Saturday, January19, 2019 L-36.com


Marine Weather and Tides
Rotonda, 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 7:16AMSunset 6:01PM Saturday January 19, 2019 10:03 PM EST (03:03 UTC) Moonrise 4:35PMMoonset 5:38AM Illumination 99% Phase: Waxing Gibbous; Moon at 14 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- 842 Pm Est Sat Jan 19 2019
.small craft advisory in effect from 5 am est Sunday through Monday morning...
Rest of tonight..South winds 10 to 15 knots increasing to around 20 knots after midnight, then becoming west toward morning. Seas 3 to 5 feet. Bay and inland waters choppy. Showers likely and a slight chance of Thunderstorms.
Sunday..Northwest winds 20 to 25 knots. Seas 6 to 8 feet. Bay and inland waters rough. A chance of showers.
Sunday night..Northwest winds around 20 knots then becoming north 10 to 15 knots after midnight. Seas 6 to 8 feet. Bay and inland waters choppy.
Monday..Northeast winds around 15 knots diminishing to 5 to 10 knots in the afternoon. Seas 4 to 6 feet. Bay and inland waters a moderate chop.
Monday night..East winds around 15 knots. Seas 2 to 4 feet. Bay and inland waters a moderate chop.
Tuesday..East winds around 15 knots. Seas 2 to 3 feet. Bay and inland waters a moderate chop.
Tuesday night..East winds around 15 knots. Seas 2 to 4 feet. Bay and inland waters a moderate chop.
Wednesday..Southeast winds around 15 knots. Seas 2 to 4 feet. Bay and inland waters a moderate chop. A slight chance of showers.
Wednesday night..South winds around 20 knots diminishing to 10 to 15 knots toward morning. Seas 2 to 4 feet. Bay and inland waters choppy. A chance of showers and a slight chance of Thunderstorms.
Thursday..Southwest winds around 15 knots then becoming northwest late in the afternoon. Seas 2 to 4 feet. Bay and inland waters a moderate chop. Showers likely and a slight chance of Thunderstorms.
GMZ800 Synopsis For The Coastal Waters From Bonita Beach To Suwannee River- 842 Pm Est Sat Jan 19 2019
Synopsis..Winds will continue to increase overnight as a cold front passes through the area, bringing showers and Thunderstorms along and ahead of it. Strong high pressure builds into the region behind the front and will produce hazardous winds and seas through Sunday night. High pressure is expected to weaken and move over the area with lighter winds and seas early next week.


7 Day Forecast for Marine Location Near Rotonda, FL
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location: 26.74, -82.33     debug


Area Discussion for - Tampa Bay, FL
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Fxus62 ktbw 200103
afdtbw
area forecast discussion
national weather service tampa bay ruskin fl
803 pm est Sat jan 19 2019

Discussion
Some pre-frontal showers moving into the nature coast
already this evening. Main frontal line of showers and a few
thunderstorms is still back in the central fl panhandle.

This will move through the area overnight and linger into
early Sunday morning, with a few strong to possibly severe
storms possible under a marginal risk. Current forecast is
on track with lows in the lower 50s north to the lower 60s
south. No updates planned. Lake wind advisory remains in
effect for Sunday.

Aviation
Showers and storms will be possible within the next hour or
so at the northern coastal terminals, and generally after
midnight across the rest of the area. Winds will also become
gusty overnight and continue through the day Sunday. MVFR to
ifr conditions possible in storms, otherwise expectVFR
conditions to become MVFR ceilings overnight, then gradually
lift and clear behind the front.

Marine
Southerly winds and seas will continue to increase through
the evening, with winds turning to the west then northwest
overnight as the front moves through the area. Showers and
some thunderstorms will also move through the waters along
and ahead of the front overnight and into Sunday morning.

Winds and seas remain at advisory levels through Sunday
evening, then start to subside overnight. SCA and high
surf high rip current beach hazards remains in effect.

Preliminary point temps pops
Tpa 59 60 40 60 90 30 0 0
fmy 63 64 41 64 70 40 0 0
gif 59 60 36 60 70 30 0 0
srq 61 62 43 60 80 30 0 0
bkv 56 57 34 59 90 20 0 0
spg 59 60 44 59 90 30 0 0

Tbw watches warnings advisories
Fl... High rip current risk through Monday evening for coastal
charlotte-coastal hillsborough-coastal lee-coastal
manatee-coastal sarasota-pinellas.

Lake wind advisory from 10 am to 5 pm est Sunday for
coastal charlotte-coastal citrus-coastal hernando-
coastal hillsborough-coastal lee-coastal levy-coastal
manatee-coastal pasco-coastal sarasota-desoto-hardee-
highlands-inland charlotte-inland citrus-inland
hernando-inland hillsborough-inland lee-inland levy-
inland manatee-inland pasco-inland sarasota-pinellas-
polk-sumter.

High surf advisory from 7 am Sunday to 9 am est Monday for
coastal charlotte-coastal hillsborough-coastal lee-
coastal manatee-coastal sarasota-pinellas.

Beach hazards statement through Monday evening for coastal
sarasota.

Gulf waters... Small craft advisory until 7 am est Monday for coastal
waters from englewood to tarpon springs fl out 20 nm-
coastal waters from tarpon springs to suwannee river
fl out 20 nm-waters from englewood to tarpon springs
fl out 20 to 60 nm-waters from tarpon springs to
suwannee river fl out 20 to 60 nm.

Small craft advisory from 5 am Sunday to 7 am est Monday
for charlotte harbor and pine island sound-coastal
waters from bonita beach to englewood fl out 20 nm-
tampa bay waters-waters from bonita beach to
englewood fl out 20 to 60 nm.

Update aviation marine... 24 hubbard
upper air decision support... 05 carlisle


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
VENF1 - Venice, FL 24 mi63 min SSE 16 G 17 67°F 67°F1012.8 hPa (-0.7)65°F
FMRF1 - 8725520 - Fort Myers, FL 25 mi33 min SSE 6 G 8.9 70°F 67°F1012.6 hPa
BGCF1 - Big Carlos Pass, FL 33 mi69 min S 8.9 G 13 72°F 1014.1 hPa
42013 - C10 - Navy-2 43 mi93 min S 18 G 21 68°F 66°F1012.4 hPa

Wind History for Naples, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Punta Gorda, Charlotte County Airport, FL22 mi70 minS 1010.00 miMostly Cloudy69°F59°F70%1013.6 hPa
Venice Municipal Airport, FL24 mi68 minSSE 1410.00 miPartly Cloudy70°F62°F78%1012.9 hPa

Wind History from PGD (wind in knots)
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Last 24hrCalmE3CalmCalmCalmSE3CalmSE5SE5CalmS5S10S13S14
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1 day agoN6N5N3CalmCalmCalmN4N4N3CalmNE4E53Calm33W5W4SW6SW5SW5NW4CalmCalm
2 days agoN6N6N5N5NE6N4NE4N3N5N4NE8NE53E5E3CalmCalmW7SW6W7W7W4CalmNW3

Tide / Current Tables for Port Boca Grande, Charlotte Harbor, Florida
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Port Boca Grande
Click for Map
Sat -- 05:15 AM EST     -0.68 feet Low Tide
Sat -- 05:37 AM EST     Moonset
Sat -- 07:18 AM EST     Sunrise
Sat -- 01:47 PM EST     0.91 feet High Tide
Sat -- 03:36 PM EST     0.85 feet Low Tide
Sat -- 04:35 PM EST     Moonrise
Sat -- 06:01 PM EST     Sunset
Sat -- 10:34 PM EST     1.75 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.20.80.3-0.1-0.5-0.7-0.6-0.5-0.20.10.40.70.80.90.90.90.90.911.21.41.61.71.7

Tide / Current Tables for Boca Grande Pass, Charlotte Harbor, Florida Current
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Boca Grande Pass
Click for Map
Sat -- 03:20 AM EST     -3.55 knots Max Ebb
Sat -- 05:37 AM EST     Moonset
Sat -- 07:18 AM EST     Sunrise
Sat -- 07:20 AM EST     0.00 knots Slack
Sat -- 10:42 AM EST     3.02 knots Max Flood
Sat -- 04:30 PM EST     0.11 knots Min Flood
Sat -- 04:35 PM EST     Moonrise
Sat -- 06:01 PM EST     Sunset
Sat -- 09:12 PM EST     2.22 knots Max Flood
Sat -- 11:57 PM EST     -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-1.1-2.3-3.1-3.5-3.4-2.9-1.8-0.50.92.12.932.61.91.10.50.20.20.51.21.82.221.2

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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Tampa Bay, FL (22,6,7,8)
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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.