Friday, December13, 2019
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Marine Weather and Tides
Belleair, 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 7:12AMSunset 5:38PM Friday December 13, 2019 12:56 AM EST (05:56 UTC) Moonrise 7:11PMMoonset 8:30AM Illumination 98% Phase: Waning Gibbous; Moon at 16 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- 821 Pm Est Thu Dec 12 2019
Rest of tonight..East winds around 10 knots. Bay and inland waters a light chop. A slight chance of showers.
Friday..Southeast winds around 5 knots then becoming south around 10 knots in the afternoon. Bay and inland waters a light chop. A slight chance of Thunderstorms in the late morning and afternoon. A chance of showers early in the afternoon.
Friday night..Southwest winds around 10 knots. Bay and inland waters a light chop. A slight chance of Thunderstorms. Showers likely after midnight.
Saturday..West winds around 10 knots then becoming northwest in the afternoon. Bay and inland waters a light chop. A chance of showers in the morning.
Saturday night..Northwest winds around 10 knots then becoming northeast around 5 knots after midnight. Bay and inland waters a light chop.
Sunday..Northeast winds around 5 knots. Bay and inland waters smooth.
Sunday night..East winds around 5 knots then becoming southeast around 10 knots after midnight. Bay and inland waters a light chop.
Monday..Southeast winds around 10 knots. Bay and inland waters a light chop.
Monday night..Southeast winds around 5 knots increasing to around 10 knots after midnight. Bay and inland waters a light chop.
Tuesday..South winds around 10 knots then becoming southwest in the afternoon. Bay and inland waters a light chop. A chance of showers in the morning, then showers likely in the afternoon.
GMZ800 Synopsis For The Coastal Waters From Bonita Beach To Suwannee River- 821 Pm Est Thu Dec 12 2019
Synopsis..Low pressure will develop over the northeastern gulf of mexico tonight and move northeast through Friday, bringing showers and a chance for a few Thunderstorms. Another cold front will move through the area Saturday, turning winds to the northwest for a day, possibly near advisory or cautionary criteria. High pressure then quickly builds in for Sunday, with light winds. There is some potential for sea fog to develop over the waters mainly north of tampa bay on Friday night and early Saturday, possibly lingering into Saturday afternoon, but this will continue to be Monitored over the next day or so.


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 130033 AFDTBW

Area Forecast Discussion National Weather Service Tampa Bay Ruskin FL 733 PM EST Thu Dec 12 2019

UPDATE. The thermodynamic environment continues to support weak, low-topped convection across the peninsula. With a surface low pressure feature situated off to the NW and a warm front lifting back northward across the peninsula, advecting higher dewpoints northward with it, enough support exists for these showers to potentially continue for the next few hours. POPs have been adjusted to better reflect locations where heavier showers are ongoing, and to better reflect the locations where the environment remains favorable.

Outside of the minor updates for POPs tonight, the forecast remains on track. Showers remain a possibility for tomorrow as well, primarily to the north of Tampa Bay closer to the warm front. By tomorrow night, another cold front will be pushing down the peninsula, brining a renewed source of lift and a better thermodynamic environment to support isolated severe storms. The primary concern is a weak potential for damaging winds. As such, areas north of Tampa Bay have a marginal risk for severe weather, while other areas will also likely see thunderstorms early Saturday morning. This will continue to be monitored over the next 24 hours or so and will be refined as necessary to reflect the latest information.

AVIATION. Some showers remain around, especially for southern terminals. Generally MVFR conditions are expected to prevail for the next several hours, but should gradually improve. Showers return to the forecast for northern terminals as the environment remains conducive to support shower activity during the day tomorrow.

MARINE. Light rain showers and easterly winds continue offshore, but have now dropped below cautionary criteria in all zones. Showers remain in the forecast overnight and during the day tomorrow before another front moves through late tomorrow night/early Saturday morning, brining back the potential for patchy sea fog along the nature coast along with a potential risk for isolated severe weather before higher winds and seas potentially return once more to advisory/cautionary criteria.

Preliminary Point Temps/PoPs. TPA 65 77 66 75 / 30 30 60 40 FMY 65 80 68 80 / 20 20 30 30 GIF 65 80 66 77 / 40 20 40 40 SRQ 65 80 67 78 / 20 30 50 50 BKV 62 78 63 75 / 30 30 60 40 SPG 66 77 68 76 / 20 30 60 40

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

UPDATE/AVIATION/MARINE . Flannery UPPER AIR . Wynn DECISION SUPPORT . Shiveley


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CWBF1 - 8726724 - Clearwater Beach, FL 0 mi63 min E 9.9 G 13 70°F 71°F1019.4 hPa
FHPF1 - Fred Howard Park, FL 12 mi123 min E 8 G 12 70°F 1020.9 hPa
OPTF1 - 8726607 - Old Port Tampa, FL 17 mi57 min E 6 G 9.9 69°F 70°F1019.4 hPa (-1.3)
CLBF1 19 mi63 min E 5.1 G 12 70°F 1018.7 hPa
SAPF1 - 8726520 - St. Petersburg, FL 19 mi57 min E 8.9 G 13 69°F 69°F1019.6 hPa (-1.2)
GCTF1 22 mi57 min 69°F 1019.2 hPa (-1.3)68°F
MCYF1 22 mi57 min 69°F
TSHF1 - 8726667 - East Bay Causeway, FL 22 mi63 min ENE 8 G 12
MTBF1 25 mi57 min ESE 13 G 16 69°F 1019.4 hPa (-1.0)66°F
42098 27 mi27 min 69°F2 ft
PMAF1 28 mi57 min 69°F 71°F1019.1 hPa (-1.1)
ARPF1 - APK - Aripeka, FL 32 mi123 min E 6 G 9.9 73°F 1020.4 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 mi64 minE 910.00 miOvercast71°F66°F87%1019.3 hPa
Tampa, Tampa International Airport, FL16 mi64 minE 810.00 miOvercast70°F64°F84%1019.7 hPa
Macdill Air Force Base, Fl., FL18 mi2 hrsESE 1210.00 miLight Rain70°F65°F86%1020.3 hPa
Albert Whitted Airport, FL18 mi64 minE 1110.00 miOvercast69°F66°F93%1019 hPa
Tampa, Peter O Knight Airport, FL21 mi62 minE 710.00 miOvercast0°F0°F%1019.6 hPa

Link to 5 minute data for KPIE

Wind History from PIE (wind in knots)
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Last 24hrNE9NE11NE10NE10NE9NE11
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NE7NE11E9E9E9E12E8E12E10NE11NE7E8E8E11E9
1 day agoS3S4S4CalmCalmE43CalmCalmNE4E3NE4NE4N4N3NW9N7NE8NE13
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2 days agoCalmCalmCalmCalmN3CalmCalmSE6SE7SE7SE9S10S10S16
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Tide / Current Tables for Clearwater Beach, Florida
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Clearwater Beach
Click for Map
Fri -- 06:25 AM EST     -0.77 feet Low Tide
Fri -- 07:13 AM EST     Sunrise
Fri -- 08:30 AM EST     Moonset
Fri -- 01:14 PM EST     1.98 feet High Tide
Fri -- 05:37 PM EST     Sunset
Fri -- 05:45 PM EST     1.16 feet Low Tide
Fri -- 07:10 PM EST     Moonrise
Fri -- 11:31 PM EST     3.05 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.92.51.91.10.3-0.4-0.7-0.7-0.30.30.91.51.821.91.71.51.21.21.41.82.32.83

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 -- 02:22 AM EST     -0.00 knots Slack
Fri -- 06:36 AM EST     -1.50 knots Max Ebb
Fri -- 07:12 AM EST     Sunrise
Fri -- 08:28 AM EST     Moonset
Fri -- 11:02 AM EST     0.00 knots Slack
Fri -- 02:03 PM EST     1.23 knots Max Flood
Fri -- 05:36 PM EST     Sunset
Fri -- 05:57 PM EST     -0.00 knots Slack
Fri -- 07:10 PM EST     Moonrise
Fri -- 07:45 PM EST     -0.36 knots Max Ebb
Fri -- 09:37 PM EST     0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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10.80.2-0.4-0.9-1.3-1.5-1.5-1.4-1.1-0.7-00.61.11.21.10.80.4-0-0.3-0.4-0.20.20.6

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 (0,6,7,8)
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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 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.