Wednesday, December11, 2019
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Marine Weather and Tides
Gibsonton, 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 7:08AMSunset 5:36PM Wednesday December 11, 2019 11:47 AM EST (16:47 UTC) Moonrise 5:24PMMoonset 6:28AM Illumination 100% Phase: Full Moon; Moon at 15 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- 1001 Am Est Wed Dec 11 2019
.dense fog advisory in effect until noon est today...
.small craft advisory in effect from 4 pm est this afternoon through Thursday morning...
This afternoon..North winds 5 to 10 knots then becoming northeast around 15 knots late in the afternoon. Bay and inland waters a moderate chop. Widespread dense fog in the morning. A chance of showers this afternoon.
Tonight..Northeast winds around 20 knots. Bay and inland waters choppy.
Thursday..Northeast winds around 15 knots. Bay and inland waters a moderate chop.
Thursday night..East winds around 10 knots. Bay and inland waters a light chop. A slight chance of showers after midnight.
Friday..South winds around 5 knots. Bay and inland waters smooth. A slight chance of showers early in the morning, then a chance of showers in the late morning and afternoon.
Friday night..Southwest winds around 10 knots. Bay and inland waters a light chop. A chance of showers.
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..North winds around 10 knots. Bay and inland waters a light chop.
Sunday..Northeast winds around 5 knots. Bay and inland waters smooth.
GMZ800 Synopsis For The Coastal Waters From Bonita Beach To Suwannee River- 1001 Am Est Wed Dec 11 2019
Synopsis.. Dense sea fog continues to be an issue for some of the coastal waters ahead of a cold front. After the passage of the front, winds will increase out of the north and eventually northeast which will produce advisory and cautionary criteria. Winds will subside late Thursday through the upcoming weekend as a weak area of low pressure develops over the northern gulf and lifts northeast through florida, bringing increased chances for showers through Saturday.


7 Day Forecast for Marine Location Near Gibsonton, FL
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location: 27.83, -82.49     debug


Area Discussion for - Tampa Bay, FL
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FXUS62 KTBW 111153 AFDTBW

Area Forecast Discussion National Weather Service Tampa Bay Ruskin FL 653 AM EST Wed Dec 11 2019

AVIATION. Widespread BR/FG across the area leading to IFR-LIFR cigs and vsbys through at least 14Z. Low stratus will linger across the area through the remainder of the morning, returning tonight. Variable winds will shift out of the NE after a weak cold front moves through late morning and early afternoon.

Prev Discussion. /issued 520 AM EST Wed Dec 11 2019/

UPDATE . Regional automated visibility observations and webcams are showing areas of dense fog spreading across the area with visibilities of around a quarter mile or less. As a result, the dense fog advisory has been expanded to all land zones in the county warning area, as well as the Tampa Bay and nearshore waters from Englewood to Suwannee River.

Prev Discussion . /issued 327 AM EST Wed Dec 11 2019/

DISCUSSION . Early morning water vapor satellite imagery is showing a band of moisture north of the Florida Peninsula associated with an approaching cold front. Ample low level moisture to the south of this boundary is leading to some patchy fog and low status this morning, which will gradually lift out through the morning. A dense fog advisory has been issued for Levy, Citrus, and Hernando counties through 9 AM, but may need to be expanded if the area of dense fog expands. As the front slowly sags south into the forecast area today, isolated to scattered showers will be possible, with winds increasing and turning to northeasterly along and behind the front. The front will stall out across central Florida through Thursday and slowly lift north Friday, with periods of showers continuing. Because the front will not cleanly push through the entire area, generally only the Nature Coast will see a minor cool down, with temperatures near to slightly above normal, and temperatures remaining well above normal from the Tampa Bay area south.

A weak area of low pressure will develop over the northern Gulf of Mexico Thursday night and lift northeast through northern Florida on Friday. Since this system is forecast to remain weak, it is not expected to bring gusty winds but it will result in more numerous showers Friday and Friday night, mainly over the Nature Coast and adjacent Gulf waters. The low will drag a weak cold front behind it through the area by late Saturday, clearing out the rain chances by Saturday evening and bringing in cooler weather across the area through Sunday evening, although temperatures will remain near to a few degrees above normal. High pressure will then fill in behind the front, with temperatures quickly warming back up Monday and Tuesday.

AVIATION . Patchy fog and low stratus will continue to develop through just after sunrise this morning, with extended periods of MVFR-LIFR conditions expected through at least 14z. The MVFR ceilings will then likely linger through the rest of the morning. Even as ceilings lift out, isolated showers cannot be completely ruled out at any time after sunrise, and could cause brief periods of reduced flight categories. Another round of MVFR or lower ceilings will develop after around 00-02z this evening.

MARINE . A weak cold front will push south into the eastern Gulf of Mexico today and linger through Thursday, bringing chances for showers. Some patchy sea fog is possible through this morning on the south side of the frontal boundary, although widespread dense fog is not expected. Wind speeds will increase behind the front, with Small Craft Advisory conditions expected for the offshore waters north of Englewood this afternoon through Thursday morning, and cautionary conditions expected for the other Gulf zones. Winds will subside late Thursday through the upcoming weekend as a weak area of low pressure develops over the northern Gulf and lifts northeast through Florida, bringing increased chances for showers through Saturday.

FIRE WEATHER . Patchy fog will lift out by mid morning. Relative humidity is not expected to drop to critical levels through the next several days.

Preliminary Point Temps/PoPs. TPA 78 62 78 65 / 30 10 10 20 FMY 83 67 81 66 / 40 30 20 0 GIF 80 63 78 65 / 40 20 30 10 SRQ 81 63 81 65 / 30 10 10 10 BKV 78 58 77 62 / 30 10 10 20 SPG 79 62 78 66 / 30 10 10 10

TBW WATCHES/WARNINGS/ADVISORIES. FL . Dense Fog Advisory until 9 AM EST this morning for Coastal Charlotte-Coastal Citrus-Coastal Hernando-Coastal Hillsborough-Coastal Lee-Coastal Levy-Coastal Manatee- Coastal Pasco-Coastal Sarasota-DeSoto-Hardee-Highlands- Inland Charlotte-Inland Citrus-Inland Hernando-Inland Hillsborough-Inland Lee-Inland Levy-Inland Manatee-Inland Pasco-Inland Sarasota-Pinellas-Polk-Sumter.

Gulf waters . Small Craft Advisory from 4 PM this afternoon to 10 AM EST Thursday for Waters from Englewood to Tarpon Springs FL out 20 to 60 NM-Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM.

Dense Fog Advisory until 9 AM EST this morning for Coastal waters from Englewood to Tarpon Springs FL out 20 NM- Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM-Tampa Bay waters.



AVIATION . Norman PREVIOUS DISCUSSION . Flemming


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
GCTF1 4 mi48 min 71°F 1023.2 hPa (+1.3)71°F
OPTF1 - 8726607 - Old Port Tampa, FL 4 mi48 min Calm G 1.9 70°F 69°F1023.3 hPa (+1.3)
MCYF1 7 mi48 min 71°F
TSHF1 - 8726667 - East Bay Causeway, FL 8 mi54 min WSW 1.9 G 4.1
SAPF1 - 8726520 - St. Petersburg, FL 9 mi48 min Calm G 0 71°F 68°F1023.4 hPa (+1.2)
MTBF1 13 mi48 min N 6 G 6 70°F 1023.4 hPa (+1.4)69°F
PMAF1 14 mi48 min 71°F 71°F1023 hPa (+1.2)
CWBF1 - 8726724 - Clearwater Beach, FL 21 mi48 min N 11 G 12 69°F 71°F1023.5 hPa (+1.5)
42098 29 mi18 min 70°F1 ft

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., FL3 mi1.9 hrsNE 31.00 miFog/Mist73°F73°F100%1023 hPa
Tampa, Peter O Knight Airport, FL6 mi53 minSW 35.00 miRain0°F0°F%1023.4 hPa
Albert Whitted Airport, FL8 mi55 minE 40.25 miFog71°F70°F96%1022.6 hPa
Tampa, Tampa International Airport, FL10 mi55 minSW 32.00 miFog/Mist75°F71°F88%1023.2 hPa
St. Petersburg/Clearwater Airport, FL12 mi55 minE 33.00 miFog/Mist72°F70°F94%1023 hPa
Tampa, Vandenberg Airport, FL14 mi53 minN 05.00 miFog/Mist75°F73°F94%1023.4 hPa
Plant City, Plant City Municipal Airport, FL21 mi73 minW 310.00 miOvercast75°F75°F100%1024 hPa

Link to 5 minute data for KMCF

Wind History from MCF (wind in knots)
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Last 24hr------SW8S13S11SW7S6SW6SW4S3SW3S3CalmCalmSE4SE5--Calm--------NE3
1 day agoSE7--S7SW8SW7SW7SW5SW4SW4--CalmCalmE3E3E5CalmCalmCalmN3E3NE4E4E6E8
2 days agoSE8S7S8S5SW4CalmCalmCalmCalmNE3SE3SE5SE5SE4SE6SE6SE4SE4SE5SE5SE6SE6SE8SE8

Tide / Current Tables for Ballast Point, 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
Wed -- 01:12 AM EST     -0.00 knots Slack
Wed -- 05:34 AM EST     -1.38 knots Max Ebb
Wed -- 06:28 AM EST     Moonset
Wed -- 07:10 AM EST     Sunrise
Wed -- 09:35 AM EST     0.00 knots Slack
Wed -- 12:32 PM EST     1.21 knots Max Flood
Wed -- 04:13 PM EST     -0.00 knots Slack
Wed -- 05:23 PM EST     Moonrise
Wed -- 05:35 PM EST     Sunset
Wed -- 06:12 PM EST     -0.43 knots Max Ebb
Wed -- 08:17 PM EST     0.00 knots Slack
Wed -- 11:10 PM EST     0.97 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.60.1-0.4-0.9-1.2-1.4-1.4-1.2-0.9-0.40.30.91.21.210.50.1-0.3-0.4-0.4-0.10.30.71

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 (11,2,3,4)
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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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