Sunday, December15, 2019
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Marine Weather and Tides
Captiva, FL

Version 3.4
NOTICE
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.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 7:07AMSunset 5:38PM Sunday December 15, 2019 3:20 PM EST (20:20 UTC) Moonrise 9:16PMMoonset 10:15AM Illumination 83% Phase: Waning Gibbous; Moon at 19 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- 254 Pm Est Sun Dec 15 2019
Tonight..East winds around 10 knots. Seas 2 feet. Bay and inland waters a light chop.
Monday..Southeast winds around 10 knots. Seas 2 feet. Bay and inland waters a light chop.
Monday night..Southeast winds around 10 knots. Seas 2 feet or less. Bay and inland waters a light chop.
Tuesday..Southeast winds around 10 knots then becoming south in the afternoon. Seas 2 feet or less. Bay and inland waters a light chop. A chance of showers. A slight chance of Thunderstorms in the afternoon.
Tuesday night..West winds around 5 knots then becoming north around 15 knots after midnight. Seas 2 feet. Bay and inland waters a moderate chop. A chance of showers in the evening, then showers likely after midnight.
Wednesday..North winds around 20 knots. Seas 5 to 7 feet. Bay and inland waters choppy. A chance of showers in the morning.
Wednesday night..North winds around 20 knots. Seas 4 to 6 feet. Bay and inland waters choppy.
Thursday..Northeast winds around 20 knots. Seas 4 to 6 feet. Bay and inland waters choppy.
Thursday night..Northeast winds around 20 knots diminishing to 10 to 15 knots after midnight. Seas 2 to 4 feet. Bay and inland waters choppy.
Friday..East 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- 254 Pm Est Sun Dec 15 2019
Synopsis..High pressure moves east to over the atlantic tonight and continues east while ridging back across the gulf of mexico through Tuesday. A cold front will then move through the area Tuesday night and Wednesday, bringing some showers and a few Thunderstorms, as well as strong winds to likely cautionary levels. High pressure builds in behind the front with winds remaining elevated through Thursday, then slowly subsiding.


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 151926 AFDTBW

Area Forecast Discussion National Weather Service Tampa Bay Ruskin FL 226 PM EST Sun Dec 15 2019

DISCUSSION. The high center in place over the state will continue to shift east to over the Atlantic tonight with ridging remaining across the state through early Tuesday. A cold front will then move through the area Tuesday night into Wednesday, bringing showers and a few thunderstorms across the area. Cooler and drier high pressure then build into the area behind the front for Wednesday/Wednesday night along with some gusty winds mainly along the coast. Temps will drop about 20 degrees behind this front, with highs only reaching around 60 to around 70 for Wednesday afternoon, and lows in the mid 30s to around 50 Wednesday night. Conditions then slowly moderate under high pressure through the end of the week. Another low pressure system will be possible Friday night/Saturday, bringing showers and a few storms. Clearing on Saturday night/Sunday as drier high pressure builds into the area from the west. Models are not in very good agreement with the timing of this system, so will be fine tuning that over the next few days.

AVIATION. VFR conditions expected through the period with generally east flow becoming light overnight, then increasing from the SE after 16/15z.

MARINE. High pressure in place over the state this afternoon shifts east tonight to over the Atlantic. Ridging will remain across the waters through Tuesday, then a cold front approaches the area. The front moves through Tuesday night/Wednesday, with winds turning to the NW and increasing to near SCA levels behind the front and continuing through Wednesday/Wednesday night. There will also be some showers and storms possible with the front.

FIRE WEATHER. No critical humidities expected through Tuesday, then some drier air moves in behind the next front for Wednesday. Colder air temperatures behind that front will keep humidities above any critical levels though.

Preliminary Point Temps/PoPs. TPA 63 81 66 80 / 0 0 10 60 FMY 64 85 68 82 / 0 0 0 60 GIF 60 83 66 82 / 0 0 0 60 SRQ 62 83 66 82 / 0 0 10 60 BKV 57 83 62 81 / 0 0 10 60 SPG 65 79 67 80 / 0 0 10 60

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



DISCUSSION/AVIATION/MARINE/FIRE WEATHER . 24/Hubbard DECISION SUPPORT . 57/McMichael


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
BGCF1 - Big Carlos Pass, FL 18 mi87 min E 6 G 9.9 77°F 1019.2 hPa
FMRF1 - 8725520 - Fort Myers, FL 20 mi51 min E 2.9 G 8.9 1018.3 hPa
NPSF1 - 8725110 - Naples, FL 33 mi51 min ESE 4.1 G 6 1018.1 hPa
RKXF1 - Rookery Bay Reserve, FL 41 mi96 min SSE 6 80°F 1019 hPa61°F
VENF1 - Venice, FL 41 mi81 min E 7 G 8 74°F 70°F1019.1 hPa (-1.9)48°F

Wind History for Naples, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Fort Myers, Page Field, FL18 mi28 minE 810.00 miFair80°F57°F45%1018.3 hPa
Fort Myers, Southwest Florida International Airport, FL23 mi28 minESE 910.00 miFair79°F57°F47%1018.1 hPa

Link to 5 minute data for KFMY

Wind History from FMY (wind in knots)
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Last 24hrNW9NW11NW8NW8N6N3N4CalmN3CalmCalmCalmCalmCalmCalmNE4NE4NE5NE8E5E10E8E11E8
1 day agoSW6S4S4S5S6S7SW3S5S5S4SW5S6S5S7SW7SW7SW8SW8W9W10W9W13W13NW13
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SE5E5NE7E5SE5E5E5E6E6E4CalmCalmE3E4CalmCalmE5SE4SE4S9S5SW8S6

Tide / Current Tables for Captiva Island, Pine Island Sound, Florida
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Captiva Island
Click for Map
Sun -- 01:40 AM EST     2.20 feet High Tide
Sun -- 07:09 AM EST     Sunrise
Sun -- 10:14 AM EST     Moonset
Sun -- 10:22 AM EST     -0.53 feet Low Tide
Sun -- 05:25 PM EST     1.23 feet High Tide
Sun -- 05:38 PM EST     Sunset
Sun -- 08:56 PM EST     1.10 feet Low Tide
Sun -- 09:15 PM EST     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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22.22.22.11.81.40.90.4-0-0.3-0.5-0.5-0.20.10.50.91.11.21.21.21.11.11.21.3

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
Sun -- 02:15 AM EST     -0.00 knots Slack
Sun -- 06:41 AM EST     -1.60 knots Max Ebb
Sun -- 07:08 AM EST     Sunrise
Sun -- 10:13 AM EST     Moonset
Sun -- 10:42 AM EST     0.00 knots Slack
Sun -- 01:37 PM EST     1.29 knots Max Flood
Sun -- 05:37 PM EST     Sunset
Sun -- 08:38 PM EST     0.03 knots Min Flood
Sun -- 09:15 PM EST     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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10.70.2-0.5-1.1-1.4-1.6-1.6-1.5-1.1-0.50.20.91.21.31.10.80.60.40.20.100.20.5

Weather Map
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wmap_A
GEOS Local Image of    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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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.