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Marine Weather and Tides
Version 3.4 |
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported. 5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive. 5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds. |
| Sunrise 7:01AM | Sunset 8:01PM | Sunday August 20, 2017 5:06 PM EDT (21:06 UTC) | Moonrise 4:46AM | Moonset 6:21PM | Illumination 2% |  |
Marine Forecasts
EDIT (on/off) Help| GMZ856 Coastal Waters From Bonita Beach To Englewood Fl Out 20 Nm- 239 Pm Edt Sun Aug 20 2017 Tonight..East winds around 15 knots. Seas 2 feet. Bay and inland waters a moderate chop. Scattered Thunderstorms in the evening. Monday..East winds around 15 knots diminishing to 5 to 10 knots in the afternoon. Seas 2 feet. Bay and inland waters a moderate chop. Monday night..Northeast winds 5 to 10 knots then becoming east around 15 knots in the late evening and overnight. Seas 2 to 3 feet. Bay and inland waters a moderate chop. Tuesday..Northeast winds around 10 knots. Seas 2 feet. Bay and inland waters a light chop. Scattered Thunderstorms. Tuesday night..East winds around 10 knots. Seas 2 feet or less. Bay and inland waters a light chop. Scattered Thunderstorms. Wednesday..Southeast winds around 10 knots then becoming south around 5 knots in the afternoon. Seas 2 feet or less. Bay and inland waters a light chop. Numerous Thunderstorms. Wednesday night..Southeast winds around 10 knots. Seas 2 feet or less. Bay and inland waters a light chop. Numerous Thunderstorms in the evening, then scattered Thunderstorms after midnight. Thursday..Southwest winds around 10 knots. Seas 2 feet or less. Bay and inland waters a light chop. Numerous Thunderstorms. Thursday night..Southwest winds around 10 knots. Seas 2 feet or less. Bay and inland waters a light chop. Numerous Thunderstorms in the evening, then scattered Thunderstorms after midnight. Friday..Southwest winds around 10 knots. Seas 2 feet or less. Bay and inland waters a light chop. Numerous Thunderstorms. | GMZ800 Synopsis For The Coastal Waters From Bonita Beach To Suwannee River- 239 Pm Edt Sun Aug 20 2017 Synopsis..A weak tropical wave will move over southern florida and into the eastern gulf of mexico later this evening into Monday. High pressure near bermuda ridges west over the area through the period. A series of waves on the south side of the ridge will move through the area producing scattered showers and storms through mid week. Rain chances increase on Wednesday and Thursday with numerous showers and storms expected. With high pressure to our north, a predominant easterly wind flow can be expected, but remaining 15 knots or less. So, outside of increased winds and seas as well as dangerous lightning in the vicinity of storms, no other marine impacts are expected. |
7 Day Forecast for Marine Location Near Pineland, FL
Hourly EDIT Helplocation: 26.7, -82.32 debug
Area Discussion for - Tampa Bay, FL
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus62 ktbw 201815 afdtbw area forecast discussion national weather service tampa bay ruskin fl 215 pm edt Sun aug 20 2017 Short term (tonight - Monday) In the mid upper levels, an upper level low over the eastern gulf of mexico will continue moving westward toward texas through the tonight and into next week. Mid-level ridging near bermuda extends west-southwest over eastern florida. On the surface, a weak tropical wave moves across southern florida tonight. Pwat values will increase tonight to over 2 inches which will help produce a good chance of rain and storms this evening. On Monday, the wave moves into the eastern gulf as subtropical high pressure near bermuda ridges west-southwest over florida. This will produce a predominant easterly wind flow over the florida peninsula. A decrease in moisture is expected with pwat values dropping to below 2 inches on Monday which in turn will cause a decrease in rain chances. Temperatures will remain around seasonal averages with daytime highs in the low 90's and overnight lows in the mid to upper 70's. Long term (Monday night - Sunday) Another inverted trough (tropical wave) will be approaching from the southeast at the start of the period. This feature is forecast to move northwest across the south-central peninsula during the day on Tuesday bringing with it increasing rain chances across the southern third of the forecast area with scattered showers and thunderstorms (pops 30 to 50 percent range) expected, while further to the north lingering dry air will likely keep shower and storm coverage in the isolated range (pops 20 percent) across the nature coast. During Wednesday and Thursday deep layered moisture (pw's 2+ inches) in the wake of the trough combined with the sea breeze circulations will support elevated rain chances (pops in the 40 to 70 percent range) across the entire forecast area with scattered to numerous showers and thunderstorms expected daily, with the high moisture content combined with slow moving storms favoring locally heavy rainfall rates and amounts in some locations. On Friday and Saturday the surface ridge axis will sink south as an upper level trough and attendant cold front drops south toward the florida georgia border. With ample moisture (pw's 2+ inches) remaining in place along with the sea breeze, troughing aloft, and a series of weak low pressure areas moving northeast along the stalled front will support high coverage of showers and thunderstorms (pops 60 to 70 percent range) continuing across the forecast area with some locally heavy rainfall possible each day. During Sunday the upper level trough axis will shift east into the atlantic as upper level ridging noses in from the northwest as the surface ridge axis |
lifts back to the north some with scattered to numerous diurnal sea breeze driven showers and storms expected during the afternoon. Daytime temperatures will run above normal through Wednesday, before returning to near normal Thursday through Sunday as clouds and rain chances increase across the area. Overnight lows will remain above normal through the period with lows in mid 70s inland areas, and upper 70s to around 80 along the coast. Aviation Vfr conditions can be expected through most of the afternoon. Some brief MVFR ifr conditions will be possible this afternoon with passing storms between 18z-03z. Will keep overallVFR conditions in tafs for now and cover with vcts and tempo groups later in the day based on radar coverage. No other aviation impacts expected. Marine A weak tropical wave will move over southern florida and into the eastern gulf of mexico later this evening into Monday. High pressure near bermuda ridges west over the area through the period. A series of waves on the south side of the ridge will move through the area producing scattered showers and storms through mid week. Rain chances increase on Wednesday and Thursday with numerous showers and storms expected. With high pressure to our north, a predominant easterly wind flow can be expected, but remaining 15 knots or less. So, outside of increased winds and seas as well as dangerous lightning in the vicinity of storms, no other marine impacts are expected. Fire weather Abundant moisture combined with daily rain chances will keep humidity levels above critical levels through early next week with no fire weather issues expected. Preliminary point temps pops Tpa 78 92 78 93 10 10 10 30 fmy 76 93 77 91 10 10 10 50 gif 75 94 76 93 10 10 10 30 srq 77 93 77 92 10 10 10 30 bkv 75 93 74 93 10 20 10 20 spg 79 92 80 92 10 10 10 30 Tbw watches warnings advisories Fl... None. Gulf waters... None. Short term aviation marine fire weather... 74 wynn long term decision support... 57 mcmichael |
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 |
| FMRF1 - 8725520 - Fort Myers, FL | 24 mi | 49 min | E 6 G 8 | 89°F | 92°F | 1014.9 hPa | ||
| VENF1 - Venice, FL | 27 mi | 67 min | ENE 6 G 8 | 90°F | 90°F | 1016 hPa (-0.8) | 71°F | |
| 42013 - C10 - Navy-2 | 46 mi | 97 min | NNE 5.8 G 7.8 | 90°F | ||||
| NPSF1 - 8725110 - Naples, FL | 48 mi | 49 min | SSE 2.9 G 6 | 90°F | 1014.8 hPa |
Wind History for Naples, FL
(wind in knots) EDIT (on/off) Help| 5 PM | 6 PM | 7 PM | 8 PM | 9 PM | 10 PM | 11 PM | 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 | |
| Last 24hr | NW | NW | NW G13 | N | N | S | E | E | E | SE G9 | SE | E | NE | NE | NE | E G8 | NE | E G9 | NE G11 | E G11 | E G12 | E G9 | SE G10 | NE |
| 1 day ago | NW | NW | NW | NW | SE G11 | SE | SE | E G11 | E G9 | NE | -- | NE | E | E | E | E | E | E G5 | SW | W | W | NW | NW | NW |
| 2 days ago | SW G10 | SE | SE G5 | NW G12 | E | NE | E | NE | NE | E G8 | NE | SE G9 | E | NE G5 | E | NE | NE | S | S | SW | SW | SW | W | W |
Airport Reports
EDIT (on/off) Help Click EDIT to display multiple airports| Airport | Dist | Age | Wind kt | Visibility | Sky/Weather | Temp | DewPt | Humidity | Pressure |
| Punta Gorda, Charlotte County Airport, FL | 23 mi | 74 min | NE 11 | 10.00 mi | Fair | 90°F | 75°F | 63% | 1016.3 hPa |
Wind History from PGD (wind in knots)
| 6 PM | 7 PM | 8 PM | 9 PM | 10 PM | 11 PM | 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 | |
| Last 24hr | N | N | N | S | SW | Calm | SE | SE | Calm | Calm | N | E | E | E | NE | NE | NE | E | E | SE | E G19 | NE | E G31 | |
| 1 day ago | N | NE | NE | E | E | SE | E | NE | N | S | E | NE | Calm | E | SE | NE | E | S | NW | W | E | Calm | N | |
| 2 days ago | W | S | Calm | E | NE | E | SE | E | E | Calm | NE | NE | E | Calm | E | Calm | S | SW | SW | S | NW | W | S |
Tide / Current Tables for Port Boca Grande, Charlotte Harbor, Florida
EDIT RT Ports Option Weekend mode (on/off) (on/off) Help One Week of Data| Port Boca Grande Click for Map Sun -- 01:49 AM EDT 1.25 feet High Tide Sun -- 04:57 AM EDT 0.99 feet Low Tide Sun -- 05:45 AM EDT Moonrise Sun -- 07:03 AM EDT Sunrise Sun -- 12:01 PM EDT 2.06 feet High Tide Sun -- 06:52 PM EDT -0.04 feet Low Tide Sun -- 07:20 PM EDT Moonset Sun -- 08:00 PM EDT Sunset Tide / Current data from XTide NOT FOR NAVIGATION |
| 12am | 1am | 2am | 3am | 4am | 5am | 6am | 7am | 8am | 9am | 10am | 11am | 12pm | 1pm | 2pm | 3pm | 4pm | 5pm | 6pm | 7pm | 8pm | 9pm | 10pm | 11pm |
| 1.1 | 1.2 | 1.2 | 1.2 | 1.1 | 1 | 1 | 1.2 | 1.4 | 1.6 | 1.8 | 2 | 2.1 | 2 | 1.7 | 1.3 | 0.8 | 0.4 | 0 | -0 | 0 | 0.2 | 0.5 | 0.8 |
Tide / Current Tables for Boca Grande Pass, Charlotte Harbor, Florida Current
EDIT (on/off) Help One Week of Data| Boca Grande Pass Click for Map Sun -- 03:40 AM EDT -0.00 knots Slack Sun -- 05:08 AM EDT -0.49 knots Max Ebb Sun -- 05:45 AM EDT Moonrise Sun -- 06:35 AM EDT 0.00 knots Slack Sun -- 07:03 AM EDT Sunrise Sun -- 10:25 AM EDT 2.50 knots Max Flood Sun -- 01:30 PM EDT -0.01 knots Slack Sun -- 05:23 PM EDT -3.40 knots Max Ebb Sun -- 07:20 PM EDT Moonset Sun -- 08:00 PM EDT Sunset Sun -- 09:01 PM EDT 0.01 knots Slack Tide / Current data from XTide NOT FOR NAVIGATION |
| 12am | 1am | 2am | 3am | 4am | 5am | 6am | 7am | 8am | 9am | 10am | 11am | 12pm | 1pm | 2pm | 3pm | 4pm | 5pm | 6pm | 7pm | 8pm | 9pm | 10pm | 11pm |
| 2.6 | 2.2 | 1.4 | 0.5 | -0.2 | -0.5 | -0.3 | 0.3 | 1.1 | 2 | 2.4 | 2.4 | 1.8 | 0.7 | -0.6 | -1.9 | -2.9 | -3.4 | -3.3 | -2.6 | -1.5 | -0 | 1.3 | 2.3 |
Weather Map and Satellite Images
(on/off) HelpWeather Map | IR Satellite Image from GEOS GOES Local Image of Southeast EDIT  |
Wind Forecast for Tampa Bay, FL (17,4,5,8)
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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. |