Sunday, December8, 2019
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Marine Weather and Tides
St. Petersburg, 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 5:37PM Sunday December 8, 2019 7:35 AM EST (12:35 UTC) Moonrise 3:26PMMoonset 3:39AM Illumination 88% Phase: Waxing Gibbous; Moon at 11 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- 330 Am Est Sun Dec 8 2019
Today..Southeast winds around 10 knots diminishing to around 5 knots late in the afternoon. Bay and inland waters a light chop.
Tonight..Southeast winds around 10 knots. Bay and inland waters a light chop.
Monday..South winds around 10 knots. Bay and inland waters a light chop.
Monday night..South winds around 5 knots then becoming southeast in the late evening and overnight. Bay and inland waters smooth.
Tuesday..Southeast winds around 10 knots then becoming south in the afternoon. Bay and inland waters a light chop. A slight chance of showers late in the afternoon.
Tuesday night..South winds around 5 knots. Bay and inland waters smooth. A slight chance of showers.
Wednesday..Southeast winds around 5 knots then becoming northeast around 10 knots late in the afternoon. Bay and inland waters a light chop. A slight chance of showers.
Wednesday night..Northeast winds around 10 knots. Bay and inland waters a light chop. A slight chance of showers until early morning, then a chance of showers toward morning.
Thursday..East winds around 10 knots. Bay and inland waters a light chop. A chance of showers. A slight chance of Thunderstorms late in the afternoon.
GMZ800 Synopsis For The Coastal Waters From Bonita Beach To Suwannee River- 330 Am Est Sun Dec 8 2019
Synopsis.. Weak high pressure will dominate the coastal waters through mid week. A cold front will move into the northern waters on Wednesday night. Increasing winds and seas in the wake of the front will create possible scec/sca conditions into Thursday.


7 Day Forecast for Marine Location Near St. Petersburg, FL
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location: 27.77, -82.62     debug


Area Discussion for - Tampa Bay, FL
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FXUS62 KTBW 081132 AFDTBW

Area Forecast Discussion National Weather Service Tampa Bay Ruskin FL 632 AM EST Sun Dec 8 2019

AVIATION. VFR will prevail during the next 24 hours with some SCT/BKN mid level clouds aoa 100 expected. Light east-northeast winds early this morning will become east-southeast at 6 to 8 knots after 18Z with a very weak onshore flow possibly developing at the coastal sites after 21Z. Light/variable winds are expected after 00Z tonight.

Prev Discussion. /issued 308 AM EST Sun Dec 8 2019/

DISCUSSION . High amplitude U/L pattern over much of North America with a sharp ridge along the west coast of the U.S./Canada will induce a deep trough downstream . with cold arctic air being pulled south over the upper Mississippi Valley and midwest. A southern stream disturbance will push across the southern plains on Tuesday . the Lower Mississippi Valley on Wednesday . and will then be sheared out as it moves across the southeast U.S. Wednesday night and Thursday.

Significant pattern change mid/late week as the west coast ridge breaks down and strong quasi-zonal flow develops. A southern stream disturbance will push across the southern plains on Thursday . and the Lower Mississippi Valley on Friday. Southern stream disturbance will come in phase with the northern stream late in the week carving out a deep progressive U/L trough from the Great Lakes to the Gulf of Mexico. The trough axis will rotate and lift northeast off the eastern seaboard over the weekend with quasi-zonal flow across the CONUS in its wake.

Surface high pressure will hold over west central and southwest Florida through Tuesday. The first southern stream disturbance will move across the southeast on Wednesday with a chance of showers developing Wednesday and persisting into Thursday. Associated cold front will stall across north Florida with cooler air only advecting across northern portions of the nature coast . with the remainder of west central and southwest Florida remaining in the warm sector. Second S/W disturbance will move across the southeast U.S. and Florida Friday and Friday night. Overall dynamics will be stronger than the initial disturbance with scattered showers and isolated thunderstorms expected Friday and Friday night. Shower activity will end from north to south as a cold front moves across the region. Cooler drier air will advect across the region in the wake of the front over the weekend, however temperatures will only drop back to near climatic normals.

MARINE . No hazards expected through midweek with relatively light winds and seas. Lead cold front will stall across the northern waters Wednesday night and Thursday with SCEC or SCA conditions possible over portions of the northern waters behind the frontal boundary. SCEC conditions possible over most of the waters late in the week and early Saturday associated with the second cold front.

FIRE WEATHER . No fire weather hazards are expected for the next several days as relative humidity values are expected to remain above critical levels.

Preliminary Point Temps/PoPs. TPA 77 62 78 64 / 0 0 0 0 FMY 81 61 80 65 / 0 0 0 10 GIF 78 59 81 63 / 0 0 0 0 SRQ 78 61 79 63 / 0 0 0 10 BKV 78 58 80 59 / 0 0 0 0 SPG 76 63 77 65 / 0 0 0 0

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

AVIATION . 57/McMichael DISCUSSION/MARINE/FIRE WEATHER . 13/Oglesby


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SAPF1 - 8726520 - St. Petersburg, FL 1 mi47 min ENE 4.1 G 7 63°F 67°F1021.6 hPa
CLBF1 4 mi101 min NE 1.9 G 6 63°F 1020.3 hPa
GCTF1 5 mi47 min 63°F 1021.4 hPa60°F
OPTF1 - 8726607 - Old Port Tampa, FL 7 mi47 min NE 2.9 G 5.1 62°F 66°F1021.5 hPa
MTBF1 8 mi47 min ENE 9.9 G 11 62°F 1021.4 hPa58°F
PMAF1 10 mi47 min 58°F 68°F1021.2 hPa
MCYF1 14 mi47 min 67°F
TPAF1 - 8726694 - TPA Cruise Terminal 2, Tampa, FL 15 mi47 min N 2.9 G 5.1
TSHF1 - 8726667 - East Bay Causeway, FL 15 mi53 min NNE 5.1 G 7
CWBF1 - 8726724 - Clearwater Beach, FL 18 mi53 min ENE 4.1 G 8.9 63°F 68°F1021.4 hPa
42098 21 mi35 min 69°F2 ft
FHPF1 - Fred Howard Park, FL 28 mi101 min ENE 8 G 9.9 62°F 1021.7 hPa
42013 - C10 - Navy-2 44 mi65 min E 14 G 16 73°F1020.7 hPa
ARPF1 - APK - Aripeka, FL 46 mi101 min E 4.1 G 6 64°F 1021.1 hPa
VENF1 - Venice, FL 49 mi35 min E 5.1 G 7 59°F 67°F1020.9 hPa (+0.6)56°F

Wind History for St. Petersburg, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Albert Whitted Airport, FL1 mi42 minNNE 410.00 miFair63°F60°F90%1020.9 hPa
Macdill Air Force Base, Fl., FL8 mi1.7 hrsE 810.00 miA Few Clouds60°F57°F91%1020.9 hPa
St. Petersburg/Clearwater Airport, FL10 mi42 minNE 310.00 miA Few Clouds63°F59°F87%1021.6 hPa
Tampa, Peter O Knight Airport, FL14 mi40 minNE 810.00 miOvercast0°F0°F%1021.7 hPa
Tampa, Tampa International Airport, FL15 mi42 minNE 410.00 miOvercast63°F59°F87%1021.7 hPa
Tampa, Vandenberg Airport, FL22 mi40 minN 010.00 miOvercast59°F59°F100%1022 hPa

Link to 5 minute data for KSPG

Wind History from SPG (wind in knots)
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Last 24hrNE8NE6E6E4NE3CalmCalmSE3CalmCalmNW4N3N4N3N4E8NE11E10E9NE10NE12NE10NE9N4
1 day agoE6E4SE3CalmE3SE4S74NW6NE5CalmN3N3CalmCalmCalmCalmCalmCalmCalmN3N3N3NE5
2 days agoN6NE7NE8NE9N7NE6NE8NE8N6N6N4N5N6N5N4N4N4N4N3E7NE7E8E8E7

Tide / Current Tables for St. Petersburg, Tampa Bay, 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
Sun -- 12:03 AM EST     -0.00 knots Slack
Sun -- 03:38 AM EST     Moonset
Sun -- 04:01 AM EST     -1.11 knots Max Ebb
Sun -- 07:08 AM EST     Sunrise
Sun -- 07:23 AM EST     0.00 knots Slack
Sun -- 10:12 AM EST     0.96 knots Max Flood
Sun -- 01:24 PM EST     -0.00 knots Slack
Sun -- 03:24 PM EST     Moonrise
Sun -- 03:59 PM EST     -0.58 knots Max Ebb
Sun -- 05:35 PM EST     Sunset
Sun -- 06:39 PM EST     0.00 knots Slack
Sun -- 09:28 PM EST     0.85 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0-0.4-0.8-1-1.1-1-0.7-0.20.30.810.90.60.2-0.2-0.5-0.6-0.5-0.20.10.60.80.80.6

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 (7,2,3,4)
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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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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.