Monday, March30, 2020
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Marine Weather and Tides
Port St. Joe, 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 6:33AMSunset 7:01PM Sunday March 29, 2020 11:29 PM CDT (04:29 UTC) Moonrise 9:47AMMoonset 11:50PM Illumination 35% Phase: Waxing Crescent; Moon at 6 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:202003301415;;280657 Fzus52 Ktae 300140 Cwftae Coastal Waters Forecast For Florida Big Bend And Eastern Panhandle National Weather Service Tallahassee Fl 940 Pm Edt Sun Mar 29 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. Gmz730-750-752-755-765-770-772-775-301415- 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- 940 Pm Edt Sun Mar 29 2020 /840 Pm Cdt Sun Mar 29 2020/
Rest of tonight..Southwest winds 5 to 10 knots becoming north 5 to 10 knots late in the night. Seas 2 to 3 feet. Dominant period 5 seconds. Protected waters mostly smooth.
Monday..East winds 5 to 10 knots becoming south in the afternoon. Seas 1 to 2 feet. Dominant period 5 seconds. Protected waters mostly smooth.
Monday night..Southwest winds 10 knots. Seas 1 to 2 feet. Dominant period 4 seconds. Protected waters a light chop.
Tuesday..Southwest winds 20 knots. Seas 2 to 3 feet building to 4 to 6 feet with occasional seas up to 8 feet. Dominant period 4 seconds in the afternoon. Protected waters choppy. Chance of showers and isolated Thunderstorms.
Tuesday night..West winds 20 to 25 knots becoming northwest after midnight. Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant period 6 seconds. Protected waters choppy. Slight chance of rain in the evening. Slight chance of rain showers after midnight.
Wednesday..North winds 10 to 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Protected waters a moderate chop.
Wednesday night through Friday..East winds 10 to 15 knots. Seas 2 to 3 feet. Protected waters a moderate chop.
GMZ700 Synopsis For The Suwannee River To Okaloosa-walton County Line Out To 60 Nm 940 Pm Edt Sun Mar 29 2020
Synopsis..Southerly winds will prevail through Monday with seas around 3 feet or less outside of apalachee bay. Winds and seas will increase on Tuesday and Wednesday up to small craft advisory levels in association with a frontal system. Thereafter, more tranquil boating conditions will return Thursday and Friday.


7 Day Forecast for Marine Location Near Port St. Joe city, FL
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location: 29.82, -85.31     debug


Area Discussion for -
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FXUS62 KTAE 300139 AFDTAE

Area Forecast Discussion National Weather Service Tallahassee FL 939 PM EDT Sun Mar 29 2020

UPDATE.

The overnight forecast remains in good shape with no updates necessary this evening.

PREV DISCUSSION [650 PM EDT].

NEAR TERM [Through Monday].

A deep upper low is currently moving north east through the upper midwest with a surface low stacked beneath it. A cold front is dragging back to the southeast and as of 2PM ET, it's still back in central and western Alabama. As the front moves southeast overnight, it will lose most of its strength due to the lift being well displaced to the north. At the same time, moisture is low through the atmospheric column with PW values less than 1.25". Did leave 15- 20% pops for areas west of Tallahassee just in case we get enough instability to pop a few showers along the front. Thunderstorms are not expected. Winds turn briefly to the northwest behind it but will generally go light and variable overnight. Weak high pressure and dry weather will return under light northeasterly flow on Monday. A few mid level clouds will be around but the front won't help lower the temps at all. Lows will still be in the mid 60s with highs Monday in the mid to upper 80s.

SHORT TERM [Monday Night Through Tuesday Night].

SPC maintains a slight risk of severe thunderstorms across much of the area on Tuesday with the primary threats being damaging winds and possibly a couple tornadoes. There is still uncertainty on the timing of thunderstorms, possibly as soon as late Tuesday morning across the Wiregrass region, then exiting the I-75 corridor late in the evening. Given the strong wind field and dry air advecting in aloft, confidence is highest in damaging winds. Tornado threat is dependent on the location of the warm front and shear profiles, which remain uncertain, with highest confidence from the Wiregrass eastward into southwest GA.

It will be breezy on Tuesday, with southwest gusting 25 to 30 mph during the afternoon ahead of any thunderstorms.

LONG TERM [Wednesday Through Sunday].

The main concern is the potential for some heavier rainfall near the Gulf coast late this weekend into early next week. Prior to that, fair weather is expected Wednesday and Thursday in the wake of the cold front with ridging in place aloft. A southwest flow will setup Friday and beyond with several shortwave disturbances in the pipeline. In general, considerable cloudiness with bouts of showers beginning on Friday and persisting into the weekend. There is a signal in the deterministic and ensemble guidance of a boundary setting up near the gulf coast which would focus some heavier precipitation late this weekend into early next week.

Temperatures will average a few degrees above normal through the period, but much cooler relative to the recent near record heat.

AVIATION. [Through 00Z Tuesday]

Scattered to broken mid level clouds are moving southeast along a cold front. A few showers are possible at DHN and ECP this evening but coverage is too low to include in the TAFs. Overnight, fog and low ceilings will move northward from the Big Bend with uncertainty once again if it will reach VLD or TLH. Have hedged with some MVFR CIG and VIS but it could go lower in future updates. Otherwise, winds will generally be less than 10 knots through the TAF period.

MARINE.

Southerly winds will prevail through Monday with seas around 3 feet or less outside of Apalachee Bay. Winds and seas will increase on Tuesday and Wednesday up to Small Craft Advisory levels in association with a frontal system. Thereafter, more tranquil boating conditions will return Thursday and Friday.

FIRE WEATHER.

A dry day is on tap Monday with relative humidity values falling to around 25 percent north of I-10 during the afternoon, and light transport winds. A cold front will lead to thunderstorms on Tuesday. Ahead of the front, the combination of elevated mixing heights and transport winds may lead to high dispersions. Red flag conditions are not expected through the forecast period.

HYDROLOGY.

Rainfall amounts are forecast around one inch over the next several days. There are no flooding concerns 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 by calling the office or tweeting us @NWSTallahassee.

PRELIMINARY POINT TEMPS/POPS.

Tallahassee 66 89 64 85 55 / 10 0 10 80 40 Panama City 69 86 69 81 55 / 10 0 20 80 20 Dothan 63 84 62 79 50 / 20 0 20 90 20 Albany 65 84 61 80 53 / 10 0 10 90 30 Valdosta 65 88 62 83 55 / 10 0 0 70 50 Cross City 65 88 64 84 59 / 10 0 0 50 50 Apalachicola 68 81 68 80 57 / 10 0 10 70 20

TAE WATCHES/WARNINGS/ADVISORIES. FL . High Rip Current Risk until midnight EDT /11 PM CDT/ tonight for Coastal Bay-South Walton.

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

UPDATE . Harrigan NEAR TERM . LN SHORT TERM . LF LONG TERM . LF AVIATION . LN MARINE . LF FIRE WEATHER . LF HYDROLOGY . LF


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
APCF1 - 8728690 - Apalachicola, FL 19 mi60 min WNW 1.9 G 4.1 72°F 76°F1021.2 hPa
APXF1 - Apalachicola Reserve, FL 23 mi105 min SSW 1.9 1022 hPa
PACF1 - 8729108 - Panama City, FL 30 mi60 min SW 6 G 7 78°F
SGOF1 - Tyndall AFB Tower C (N4), FL 37 mi30 min W 4.1 G 5.1 74°F 1021.2 hPa (+1.2)70°F
PCBF1 41 mi60 min SW 7 G 8 76°F 78°F1020.5 hPa

Wind History for Apalachicola, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Tyndall Air Force Base, FL23 mi34 minWSW 510.00 miFair73°F70°F91%1020.6 hPa

Link to 5 minute data for KAAF

Wind History from AAF (wind in knots)
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Tide / Current Tables for Port Saint Joe, St. Joseph Bay, Florida
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Port Saint Joe
Click for Map
Mon -- 12:49 AM CDT     -0.18 feet Low Tide
Mon -- 06:32 AM CDT     Sunrise
Mon -- 10:28 AM CDT     Moonrise
Mon -- 02:50 PM CDT     1.32 feet High Tide
Mon -- 06:59 PM CDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.2-0.2-0.2-0.100.10.30.40.60.70.911.11.21.31.31.31.210.80.60.40.2-0

Tide / Current Tables for Wetappo Creek, East Bay, St. Andrew Bay, Florida
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Wetappo Creek
Click for Map
Mon -- 03:20 AM CDT     -0.18 feet Low Tide
Mon -- 06:32 AM CDT     Sunrise
Mon -- 10:28 AM CDT     Moonrise
Mon -- 04:15 PM CDT     1.32 feet High Tide
Mon -- 06:59 PM CDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.1-0.1-0.1-0.2-0.2-0.1-00.10.30.40.60.80.91.11.21.31.31.31.21.110.80.60.4

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 (0,6,7,8)
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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.