments to PoPs for today, increasing rain chances slightly near the coast to account for ongoing convection and near term development expectations.

PREV DISCUSSION [646 AM EDT].

SHORT TERM [Tomorrow Through Saturday].

An upper level trough is expected to dig south through the Tennessee valley starting Friday. This trough is expected to provide divergence aloft over the region, which will aid in the development and widespread coverage of shower and thunderstorms. Activity will generally develop over the waters during the late overnight and early morning hours before developing inland with the support of daytime heating and the afternoon sea breeze. PW values are expected to exceed 2 inches across much of the area, which will increase the likelihood of very heavy rainfall rates with any strong shower or thunderstorm; however, given the close proximity of the aforementioned upper level trough, storm motions might be fast enough that major flash flooding might not be of concern. Some minor localized flash flooding is still possible, especially given the wet pattern that has occurred over the last few days. High temperatures will generally climb to the low 90s across the region, with lows dropping into the low to mid 70s at night.

LONG TERM [Saturday Night Through Thursday].

The previously discussed upper level trough across the Tennessee valley will have made little progress eastward by Saturday evening. The trough axis by this time is expected by to be over north Georgia. Given the close proximity of the trough axis and associated upper level lift, the region will continue to have isolated to scattered shower and thunderstorm activity on Sunday. As the trough finally propagates to the north and east off the east coast of the United States, the region will enter a brief period of weak upper level flow that is expected to continue through Tuesday. By mid week a shortwave trough is expected to quickly dig south across the lower Mississippi valley, and enter the Gulf of Mexico. Exact details regarding the system are still uncertain; however, consensus between the ECMWF and GFS models return the region towards a wet period once again. Overall this pattern is mainly supported by deep ridging over the western Conus. This pattern will maintain weak and continuous troughing over the region through the end of the period. With the increased shower and thunderstorm coverage, high temperatures will generally remain in the low to mid 90s across the region. Lows will generally fall into the low to mid 70s.

AVIATION. [Through 12Z Friday]

VFR will prevail through the TAF away from showers and thunderstorms. Expect storms to be most likely across SE AL and SW GA (DHN/ABY/VLD) late this afternoon, with a more widely scattered nature elsewhere.

MARINE.

The active period of isolated to scattered showers and thunderstorms is expected to continue for our coastal waters, especially in the morning hours. Overall, winds outside shower and thunderstorm activity will generally remain below 10 knots, and seas will remain calm at around 1-2 feet through the weekend.

FIRE WEATHER.

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

HYDROLOGY.

A wet pattern is expected to continue through the weekend for the region, with widespread rainfall totals of 1-2 inches of rainfall expected over the next 7 days, with locally higher amounts possible. With PW values exceeding 2 inches across the region, any training of storms or quasi-stationary storm motions could lead to localized street flooding. River flooding is not expected at this time.

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 92 74 91 74 90 / 50 20 70 30 80 Panama City 89 79 88 78 88 / 40 40 70 50 70 Dothan 92 73 89 73 89 / 60 30 90 40 70 Albany 92 74 91 74 90 / 60 30 80 40 70 Valdosta 91 74 91 73 89 / 60 20 70 20 80 Cross City 91 74 92 75 91 / 30 20 60 30 70 Apalachicola 88 79 89 77 88 / 50 30 60 50 70

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

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


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
APCF1 - 8728690 - Apalachicola, FL 1 mi60 min W 5.1 G 8.9 78°F 87°F1018.7 hPa
APXF1 - Apalachicola Reserve, FL 8 mi105 min W 14 1020 hPa
SGOF1 - Tyndall AFB Tower C (N4), FL 22 mi150 min NW 8 G 9.9 82°F 1018.6 hPa (+1.4)74°F
SHPF1 - SHP - Shell Point, FL 44 mi96 min SSE 6 G 8 84°F 1017 hPa
PACF1 - 8729108 - Panama City, FL 48 mi60 min SSE 8.9 G 12

Wind History for Apalachicola, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Apalachicola, Apalachicola, FL3 mi37 minWNW 510.00 miMostly Cloudy81°F75°F82%1017.9 hPa

Link to 5 minute data for KAAF

Wind History from AAF (wind in knots)
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Last 24hrSE7S7NW8SW8SW10SW9W4CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmNE4NE54SW10N3NW5
1 day ago--W9S5NE4NE6N3NW4NE4N3CalmCalmCalmNE4CalmCalmNE4NE5W8E4CalmN5E5CalmSE6
2 days agoN4W3W4W7W10SW10W6W3CalmN3SW3CalmCalmCalmCalmNW4CalmCalmCalmCalmW6W5NW9W9

Tide / Current Tables for Apalachicola, Apalachicola Bay, Florida
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Apalachicola
Click for Map
Thu -- 01:50 AM EDT     Moonrise
Thu -- 02:46 AM EDT     1.34 feet High Tide
Thu -- 03:23 AM EDT     1.34 feet Low Tide
Thu -- 07:06 AM EDT     Sunrise
Thu -- 10:12 AM EDT     1.78 feet High Tide
Thu -- 03:57 PM EDT     Moonset
Thu -- 07:33 PM EDT     0.26 feet Low Tide
Thu -- 08:21 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.21.31.31.31.31.41.41.51.61.71.81.71.61.41.10.90.70.50.40.30.30.40.60.8

Tide / Current Tables for St. George Island, 12th St. W (Bayside), St. George Sound, Florida
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


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 (13,3,4,5)
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Ground Weather Radar Station Tallahassee, FL
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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.