Saturday, July11, 2020
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Marine Weather and Tides
Madeira Beach, 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 6:42AMSunset 8:31PM Saturday July 11, 2020 12:25 PM EDT (16:25 UTC) Moonrise 12:00AMMoonset 11:34AM Illumination 63% Phase: Waning Gibbous; Moon at 21 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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GMZ830 Tampa Bay Waters- 1020 Am Edt Sat Jul 11 2020
This afternoon..West winds around 10 knots. Bay and inland waters a light chop. Scattered Thunderstorms.
Tonight..West winds around 10 knots. Bay and inland waters a light chop. Isolated Thunderstorms in the late evening and overnight.
Sunday..Southwest winds around 10 knots. Bay and inland waters a light chop. Scattered Thunderstorms early in the morning, then isolated Thunderstorms late in the morning. Scattered Thunderstorms in the afternoon.
Sunday night..Southwest winds around 10 knots. Bay and inland waters a light chop.
Monday..West winds around 10 knots. Bay and inland waters a light chop. Isolated Thunderstorms in the morning, then scattered Thunderstorms in the afternoon.
Monday night..Southwest winds around 10 knots. Bay and inland waters a light chop.
Tuesday..West winds around 10 knots. Bay and inland waters a light chop. Isolated Thunderstorms in the morning, then scattered Thunderstorms in the afternoon.
Tuesday night..West winds around 10 knots diminishing to around 5 knots after midnight. Bay and inland waters a light chop.
Wednesday..West winds around 5 knots increasing to around 10 knots in the afternoon. Bay and inland waters a light chop. Scattered Thunderstorms in the afternoon.
GMZ800 Synopsis For The Coastal Waters From Bonita Beach To Suwannee River- 1020 Am Edt Sat Jul 11 2020
Synopsis..A trough of low pressure the north of the gulf waters and high pressure near cuba continue until midweek when they begin to slowly lift north...maintaining westerly flow with seas of no more than 4 feet. Locally higher winds and seas near Thunderstorms.


7 Day Forecast for Marine Location Near Madeira Beach, FL
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location: 27.79, -82.78     debug


Area Discussion for - Tampa Bay, FL
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FXUS62 KTBW 111406 AFDTBW

Area Forecast Discussion National Weather Service Tampa Bay Ruskin FL 1006 AM EDT Sat Jul 11 2020

DISCUSSION. A trough is in place over the eastern sea board and is digging down across the state as high pressure over the Gulf of Mexico shifts westward. The additional upper energy in place will allow for scattered to numerous showers and storms today, and we already have scattered activity across the area this morning. The high rip current risk will remain in effect through the day, as well as the heat advisory. Highs are on track to reach into the lower 90s and with dew points in the upper 70s, will allow for heat indices of up to 110. Current forecast is on track and have no updates planned.

AVIATION. VFR conditions will prevail, but scattered to numerous showers and storms through the day may cause tempo MVFR to IFR conditions. Westerly flow will be in place through the period, being slightly north of west this morning, and gradually becoming slightly south of west later in the afternoon and tonight.

MARINE. A bit stronger westerly flow in place today will allow for a high risk of rip currents at the beaches. A trough will continue to dig down the state and adjacent coastal waters and drag a boundary through the waters Sunday. High pressure will then gradually build back to the north over the state for next week, with winds remaining westerly through mid-week, then returning to easterly flow for the end of the week. Scattered to numerous showers and storms will be possible over the waters today. Current forecast is on track and have no major changes for the update.

Preliminary Point Temps/PoPs. TPA 91 81 92 79 / 50 10 30 10 FMY 91 78 91 79 / 50 40 60 20 GIF 93 77 94 76 / 60 10 50 10 SRQ 91 80 91 79 / 50 30 30 10 BKV 91 76 94 75 / 50 10 30 10 SPG 89 81 91 79 / 50 20 30 10

TBW WATCHES/WARNINGS/ADVISORIES. FL . Heat Advisory from noon today to 6 PM EDT this evening for Coastal Citrus-Coastal Hernando-Coastal Hillsborough- Coastal Levy-Coastal Manatee-Coastal Pasco-Coastal Sarasota- Inland Citrus-Inland Hernando-Inland Hillsborough-Inland Levy-Inland Manatee-Inland Pasco-Inland Sarasota-Pinellas- Polk-Sumter.

High Rip Current Risk until 8 PM EDT this evening for Coastal Charlotte-Coastal Hillsborough-Coastal Lee-Coastal Manatee- Coastal Sarasota-Pinellas.

Gulf waters . None.



UPDATE/AVIATION/MARINE/FIRE WEATHER . 24/Hubbard UPPER AIR/DECISION SUPPORT . 29/Delerme


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CLBF1 6 mi91 min WNW 7 G 13 86°F 1013.5 hPa
SAPF1 - 8726520 - St. Petersburg, FL 8 mi55 min W 8 G 13 87°F 87°F1014.4 hPa
CWBF1 - 8726724 - Clearwater Beach, FL 13 mi55 min W 12 G 13 84°F 88°F1014.4 hPa
MTBF1 13 mi55 min WNW 11 G 14 85°F 1014.3 hPa76°F
OPTF1 - 8726607 - Old Port Tampa, FL 13 mi55 min NW 12 G 16 86°F 88°F1014.2 hPa
GCTF1 14 mi55 min 87°F 1014 hPa75°F
42098 16 mi29 min 86°F4 ft
PMAF1 16 mi55 min 85°F 1014.3 hPa
SKCF1 20 mi145 min WNW 14 G 29
EBEF1 21 mi85 min 87°F 87°F1013.7 hPa
TPAF1 - 8726694 - TPA Cruise Terminal 2, Tampa, FL 21 mi55 min WSW 1.9 G 5.1
TSHF1 - 8726667 - East Bay Causeway, FL 21 mi61 min WSW 7 G 11
FHPF1 - Fred Howard Park, FL 25 mi91 min NW 9.9 G 13 87°F 1014.5 hPa
42013 - C10 - Navy-2 43 mi55 min W 14 G 18 85°F 86°F1015.2 hPa

Wind History for St. Petersburg, FL
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Albert Whitted Airport, FL8 mi32 minNW 1010.00 miPartly Cloudy88°F77°F70%1013.1 hPa
St. Petersburg/Clearwater Airport, FL10 mi32 minW 810.00 miA Few Clouds91°F78°F66%1013.7 hPa
Macdill Air Force Base, Fl., FL15 mi29 minWNW 910.00 miPartly Cloudy89°F75°F64%1013.8 hPa
Tampa, Tampa International Airport, FL18 mi32 minW 910.00 miPartly Cloudy90°F73°F59%1013.7 hPa
Tampa, Peter O Knight Airport, FL20 mi30 minW 710.00 miOvercast91°F82°F75%1013.9 hPa

Link to 5 minute data for KSPG

Wind History from SPG (wind in knots)
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1 day agoNW10
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Tide / Current Tables for Johns Pass, Boca Ciega Bay, Florida
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


Tide / Current Tables for Tampa Bay Entrance (Egmont Channel), Florida Current
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Tampa Bay Entrance (Egmont Channel)
Click for Map
Sat -- 12:30 AM EDT     Moonrise
Sat -- 01:42 AM EDT     0.00 knots Slack
Sat -- 05:04 AM EDT     1.26 knots Max Flood
Sat -- 06:43 AM EDT     Sunrise
Sat -- 08:49 AM EDT     -0.00 knots Slack
Sat -- 11:06 AM EDT     -0.47 knots Max Ebb
Sat -- 12:34 PM EDT     Moonset
Sat -- 01:38 PM EDT     0.00 knots Slack
Sat -- 04:39 PM EDT     0.69 knots Max Flood
Sat -- 07:15 PM EDT     -0.00 knots Slack
Sat -- 08:29 PM EDT     Sunset
Sat -- 10:45 PM EDT     -1.07 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.9-0.40.20.71.11.31.10.80.4-0.1-0.4-0.5-0.4-0.20.10.40.60.70.50.1-0.3-0.7-1-1.1

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 (12,3,4,5)
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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.