Thursday, August13, 2020
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Marine Weather and Tides
Belleair, 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 6:59AMSunset 8:12PM Thursday August 13, 2020 1:25 PM EDT (17:25 UTC) Moonrise 12:46AMMoonset 2:45PM Illumination 27% Phase: Waning Crescent; Moon at 24 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- 913 Am Edt Thu Aug 13 2020
This afternoon..Southeast winds around 5 knots then becoming west late in the afternoon. Bay and inland waters smooth. Scattered Thunderstorms.
Tonight..Northeast winds around 5 knots then becoming east in the late evening and overnight. Bay and inland waters smooth. Scattered Thunderstorms.
Friday..Southeast winds around 5 knots then becoming southwest around 10 knots in the afternoon. Bay and inland waters a light chop. Scattered Thunderstorms.
Friday night..West winds around 10 knots diminishing to around 5 knots late in the evening, then becoming southeast after midnight. Bay and inland waters a light chop. Isolated Thunderstorms.
Saturday..South winds around 5 knots then becoming west around 10 knots in the late morning and afternoon. Bay and inland waters a light chop. Scattered Thunderstorms.
Saturday night..West winds around 10 knots then becoming southwest around 5 knots in the late evening and overnight. Bay and inland waters a light chop. Isolated Thunderstorms.
Sunday..Southwest winds around 5 knots then becoming west around 10 knots in the afternoon. Bay and inland waters a light chop. Scattered Thunderstorms in the morning, then numerous Thunderstorms in the afternoon.
Sunday night..West winds around 10 knots then becoming southwest around 5 knots after midnight. Bay and inland waters a light chop. Scattered Thunderstorms.
Monday..West winds around 10 knots. Bay and inland waters a light chop. Scattered Thunderstorms in the morning, then numerous Thunderstorms in the afternoon.
GMZ800 Synopsis For The Coastal Waters From Bonita Beach To Suwannee River- 913 Am Edt Thu Aug 13 2020
Synopsis..Benign boating conditions with light winds and minimal seas persist over the gulf waters. The primary hazard for mariners continues to be Thunderstorms. Scattered showers and storms have been firing over the gulf waters this morning and will increase in coverage closer to the coast his afternoon. Mariners should watch for storms that may develop and drift towards the coast during the late afternoon and evening hours, creating locally hazardous winds and seas.


7 Day Forecast for Marine Location Near Belleair, FL
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location: 27.98, -82.83     debug


Area Discussion for - Tampa Bay, FL
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FXUS62 KTBW 131311 AFDTBW

Area Forecast Discussion National Weather Service Tampa Bay Ruskin FL 911 AM EDT Thu Aug 13 2020

UPDATE. Surface high pressure continues to ridge through central Florida producing light winds and partly cloudy skies this morning. Showers and storms have been firing up over the gulf waters, but with a light steering flow, these storms have stayed well off the coast. The 12Z morning sounding is showing abundant moisture with a PWAT of 1.88 inches. Latest HRRR guidance has showers and storms forming between 18-20Z as the west coast sea breeze pushes inland. Made some minor tweaks to POPs to reflect the current radar coverage. Everything else looks fine for now.

AVIATION. VFR conditions will prevail through the day. Showers and storms are expected this afternoon, so will hold VCTS at all terminals between 18-02Z. Winds will be light and variable this morning, then turning onshore this afternoon with the sea breeze, remaining less than 10 knots. No other aviation impacts expected.

MARINE. Benign boating conditions with light winds and minimal seas persist over the gulf waters. The primary hazard for mariners continues to be thunderstorms. Scattered showers and storms have been firing over the gulf waters this morning and will increase in coverage closer to the coast his afternoon. Mariners should watch for storms that may develop and drift towards the coast during the late afternoon and evening hours, creating locally hazardous winds and seas.

Preliminary Point Temps/PoPs. TPA 93 77 93 78 / 40 30 60 20 FMY 94 76 93 77 / 50 30 50 20 GIF 93 75 94 76 / 60 20 70 10 SRQ 93 77 93 78 / 30 30 50 20 BKV 93 74 93 75 / 50 20 60 20 SPG 93 78 93 79 / 40 30 50 20

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



UPDATE/AVIATION/MARINE . 74/Wynn UPPER AIR/DECISION SUPPORT . 57/McMichael


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CWBF1 - 8726724 - Clearwater Beach, FL 0 mi56 min SSW 12 G 13 86°F 91°F1017.9 hPa
FHPF1 - Fred Howard Park, FL 12 mi92 min WSW 4.1 G 6 86°F 1018.2 hPa
OPTF1 - 8726607 - Old Port Tampa, FL 17 mi56 min SW 4.1 G 5.1 86°F 89°F1017.8 hPa
CLBF1 19 mi92 min SSW 2.9 G 6 88°F 1017 hPa
SAPF1 - 8726520 - St. Petersburg, FL 19 mi56 min SSE 2.9 G 5.1 89°F 90°F1018 hPa
SKCF1 21 mi86 min S 12 G 16
TPAF1 - 8726694 - TPA Cruise Terminal 2, Tampa, FL 21 mi56 min SSE 4.1 G 7
EBEF1 22 mi68 min 87°F 87°F1017.5 hPa
GCTF1 22 mi56 min 86°F 1017.5 hPa75°F
TSHF1 - 8726667 - East Bay Causeway, FL 22 mi62 min S 4.1 G 7
MTBF1 25 mi56 min NW 5.1 G 6 87°F 1017.6 hPa73°F
42098 27 mi30 min 89°F1 ft
PMAF1 28 mi56 min 86°F 1017.6 hPa

Wind History for Clearwater Beach, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
St. Petersburg/Clearwater Airport, FL9 mi33 minVar 310.00 miA Few Clouds91°F73°F57%1017.1 hPa
Tampa, Tampa International Airport, FL16 mi33 minSSW 710.00 miMostly Cloudy89°F71°F55%1017.3 hPa
Macdill Air Force Base, Fl., FL18 mi30 minSW 810.00 miMostly Cloudy90°F75°F62%1017.5 hPa
Albert Whitted Airport, FL18 mi33 minSSE 510.00 miFair89°F75°F65%1016.7 hPa
Tampa, Peter O Knight Airport, FL21 mi31 minSSW 610.00 miPartly Cloudy91°F80°F71%1017.6 hPa

Link to 5 minute data for KPIE

Wind History from PIE (wind in knots)
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Last 24hrN7N8N5N4NW8N6N4SE6SE3CalmCalmCalmSE3CalmCalmE3E4SE4SE3E44S5SE73
1 day agoCalmN7N8N6NW3CalmE9SE8SE3E3S4SE4CalmS4S5CalmSE4S3CalmSE3E35NE5N5
2 days ago3N4NE5N9SE9S4S4NW7N6N5SE7CalmCalmCalmE3SE3CalmCalmCalmS3N4NE5SW7
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Tide / Current Tables for Clearwater Beach, Gulf Of Mexico, 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 Old Tampa Bay Entrance (Port Tampa), Florida Current
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Old Tampa Bay Entrance (Port Tampa)
Click for Map
Thu -- 12:18 AM EDT     -0.00 knots Slack
Thu -- 01:44 AM EDT     Moonrise
Thu -- 02:02 AM EDT     -0.26 knots Max Ebb
Thu -- 04:01 AM EDT     0.00 knots Slack
Thu -- 06:59 AM EDT     Sunrise
Thu -- 07:17 AM EDT     0.65 knots Max Flood
Thu -- 10:04 AM EDT     -0.00 knots Slack
Thu -- 02:28 PM EDT     -0.88 knots Max Ebb
Thu -- 03:43 PM EDT     Moonset
Thu -- 07:24 PM EDT     0.00 knots Slack
Thu -- 08:09 PM EDT     Sunset
Thu -- 10:28 PM EDT     0.77 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.1-0.2-0.3-0.2-00.20.50.60.60.40-0.3-0.6-0.8-0.9-0.9-0.8-0.8-0.5-0.20.20.60.70.7

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 (13,3,4,5)
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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.