Tuesday, April25, 2017 L-36.com


Marine Weather and Tides
Grove City, FL

Version 3.4
What's New / NOTES
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.
3/12/2015 - Added section for Gulf current for users in the GMZ marine zones.
This was requested by a user. If you have requests, please let me know.

Sunrise 6:53AMSunset 8:00PM Tuesday April 25, 2017 8:32 AM EDT (12:32 UTC) Moonrise 5:28AMMoonset 6:18PM Illumination 0% Phase: New Moon; Moon at 29 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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GMZ856 Coastal Waters From Bonita Beach To Englewood Fl Out 20 Nm- 347 Am Edt Tue Apr 25 2017
Today..West winds around 10 knots. Seas 2 to 4 feet. Bay and inland waters a light chop.
Tonight..West winds around 10 knots diminishing to around 5 knots after midnight, then becoming southwest toward morning. Seas 2 to 3 feet. Bay and inland waters a light chop.
Wednesday..Southeast winds around 5 knots then becoming south around 10 knots in the late morning and afternoon. Seas 2 feet. Bay and inland waters a light chop.
Wednesday night..Southeast winds around 5 knots increasing to around 10 knots toward morning. Seas 2 feet or less. Bay and inland waters a light chop.
Thursday..South winds around 10 knots. Seas 2 feet. Bay and inland waters a light chop.
Thursday night..Southeast winds around 10 knots. Seas 2 feet. Bay and inland waters a light chop.
Friday..Southeast winds around 10 knots. Seas 2 feet. Bay and inland waters a light chop.
Friday night..Southeast winds around 15 knots. Seas 2 feet. Bay and inland waters a moderate chop.
Saturday..Southeast winds around 15 knots. Seas 2 to 3 feet. Bay and inland waters a moderate chop.
GMZ800 Synopsis For The Coastal Waters From Bonita Beach To Suwannee River- 347 Am Edt Tue Apr 25 2017
Synopsis..Surface high pressure over the central gulf of mexico this morning will shift east through the day and will move into the western atlantic later tonight extending back to the west across the central through Wednesday where it will remain in place through the end of the week and into the upcoming weekend. As the high moves east westerly winds across the waters today will back to the southeast and south tonight through the remainder of the week with an onshore sea breeze component developing along the coast each afternoon.

7 Day Forecast for Marine Location Near Grove City, FL
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location: 26.89, -82.35     debug


Area Discussion for - Tampa Bay, FL
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Fxus62 ktbw 251129
afdtbw
area forecast discussion
national weather service tampa bay ruskin fl
729 am edt Tue apr 25 2017

Aviation
25/12z-26/12z.VFR prevails as bkn 4thsd ft sc continues
through mid-late morning... Then sct becoming few. West
winds pick up slightly during the afternoon with some
modest gusts.

Prev discussion /issued 332 am edt Tue apr 25 2017/

Elevated fire dangers to continue...

short term (today - Wednesday)...

cyclonic flow aloft associated with a closed upper level low over
south carolina early this morning will transistion to a zonal flow
with weak short wave ridging later today through Wednesday as the
closed low and attendant surface low lift further northward up the
eastern seaboard. At the surface high pressure over the central gulf
of mexico this morning will support pleasant dry weather with a
westerly wind flow over the region today as the high moves slowly
east through the day. After a cool start temperatures will rebound
back to near seasonal norms under partly cloudy skies with highs
climbing into the upper 70s along the coast, and around 80 to the
lower 80s over inland areas during the afternoon.

Tonight into Wednesday surface high pressure will shift east into
the atlantic and extend back to the west across the south-central
peninsula as a zonal flow and weak ridging aloft continues. As the
surface high moves east winds will back to the southeast and south
which will begin a warming trend across the forecast area. Stable
dry conditions will support mainly clear skies tonight, and ample
sunshine on Wednesday. Near normal temperatures tonight will climb
to slightly above normal on Wednesday with highs climbing into the
lower 80s along the coast, and mid to upper 80s inland.

Long term (Wednesday night - Monday)...

Wednesday night and Thursday, a deep upper level trough will be
rotating from the southern plains through the southeastern conus,
pushing weak mid level ridging out of florida. At the surface,
atlantic high pressure will ridge across the florida peninsula and
hold through the second half of the week, setting up warm and stable
conditions, with building temperatures. High temperatures over the
interior will top out in the low to mid 90s each afternoon Thursday
through Sunday, with mid to upper 80s along the coast.

Low level moisture will also be increasing through the week, which
will increase humidity and allow for slight chances of showers each
afternoon Friday through Sunday. By Monday a stronger upper level
trough will be crossing the eastern conus, pushing a cold front into
the florida panhandle. The upper level trough is forecast to stay
well north of the florida peninsula, so the cold front will lose
momentum as it moves into the forecast area and is not looking like
it will make a fast or clean push through the region. Still, as the
front approaches it will bring better chances for showers and
thunderstorms ahead of the front Monday and Monday night.

Marine...

c-man and offshore buoy trends show that wind and seas continue to
diminish and subside early this morning. A closed upper level low
and attendant surface low lifting slowly up the eastern seaboard and
surface high pressure over the central gulf of mexico will maintain
a westerly wind flow in the 10 to 15 knot range with seas of 2 to 4
feet over the gulf waters today. Tonight into Wednesday the surface
high over the gulf will shift east into the atlantic and extend back
to the west across the south-central peninsula which will allow
winds to back to the southeast and south, with lighter winds
supporting an onshore sea breeze component developing along the
coast during Wednesday afternoon.

Thursday through Saturday surface high pressure from the western
atlantic extending west across the central peninsula will maintain a
light southeast to southerly wind flow across the gulf waters with
an onshore sea breeze component developing along the coast each
afternoon. Winds and seas should remain below 15 knots and 5 feet
through the period with no headlines anticipated at this
time.

Fire weather...

some pockets of humidity values below 35 percent will be possible
over interior polk county this afternoon, but with durations of an
hour or less red flag conditions are not expected. On Wednesday a
larger area of humidity values below 35 percent can be expected over
sumter, polk, highlands, and desoto counties during the afternoon,
but again limited durations will preclude red flag conditions. Even
though red flag conditions are expected the very dry conditions
across the region will keep elevated fire dangers in place through
the remainder of the week and outdoor burning is not
recommended.

Preliminary point temps/pops
Tpa 78 65 81 69 / 0 0 0 0
fmy 80 63 84 68 / 0 0 0 0
gif 81 60 85 64 / 0 0 0 0
srq 77 65 79 67 / 0 0 0 0
bkv 79 59 83 59 / 0 0 0 0
spg 77 67 79 71 / 0 0 0 0

Tbw watches/warnings/advisories
Fl... High rip current risk until 10 am edt this morning for
coastal charlotte-coastal hillsborough-coastal lee-
coastal manatee-coastal sarasota-pinellas.

Gulf waters... None.

Aviation... 09/rude
short term/marine/fire weather... 57/mcmichael
long term... 18/fleming


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
VENF1 - Venice, FL 14 mi92 min NW 14 G 16 69°F 75°F1009.6 hPa (+1.2)57°F
FMRF1 - 8725520 - Fort Myers, FL 30 mi74 min NW 5.1 G 6 70°F 79°F1009.8 hPa
42013 - C10 - Navy-2 36 mi122 min NW 12 G 16 65°F 74°F

Wind History for C-Cut, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Venice Municipal Airport, FL13 mi77 minNW 11 G 1610.00 miFair68°F57°F69%1010.5 hPa
Punta Gorda, Charlotte County Airport, FL19 mi1.7 hrsNNW 610.00 miMostly Cloudy65°F55°F73%1010.2 hPa

Wind History from VNC (wind in knots)
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Last 24hrW10NW10W9NW10NW14NW14
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1 day agoNE7NE8NE10E7NE9E7
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NE13W10NW12NW12NW7NW10NW7NW7NW6CalmCalmNW9W8W9W9W9W6
2 days agoE7E6SE14SE9
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SE9SW7W6SW7CalmCalmCalmCalmCalmS3CalmNE4E4N4N5NE5NE4NE6NE6NE5

Tide / Current Tables for Englewood, Lemon Bay, Florida
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Englewood
Click for Map
Tue -- 01:48 AM EDT     1.24 feet High Tide
Tue -- 06:27 AM EDT     Moonrise
Tue -- 06:55 AM EDT     Sunrise
Tue -- 07:33 AM EDT     0.42 feet Low Tide
Tue -- 01:33 PM EDT     1.44 feet High Tide
Tue -- 07:17 PM EDT     Moonset
Tue -- 07:59 PM EDT     Sunset
Tue -- 08:19 PM EDT     -0.04 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
11.21.21.210.80.60.40.40.60.81.11.31.41.41.310.70.40.1-000.20.5

Tide / Current Tables for Boca Grande Pass, Charlotte Harbor, Florida Current
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Boca Grande Pass
Click for Map
Tue -- 02:27 AM EDT     -0.00 knots Slack
Tue -- 05:10 AM EDT     -1.62 knots Max Ebb
Tue -- 06:27 AM EDT     Moonrise
Tue -- 06:55 AM EDT     Sunrise
Tue -- 07:46 AM EDT     0.00 knots Slack
Tue -- 10:59 AM EDT     2.75 knots Max Flood
Tue -- 01:58 PM EDT     -0.00 knots Slack
Tue -- 05:25 PM EDT     -2.85 knots Max Ebb
Tue -- 07:17 PM EDT     Moonset
Tue -- 07:58 PM EDT     Sunset
Tue -- 08:46 PM EDT     0.00 knots Slack
Tue -- 11:51 PM EDT     2.94 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
2.41.60.5-0.5-1.3-1.6-1.4-0.80.31.42.42.72.41.3-0-1.3-2.3-2.8-2.8-2.2-1.10.31.72.7

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 Tampa Bay, FL (8,2,3,4)
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Ground Weather Radar Station Tampa Bay Area, 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.