Monday, April23, 2018 L-36.com


Marine Weather and Tides
Perry, FL

Version 3.4
What's New / NOTES
3/3/2018 - There is a new GOES Satellite for the east coast that required rewriting that part of the code. Please report any issues.
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.

Sunrise 6:59AMSunset 8:11PM Monday April 23, 2018 5:41 AM EDT (09:41 UTC) Moonrise 12:57PMMoonset 1:54AM Illumination 56% Phase: First Quarter Moon; Moon at 8 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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GMZ730 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- 400 Am Edt Mon Apr 23 2018
Today..Southwest winds 10 to 15 knots. Seas 2 to 4 feet. Dominant period 4 seconds. Protected waters a light chop. Chance of showers in the morning. Slight chance of showers and Thunderstorms in the afternoon.
Tonight and Tuesday..West winds 10 to 15 knots. Seas 2 to 4 feet. Dominant period 4 seconds. Protected waters a light chop.
Tuesday night..Northwest winds 10 to 15 knots. Seas 2 to 3 feet. Dominant period 4 seconds. Protected waters a moderate chop.
Wednesday..West winds around 10 knots. Seas 2 to 3 feet. Dominant period 4 seconds. Protected waters a light chop.
Wednesday night..Northwest winds 5 to 10 knots. Seas 2 to 3 feet. Protected waters a light chop.
Thursday and Thursday night..Northwest winds 5 to 10 knots. Seas 1 to 2 feet. Protected waters a light chop. Slight chance of showers and Thunderstorms.
Friday..West winds 10 knots. Seas 1 to 2 feet. Protected waters a light chop. Slight chance of showers.
GMZ700 Synopsis For The Suwannee River To Okaloosa-walton County Line Out To 60 Nm 400 Am Edt Mon Apr 23 2018
Synopsis..Winds and seas will remain elevated, but just below cautionary levels, through mid-week. By the end of the week, relatively light winds and low seas will prevail.

7 Day Forecast for Marine Location Near Perry, FL
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location: 29.97, -83.83     debug


Area Discussion for -
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Fxus62 ktae 230756
afdtae
area forecast discussion
national weather service tallahassee fl
356 am edt Mon apr 23 2018

Near term [through today]
The low pressure system over the mississippi and tennessee valleys
will occlude today as the surface low gets pulled under the
mid upper low. Consequently, the cold front associated with the
surface low will be slow to pass through the tri-state region
today. It will likely be until late tonight, or first thing
Tuesday, that the front clears the southeast big bend. While
there will most likely be some showers and possibly a storm
generated along and ahead of the front today, weak convergence
along the front combined with the fact that the 850mb front will
have outrun the surface front, will limit deep moist convection
and the threat for strong or severe storms. Expect the highest
rain chances along and east of a line from albany through
tallahassee. High temperatures should climb into the low 80s for
much of the region.

Short term [tonight through Wednesday]
All of the showers associated with the frontal system, along with
the front itself will move east of the tri-state region tonight.

Expect clearing skies with lows falling into the upper 50s.

Tuesday will be cloudy with the chance for a brief light shower
across parts of al ga as a shortwave passes through the occluded
low pressure system. The slow moving low pressure system will
finally lift through the mid-atlantic on Wednesday, taking all
forcing for storms north of the region. Expect highs to climb to
around 80 degrees both Tuesday and Wednesday, with lows in the
upper 50s.

Long term [Wednesday night through Monday]
Two more shortwaves will amplify the eastern CONUS trough,
resulting in periods of increased rain chances during the short
term. The first, and most potent, will bring a frontal system
through the region Thursday and Thursday night, with the next
bringing a much lower chance for rain early Saturday morning
through Saturday afternoon. Dry conditions are expected for the
remainder of the weekend through early next week. Highs and lows
will run near normal for the duration of the extended forecast.

Aviation [through 06z Tuesday]
A mixture of MVFR and ifr ceilings will likely become
predominantly ifr a little later this morning. Rain will gradually
taper off from southwest to northeast through the night. Ifr
ceilings will gradually lift through MVFR and break toVFR at most
sites by late afternoon. Rain was kept out of the tafs for this
afternoon for now, but would be most likely east of aby and tlh.

Expect gusty winds to around 20 knots this afternoon.

Marine
Winds and seas will remain elevated, but just below cautionary
levels, through mid-week. By the end of the week, relatively light
winds and low seas will prevail.

Fire weather
Although dispersion values will likely exceed critical thresholds
this afternoon and early evening, rh values will remain over 50
percent across our area today. Relatively moist conditions will
persist through the next several days, so no fire weather concerns
are anticipated throughout this period.

Hydrology
Flooding will not be a concern today as the bulk of the rain has
moved through the region and in general a half inch or less of
rain is expected today. The next rain-maker will arrive on
Thursday with the potential for another 1-2" through Thursday
night. At this time, flooding is not expected to be a concern
with the late-week system.

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 81 58 79 58 81 40 10 10 0 0
panama city 74 61 74 60 75 10 0 0 0 0
dothan 78 56 76 56 77 20 10 10 10 0
albany 80 58 77 56 77 50 10 20 10 0
valdosta 82 60 80 59 80 70 10 10 10 0
cross city 80 59 79 57 80 70 20 10 0 0
apalachicola 76 62 75 62 76 20 0 0 0 0

Tae watches warnings advisories
Fl... None.

Ga... None.

Al... None.

Gm... None.

Near term... Harrigan
short term... Harrigan
long term... Harrigan
aviation... Harrigan
marine... Harrigan
fire weather... Lahr
hydrology... Harrigan


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SHPF1 - SHP - Shell Point, FL 25 mi108 min SSE 17 G 20 72°F 1013.2 hPa
APXF1 - Apalachicola Reserve, FL 57 mi57 min S 7 71°F 69°F

Wind History for Apalachicola, FL
(wind in knots)    EDIT      (on/off)   Help
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E12
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N8
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N4
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G20
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G21
E14
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G17

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Perry-Foley, Perry-Foley Airport, FL15 mi47 minS 87.00 miRain70°F68°F95%1014.9 hPa

Wind History from 40J (wind in knots)
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Last 24hrE6E5E4E7E11
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SE9S7E5E5E5E9
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SE6SE7SE7SE6
1 day agoNE6NE5NE4NE4NE9
G14
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E7NE7NE9
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G16
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G15
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2 days agoN4N5N4NE6NE9
G14
E7NE7
G14
NE9
G14
NE8E8E7E5NE7E4NE4NE6E6E4E3E5E3E4NE4NE4

Tide / Current Tables for Rock Islands, Florida
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Rock Islands
Click for Map
Mon -- 02:54 AM EDT     Moonset
Mon -- 03:16 AM EDT     0.13 feet Low Tide
Mon -- 07:00 AM EDT     Sunrise
Mon -- 10:20 AM EDT     2.55 feet High Tide
Mon -- 01:57 PM EDT     Moonrise
Mon -- 03:09 PM EDT     1.74 feet Low Tide
Mon -- 08:07 PM EDT     Sunset
Mon -- 08:36 PM EDT     2.72 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.10.70.30.10.20.50.91.522.42.52.52.32.11.81.71.822.32.52.72.72.62.3

Tide / Current Tables for Spring Warrior Creek, Florida
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Spring Warrior Creek
Click for Map
Mon -- 02:53 AM EDT     Moonset
Mon -- 03:15 AM EDT     0.13 feet Low Tide
Mon -- 06:59 AM EDT     Sunrise
Mon -- 10:14 AM EDT     2.52 feet High Tide
Mon -- 01:56 PM EDT     Moonrise
Mon -- 03:08 PM EDT     1.74 feet Low Tide
Mon -- 08:06 PM EDT     Sunset
Mon -- 08:30 PM EDT     2.69 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.10.60.30.10.20.511.522.42.52.52.321.81.71.822.32.52.72.72.52.3

Weather Map and Satellite Images
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wmap_A
GOES 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.
target = "new">Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for (5,6,7,8)
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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.