Friday, July10, 2020
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Marine Weather and Tides
Dunedin, 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 6:41AMSunset 8:32PM Friday July 10, 2020 12:01 PM EDT (16:01 UTC) Moonrise 11:32PMMoonset 10:42AM Illumination 73% Phase: Waning Gibbous; Moon at 20 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- 959 Am Edt Fri Jul 10 2020
This afternoon..West winds around 10 knots. Bay and inland waters a light chop. Scattered Thunderstorms until late afternoon, then isolated Thunderstorms late in the afternoon.
Tonight..West winds around 10 knots. Bay and inland waters a light chop. Isolated Thunderstorms until early morning. Scattered Thunderstorms toward morning.
Saturday..West winds 5 to 10 knots increasing to around 15 knots late in the afternoon. Bay and inland waters a moderate chop. Scattered Thunderstorms.
Saturday night..West winds around 10 knots. Bay and inland waters a light chop. Scattered Thunderstorms.
Sunday..West winds around 10 knots. Bay and inland waters a light chop. Numerous Thunderstorms in the morning, then scattered Thunderstorms in the afternoon.
Sunday night..Southwest winds around 10 knots. Bay and inland waters a light chop. Isolated Thunderstorms in the evening, then scattered Thunderstorms after midnight.
Monday..West winds around 10 knots. Bay and inland waters a light chop. Scattered Thunderstorms.
Monday night..West winds around 10 knots. Bay and inland waters a light chop. Isolated Thunderstorms.
Tuesday..West winds around 10 knots. Bay and inland waters a light chop. Scattered Thunderstorms.
GMZ800 Synopsis For The Coastal Waters From Bonita Beach To Suwannee River- 959 Am Edt Fri Jul 10 2020
Synopsis..High pressure will maintain a westerly wind flow along with slight seas across the gulf waters through the weekend and into early next week. Wind and seas will be higher near late night and early morning showers and storms, otherwise no headlines are expected.


7 Day Forecast for Marine Location Near Dunedin, FL
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location: 28.01, -82.82     debug


Area Discussion for - Tampa Bay, FL
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FXUS62 KTBW 101302 AFDTBW

Area Forecast Discussion National Weather Service Tampa Bay Ruskin FL 902 AM EDT Fri Jul 10 2020

UPDATE. A frontal trough sinking in from the north and high pressure to the south and extending west into the Gulf is supporting a deep layered west-northwest wind flow across the forecast area this morning. 12Z Raob data shows a very moist air mass in place with a PW of 1.91 inches, which is up about 2/10 of an inch from yesterday at this time. Morning 88D returns show widely scattered showers and isolated storms moving in from the Gulf with additional showers and storms also firing off over inland areas within the moist and unstable air mass.

As for the remainder of today expect to see the highest rain chances and best areal coverage of showers and storms to focus over inland and eastern portions of the peninsula which is typical for a westerly flow regime. Rather warm mid level temperatures (-4 to -5C at 500MB) should keep the threat for severe storms in check, but with the deep layered moisture in place and a skinny area of Cape noted on the Raob data locally heavy downpours and localized flooding of low lying and poor drainage areas as well as the ponding of water on roadways will be possible as the storms move east-southeastward at 10 to 15 mph through the day. It will be warm and humid with afternoon highs topping out around 90 to the lower 90s with heat indices in the 105 to 107 degree range which is just shy of Heat Advisory criteria. Current forecast has a good handle on things with no updates or changes required at this time.

AVIATION. Widely scattered SHRA and isolated TSRA moving onshore from the Gulf may bring brief MVFR cigs/vsbys to the coastal terminals through the morning before much of the convection shifts east of the terminals except for KLAL during the afternoon with some other SHRA/TSRA possibly impacting the southwest terminals after 20Z, otherwise mainly VFR is expected during the next 24 hours. West-northwest winds in the 7 to 10 knot range this morning will increase to 10 to 14 knots after 18Z, then diminish to 5 to 7 knots after 01Z tonight.

MARINE. West-northwest winds in the 10 to 15 knot range with seas of 2 feet or less will continue over the Gulf waters the remainder of today. Higher winds and seas will be possible in the vicinity of showers and storms, otherwise no headlines are expected. Ongoing forecast is on track with no changes expected in the next update around 10 AM.

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

UPDATE/AVIATION/MARINE/FIRE WEATHER . 57/McMichael UPPER AIR/DECISION SUPPORT . 19/Hurt


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CWBF1 - 8726724 - Clearwater Beach, FL 2 mi43 min WNW 14 G 21 84°F 87°F1016.2 hPa
FHPF1 - Fred Howard Park, FL 10 mi67 min NW 14 G 16 84°F 1016.3 hPa
OPTF1 - 8726607 - Old Port Tampa, FL 18 mi43 min NW 16 G 18 86°F 88°F1016 hPa
CLBF1 20 mi67 min WNW 7 G 16 86°F 1015.1 hPa
SAPF1 - 8726520 - St. Petersburg, FL 20 mi43 min WNW 13 G 16 87°F 87°F1016.1 hPa
SKCF1 21 mi61 min W 14 G 23
TPAF1 - 8726694 - TPA Cruise Terminal 2, Tampa, FL 21 mi49 min W 5.1 G 8.9
EBEF1 22 mi73 min 84°F 89°F1015.5 hPa
TSHF1 - 8726667 - East Bay Causeway, FL 22 mi49 min WSW 9.9 G 19
GCTF1 23 mi43 min 83°F 1015.8 hPa76°F
MTBF1 27 mi43 min NW 17 G 19 85°F 1016 hPa76°F
PMAF1 29 mi43 min 85°F 1015.9 hPa
42098 30 mi35 min 87°F3 ft

Wind History for Clearwater Beach, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
St. Petersburg/Clearwater Airport, FL10 mi68 minWNW 16 G 2110.00 miMostly Cloudy88°F79°F75%1015.8 hPa
Tampa, Tampa International Airport, FL16 mi68 minW 1210.00 miMostly Cloudy89°F75°F63%1015.6 hPa
Macdill Air Force Base, Fl., FL19 mi65 minW 810.00 miPartly Cloudy88°F77°F72%1015.9 hPa
Albert Whitted Airport, FL19 mi68 minNW 9 G 1710.00 miA Few Clouds87°F78°F75%1015.2 hPa
Tampa, Peter O Knight Airport, FL21 mi66 minW 7 G 1510.00 miOvercast86°F80°F84%1015.9 hPa

Link to 5 minute data for KPIE

Wind History from PIE (wind in knots)
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Tide / Current Tables for Dunedin, St. Joseph Sound, Florida
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Dunedin
Click for Map
Fri -- 04:11 AM EDT     2.32 feet High Tide
Fri -- 06:42 AM EDT     Sunrise
Fri -- 09:46 AM EDT     1.09 feet Low Tide
Fri -- 11:42 AM EDT     Moonset
Fri -- 03:32 PM EDT     2.44 feet High Tide
Fri -- 08:30 PM EDT     Sunset
Fri -- 10:27 PM EDT     0.49 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.81.31.82.22.32.221.71.41.11.11.21.51.92.22.42.42.21.91.51.10.70.50.5

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
Fri -- 02:23 AM EDT     0.00 knots Slack
Fri -- 05:21 AM EDT     0.93 knots Max Flood
Fri -- 06:41 AM EDT     Sunrise
Fri -- 08:50 AM EDT     -0.00 knots Slack
Fri -- 11:13 AM EDT     -0.55 knots Max Ebb
Fri -- 11:41 AM EDT     Moonset
Fri -- 01:44 PM EDT     0.00 knots Slack
Fri -- 04:29 PM EDT     0.81 knots Max Flood
Fri -- 07:17 PM EDT     -0.00 knots Slack
Fri -- 08:29 PM EDT     Sunset
Fri -- 10:57 PM EDT     -1.11 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-1-0.7-0.20.30.70.90.90.70.3-0.1-0.4-0.5-0.5-0.30.10.50.80.80.50.1-0.3-0.7-1-1.1

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.