Tuesday, April7, 2020
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Marine Weather and Tides
Captiva, FL

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 7:10AMSunset 7:49PM Tuesday April 7, 2020 3:27 PM EDT (19:27 UTC) Moonrise 6:36PMMoonset 6:06AM Illumination 100% Phase: Full Moon; Moon at 15 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- 251 Pm Edt Tue Apr 7 2020
Tonight..Northwest winds around 10 knots diminishing to around 5 knots after midnight. Seas 2 feet or less. Bay and inland waters a light chop.
Wednesday..West winds around 10 knots. Seas 2 feet or less. Bay and inland waters a light chop.
Wednesday night..West winds around 10 knots. Seas 2 feet or less. Bay and inland waters a light chop.
Thursday..West winds around 10 knots. Seas 2 feet. Bay and inland waters a light chop.
Thursday night..West winds around 10 knots. Seas 2 feet. Bay and inland waters a light chop.
Friday..Northwest winds around 10 knots. Seas 2 feet. Bay and inland waters a light chop.
Friday night..North winds around 10 knots then becoming east after midnight. Seas 2 feet. Bay and inland waters a light chop.
Saturday..East winds around 10 knots then becoming south around 5 knots in the afternoon. Seas 2 feet. Bay and inland waters a light chop.
Saturday night..Southeast winds 5 to 10 knots increasing to 15 to 20 knots after midnight. Seas 2 to 3 feet. Bay and inland waters a moderate chop.
Sunday..South winds around 20 knots diminishing to 15 to 20 knots in the afternoon. Seas 2 to 4 feet. Bay and inland waters choppy.
GMZ800 Synopsis For The Coastal Waters From Bonita Beach To Suwannee River- 251 Pm Edt Tue Apr 7 2020
Synopsis.. High pressure will build south of the region with westerly winds developing across the waters the remainder of the week. Increasing winds and seas over the weekend as a cold front approaches the region.


7 Day Forecast for Marine Location Near Captiva, FL
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location: 26.51, -82.2     debug


Area Discussion for - Tampa Bay, FL
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FXUS62 KTBW 071842 AFDTBW

Area Forecast Discussion National Weather Service Tampa Bay Ruskin FL 242 PM EDT Tue Apr 7 2020

DISCUSSION. U/L pattern will begin with main northern stream flow across the northern tier of the U.S. with southern stream flow extending from Baja California . across the southern plains and the southeast U.S. and Florida riding over a strong U/L ridge located over the central Gulf of Mexico.

Significant U/L pattern change developing across much of the CONUS over the next seven days as a strong cut-off low along the southern California coast will very slowly push east across the desert southwest through the remainder of the week. A strong northern stream disturbance will dig through the northern and central plains over the upcoming weekend causing the closed low to open up over the southern plains and will be absorbed into the northern stream flow quickly lifting northeast across the Lower Mississippi and Ohio River Valley's late in the weekend. A deep L/W trough will be carved out through the central U.S. by early next week with the subtropical ridge shifting east over the Caribbean and southern Bahamas.

At the surface, a weak stationary boundary will extend across north Florida/southern Georgia on Wednesday and Thursday. On Friday, U/L energy will override the frontal boundary increasing isentropic lift and the front will begin to sink south as a cold front across the central Florida peninsula with an chance of showers developing. The shower activity is expected to be post frontal in the cooler air which will decrease the risk of thunderstorm activity. Can't rule out an elevated thunderstorm from developing this far out in the forecast, but it appears unlikely. The frontal boundary will stall across south central Florida Friday night.

Cooler drier air will advect across much of the region on Saturday . however this will be very brief. An U/L disturbance will lift northeast from the Lower Mississippi Valley over the weekend and will pull the frontal boundary rapidly north as a warm front with very warm humid conditions developing across west central and southwest Florida on Sunday. A cold front associated with the exiting U/L disturbance will push slowly across the northern and central forecast area Sunday night and Monday with an increasing chance of showers and thunderstorms . before stalling across south central Florida Monday night.

AVIATION. Patchy late night fog possible tonight mainly over the interior and southwest Florida vcnty LAL/PGD. May briefly see MVFR cigs 015-025 after sunrise through mid morning as daytime heating begins generation of CU field . before lifting 035-045 during the afternoon. Otherwise VFR conditions will prevail.

MARINE. No marine hazards expected through the remainder of the week as high pressure will hold over the region with predominately westerly flow each day.

FIRE WEATHER. No fire weather hazards are expected for the next several days as relative humidity values are expected to remain above critical levels.

Preliminary Point Temps/PoPs. TPA 70 84 73 85 / 0 0 0 0 FMY 69 87 71 86 / 0 0 0 0 GIF 67 89 71 88 / 0 0 0 0 SRQ 68 84 71 85 / 0 0 0 0 BKV 64 85 68 85 / 0 0 0 10 SPG 72 84 72 84 / 0 0 0 0

TBW WATCHES/WARNINGS/ADVISORIES. FL . None. Gulf waters . None.

DISCUSSION/AVIATION/MARINE/FIRE WEATHER . 13/Oglesby DECISION SUPPORT . 69/Close


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
BGCF1 - Big Carlos Pass, FL 18 mi94 min WSW 8 G 8.9 81°F 1018.2 hPa
FMRF1 - 8725520 - Fort Myers, FL 20 mi58 min Calm G 0 85°F 79°F1017.2 hPa
NPSF1 - 8725110 - Naples, FL 33 mi58 min W 8 G 9.9 81°F 80°F1017.9 hPa
RKXF1 - Rookery Bay Reserve, FL 41 mi103 min SW 4.1 89°F 1018 hPa69°F
VENF1 - Venice, FL 41 mi88 min W 11 G 11 76°F 78°F1018.2 hPa (-1.5)71°F

Wind History for Naples, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Fort Myers, Page Field, FL18 mi35 minN 010.00 miMostly Cloudy89°F64°F43%1016.5 hPa
Fort Myers, Southwest Florida International Airport, FL23 mi35 minWNW 310.00 miMostly Cloudy88°F64°F45%1016.2 hPa

Link to 5 minute data for KFMY

Wind History from FMY (wind in knots)
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Last 24hrNE10
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E11E10E5NE7NE7NE6NE4NE5NE5NE4CalmNE5NE6E6E8E5SE445Calm
1 day agoS5W7SW7NE13NE9NE7NE9NE9NE6NE7E6E4E6NE6NE8NE5NE6N7E4--6E7N7N12
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SW10SW9W8W6W5CalmCalmCalmCalmCalmCalmNE4E5CalmCalmE4CalmCalmS4S8S6SW6

Tide / Current Tables for Captiva Island, Pine Island Sound, Florida
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Captiva Island
Click for Map
Tue -- 01:17 AM EDT     1.88 feet High Tide
Tue -- 07:05 AM EDT     Moonset
Tue -- 07:12 AM EDT     Sunrise
Tue -- 08:10 AM EDT     0.10 feet Low Tide
Tue -- 01:44 PM EDT     1.72 feet High Tide
Tue -- 07:36 PM EDT     Moonrise
Tue -- 07:49 PM EDT     Sunset
Tue -- 08:28 PM EDT     0.05 feet Low Tide
Tue -- 10:35 PM EDT     Full Moon
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.71.91.81.61.30.90.50.20.10.20.50.91.41.71.71.61.310.60.30.10.10.40.8

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
Tue -- 02:12 AM EDT     -0.00 knots Slack
Tue -- 05:39 AM EDT     -1.28 knots Max Ebb
Tue -- 07:04 AM EDT     Moonset
Tue -- 07:12 AM EDT     Sunrise
Tue -- 08:24 AM EDT     0.00 knots Slack
Tue -- 11:11 AM EDT     1.43 knots Max Flood
Tue -- 02:25 PM EDT     -0.00 knots Slack
Tue -- 05:57 PM EDT     -1.32 knots Max Ebb
Tue -- 07:35 PM EDT     Moonrise
Tue -- 07:48 PM EDT     Sunset
Tue -- 08:48 PM EDT     0.00 knots Slack
Tue -- 10:35 PM EDT     Full Moon
Tue -- 11:40 PM EDT     1.45 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.10.70.1-0.4-0.9-1.2-1.3-1-0.30.51.11.41.30.80.3-0.3-0.8-1.2-1.3-1.1-0.60.20.91.4

Weather Map
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wmap_A
GEOS 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 (15,3,4,5)
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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 numerous 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.