Tuesday, February25, 2020
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Marine Weather and Tides
Indian Shores, 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 6:58AMSunset 6:29PM Tuesday February 25, 2020 4:57 AM EST (09:57 UTC) Moonrise 8:23AMMoonset 8:23PM Illumination 3% Phase: Waxing Crescent; Moon at 2 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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GMZ853 Coastal Waters From Englewood To Tarpon Springs Fl Out 20 Nm- 358 Am Est Tue Feb 25 2020
Today..South winds around 15 knots. Seas 2 to 3 feet. Bay and inland waters a moderate chop. A slight chance of Thunderstorms. A chance of showers in the afternoon. Patchy sea fog in the afternoon.
Tonight..South winds around 15 knots diminishing to 5 to 10 knots after midnight. Seas 2 to 3 feet. Bay and inland waters a moderate chop. Showers likely and a slight chance of Thunderstorms.
Wednesday..South winds 5 to 10 knots then becoming west around 20 knots in the afternoon. Seas 2 to 3 feet. Bay and inland waters choppy. Patchy sea fog in the morning. Showers likely and a slight chance of Thunderstorms.
Wednesday night..Northwest winds around 20 knots. Seas 4 to 6 feet. Bay and inland waters choppy. 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 20 knots. Seas 4 to 6 feet. Bay and inland waters choppy.
Thursday night..Northwest winds around 15 knots then becoming north 5 to 10 knots after midnight. Seas 3 to 5 feet. Bay and inland waters a moderate chop.
Friday..Northwest winds around 10 knots. Seas 2 to 4 feet. Bay and inland waters a light chop.
Friday night..Northwest winds around 15 knots. Seas 2 to 3 feet. Bay and inland waters a moderate chop.
Saturday..Northwest winds around 15 knots. Seas 2 to 4 feet. Bay and inland waters a moderate chop.
GMZ800 Synopsis For The Coastal Waters From Bonita Beach To Suwannee River- 358 Am Est Tue Feb 25 2020
Synopsis.. High pressure will be in place through today with breezy south winds. A couple of cold fronts will move through the region tonight and Wednesday. Widespread showers and a few Thunderstorms are likely with these features. Some patchy sea fog is also possible today into 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 Indian Shores, FL
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location: 27.79, -83.03     debug


Area Discussion for - Tampa Bay, FL
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FXUS62 KTBW 250842 AFDTBW

Area Forecast Discussion National Weather Service Tampa Bay Ruskin FL 342 AM EST Tue Feb 25 2020

DISCUSSION. The forecast period starts off with the warmest weather we will experience over next 7 days 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 middle 70s). Convection allowing models are in good agreement of a narrow but a persistent band of heavy rainfall setting up across our northern counties this afternoon through evening . A thunderstorm or two will also be possible with this convection. The chance of rain will be mainly north of Tampa during the day with afternoon PoPs ranging from 20% in Bradenton to 90% in Levy county. Rain will eventually spread farther south throughout the rest of the evening. Additionally, southerly flow advecting warm/humid air over the eastern Gulf will create a favorable environment for sea fog formation as early as noon across the Nature Coast. The expectation is that this fog will eventually spread in area coverage and could make it over the Central gulf waters by tonight. If sea fog does in fact form, it could linger through tomorrow before getting washed out by the upcoming series of fronts.

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 tonight 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. (06Z TAFs) VFR conditions to continue with southerly winds. These winds will become gusty by late morning and last through the afternoon hours. Expect increasing cloud cover from north to south and beginning in the late afternoon/evening, VCTS will be possible at northern terminals. MVFR ceilings are possible later in the period at TPA, during the overnight hours.

MARINE. High pressure will be in place through today with breezy south winds. A threat of rip currents will exist today across West Central Florida beaches . A couple of cold fronts will move through the region tonight and Wednesday. Widespread showers and a few thunderstorms are likely with these features. Some patchy sea fog is also possible today into 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 days as RH values will remain just above critical values. Widespread wetting rains are expected this evening through tomorrow. 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. However, a lack of strong winds will likely preclude red flag conditions .

Preliminary Point Temps/PoPs. TPA 79 69 75 52 / 30 80 80 50 FMY 84 70 81 58 / 0 40 80 60 GIF 84 68 79 53 / 20 70 80 50 SRQ 80 69 76 55 / 20 70 80 50 BKV 80 64 74 47 / 50 80 70 50 SPG 78 68 74 56 / 30 70 80 50

TBW WATCHES/WARNINGS/ADVISORIES. FL . High Rip Current Risk from 7 AM EST this morning through this evening for Coastal Hillsborough-Coastal Manatee-Coastal Sarasota-Pinellas.

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
42098 15 mi57 min 66°F3 ft
CWBF1 - 8726724 - Clearwater Beach, FL 17 mi63 min SSE 12 G 20 69°F 67°F1012.7 hPa
CLBF1 19 mi123 min SSE 2.9 G 8 68°F 1013.3 hPa
SAPF1 - 8726520 - St. Petersburg, FL 21 mi63 min S 9.9 G 11 67°F 68°F1012.7 hPa
MTBF1 25 mi165 min S 12 G 14 66°F 1014 hPa62°F
OPTF1 - 8726607 - Old Port Tampa, FL 26 mi63 min SSE 11 G 14 67°F 69°F1013 hPa
GCTF1 27 mi63 min 66°F 1013.3 hPa62°F
PMAF1 27 mi63 min 65°F 69°F1013.1 hPa
FHPF1 - Fred Howard Park, FL 28 mi123 min S 12 G 14 68°F 1014 hPa
MCYF1 33 mi63 min 70°F
TSHF1 - 8726667 - East Bay Causeway, FL 33 mi63 min ESE 13 G 16
42013 - C10 - Navy-2 43 mi87 min S 14 G 16 69°F 67°F1013.4 hPa
42022 43 mi87 min S 18 G 23 71°F 70°F1012.3 hPa

Wind History for Clearwater Beach, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
St. Petersburg/Clearwater Airport, FL20 mi64 minS 1010.00 miFair68°F61°F78%1012.9 hPa
Albert Whitted Airport, FL21 mi64 minS 1010.00 miFair67°F63°F87%1012.5 hPa

Link to 5 minute data for KPIE

Wind History from PIE (wind in knots)
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1 day agoNE6NE7NE6NE4E7NE75E7E5NE7N5NE5NW9NW10N7N6N5E5E4NE5SE3SE3SE6SE6
2 days agoN14
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Tide / Current Tables for Indian Rocks Beach (inside), Florida
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Indian Rocks Beach (inside)
Click for Map
Tue -- 01:17 AM EST     2.38 feet High Tide
Tue -- 07:00 AM EST     Sunrise
Tue -- 07:42 AM EST     -0.20 feet Low Tide
Tue -- 08:22 AM EST     Moonrise
Tue -- 01:48 PM EST     2.39 feet High Tide
Tue -- 06:28 PM EST     Sunset
Tue -- 07:54 PM EST     0.16 feet Low Tide
Tue -- 08:22 PM EST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.12.42.321.40.80.2-0.1-0.20.10.61.21.92.32.42.21.71.20.60.30.20.30.71.3

Tide / Current Tables for Tampa Bay Entrance, Florida Current
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Tampa Bay Entrance
Click for Map
Tue -- 12:01 AM EST     1.28 knots Max Flood
Tue -- 02:39 AM EST     -0.00 knots Slack
Tue -- 06:21 AM EST     -2.40 knots Max Ebb
Tue -- 06:59 AM EST     Sunrise
Tue -- 08:21 AM EST     Moonrise
Tue -- 10:18 AM EST     0.00 knots Slack
Tue -- 01:12 PM EST     1.43 knots Max Flood
Tue -- 04:11 PM EST     -0.00 knots Slack
Tue -- 06:28 PM EST     Sunset
Tue -- 06:42 PM EST     -1.05 knots Max Ebb
Tue -- 08:22 PM EST     Moonset
Tue -- 09:29 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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1.31.10.5-0.3-1.2-2-2.4-2.3-1.8-1.1-0.30.51.11.41.30.80.1-0.5-1-1-0.8-0.30.30.8

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 (4,6,7,8)
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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.