Monday, February24, 2020
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Marine Weather and Tides
Kathleen, 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 6:56AMSunset 6:25PM Monday February 24, 2020 3:51 AM EST (08:51 UTC) Moonrise 7:48AMMoonset 7:27PM Illumination 1% Phase: New Moon; Moon at 1 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- 317 Am Est Mon Feb 24 2020
Today..Southeast winds around 10 knots increasing to 10 to 15 knots in the afternoon. Bay and inland waters a moderate chop.
Tonight..South winds around 15 knots. Bay and inland waters a moderate chop.
Tuesday..South winds around 15 knots. Bay and inland waters a moderate chop. A slight chance of Thunderstorms. A chance of showers in the afternoon.
Tuesday night..South winds around 10 knots. Bay and inland waters a light chop. A chance of showers in the evening. A slight chance of Thunderstorms. Showers after midnight.
Wednesday..West winds around 10 knots then becoming northwest in the afternoon. Bay and inland waters a light chop. Showers likely and a slight chance of Thunderstorms.
Wednesday night..Northwest winds around 15 knots. Bay and inland waters a moderate chop. A chance of showers and a slight chance of Thunderstorms in the evening, then a slight chance of showers after midnight.
Thursday..Northwest winds around 15 knots. Bay and inland waters a moderate chop.
Thursday night..Northwest winds around 15 knots then becoming north 5 to 10 knots after midnight. Bay and inland waters a moderate chop.
Friday..Northwest winds around 10 knots. Bay and inland waters a light chop.
GMZ800 Synopsis For The Coastal Waters From Bonita Beach To Suwannee River- 317 Am Est Mon Feb 24 2020
Synopsis.. High pressure will be in place through today with breezy south winds through tomorrow afternoon. A couple of cold fronts will move through the region tomorrow night and Wednesday. Widespread showers and possibly a few Thunderstorms are likely with this system. Some patchy sea fog is also possible tomorrow out ahead of the front, especially north of tarpon springs. Advisory conditions are likely on Thursday as stiff northwest winds and rough seas impact the eastern gulf.


7 Day Forecast for Marine Location Near Kathleen, FL
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location: 28.16, -82     debug


Area Discussion for - Tampa Bay, FL
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FXUS62 KTBW 240802 AFDTBW

Area Forecast Discussion National Weather Service Tampa Bay Ruskin FL 302 AM EST Mon Feb 24 2020

DISCUSSION. Benign weather pattern is in place as weak mid/upper level ridging resides over the Gulf Coast states. At the surface, broad high pressure is in place off the Carolinas which is providing us with a warm southeast flow. Throughout the day, the high will shift slightly to the east and a weak low pressure system will move through the Middle Mississippi Valley. Winds will shift out of the south and become gusty during the afternoon. Otherwise, dry conditions are expected with temps running in the upper 70s to low 80s. Overnight temps will be mild and humid with temperatures in the lower 60s.

Tomorrow will be our warmest day as deep veering winds out ahead of the front continue to advect warmer and more humid air across the area. Expect temperatures to hover around 80 near the coast with mid 80s along and south of the I-4 corridor. Farther north across the Nature Coast, cloud cover and increasing rain chances along a pre-frontal boundary will help to keep highs more comfortable (i.e. in the 70s). The chance of showers will be mainly north of Tampa during the day Tuesday with PoPs ranging from 30-60%. A thunderstorm or two will also be possible.

Hopefully you didn't call it quits and pack the sweaters for the year just yet . A complex large scale pattern will be taking place during midweek. A digging trough over the Central Plains will begin to drive much colder air down the interior CONUS. Several areas of low pressure will develop on the leeward side of an ejecting upper level jet streak positioned over the southeast. One of these lows will help to drive a cold front across the area on Wednesday. Rain chances will spread southward across the Peninsula along the front overnight Tuesday through the day Wednesday with the entire area likely to see some beneficial rainfall. A stronger low near the Great Lakes will be under the left exit region of the jet streak and phase with the upper level low. This will quickly drag a secondary, reinforcing cold front across the area late Wednesday. High pressure will build in over Texas/NW Gulf providing us with a stiff NW wind. Since this front will be well tapped into the cooler/drier air, we will be advecting this air throughout the day Thursday which will counteract any diurnal heating. The result will be a rather chilly and breezy day as highs will remain in the upper 50s north to mid 60s across SWFL. Thursday night (Friday morning) will be the coldest weather of the week. Parts of the Nature Coast will approach the freezing mark with lows around 40 expected just about everywhere else - besides a tad warmer at the beaches.

Usually Florida's cold snaps are short lived (on the order of 24-36 hours) but this late February chill will last through the weekend as a longwave mid/upper level trough establishes itself across the eastern half of the CONUS and surface high pressure over the Gulf keeps low level flow out of the north. None of West Central or Southwest Florida will see 70s at any point through Sunday with high temps topping out in the 60s each day. Likewise, lows will range from mid 30s to mid 40s each morning. Moral of the story is if you have outdoor plans this weekend it'll be beautiful weather, just a bit chilly. Eventually, the trough will lift out over the northern Atlantic and weak ridging will return. The surface high will also trek across the Peninsula on Sunday and by Monday afternoon, southeast flow returns which will halt our cool weather.

AVIATION. VFR conditions through the period. Southeast winds will shift southerly tomorrow during the day, becoming gusty during the afternoon.

MARINE. High pressure will be in place through today with breezy south winds through tomorrow afternoon. A couple of cold fronts will move through the region tomorrow night and Wednesday. Widespread showers and possibly a few thunderstorms are likely with this system. Some patchy sea fog is also possible tomorrow out ahead of the front, especially north of Tarpon Springs. Advisory conditions are likely on Thursday as stiff northwest winds and rough seas impact the eastern Gulf.

FIRE WEATHER. No major fire weather conditions are expected over the next 4-5 days. Widespread wetting rains are expected tomorrow night through Wednesday. Cooler and drier air will move into the region by Thursday with north to northwest winds. Lower RH values can be expected by the weekend and will likely drop below critical values on Sunday.

Preliminary Point Temps/PoPs. TPA 77 66 79 67 / 0 0 30 80 FMY 81 64 84 70 / 0 0 0 40 GIF 80 63 83 67 / 0 0 20 60 SRQ 78 65 80 68 / 0 0 20 70 BKV 80 62 80 62 / 0 10 50 80 SPG 76 67 78 67 / 0 0 30 80

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

UPDATE/AVIATION/MARINE/FIRE WEATHER . 42/Norman DECISION SUPPORT . 69/Close


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
MCYF1 28 mi58 min 70°F
TSHF1 - 8726667 - East Bay Causeway, FL 28 mi58 min ENE 1.9 G 4.1
OPTF1 - 8726607 - Old Port Tampa, FL 36 mi58 min SE 5.1 G 6 62°F 68°F1019 hPa
GCTF1 38 mi58 min 63°F 1019.1 hPa56°F
FHPF1 - Fred Howard Park, FL 42 mi118 min E 5.1 G 6 61°F 1020.6 hPa
SAPF1 - 8726520 - St. Petersburg, FL 43 mi58 min SSE 5.1 G 8 64°F 67°F1018.7 hPa
CWBF1 - 8726724 - Clearwater Beach, FL 46 mi58 min SE 4.1 G 8 64°F 66°F1018.9 hPa
CLBF1 47 mi118 min ESE 2.9 G 7 64°F 1019.1 hPa
MTBF1 47 mi82 min SSE 9.9 G 11 62°F 1019.5 hPa55°F
PMAF1 47 mi58 min 60°F 69°F1019.1 hPa

Wind History for TPA Cruise Terminal 2, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Plant City, Plant City Municipal Airport, FL14 mi77 minSE 310.00 miFair59°F55°F88%1020 hPa
Winter Havens Gilbert Airport, FL15 mi59 minE 310.00 miFair59°F52°F78%1019.5 hPa
Bartow Municipal, FL19 mi57 minN 010.00 miFair55°F51°F88%1019 hPa
Tampa, Vandenberg Airport, FL21 mi57 minN 010.00 miFair54°F53°F100%1019.6 hPa

Link to 5 minute data for KLAL

Wind History from LAL (wind in knots)
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Last 24hrNE8NE5----------NE3N3NE3NE6NE5NE5E8SE5E5E6E6E6E6E4E6E6E4
1 day ago--------------N7N6N8NE9
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2 days agoCalmSW3--------NE14
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Tide / Current Tables for Hillsborough Bay, Tampa Bay, Tampa Bay, Florida
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Hillsborough Bay
Click for Map
Mon -- 01:47 AM EST     2.38 feet High Tide
Mon -- 06:59 AM EST     Sunrise
Mon -- 07:49 AM EST     Moonrise
Mon -- 09:21 AM EST     -0.46 feet Low Tide
Mon -- 03:29 PM EST     1.58 feet High Tide
Mon -- 06:26 PM EST     Sunset
Mon -- 07:29 PM EST     Moonset
Mon -- 08:52 PM EST     0.80 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.12.32.42.21.91.40.80.3-0.2-0.4-0.4-0.10.40.91.31.61.61.41.210.90.811.3

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
Mon -- 12:18 AM EST     0.99 knots Max Flood
Mon -- 03:17 AM EST     -0.00 knots Slack
Mon -- 07:00 AM EST     Sunrise
Mon -- 07:24 AM EST     -1.28 knots Max Ebb
Mon -- 07:49 AM EST     Moonrise
Mon -- 10:47 AM EST     0.00 knots Slack
Mon -- 01:38 PM EST     1.10 knots Max Flood
Mon -- 04:53 PM EST     -0.00 knots Slack
Mon -- 06:27 PM EST     Sunset
Mon -- 07:29 PM EST     Moonset
Mon -- 07:40 PM EST     -0.82 knots Max Ebb
Mon -- 10:16 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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10.90.60.1-0.4-0.8-1.1-1.3-1.2-1-0.50.10.711.10.90.4-0.1-0.5-0.8-0.8-0.6-0.20.4

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 (3,6,7,8)
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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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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.