Monday, March25, 2019 L-36.com


Marine Weather and Tides
Iona, FL

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 7:25AMSunset 7:42PM Monday March 25, 2019 5:49 PM EDT (21:49 UTC) Moonrise 11:40PMMoonset 9:55AM Illumination 76% Phase: Waning Gibbous; Moon at 20 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- 348 Pm Edt Mon Mar 25 2019
Tonight..North winds around 10 knots. Seas 2 feet or less. Bay and inland waters a light chop.
Tuesday..Northwest winds around 10 knots. Seas 2 feet. Bay and inland waters a light chop.
Tuesday night..Northwest winds around 15 knots. Seas 2 to 3 feet. Bay and inland waters a moderate chop.
Wednesday..North winds 10 to 15 knots increasing to around 20 knots in the afternoon. Seas 3 to 5 feet. Bay and inland waters choppy.
Wednesday night..North winds around 20 knots. Seas 3 to 5 feet. Bay and inland waters choppy.
Thursday..Northeast winds around 20 knots diminishing to 10 to 15 knots in the afternoon. Seas 3 to 5 feet. Bay and inland waters choppy.
Thursday night..Northeast winds around 15 knots. Seas 2 to 3 feet. Bay and inland waters a moderate chop.
Friday..Northeast winds around 15 knots diminishing to 5 to 10 knots in the late morning and afternoon. Seas 2 to 3 feet. Bay and inland waters a moderate chop.
Friday night..East winds around 10 knots. Seas 2 feet or less. Bay and inland waters a light chop.
Saturday..Southeast winds around 10 knots then becoming southwest around 5 knots late in the afternoon. Seas 2 feet or less. Bay and inland waters a light chop.
GMZ800 Synopsis For The Coastal Waters From Bonita Beach To Suwannee River- 348 Pm Edt Mon Mar 25 2019
Synopsis..High pressure will remain across the waters through tonight with winds light west to northwest winds and slight seas. A cold front will move south through the waters during Tuesday and Tuesday night shifting winds to northwest to north with speeds increasing to exercise caution, possibly small craft advisory criteria. Breezy northeasterly winds will persist for Wednesday and Thursday as the pressure gradient tightens between developing surface low pressure off the florida east coast and strong surface high pressure along the eastern seaboard. Lighter northeast to east winds and lower seas should return to the waters on Friday as the surface high weakens and shifts east into the atlantic ocean.


7 Day Forecast for Marine Location Near Iona, FL
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location: 26.53, -81.99     debug


Area Discussion for - Tampa Bay, FL
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Fxus62 ktbw 251917
afdtbw
area forecast discussion
national weather service tampa bay ruskin fl
317 pm edt Mon mar 25 2019

Discussion (tonight - next Monday)
Mid upper level trough will deepen over the eastern u.S. Through
midweek as a series of shortwaves move through it. This will help
push a cold front south through the region Tuesday and early Tuesday
night followed by a large area of high pressure building in from the
north. Limited moisture will accompany the front so not looking for
much more than some additional clouds and possibly a couple of
showers over the nature coast and interior Tuesday. During Tuesday
night and Wednesday an area of low pressure will develop off the
florida east coast bahamas and the gradient between this low and the
high to the north will tighten setting up a breezy northeasterly
flow. This will also help bring some deeper moisture back into the
region with a chance of showers for the nature coast down into the
central parts of the florida peninsula Tuesday night into early
Wednesday before pulling away during Wednesday afternoon. This will
also usher in some cooler drier air for midweek with temperatures a
few degrees below normal.

For late in the week into the first part of the weekend weak
mid upper level ridging will setup over florida with the surface
high moving east out into the atlantic ocean, but continuing to
ridge southwest across florida. This will bring a quick moderating
trend with temperatures back near to a few degrees above normal by
Friday.

For early next week another mid upper level trough and its
associated surface low pressure system will be developing and moving
across the eastern half of the conus. The cold front accompanying
this system will move toward and into the region Sunday into Monday,
but the exact timing and location vary between the long range
models. For now have left the chance of showers in the forecast for
Sunday night and Monday. Temperatures will remain near a few degrees
above normal.

Aviation
Vfr conditions are expected at all terminal sites through tonight
with west to northwest at 5 to 10 knots this afternoon becoming
light early tonight and then increasing to around 10 knots by
Tuesday afternoon.

Marine
High pressure will remain across the waters through tonight with
winds light west to northwest winds and slight seas. A cold front
will move south through the waters during Tuesday and Tuesday night
shifting winds to northwest to north with speeds increasing to
exercise caution, possibly small craft advisory criteria. Breezy
northeasterly winds will persist for Wednesday and Thursday as the
pressure gradient tightens between developing surface low pressure
off the florida east coast and strong surface high pressure along
the eastern seaboard. Lighter northeast to east winds and lower seas
should return to the waters on Friday as the surface high weakens
and shifts east into the atlantic ocean.

Fire weather
High dispersion indices will be possible through Thursday, but
relative humidity values are expected to remain above critical
levels with no red flag conditions expected. Some patchy fog will be
possible over inland areas late tonight into early Tuesday morning,
but widespread visibility restrictions are not expected. No other
significant fog is expected for the remainder of the week.

Preliminary point temps pops
Tpa 66 78 58 73 0 10 30 10
fmy 64 82 60 78 0 10 10 10
gif 62 81 58 73 0 10 30 20
srq 63 78 58 75 0 10 10 10
bkv 57 80 53 70 0 10 40 10
spg 67 77 62 71 0 10 20 10

Tbw watches warnings advisories
Fl... None.

Gulf waters... None.

Discussion aviation marine fire weather... 69 close
decision support... 09 rude


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
BGCF1 - Big Carlos Pass, FL 10 mi115 min WSW 11 G 12 75°F 1018 hPa
FMRF1 - 8725520 - Fort Myers, FL 10 mi49 min 80°F 74°F1016.5 hPa (-2.0)
NPSF1 - 8725110 - Naples, FL 29 mi49 min 80°F 75°F1016.9 hPa (-2.1)
RKXF1 - Rookery Bay Reserve, FL 37 mi64 min SW 7 82°F 65°F
VENF1 - Venice, FL 45 mi49 min W 8 G 9.9 73°F 71°F1017.3 hPa (-1.9)67°F

Wind History for Naples, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Fort Myers, Page Field, FL7 mi56 minWNW 710.00 miFair84°F55°F37%1016.7 hPa
Fort Myers, Southwest Florida International Airport, FL12 mi56 minWSW 910.00 miMostly Cloudy83°F62°F49%1016.3 hPa

Wind History from FMY (wind in knots)
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Last 24hrCalmS5W6S4E3SE5SE6SE6S3CalmCalmCalmCalmNE3CalmCalmSE4E8E6Calm34SW5W7
1 day agoW4CalmW5NW3N4NW3NE3NE5NE4E4E4CalmE3E3NE4E6E6E5E13E9E9E653
2 days agoW11NW11NW7NW7NW8N5CalmCalmCalmE3CalmNE3NE6NE5NE5N5NE8E8E6E6SE6Calm3W7

Tide / Current Tables for Iona Shores, Florida
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Iona Shores
Click for Map
Mon -- 01:48 AM EDT     -0.08 feet Low Tide
Mon -- 07:26 AM EDT     Sunrise
Mon -- 07:55 AM EDT     0.52 feet High Tide
Mon -- 10:54 AM EDT     Moonset
Mon -- 12:39 PM EDT     0.36 feet Low Tide
Mon -- 06:26 PM EDT     0.93 feet High Tide
Mon -- 07:41 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.1-0.1-0.1-00.10.30.40.50.50.50.50.40.40.40.40.60.70.80.90.90.80.70.50.4

Tide / Current Tables for Point Ybel (0.4 Mi. NW of), Florida Current
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Point Ybel (0.4 Mi. NW of)
Click for Map
Mon -- 12:13 AM EDT     0.00 knots Slack
Mon -- 02:51 AM EDT     0.94 knots Max Flood
Mon -- 07:26 AM EDT     Sunrise
Mon -- 08:11 AM EDT     -0.00 knots Slack
Mon -- 09:40 AM EDT     -0.17 knots Max Ebb
Mon -- 10:51 AM EDT     0.00 knots Slack
Mon -- 10:55 AM EDT     Moonset
Mon -- 02:10 PM EDT     1.10 knots Max Flood
Mon -- 05:00 PM EDT     -0.00 knots Slack
Mon -- 07:41 PM EDT     Sunset
Mon -- 09:39 PM EDT     -1.25 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.10.50.80.90.80.60.40.20-0.1-0.200.40.91.110.60-0.5-0.8-1.1-1.2-1.2-1.1

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.
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Other links: Northern Pacific     Contential US     Full GOES-East
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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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.