Thursday, August17, 2017 L-36.com


Marine Weather and Tides
Chokoloskee, 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 6:59AMSunset 8:01PM Thursday August 17, 2017 3:25 PM EDT (19:25 UTC) Moonrise 1:41AMMoonset 3:29PM Illumination 21% Phase: Waning Crescent; Moon at 25 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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GMZ657 Coastal Waters From Chokoloskee To Bonita Beach Fl Out 20 Nm- Coastal Waters From East Cape Sable To Chokoloskee Fl Out 20 Nm- 1048 Am Edt Thu Aug 17 2017
Rest of today..East southeast winds 5 to 10 knots becoming west. Seas less than 2 feet. Period 2 seconds. Bay and inland waters a light chop. Scattered showers and Thunderstorms through the day.
Tonight..North northeast winds 5 to 10 knots becoming east after midnight. Seas less than 2 feet. Period 2 seconds. Bay and inland waters a light chop. A chance of showers and Thunderstorms late in the evening. A slight chance of showers after midnight.
Friday..Southeast winds 5 to 10 knots becoming southwest. Seas less than 2 feet. Period 3 seconds. Bay and inland waters a light chop. A chance of showers and Thunderstorms.
Friday night..East winds 5 to 10 knots. Seas less than 2 feet. Period 2 seconds. Bay and inland waters a light chop. A slight chance of showers and Thunderstorms through the night.
Saturday..East winds 5 to 10 knots nearshore and east northeast 10 to 15 knots offshore. Seas less than 2 feet. Bay and inland waters a light chop. Showers and Thunderstorms likely.
Saturday night..East southeast winds 5 to 10 knots nearshore and east southeast 10 to 15 knots offshore. Seas around 2 feet. Bay and inland waters a light chop. Showers and Thunderstorms likely.
Sunday..East southeast winds 5 to 10 knots nearshore and east southeast 10 to 15 knots offshore. Seas around 2 feet. Bay and inland waters a light chop. Showers and Thunderstorms likely.
Sunday night and Monday..East winds 10 to 15 knots. Seas less than 2 feet nearshore and 2 to 3 feet offshore. Bay and inland waters a light chop. A chance of showers and Thunderstorms.
GMZ600 Synopsis For Destin Fl To Pascagoula Ms Out 60 Nm Including Mobile Bay- 1030 Am Cdt Thu Aug 17 2017
Synopsis..A surface high pressure ridge axis will continue across the eastern gulf through Friday, but begin to weaken slightly by Saturday as a weak front approaches from the north. This will maintain the mostly west to southwest windflow through Saturday, with a possible slight northwest flow near shore at night. High pressure will again build east of the marine area Sunday into the early part of next week with winds becoming more east to southeast. Little change in seas expected most of the period, increasing slightly by late Monday. Winds and seas will be locally higher near scattered showers and Thunderstorms.

7 Day Forecast for Marine Location Near Chokoloskee, FL
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location: 25.8, -81.34     debug


Area Discussion for - Miami-South Florida, FL
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Fxus62 kmfl 171728
afdmfl
area forecast discussion
national weather service miami fl
128 pm edt Thu aug 17 2017

Aviation
Easterly flow has been stronger today, as forecast. Convection
that has developed is moving westward, and largely staying away
from the east coast TAF sites. The hrrr model is still showing the
active weather should be in the interior. Given the lowered
chances of any TS affecting the east coast, have dropped the vcts
and went with vcsh for now. However, TS may still need to be added
back in if things begin to play out differently. For apf, kept the
vcts as convection should move into that area of south florida.

Prev discussion... Issued 354 am edt Thu aug 17 2017
discussion...

latest water vapor imagery shows a large dome of high pressure
dominating the florida peninsula, with little in the way of
synoptic features to note. Surface high pressure continues to sit
stagnant, stretching from the eastern gulf of mexico to the
western atlantic. The mfl 00z mfl sounding displayed light
easterly winds from the surface to above 300 mb with pwat values
just shy of 1.70". As with the past several nights, short range
models indicate mostly dry conditions with a slight chance of
showers over the atlantic waters. Not much change is expected in
the synoptic pattern today, leading to a very similar setup as
yesterday. Light south easterly flow will allow both the atlantic
and gulf sea breezes to develop. These breezes should once again
trigger isolated scattered garden variety showers and
thunderstorms inland from the coasts, moving towards the interior
through the afternoon. Maximum temperatures will range from the
low to mid 90s across the region, a couple degrees warmer than
average for this time of year. On Friday, southeast flow will
continue with a pocket of drier air advecting in from the
southeast. GFS forecast pwat values drop to below 1.50" by the
late afternoon. Thus, expecting less thunderstorms coverage,
especially over the south and eastern portion of the cwa.

Saturday through early next week: on Saturday, both the GFS and
ecmwf agree in pushing an upper level low pressure system towards
south florida from the east. Pwats associated with this feature
are forecast to increase over 2.00" by Saturday afternoon. Deeper
moisture, along with various impulses of positive vorticity
advection, will bring more of a widespread rain threat to the east
coast metro region than previous days. Conditions stay favorable
for elevated shower and thunderstorm activity through Sunday,
before decreasing slightly on Monday. Long range models are
indicating yet another tropical wave to affect south florida late
Tuesday into mid next week, elevating the threat for heavier and
more widespread showers and thunderstorms.

Marine...

high pressure over the region will keep light to
moderate east to southeast flow over the coastal waters, as well
as the slight chance for showers and thunderstorms. An upper
level low pressure system approaching from the east will bring a
higher chance for thunderstorm activity Saturday into Sunday.

Seas are forecast to run less than 2 feet until the weekend, then
slowly build to 2 to 4 feet, under a strengthening easterly
wind.

Preliminary point temps pops
West palm beach 80 94 80 91 10 20 20 50
fort lauderdale 81 92 82 90 20 30 20 60
miami 81 93 80 90 20 20 20 60
naples 77 94 77 93 50 40 20 40

Mfl watches warnings advisories
Fl... None.

Am... None.

Gm... None.

Discussion... 27 jt
marine... 27 jt
aviation... 13


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
WPLF1 - Watson Place, FL 8 mi86 min 92°F
CNBF1 - Cannon Bay, FL 11 mi86 min 90°F
LMRF1 - Lostmans River, FL 19 mi86 min 91°F
WIWF1 - Willy Willy, FL 22 mi86 min 86°F
LBRF1 - Broad River Lower, FL 24 mi146 min 89°F
RKXF1 - Rookery Bay Reserve, FL 26 mi101 min NE 2.9 93°F 76°F
BDVF1 - Broad River, FL 29 mi86 min 85°F
HREF1 30 mi86 min 86°F
SREF1 33 mi86 min 90°F
GBIF1 - Gunboat Island, FL 33 mi86 min 88°F
NPSF1 - 8725110 - Naples, FL 34 mi38 min WNW 7 G 8.9 91°F1017.2 hPa
TPEF1 - Tarpon Bay East, FL 34 mi146 min 86°F
CANF1 - Cane Patch, FL 34 mi146 min 87°F
NRRF1 39 mi86 min 88°F
CWAF1 39 mi146 min 90°F
LRIF1 43 mi86 min 88°F
WWEF1 45 mi146 min 88°F

Wind History for Naples, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Naples, Naples Municipal Airport, FL33 mi33 minW 710.00 miA Few Clouds91°F75°F61%1016.8 hPa

Wind History from APF (wind in knots)
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Last 24hrNW7NW10E8
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NE4CalmE3CalmE3NE4NE4E3E5E4E5E3NE4NE4NE3CalmCalmN4W6W8W7
1 day agoSW11W7W6NW6W4CalmSE5E3NE3CalmE3CalmSE3CalmNE3E4E5E7E5--SE5NW5W8W9
2 days agoSW8W8SW4W6W3CalmCalmCalmCalmCalmSE4CalmE3CalmE3E3SE3SE445SW9W7SW9W9
G16

Tide / Current Tables for Chokoloskee, Florida
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Chokoloskee
Click for Map
Thu -- 02:40 AM EDT     Moonrise
Thu -- 05:14 AM EDT     1.06 feet Low Tide
Thu -- 06:59 AM EDT     Sunrise
Thu -- 10:31 AM EDT     3.38 feet High Tide
Thu -- 04:28 PM EDT     Moonset
Thu -- 07:07 PM EDT     0.09 feet Low Tide
Thu -- 07:59 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
2.72.52.11.61.31.11.21.72.32.93.33.43.22.82.31.81.20.60.20.10.20.81.52.3

Tide / Current Tables for Pavilion Key, Florida
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Pavilion Key
Click for Map
Thu -- 02:41 AM EDT     Moonrise
Thu -- 03:24 AM EDT     1.37 feet Low Tide
Thu -- 06:59 AM EDT     Sunrise
Thu -- 09:20 AM EDT     4.52 feet High Tide
Thu -- 04:28 PM EDT     Moonset
Thu -- 05:17 PM EDT     0.12 feet Low Tide
Thu -- 07:58 PM EDT     Sunset
Thu -- 11:40 PM EDT     3.91 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
3.22.51.81.41.41.92.73.54.14.54.54.13.62.81.91.10.40.10.20.71.62.53.33.8

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 Miami-South Florida, FL (15,3,4,5)
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Ground Weather Radar Station Miami, 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.