Sunday, December16, 2018 L-36.com


Marine Weather and Tides
Feather Sound, FL

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 7:13AMSunset 5:38PM Sunday December 16, 2018 9:51 PM EST (02:51 UTC) Moonrise 1:33PMMoonset 1:01AM Illumination 71% Phase: Waxing Gibbous; Moon at 9 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- 858 Pm Est Sun Dec 16 2018
Rest of tonight..North winds around 10 knots. Bay and inland waters a light chop.
Monday..Northwest winds around 10 knots. Bay and inland waters a light chop.
Monday night..North winds around 5 knots. Bay and inland waters smooth.
Tuesday..Northeast winds around 5 knots then becoming north late in the afternoon. Bay and inland waters smooth.
Tuesday night..East winds around 5 knots. Bay and inland waters smooth.
Wednesday..Southeast winds around 10 knots. Bay and inland waters a light chop. A chance of showers and a slight chance of Thunderstorms.
Wednesday night..Southeast winds 5 to 10 knots increasing to around 15 knots toward morning. Bay and inland waters a moderate chop. Showers and a slight chance of Thunderstorms.
Thursday..Southwest winds around 15 knots. Bay and inland waters a moderate chop. Showers and a slight chance of Thunderstorms.
Thursday night..Southwest winds 10 to 15 knots then becoming west around 20 knots with gusts to around 35 knots in the late evening and overnight. Bay and inland waters choppy. A chance of showers and a slight chance of Thunderstorms.
Friday..West winds around 20 knots increasing to 20 to 25 knots in the late morning and early afternoon, then diminishing to around 20 knots late in the afternoon. Bay and inland waters rough. A chance of showers.
GMZ800 Synopsis For The Coastal Waters From Bonita Beach To Suwannee River- 858 Pm Est Sun Dec 16 2018
Synopsis..The long period swells will continue to subside through the remainder of tonight. Weak high pressure is expected to keep generally light winds and slight seas from Monday into mid week. The next complex storm system is expected to move through the region Thursday through Saturday with breezy winds to elevate choppy seas creating hazardous marine conditions.


7 Day Forecast for Marine Location Near Feather Sound, FL
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location: 27.87, -82.55     debug


Area Discussion for - Tampa Bay, FL
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Fxus62 ktbw 170114
afdtbw
area forecast discussion
national weather service tampa bay ruskin fl
814 pm est Sun dec 16 2018

Update
Evening satellite imagery shows cool air strato-cu clouds
moving in from the gulf within the low level northwesterly
wind flow. As the night continues model sounding data shows
winds veering into the north and as this occurs overall
cloud cover should erode over the land area as drier air
continues to advect in from the north overnight, but at the
same time sounding data also shows high level moisture
increasing from the west, so overall sky cover should
average out partly cloudy overnight. The cool air advection
will make for a cooler night across the forecast area with
lows falling into the lower to mid 40s across the nature
coast, and upper 40s to lower 50s central and south. May see
some shallow patchy ground fog develop in the normally fog
prone interior locations toward morning, but with drier air
moving in the overall coverage should remain too low to
mention in the zones. Current forecast is on track with no
evening update required at this time.

Aviation
Brief MVFR vsbys may impact klal and kpgd between 08-12z as
some shallow patchy ground fog develops, otherwiseVFR will
prevail at all terminals during the next 24 hours. Light
northwest winds the rest of tonight will become north-northwest
at 6 to 8 knots after 16z.

Marine
Surface high pressure building in from the northwest will
allow wind and seas over the gulf waters to continue to
diminish and subside the rest of tonight into Monday with
northwest winds overnight becoming northerly on Monday.

Ongoing forecast is in good shape with no changes expected
in the next forecast issuance around 9 pm.

Tbw watches warnings advisories
Fl... High rip current risk until 3 am est Monday for coastal
charlotte-coastal hillsborough-coastal lee-coastal
manatee-coastal sarasota-pinellas.

Gulf waters... None.

Update aviation marine... 57 mcmichael
upper air decision support... 18 fleming


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
OPTF1 - 8726607 - Old Port Tampa, FL 1 mi51 min NNW 7 G 8 62°F 65°F1021.4 hPa (+1.2)
MCYF1 7 mi51 min 67°F
GCTF1 7 mi57 min 62°F 54°F
TPAF1 - 8726694 - TPA Cruise Terminal 2, Tampa, FL 8 mi57 min NNW 1.9 G 2.9
SAPF1 - 8726520 - St. Petersburg, FL 9 mi57 min N 2.9 G 6 62°F 66°F1021.2 hPa
CLBF1 12 mi117 min NNW 1 G 2.9 63°F 1020.4 hPa
MTBF1 15 mi51 min NNE 9.9 G 11 62°F 1021.2 hPa (+1.0)54°F
PMAF1 16 mi57 min 62°F 68°F1020.9 hPa
CWBF1 - 8726724 - Clearwater Beach, FL 17 mi57 min NW 12 G 13 62°F 65°F1021.4 hPa
FHPF1 - Fred Howard Park, FL 24 mi117 min NNW 14 G 18 62°F 1021.7 hPa
42098 28 mi51 min 66°F4 ft
ARPF1 - APK - Aripeka, FL 39 mi117 min NW 6 G 9.9 66°F 1021 hPa

Wind History for Old Port Tampa, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Macdill Air Force Base, Fl., FL2 mi55 minN 010.00 miOvercast61°F52°F75%1021.3 hPa
Tampa, Peter O Knight Airport, FL6 mi56 minN 010.00 miOvercast61°F53°F77%1021.3 hPa
Tampa, Tampa International Airport, FL7 mi58 minNW 310.00 miMostly Cloudy61°F53°F75%1021.3 hPa
Albert Whitted Airport, FL8 mi58 minNNW 510.00 miOvercast62°F54°F75%1020.5 hPa
St. Petersburg/Clearwater Airport, FL8 mi58 minNNW 910.00 miOvercast61°F54°F78%1021.1 hPa
Tampa, Vandenberg Airport, FL14 mi56 minN 010.00 mi59°F51°F77%1021.3 hPa
Plant City, Plant City Municipal Airport, FL22 mi56 minN 010.00 miOvercast61°F51°F72%1021.7 hPa

Wind History from MCF (wind in knots)
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Last 24hrCalmCalmCalmNW3CalmSE4CalmCalmCalmS3CalmS3N6N6N7N7N7NW7N4N7N7N5N5Calm
1 day agoSW11SW6NW8NW8CalmNE3CalmCalmSW3SW3SW4S8S7S9S9W9SW6SW6S4S6S5S4S5SW5
2 days agoSE10SE12S11SE9S11S13S12S9S11S13SE14SE7SE5S4E6SE7SE10SE9SE5S10S12
G17
S12S9S6

Tide / Current Tables for Hillsborough Bay, Tampa Bay, Tampa Bay, Florida
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Hillsborough Bay
Click for Map
Sun -- 01:00 AM EST     Moonset
Sun -- 03:17 AM EST     1.12 feet Low Tide
Sun -- 07:14 AM EST     Sunrise
Sun -- 08:23 AM EST     1.64 feet High Tide
Sun -- 01:32 PM EST     Moonrise
Sun -- 03:05 PM EST     0.75 feet Low Tide
Sun -- 05:36 PM EST     Sunset
Sun -- 09:18 PM EST     2.09 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.61.41.21.11.21.31.41.51.61.61.51.41.210.80.80.81.11.41.71.92.12.11.9

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
Sun -- 01:00 AM EST     Moonset
Sun -- 01:06 AM EST     -0.68 knots Max Ebb
Sun -- 04:25 AM EST     0.00 knots Slack
Sun -- 06:54 AM EST     0.56 knots Max Flood
Sun -- 07:14 AM EST     Sunrise
Sun -- 09:44 AM EST     -0.00 knots Slack
Sun -- 12:48 PM EST     -0.69 knots Max Ebb
Sun -- 01:32 PM EST     Moonrise
Sun -- 04:15 PM EST     0.00 knots Slack
Sun -- 05:37 PM EST     Sunset
Sun -- 07:19 PM EST     0.79 knots Max Flood
Sun -- 10:38 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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-0.6-0.7-0.6-0.5-0.20.20.50.60.50.2-0.1-0.4-0.6-0.7-0.6-0.4-0.10.30.60.80.70.60.2-0.1

Weather Map and Satellite Images
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wmap_A
GOES 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 (21,6,7,8)
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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.