Tuesday, March28, 2017 L-36.com

Marine Weather and Tides
Harbour Heights, 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 7:20AMSunset 7:45PM Tuesday March 28, 2017 5:33 PM EDT (21:33 UTC) Moonrise 6:53AMMoonset 7:33PM Illumination 2% Phase: Waxing Crescent; 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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GMZ856 Coastal Waters From Bonita Beach To Englewood Fl Out 20 Nm- 337 Pm Edt Tue Mar 28 2017
Tonight..Northwest winds around 10 knots then becoming north around 5 knots after midnight, then becoming northeast toward morning. Seas 2 feet or less. Bay and inland waters a light chop.
Wednesday..Southeast winds around 5 knots then becoming southwest around 10 knots in the afternoon. Seas 2 feet or less. Bay and inland waters a light chop.
Wednesday night..West winds around 10 knots then becoming northwest around 5 knots late in the evening, then becoming northeast after midnight then becoming east 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 5 to 10 knots increasing to around 15 knots toward morning. Seas 2 feet. Bay and inland waters a moderate chop.
Friday..South winds around 15 knots. Seas 2 to 3 feet. Bay and inland waters a moderate chop. A chance of showers and a slight chance of Thunderstorms.
Friday night..Southwest winds around 15 knots diminishing to 5 to 10 knots in the late evening and overnight. Seas 2 to 3 feet. Bay and inland waters a moderate chop. A slight chance of Thunderstorms in the evening, then a slight chance of showers after midnight.
Saturday..West winds around 5 knots. Seas 2 feet. Bay and inland waters smooth. A slight chance of showers in the morning.
Saturday night..Northwest winds around 5 knots then becoming north after midnight. Seas 2 feet. Bay and inland waters smooth.
Sunday..East winds around 5 knots then becoming south in the afternoon. Seas 2 feet. Bay and inland waters smooth.
GMZ800 Synopsis For The Coastal Waters From Bonita Beach To Suwannee River- 337 Pm Edt Tue Mar 28 2017
Synopsis..Benign marine forecast for the next few days as high pressure dominates the region. Light east to southeast flow overnight into the morning hours will turn west and southwest near the coast each afternoon with sea breeze development...and then expand offshore with time through the afternoon/early evening hours. No rainfall is expected through at least Thursday. Confidence then increases that the approach of a cold front Thursday night into Friday will bring an increase in southerly winds...possibly to cautionary or advisory levels...and a potential round of showers and Thunderstorms over the eastern gulf of mexico.

7 Day Forecast for Marine Location Near Harbour Heights, FL
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location: 26.98, -82     debug

Area Discussion for - Tampa Bay, FL
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Fxus62 ktbw 281924
area forecast discussion
national weather service tampa bay ruskin fl
324 pm edt Tue mar 28 2017

Short term (tonight-Wednesday)
The warm and dry pattern will persist as mid/upper level ridging
and weak surface pressure remain across the region. Low level flow
will remain light allowing a decent sea breeze to develop in the
afternoon and move well inland. Moisture will remain limited so no
precipitation is expected just some more scattered to broken
stratocumulus/altocumulus with daytime heating. Temperatures will
remain above normal with lows tonight ranging from the mid 50s
inland nature coast to the mid to upper 60s along the coast from
around tampa bay southward. Highs on Wednesday will climb into the
middle and upper 80s away from the coast, possibly near 90 in a
few spots, but should remain just below the record highs for the
date. Along the coast temperatures will climb into the middle and
upper 70s then drop back a few degrees as the sea breeze develops.

Mid term/long term (Wednesday night-Tuesday)
Mid/upper-level ridging over the state on Wednesday night will be
shunted eastward through Thursday night as a closed low/trough
swings into the southeast. At the surface, weak high pressure over
the region for mid-week will weaken as a surface low moves up toward
the great lakes region Thursday night into Friday, with a trailing
cold front moving into the southeast. A fairly light flow with an
afternoon sea breeze for Thursday will give way to a more southerly
flow Thursday night ahead of the front. Global models are fairly in-
line regarding timing of the rain, which looks to be more Friday
afternoon and evening. The front will clear the area by early
Saturday morning, as the upper trough moves quickly off the east
coast into the atlantic.

Ridging will quickly build back in aloft for the weekend as another
trough or closed low shifts into texas on Sunday. The overall
weather for both Saturday and Sunday over our area will be quiet,
with not much expected in the way of rain chances. Temperatures will
remain on the warm side, and could even approach 90 degrees in some
spots over the interior on Sunday with the building ridge.

The forecast for Monday and Tuesday of next week remains rather
uncertain, as global models continue to show different solutions
regarding timing and strength of the next trough and surface low.

Given this, will stick with a persistence forecast given that we are
still a week out with this system.

Vfr conditions will prevail for the next 24 hours with the
possibility of some MVFR visibilities at lal and pgd late tonight.

Otherwise, the light flow will persist with a shift to westerly
for coastal terminals this afternoon and again during midday and
early afternoon Wednesday as the sea breeze develops and moves
inland. Winds at pie may briefly shift to northeast/variable
around midday Wednesday with the initial bay breeze before the
gulf sea breeze arrives and turns winds westerly.

The rather light east to southeast winds overnight and during the
morning hours will shift to onshore with the sea breeze near the
coast each afternoon through Thursday. A cold front will approach
Thursday night into Friday bringing an increase in southerly winds
to cautionary, possibly advisory levels, and a potential round of
showers and thunderstorms over the eastern gulf of mexico. Winds
will shift to west and northwest and diminish behind the boundary
Friday night and Saturday.

Fire weather
Warm and dry weather will continue through Thursday with a wind
shift to westerly each afternoon with the development of the sea
breeze. Relative humidity will briefly approach 35% away from the
coast the next couple of afternoons, but extended durations of low
relative humidity are not anticipated and winds will be generally
light, preventing red flag conditions from occurring.

Fog potential... Patchy fog will develop away from the coast late
each night into the early morning for the next few days, but
widespread or dense fog is not expected.

Preliminary point temps/pops
Tpa 67 82 67 83 / 0 0 0 5
fmy 63 86 64 85 / 0 0 0 0
gif 63 88 65 88 / 0 0 0 10
srq 63 81 63 80 / 0 0 0 0
bkv 56 86 58 86 / 0 0 0 10
spg 69 82 69 82 / 0 0 0 0

Tbw watches/warnings/advisories
Fl... None.

Gulf waters... None.

Short term/aviation/marine/fire weather... 69/close
mid term/long term/decision support... 05/carlisle

Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
FMRF1 - 8725520 - Fort Myers, FL 24 mi52 min W 11 G 13 82°F 80°F1014.3 hPa
VENF1 - Venice, FL 25 mi34 min W 8.9 G 8.9 74°F 74°F1015.4 hPa (-1.8)66°F
42013 - C10 - Navy-2 51 mi64 min W 5.8 G 5.8 70°F 73°F

Wind History for C-Cut, FL
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1 day
2 days

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Punta Gorda, Charlotte County Airport, FL4 mi41 minW 1310.00 miMostly Cloudy86°F60°F42%1015.2 hPa
Venice Municipal Airport, FL24 mi39 minW 910.00 miFair77°F66°F69%1015.9 hPa

Wind History from PGD (wind in knots)
Last 24hrNE7NE6W5SW3S5SE4CalmSE3SE3E4E4CalmCalmCalmCalmSE4SE4S5W75N9NW6--W13
1 day agoN3CalmNW10N54E8SE8SE6SE4E3E3E3E4NE3NE4NE5NE7E8E7E8N7NE10NE12
2 days agoE8E7SE6SE7E7E8E5NE3CalmN4N4E4E6NE4NE4E4E10SE8SE85

Tide / Current Tables for Shell Point, Peace River, Charlotte Harbor, Florida
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Shell Point
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Tue -- 04:47 AM EDT     1.79 feet High Tide
Tue -- 07:22 AM EDT     Sunrise
Tue -- 07:53 AM EDT     Moonrise
Tue -- 11:36 AM EDT     0.19 feet Low Tide
Tue -- 04:54 PM EDT     1.76 feet High Tide
Tue -- 07:43 PM EDT     Sunset
Tue -- 08:32 PM EDT     Moonset
Tue -- 11:57 PM EDT     0.01 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Tide / Current Tables for Boca Grande Pass, Charlotte Harbor, Florida Current
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Boca Grande Pass
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Tue -- 03:10 AM EDT     -0.00 knots Slack
Tue -- 06:13 AM EDT     -2.06 knots Max Ebb
Tue -- 07:23 AM EDT     Sunrise
Tue -- 07:54 AM EDT     Moonrise
Tue -- 09:06 AM EDT     0.00 knots Slack
Tue -- 12:09 PM EDT     2.81 knots Max Flood
Tue -- 03:14 PM EDT     -0.00 knots Slack
Tue -- 06:31 PM EDT     -2.43 knots Max Ebb
Tue -- 07:44 PM EDT     Sunset
Tue -- 08:33 PM EDT     Moonset
Tue -- 09:38 PM EDT     0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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

GOES Local Image of Southeast    EDIT

Wind Forecast for Tampa Bay, FL (17,4,5,8)
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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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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.