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Marine Weather and Tides
Version 3.4 |
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 7:04AM | Sunset 8:02PM | Saturday August 24, 2019 1:15 AM EDT (05:15 UTC) | Moonrise 12:09AM | Moonset 2:01PM | Illumination 38% |  |
GMZ830 Tampa Bay Waters- 816 Pm Edt Fri Aug 23 2019
Rest of tonight..Northeast winds around 10 knots. Bay and inland waters a light chop. Isolated Thunderstorms early in the evening.
Saturday..North winds around 10 knots. Bay and inland waters a light chop. Isolated Thunderstorms late in the morning. Scattered Thunderstorms in the afternoon.
Saturday night..Northeast winds around 10 knots. Bay and inland waters a light chop. Isolated Thunderstorms in the evening.
Sunday..North winds around 5 knots then becoming northwest in the afternoon. Bay and inland waters smooth. Isolated Thunderstorms late in the morning. Scattered Thunderstorms in the afternoon.
Sunday night..West winds around 5 knots then becoming south around 5 knots after midnight. Bay and inland waters smooth. Scattered Thunderstorms.
Monday..Southwest winds around 10 knots. Bay and inland waters a light chop. Scattered Thunderstorms.
Monday night..Southwest winds around 10 knots. Bay and inland waters a light chop. Isolated Thunderstorms in the evening, then scattered Thunderstorms after midnight.
Tuesday..West winds around 10 knots. Bay and inland waters a light chop. Scattered Thunderstorms.
Tuesday night..West winds around 10 knots. Bay and inland waters a light chop. Scattered Thunderstorms.
Wednesday..West winds around 10 knots. Bay and inland waters a light chop. Scattered Thunderstorms.
Rest of tonight..Northeast winds around 10 knots. Bay and inland waters a light chop. Isolated Thunderstorms early in the evening.
Saturday..North winds around 10 knots. Bay and inland waters a light chop. Isolated Thunderstorms late in the morning. Scattered Thunderstorms in the afternoon.
Saturday night..Northeast winds around 10 knots. Bay and inland waters a light chop. Isolated Thunderstorms in the evening.
Sunday..North winds around 5 knots then becoming northwest in the afternoon. Bay and inland waters smooth. Isolated Thunderstorms late in the morning. Scattered Thunderstorms in the afternoon.
Sunday night..West winds around 5 knots then becoming south around 5 knots after midnight. Bay and inland waters smooth. Scattered Thunderstorms.
Monday..Southwest winds around 10 knots. Bay and inland waters a light chop. Scattered Thunderstorms.
Monday night..Southwest winds around 10 knots. Bay and inland waters a light chop. Isolated Thunderstorms in the evening, then scattered Thunderstorms after midnight.
Tuesday..West winds around 10 knots. Bay and inland waters a light chop. Scattered Thunderstorms.
Tuesday night..West winds around 10 knots. Bay and inland waters a light chop. Scattered Thunderstorms.
Wednesday..West winds around 10 knots. Bay and inland waters a light chop. Scattered Thunderstorms.
GMZ800 Synopsis For The Coastal Waters From Bonita Beach To Suwannee River- 816 Pm Edt Fri Aug 23 2019
Synopsis.. A weak inverted trough will move northwest into southern florida and the eastern gulf of mexico tonight and into the weekend, with light northerly winds Saturday and Sunday turning to westerly and southwesterly by Sunday night. Winds and seas will generally remain below headline criteria, although daily Thunderstorms will produce locally hazardous boating conditions.
Synopsis.. A weak inverted trough will move northwest into southern florida and the eastern gulf of mexico tonight and into the weekend, with light northerly winds Saturday and Sunday turning to westerly and southwesterly by Sunday night. Winds and seas will generally remain below headline criteria, although daily Thunderstorms will produce locally hazardous boating conditions.
7 Day Forecast for Marine Location Near Madeira Beach, FL
Hourly EDIT Helplocation: 27.79, -82.78 debug
Area Discussion for - Tampa Bay, FL
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus62 ktbw 232344 afdtbw area forecast discussion national weather service tampa bay ruskin fl 744 pm edt Fri aug 23 2019 Update Early evening water vapor satellite imagery is showing deep moisture over southern florida from an inverted trough that is slowly pushing northwest into the region and is forecast to linger across south florida this weekend. Despite this abundant moisture, shallow mid level lapse rates kept rain chances fairly limited this afternoon, with the last few showers currently dissipating and shifting west into the gulf of mexico. The forecast looks on track overnight with a few showers possible over the coastal waters but generally rain free conditions across the land area. Saturday will setup similar to today, with scattered showers and storms developing, with the highest chances over the interior and across southwest florida. No significant changes planned for the evening update. Aviation A few isolated showers are continuing to move west through southwest florida, and could cause brief disruptions through around 01z. Otherwise,VFR and rain free conditions will hold until Saturday afternoon, when scattered thunderstorms develop |
once again across the area. Marine A weak area of low pressure will linger over south florida this weekend, setting up light northerly winds over the coastal waters. As the low lifts north and high pressure ridges into the southern gulf of mexico, winds will shift to westerly and southwesterly during the first half of next week. Winds will generally remain less than 15 knots with seas of no more than 2 feet, although daily thunderstorms will create locally hazardous boating conditions. Preliminary point temps pops Tpa 78 92 79 92 20 40 20 30 fmy 76 92 78 92 20 50 30 50 gif 76 93 77 94 20 50 20 50 srq 77 92 78 92 20 40 20 30 bkv 74 93 75 94 10 40 20 40 spg 79 91 80 92 20 40 20 30 Tbw watches warnings advisories Fl... None. Gulf waters... None. Fleming |
Weather Reporting Stations
EDIT (on/off) Help NOTE: Click on distance to see the station location on a map| Stations | Dist | Age | Wind | Air Temp | Water Temp | Waves | Pressure | DewPt |
| CLBF1 | 6 mi | 82 min | NE 1.9 G 4.1 | 82°F | 1014.4 hPa | |||
| SAPF1 - 8726520 - St. Petersburg, FL | 8 mi | 46 min | E 7 G 9.9 | 84°F | 89°F | 1015.4 hPa | ||
| CWBF1 - 8726724 - Clearwater Beach, FL | 13 mi | 52 min | ENE 5.1 G 6 | 83°F | 89°F | 1015.1 hPa | ||
| MTBF1 | 13 mi | 46 min | E 9.9 G 13 | 1015.3 hPa | ||||
| OPTF1 - 8726607 - Old Port Tampa, FL | 13 mi | 46 min | ENE 1.9 G 4.1 | 87°F | 1015.2 hPa | |||
| GCTF1 | 14 mi | 46 min | 1015.1 hPa | |||||
| 42098 | 16 mi | 46 min | 86°F | 2 ft | ||||
| PMAF1 | 16 mi | 46 min | 80°F | 88°F | 1014.9 hPa | |||
| MCYF1 | 21 mi | 46 min | 85°F | |||||
| TPAF1 - 8726694 - TPA Cruise Terminal 2, Tampa, FL | 21 mi | 100 min | N 2.9 G 4.1 | |||||
| TSHF1 - 8726667 - East Bay Causeway, FL | 21 mi | 46 min | NE 2.9 G 4.1 | |||||
| FHPF1 - Fred Howard Park, FL | 25 mi | 82 min | E 5.1 G 7 | 83°F | 1015.8 hPa | |||
| ARPF1 - APK - Aripeka, FL | 45 mi | 142 min | E 4.1 G 7 | 87°F | 1015.2 hPa |
Wind History for St. Petersburg, FL
(wind in knots) EDIT (on/off) Help| 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | 7 AM | 8 AM | 9 AM | 10 AM | 11 AM | 12 PM | 1 PM | 2 PM | 3 PM | 4 PM | 5 PM | 6 PM | 7 PM | 8 PM | 9 PM | 10 PM | 11 PM | 12 AM | 1 AM | |
| Last 24hr | E G7 | E | E | E | NE G7 | NE | NE | NE G10 | NE G9 | NE G9 | NE | NE G7 | N G11 | N G12 | NE | NE G13 | NE G11 | NE G10 | NE G14 | E G12 | E | NE | E G10 | E G9 |
| 1 day ago | E | E | SE | SE | SE G7 | SE G7 | SE | E | E | E | E | E | E | E G6 | E | E | NE | S | SE G9 | SE G10 | SE G9 | SE G10 | SE G8 | SE G6 |
| 2 days ago | SE | E G7 | SE G9 | E G7 | SE G8 | SE G10 | E G8 | SE G7 | E | E | NE | NE | SW | W | SW | W | N G10 | SE G8 | E | E | W |
Airport Reports
EDIT (on/off) Help Click EDIT to display multiple airports. Follow links for more data.| Airport | Dist | Age | Wind kt | Visibility | Sky/Weather | Temp | DewPt | Humidity | Pressure |
| Albert Whitted Airport, FL | 8 mi | 3.4 hrs | E 11 | 10.00 mi | Fair | 85°F | 75°F | 72% | 1014.1 hPa |
| St. Petersburg/Clearwater Airport, FL | 10 mi | 3.4 hrs | NE 7 | 10.00 mi | Fair | 86°F | 72°F | 63% | 1014.7 hPa |
| Macdill Air Force Base, Fl., FL | 15 mi | 3.3 hrs | ENE 6 | 10.00 mi | Fair | 81°F | 74°F | 81% | 1014.8 hPa |
| Tampa, Tampa International Airport, FL | 18 mi | 3.4 hrs | NE 4 | 10.00 mi | Fair | 84°F | 73°F | 70% | 1014.9 hPa |
| Tampa, Peter O Knight Airport, FL | 20 mi | 81 min | NE 6 | 10.00 mi | Overcast | 81°F | 78°F | 94% | 1015.2 hPa |
Link to 5 minute data for KSPG
Wind History from SPG (wind in knots)
| 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | 7 AM | 8 AM | 9 AM | 10 AM | 11 AM | 12 PM | 1 PM | 2 PM | 3 PM | 4 PM | 5 PM | 6 PM | 7 PM | 8 PM | 9 PM | 10 PM | 11 PM | 12 AM | 1 AM | |
| Last 24hr | SE | E | E | E | E | NE | NE | NE | NE | E | E | NE | N | N | NE | NE | NE | NE | NE | E | E | NE | E | E |
| 1 day ago | Calm | E | SE | SE | SE | SE | SE | E | E | E | E | E | E | Calm | E | E | Calm | SE | SE | SE | SE | SE | SE | SE |
| 2 days ago | SE | E | SE | SE | SE | SE | E | SE | SE | E | SE | SE | E | NE | NE | Calm | SW | W | SW | N | SE G19 | Calm | Calm | SW |
Tide / Current Tables for Johns Pass, Florida
EDIT Weekend mode (on/off) (on/off) Help One Week of DataJohns Pass
Click for Map
Sat -- 01:08 AM EDT Moonrise
Sat -- 05:50 AM EDT 2.25 feet High Tide
Sat -- 07:05 AM EDT Sunrise
Sat -- 02:22 PM EDT 0.44 feet Low Tide
Sat -- 03:01 PM EDT Moonset
Sat -- 08:00 PM EDT Sunset
Sat -- 10:00 PM EDT 1.51 feet High Tide
Sat -- 11:50 PM EDT 1.58 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Sat -- 01:08 AM EDT Moonrise
Sat -- 05:50 AM EDT 2.25 feet High Tide
Sat -- 07:05 AM EDT Sunrise
Sat -- 02:22 PM EDT 0.44 feet Low Tide
Sat -- 03:01 PM EDT Moonset
Sat -- 08:00 PM EDT Sunset
Sat -- 10:00 PM EDT 1.51 feet High Tide
Sat -- 11:50 PM EDT 1.58 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
| 12 am | 1 am | 2 am | 3 am | 4 am | 5 am | 6 am | 7 am | 8 am | 9 am | 10 am | 11 am | 12 pm | 1 pm | 2 pm | 3 pm | 4 pm | 5 pm | 6 pm | 7 pm | 8 pm | 9 pm | 10 pm | 11 pm |
| 1.4 | 1.5 | 1.7 | 1.9 | 2.1 | 2.2 | 2.3 | 2.2 | 2 | 1.7 | 1.4 | 1.1 | 0.8 | 0.6 | 0.4 | 0.5 | 0.6 | 0.8 | 1.1 | 1.3 | 1.4 | 1.5 | 1.5 | 1.5 |
Tide / Current Tables for Tampa Bay Entrance (Egmont Channel), Florida Current
EDIT (on/off) Help One Week of DataTampa Bay Entrance (Egmont Channel)
Click for Map
Sat -- 12:20 AM EDT -0.07 knots Max Ebb
Sat -- 01:09 AM EDT Moonrise
Sat -- 01:18 AM EDT 0.00 knots Slack
Sat -- 05:39 AM EDT 0.89 knots Max Flood
Sat -- 07:06 AM EDT Sunrise
Sat -- 08:41 AM EDT -0.00 knots Slack
Sat -- 12:41 PM EDT -1.35 knots Max Ebb
Sat -- 03:00 PM EDT Moonset
Sat -- 05:12 PM EDT 0.00 knots Slack
Sat -- 08:00 PM EDT Sunset
Sat -- 08:49 PM EDT 0.94 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Sat -- 12:20 AM EDT -0.07 knots Max Ebb
Sat -- 01:09 AM EDT Moonrise
Sat -- 01:18 AM EDT 0.00 knots Slack
Sat -- 05:39 AM EDT 0.89 knots Max Flood
Sat -- 07:06 AM EDT Sunrise
Sat -- 08:41 AM EDT -0.00 knots Slack
Sat -- 12:41 PM EDT -1.35 knots Max Ebb
Sat -- 03:00 PM EDT Moonset
Sat -- 05:12 PM EDT 0.00 knots Slack
Sat -- 08:00 PM EDT Sunset
Sat -- 08:49 PM EDT 0.94 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
| 12 am | 1 am | 2 am | 3 am | 4 am | 5 am | 6 am | 7 am | 8 am | 9 am | 10 am | 11 am | 12 pm | 1 pm | 2 pm | 3 pm | 4 pm | 5 pm | 6 pm | 7 pm | 8 pm | 9 pm | 10 pm | 11 pm |
| -0.1 | -0 | 0.1 | 0.4 | 0.7 | 0.8 | 0.9 | 0.7 | 0.3 | -0.2 | -0.7 | -1.1 | -1.3 | -1.3 | -1.2 | -0.9 | -0.5 | -0.1 | 0.3 | 0.7 | 0.9 | 0.9 | 0.8 | 0.6 |
Weather Map and Satellite Images
(on/off) HelpWeather Map
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 (1,6,7,8)
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Ground Weather Radar Station Tampa Bay Area, FL
(on/off) Help
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. |