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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 7:03AM | Sunset 7:57PM | Sunday August 25, 2019 12:07 PM EDT (16:07 UTC) | Moonrise 12:56AM | Moonset 2:57PM | Illumination 24% |  |
GMZ836 Charlotte Harbor And Pine Island Sound- 1029 Am Edt Sun Aug 25 2019
This afternoon..Northeast winds around 5 knots then becoming west around 10 knots in the afternoon. Bay and inland waters a light chop. Isolated Thunderstorms early in the morning. Scattered Thunderstorms late in the afternoon.
Tonight..Southwest winds around 5 knots. Bay and inland waters smooth. Isolated Thunderstorms early in the evening, then scattered Thunderstorms in the late evening and overnight.
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. Scattered Thunderstorms in the evening, then isolated Thunderstorms after midnight.
Tuesday..West winds around 10 knots. Bay and inland waters a light chop. Scattered Thunderstorms in the morning, then isolated Thunderstorms in the afternoon.
Tuesday night..West winds around 10 knots. Bay and inland waters a light chop. Isolated Thunderstorms after midnight.
Wednesday..West winds around 10 knots. Bay and inland waters a light chop. Scattered Thunderstorms.
Wednesday night..Northwest winds around 10 knots. Bay and inland waters a light chop. Scattered Thunderstorms.
Thursday..West winds around 5 knots. Bay and inland waters smooth. Scattered Thunderstorms.
This afternoon..Northeast winds around 5 knots then becoming west around 10 knots in the afternoon. Bay and inland waters a light chop. Isolated Thunderstorms early in the morning. Scattered Thunderstorms late in the afternoon.
Tonight..Southwest winds around 5 knots. Bay and inland waters smooth. Isolated Thunderstorms early in the evening, then scattered Thunderstorms in the late evening and overnight.
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. Scattered Thunderstorms in the evening, then isolated Thunderstorms after midnight.
Tuesday..West winds around 10 knots. Bay and inland waters a light chop. Scattered Thunderstorms in the morning, then isolated Thunderstorms in the afternoon.
Tuesday night..West winds around 10 knots. Bay and inland waters a light chop. Isolated Thunderstorms after midnight.
Wednesday..West winds around 10 knots. Bay and inland waters a light chop. Scattered Thunderstorms.
Wednesday night..Northwest winds around 10 knots. Bay and inland waters a light chop. Scattered Thunderstorms.
Thursday..West winds around 5 knots. Bay and inland waters smooth. Scattered Thunderstorms.
GMZ800 Synopsis For The Coastal Waters From Bonita Beach To Suwannee River- 1029 Am Edt Sun Aug 25 2019
Synopsis.. North to northeast winds this afternoon with relatively low rain chances over the waters. Through midweek, west to southwest flow setup will allow for a better chance of showers and storms early in the morning across the eastern gulf waters which will then move inland through the day. No headlines are expected at this time as winds and seas will remain below thresholds... By later in the work week into the weekend, a broad trough of low pressure in the gulf will increase rain chances across the eastern gulf waters.
Synopsis.. North to northeast winds this afternoon with relatively low rain chances over the waters. Through midweek, west to southwest flow setup will allow for a better chance of showers and storms early in the morning across the eastern gulf waters which will then move inland through the day. No headlines are expected at this time as winds and seas will remain below thresholds... By later in the work week into the weekend, a broad trough of low pressure in the gulf will increase rain chances across the eastern gulf waters.
7 Day Forecast for Marine Location Near Rotonda, FL
Hourly EDIT Helplocation: 26.74, -82.33 debug
Area Discussion for - Tampa Bay, FL
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus62 ktbw 251135 afdtbw area forecast discussion national weather service tampa bay ruskin fl 735 am edt Sun aug 25 2019 Aviation Similar to yesterday, MVFR with brief periods of ifr CIGS are occurring this morning across pgd fmy rsw and conditions should improve by 14-15 utc. Have elected to go ahead and remove mention of vcts at tpa pie srq as convective coverage is expected to be low through the afternoon. Otherwise, winds will be out of the north to northeast before shifting onshore near coastal terminals by mid afternoon. Prev discussion issued 311 am edt Sun aug 25 2019 discussion... the weak area of low pressure that has been over south florida for the last few days will begin to move further north today into the western atlantic. Chances for tropical development remain high with this system although no direct impacts are expected to our state as it will continue to parallel the us east coast over the next few days. Closer to home, drier air remains in place today which will help suppress shower and storm coverage once again today. Pops will be in the 30-50 percent range for much of the area, highest inland. The departing system will create southwest flow on Monday and with moisture increasing over the area (pws climbing above 2 inches) expect morning showers thunderstorms to develop before gradually migrating inland throughout the day. This SW flow regime will continue through Thursday as the bermuda-azores high begins to build back in on Thursday at the surface. The anticyclonic (clockwise) movement of air around the feature at the surface will cause winds to become more ese by late in the work weak. This ese flow will continue to keep the pattern wet with diurnal storms, particularly in southwest florida as a deep plume |
of moisture from the caribbean will be advected over the peninsula into next weekend. Temperatures will run near to above normal through the period. Marine... fairly benign weather can be expected across the coastal waters through the period. Winds will remain north-northeast 10 knots or less for the remainder of the weekend although a seabreeze will shift winds onshore this afternoon. Then on Monday, winds will shift to the west-southwest and continuing 10 knots or less through the middle of next week. Winds will increase to around 10 to 15 knots with increasing rain storm chances through Thursday next week. So outside of any storms, winds should remain below 15 knots and seas 2 feet or less. Fire weather... sufficient low level moisture will keep relative humidity values above critical levels through the week with no red flag conditions expected. No significant fog is expected through the period. Preliminary point temps pops Tpa 92 77 90 78 20 30 30 20 fmy 92 77 90 77 40 20 50 20 gif 95 76 93 76 30 40 60 30 srq 92 77 90 78 20 30 30 20 bkv 94 74 91 75 20 30 50 30 spg 93 77 89 78 20 20 30 20 Tbw watches warnings advisories Fl... None. Gulf waters... None. Aviation... 42 norman previous discussion... 11 mckaughan |
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 |
| VENF1 - Venice, FL | 24 mi | 67 min | N 6 G 7 | 85°F | 86°F | 1014.9 hPa (+1.0) | 75°F | |
| FMRF1 - 8725520 - Fort Myers, FL | 25 mi | 49 min | NNE 2.9 G 4.1 | 86°F | 87°F | 1014.2 hPa | ||
| BGCF1 - Big Carlos Pass, FL | 33 mi | 73 min | ENE 1 G 1.9 | 88°F | 1015.3 hPa |
Wind History for Naples, FL
(wind in knots) EDIT (on/off) Help| Last 24hr | ||||||||||||||||||||||||
| 1 day ago | ||||||||||||||||||||||||
| 2 days ago |
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 |
| Punta Gorda, Charlotte County Airport, FL | 22 mi | 2.2 hrs | NNE 4 | 10.00 mi | Fair | 85°F | 77°F | 77% | 1015 hPa |
| Venice Municipal Airport, FL | 24 mi | 92 min | NNE 4 | 10.00 mi | Fair | 88°F | 77°F | 70% | 1015.2 hPa |
Link to 5 minute data for KPGD
Wind History from PGD (wind in knots)
| 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 | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | 7 AM | 8 AM | 9 AM | 10 AM | 11 AM | 12 PM | |
| Last 24hr | N | N | N | NE | N | NE | E | NE | E | E | E | NE | NE | E | NE | NE | E | Calm | Calm | NE | E | NE | NE | |
| 1 day ago | N | N | E | Calm | NE | N | NE | N | E | Calm | NE | NE | NE | NE | NE | NE | N | N | NE | N | N | N | N | N |
| 2 days ago | E | N | NE | NE | E | E G21 | E | E | E | E | NE | Calm | NE | NE | NE | NE | N | NE | NE | NE | NE | E | NE |
Tide / Current Tables for Port Boca Grande, Charlotte Harbor, Florida
EDIT Weekend mode (on/off) (on/off) Help One Week of DataPort Boca Grande
Click for Map
Sun -- 01:55 AM EDT Moonrise
Sun -- 07:05 AM EDT Sunrise
Sun -- 07:54 AM EDT 1.78 feet High Tide
Sun -- 03:44 PM EDT 0.18 feet Low Tide
Sun -- 03:57 PM EDT Moonset
Sun -- 07:56 PM EDT Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Sun -- 01:55 AM EDT Moonrise
Sun -- 07:05 AM EDT Sunrise
Sun -- 07:54 AM EDT 1.78 feet High Tide
Sun -- 03:44 PM EDT 0.18 feet Low Tide
Sun -- 03:57 PM EDT Moonset
Sun -- 07:56 PM EDT Sunset
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 |
| 1.1 | 1.2 | 1.2 | 1.3 | 1.4 | 1.5 | 1.7 | 1.8 | 1.8 | 1.7 | 1.5 | 1.3 | 1 | 0.7 | 0.4 | 0.2 | 0.2 | 0.3 | 0.4 | 0.6 | 0.8 | 1 | 1.1 | 1.2 |
Tide / Current Tables for Boca Grande Pass, Charlotte Harbor, Florida Current
EDIT (on/off) Help One Week of DataBoca Grande Pass
Click for Map
Sun -- 01:55 AM EDT Moonrise
Sun -- 02:08 AM EDT 0.25 knots Min Flood
Sun -- 06:21 AM EDT 1.54 knots Max Flood
Sun -- 07:05 AM EDT Sunrise
Sun -- 09:28 AM EDT -0.00 knots Slack
Sun -- 02:07 PM EDT -2.24 knots Max Ebb
Sun -- 03:57 PM EDT Moonset
Sun -- 05:55 PM EDT 0.00 knots Slack
Sun -- 07:56 PM EDT Sunset
Sun -- 09:48 PM EDT 1.87 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Sun -- 01:55 AM EDT Moonrise
Sun -- 02:08 AM EDT 0.25 knots Min Flood
Sun -- 06:21 AM EDT 1.54 knots Max Flood
Sun -- 07:05 AM EDT Sunrise
Sun -- 09:28 AM EDT -0.00 knots Slack
Sun -- 02:07 PM EDT -2.24 knots Max Ebb
Sun -- 03:57 PM EDT Moonset
Sun -- 05:55 PM EDT 0.00 knots Slack
Sun -- 07:56 PM EDT Sunset
Sun -- 09:48 PM EDT 1.87 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 |
| 0.7 | 0.4 | 0.3 | 0.4 | 0.7 | 1.2 | 1.5 | 1.5 | 1 | 0.4 | -0.4 | -1.1 | -1.6 | -2 | -2.2 | -2.1 | -1.6 | -0.8 | 0.1 | 0.9 | 1.5 | 1.8 | 1.9 | 1.7 |
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 (12,3,4,5)
(on/off) Help
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. |