Sunday, November19, 2017 L-36.com


Marine Weather and Tides
Port St. Joe, FL

Version 3.4
What's New / NOTES
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.

Sunrise 6:11AMSunset 4:45PM Sunday November 19, 2017 2:50 AM CST (08:50 UTC) Moonrise 8:00AMMoonset 6:56PM Illumination 0% Phase: New Moon; Moon at 1 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 Apalachee Bay Or Coastal Waters From Keaton Beach To Ochlockonee River Fl Out To 20 Nm- Coastal Waters From Apalachicola To Destin Fl Out 20 Nm- Coastal Waters From Ochlockonee River To Apalachicola Fl Out To 20 Nm- Coastal Waters From Suwannee River To Keaton Beach Out 20 Nm- 309 Am Est Sun Nov 19 2017
.small craft advisory in effect through this evening...
Today..North winds 20 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 4 seconds. Protected waters choppy. Chance of rain ending from west to east this morning.
Tonight..Northeast winds 15 to 20 knots. Seas 2 to 4 feet. Dominant period 3 seconds. Protected waters choppy.
Monday..East winds 10 to 15 knots. Seas 2 to 3 feet. Dominant period 3 seconds. Protected waters a light to moderate chop.
Monday night..East winds 15 knots. Seas 1 to 2 feet building to 2 to 4 feet. Dominant period 3 seconds. Protected waters a moderate chop. Slight chance of rain after midnight.
Tuesday..East winds 15 knots. Seas 2 to 4 feet. Dominant period 4 seconds. Protected waters a moderate chop. Chance of rain.
Tuesday night..Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Protected waters a light to moderate chop. Chance of rain.
Wednesday..Northeast winds 15 knots. Seas 2 to 3 feet. Protected waters a moderate chop. Chance of rain.
Wednesday night and Thursday..Northeast winds 15 to 20 knots. Seas 2 to 3 feet. Protected waters a moderate chop. Chance of rain.
GMZ700 Synopsis For The Suwannee River To Destin Out To 60 Nm 309 Am Est Sun Nov 19 2017
Synopsis..Expect small craft advisory conditions in the wake of this morning's frontal passage. Winds and seas will begin to subside this evening or late tonight as high pressure builds in across the local waters. However, strong winds may return by mid to late week as a surface low moves eastward across the gulf.

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 190813
afdtae
area forecast discussion
national weather service tallahassee fl
313 am est Sun nov 19 2017

Near term [through today]
By sunrise, the cold front will have moved through most of the area
with a thin line of showers confined to the southeast big bend.

These will exit the area quickly this morning with clearing skies,
breezy northwest winds, and a cooler airmass behind the front. High
temperatures are expected to range from the upper 50s across the far
northwest areas to mid 60s across the southeast big bend.

Short term [tonight through Tuesday]
Surface high pressure slides eastward becoming centered to our north
by Monday morning. With light or calm winds and a dry airmass in
place overnight, lows will drop into the mid 30s inland to around 40
along the coast. Patchy frost remains possible inland areas. The
surface high will quickly move east and off the SE u.S coast
Tuesday. Deep layer moisture will spread over our area Tuesday as a
shortwave dives southward carving out a deep trough over the gomex.

A weak surface low is forecast to develop over the eastern gulf and
lift northeastward toward the western florida coast Tuesday night.

This will spread rain back over our area with the best chance (40-
50%) across our florida zones. The airmass will begin to modify with
highs Monday mostly in the mid to upper 60s and upper 60s to mid 70s
on Tuesday. Lows Monday night will be in the upper 40s to lower
50s.

Long term [Tuesday night through Sunday]
Both the 00z GFS and 12z euro show the aforementioned surface low
moving inland and across north central florida Tuesday night.

Then, as the upper trough further amplifies, a secondary surface
low develops over the eastern gulf. The euro solution closes off
an upper low in the north central gulf on Thursday. This feature
and associated surface low track east-northeastward across north
central florida by Thursday night. The GFS shows a weaker surface
low tracking eastward across south florida during the same time.

The euro solution obviously would bring deeper moisture further
north along with better rain chances to our area Wednesday through
Thursday. Will continue to blend solutions and keep highest pops
over our southern and eastern zones. As the surface and upper low
move east, look for drier conditions to return for the weekend. In
either scenario, temperatures (especially high temperatures) will
likely be below normal with highs generally in the lower to mid
60s.

Aviation [through 06z Monday]
A thin line of showers associated with a cold front will move
across the area through the early morning hours. Brief MVFR
ceilings and gusty winds are expected with this line. Behind the
front,VFR conditions are expected, but winds will remain gusty
through the day out of the northwest.

Marine
Expect small craft advisory conditions in the wake of this
morning's frontal passage. Winds and seas will begin to subside
this evening or late tonight as high pressure builds in across
the local waters. However, strong winds may return by mid to late
week as a surface low moves eastward across the gulf.

Fire weather
A drier airmass will move into the area behind a cold front today
and Monday, but red flag conditions are not expected.

Hydrology
No hydro 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 63 35 67 50 70 0 0 0 10 40
panama city 63 39 65 53 69 0 0 0 20 40
dothan 59 35 63 47 67 0 0 0 10 30
albany 61 35 63 47 68 0 0 0 10 20
valdosta 63 34 66 50 71 10 0 0 10 40
cross city 66 35 70 53 74 50 0 0 10 50
apalachicola 64 39 65 55 70 0 0 0 20 50

Tae watches warnings advisories
Fl... None.

Ga... None.

Al... None.

Gm... Small craft advisory until 7 pm est this evening 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 out 20 nm-coastal waters
from apalachicola to destin fl out 20 nm-waters from
suwannee river to apalachicola fl from 20 to 60 nm-waters
from apalachicola to destin fl from 20 to 60 nm.

Near term... Dvd
short term... Barry
long term... Barry
aviation... Dvd
marine... Barry
fire weather... Dvd
hydrology... Barry


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
APXF1 - Apalachicola Reserve, FL 23 mi65 min SW 7 70°F 69°F
SGOF1 - Tyndall AFB Tower C (N4), FL 37 mi50 min WSW 20 G 22 73°F 1011.8 hPa (-1.2)67°F

Wind History for Apalachicola, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Apalachicola, Apalachicola, FL16 mi57 minWSW 1310.00 miOvercast74°F70°F88%1010.7 hPa
Tyndall Air Force Base, FL23 mi54 minNNW 16 G 3210.00 miLight Rain69°F63°F82%1011.1 hPa

Wind History from AAF (wind in knots)
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Last 24hrNE3NE3NE3NE4NE3NE3E5S5S65S8S9S10S9SW7SW7SW7SW9SW11SW11SW14SW10SW9SW13
1 day agoNE4NE5NE4NE5NE5NE6NE5E5CalmSE8SE9SE7SE8SE4SE3CalmCalmCalmCalmCalmCalmCalmCalmNE3
2 days agoNE6NE5NE4NE5NE6NE4NE7N8N8N7N4S5S6S4CalmCalmCalmCalmCalmCalmNW3CalmCalmCalm

Tide / Current Tables for Port Saint Joe, St. Joseph Bay, Florida
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Port Saint Joe
Click for Map
Sun -- 06:09 AM CST     Sunrise
Sun -- 06:59 AM CST     Moonrise
Sun -- 08:09 AM CST     -0.07 feet Low Tide
Sun -- 04:43 PM CST     Sunset
Sun -- 05:55 PM CST     Moonset
Sun -- 10:34 PM CST     1.56 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.41.210.70.50.30.1-0-0.1-0.100.10.20.30.50.60.80.91.11.21.41.51.61.6

Tide / Current Tables for Wetappo Creek, East Bay, St. Andrew Bay, Florida
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Wetappo Creek
Click for Map
Sun -- 06:10 AM CST     Sunrise
Sun -- 07:00 AM CST     Moonrise
Sun -- 10:12 AM CST     -0.12 feet Low Tide
Sun -- 04:43 PM CST     Sunset
Sun -- 05:55 PM CST     Moonset
Sun -- 11:27 PM CST     1.66 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.61.51.31.10.90.60.40.20-0.1-0.1-0.1-00.10.20.30.50.70.91.11.31.41.61.6

Weather Map and Satellite Images
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Weather Map
wmap_A
IR Satellite Image from GEOS
east_satellite

GOES Local Image of Southeast    EDIT
Geos

Wind Forecast for (3,6,7,8)
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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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Disclaimer:
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 numerious 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.