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Marine Weather and Tides
Version 3.4 |
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome. 10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name. |
| Sunrise 6:37AM | Sunset 8:15PM | Monday May 20, 2019 10:29 AM EDT (14:29 UTC) | Moonrise 9:11PM | Moonset 7:08AM | Illumination 98% |  |
GMZ853 Coastal Waters From Englewood To Tarpon Springs Fl Out 20 Nm- 352 Am Edt Mon May 20 2019
Today..East winds around 5 knots then then gradually becoming northwest around 10 knots in the afternoon. Seas 2 feet or less. Bay and inland waters a light chop.
Tonight..Northwest winds around 10 knots then becoming southeast after midnight. Seas 2 feet or less. Bay and inland waters a light chop. Isolated Thunderstorms late in the evening.
Tuesday..Southeast winds around 5 knots then becoming west early in the afternoon, then then becoming around 10 knots late in the afternoon. Seas 2 feet or less. Bay and inland waters a light chop.
Tuesday night..Northwest winds around 5 knots then becoming southeast around 10 knots after midnight. Seas 2 feet or less. Bay and inland waters a light chop.
Wednesday..East winds around 5 knots then becoming northwest around 10 knots late in the afternoon. Seas 2 feet or less. Bay and inland waters a light chop.
Wednesday night..Northeast winds around 10 knots then becoming east around 15 knots in the late evening and overnight. Seas 2 feet. Bay and inland waters a moderate chop.
Thursday..East winds around 15 knots diminishing to 5 to 10 knots in the late morning and early afternoon, then increasing to around 15 knots late in the afternoon. Seas 2 feet. Bay and inland waters a moderate chop.
Thursday night..East winds around 20 knots. Seas 2 to 3 feet. Bay and inland waters choppy.
Friday..East winds around 15 knots. Seas 2 to 3 feet. Bay and inland waters a moderate chop.
Today..East winds around 5 knots then then gradually becoming northwest around 10 knots in the afternoon. Seas 2 feet or less. Bay and inland waters a light chop.
Tonight..Northwest winds around 10 knots then becoming southeast after midnight. Seas 2 feet or less. Bay and inland waters a light chop. Isolated Thunderstorms late in the evening.
Tuesday..Southeast winds around 5 knots then becoming west early in the afternoon, then then becoming around 10 knots late in the afternoon. Seas 2 feet or less. Bay and inland waters a light chop.
Tuesday night..Northwest winds around 5 knots then becoming southeast around 10 knots after midnight. Seas 2 feet or less. Bay and inland waters a light chop.
Wednesday..East winds around 5 knots then becoming northwest around 10 knots late in the afternoon. Seas 2 feet or less. Bay and inland waters a light chop.
Wednesday night..Northeast winds around 10 knots then becoming east around 15 knots in the late evening and overnight. Seas 2 feet. Bay and inland waters a moderate chop.
Thursday..East winds around 15 knots diminishing to 5 to 10 knots in the late morning and early afternoon, then increasing to around 15 knots late in the afternoon. Seas 2 feet. Bay and inland waters a moderate chop.
Thursday night..East winds around 20 knots. Seas 2 to 3 feet. Bay and inland waters choppy.
Friday..East winds around 15 knots. Seas 2 to 3 feet. Bay and inland waters a moderate chop.
GMZ800 Synopsis For The Coastal Waters From Bonita Beach To Suwannee River- 352 Am Edt Mon May 20 2019
Synopsis.. High pressure will continue to dominate our weather pattern through the week with dry conditions expected over the waters with the exception of a shower/storm possible around bays and nearshore waters this evening. Winds will take an onshore westerly component during the afternoon as the sea breeze develops and pushes inland. Average winds in the lowest 10k feet will increase out of the east by Wednesday into the weekend and this will help to keep the sea breeze pinned closer to the coast. Easterly surges will also begin Wednesday night, resulting in offshore winds approaching cautionary levels for several nights.
Synopsis.. High pressure will continue to dominate our weather pattern through the week with dry conditions expected over the waters with the exception of a shower/storm possible around bays and nearshore waters this evening. Winds will take an onshore westerly component during the afternoon as the sea breeze develops and pushes inland. Average winds in the lowest 10k feet will increase out of the east by Wednesday into the weekend and this will help to keep the sea breeze pinned closer to the coast. Easterly surges will also begin Wednesday night, resulting in offshore winds approaching cautionary levels for several nights.
7 Day Forecast for Marine Location Near Vamo, FL
Hourly EDIT Helplocation: 27.22, -82.51 debug
Area Discussion for - Tampa Bay, FL
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus62 ktbw 201308 afdtbw area forecast discussion national weather service tampa bay ruskin fl 908 am edt Mon may 20 2019 Update A mid level low over the bahamas this morning will drift east the remainder of today as upper level ridging builds in from the gulf. Surface high pressure from the atlantic across the northern florida peninsula will maintain a light east southeast wind flow across the forecast area with an onshore sea breeze component developing along the coast during the afternoon. Morning RAOB data shows a subtle increase in moisture with a pw of 1.13 inches which is up just over a quarter of an inch from yesterday at this time. This moisture combined with daytime heating should support some isolated to scattered shower and storm development along the inland moving sea breeze boundaries during mid to late afternoon which the latest hi-res convective guidance also suggests with the highest chances across southwest florida where the best moisture will reside. Temperatures today will be similar to Sunday with highs again climbing into the lower 90s during the afternoon. Current forecast is in good shape with no morning update required at this time. Aviation |
Vfr is expected at all terminal sites during the next 24 hours. East winds in the 5 to 7 knot range can be expected except becoming west-northwest at 7 to 10 knots at the coastal sites after 18z as the sea breeze component develops. Some isolated to scattered shra tsra will be possible along the inland moving sea breeze after 20z and will maintain vcts at kpgd, kfmy, and krsw terminals with vcsh at klal for now. Light variable winds can be expected at all terminals after 02z tonight. Marine High pressure from the atlantic extending west-southwest across the northern florida peninsula will maintain light east-southeast winds and slight seas over the gulf waters the remainder of today with an onshore sea breeze component developing along the coast during the afternoon. Ongoing forecast has a good handle on this, so no changes are expected in the next forecast issuance around 10 am. Tbw watches warnings advisories Fl... None. Gulf waters... None. Update aviation marine... 57 mcmichael upper air decision support... 27 shiveley |
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 | 11 mi | 89 min | E 6 G 7 | 79°F | 82°F | 1016.9 hPa (+1.0) | 72°F | |
| 42013 - C10 - Navy-2 | 22 mi | 59 min | ENE 5.8 | 78°F | 80°F | 1017.4 hPa | ||
| PMAF1 | 29 mi | 47 min | 80°F | 83°F | 1017 hPa | |||
| MTBF1 | 31 mi | 41 min | ESE 2.9 G 5.1 | 77°F | 1017.4 hPa | 70°F | ||
| 42098 | 34 mi | 29 min | 81°F | 1 ft | ||||
| CLBF1 | 37 mi | 95 min | E 2.9 G 6 | 78°F | 1016.5 hPa | |||
| GCTF1 | 38 mi | 41 min | 78°F | 1017.3 hPa | 70°F | |||
| SAPF1 - 8726520 - St. Petersburg, FL | 38 mi | 47 min | E 5.1 G 7 | 80°F | 82°F | 1017.5 hPa | ||
| OPTF1 - 8726607 - Old Port Tampa, FL | 44 mi | 41 min | E 4.1 G 7 | 80°F | 82°F | 1017.3 hPa | ||
| MCYF1 | 48 mi | 41 min | 83°F | |||||
| TPAF1 - 8726694 - TPA Cruise Terminal 2, Tampa, FL | 49 mi | 41 min | ENE 4.1 G 6 | |||||
| TSHF1 - 8726667 - East Bay Causeway, FL | 49 mi | 41 min | ENE 2.9 G 5.1 |
Wind History for C-Cut, 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| Airport | Dist | Age | Wind kt | Visibility | Sky/Weather | Temp | DewPt | Humidity | Pressure |
| Venice Municipal Airport, FL | 11 mi | 34 min | Var 4 | 10.00 mi | Fair | 84°F | 73°F | 70% | 1017.3 hPa |
| Sarasota / Bradenton, Sarasota-Bradenton International Airport, FL | 13 mi | 36 min | Var 3 | 10.00 mi | Fair | 82°F | 71°F | 69% | 1016.4 hPa |
Wind History from SRQ (wind in knots)
| 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 | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | 7 AM | 8 AM | 9 AM | 10 AM | |
| Last 24hr | SE | W | W | W | W | W | W | W | NW | NW | NW | Calm | NE | SE | E | NE | E | NE | NE | E | E | E | ||
| 1 day ago | E G15 | E G15 | SE G17 | E G15 | NE | NE | NE | NE | E | E | E | E | E | E | E | E | SE | E | E | E | E | SE | SE | |
| 2 days ago | E | E | E G16 | E G17 | NE G19 | E G17 | E G15 | E | E | E | SE | SE | SE | E | E | E | E | E | E | E | E | E | E |
Tide / Current Tables for Venice Inlet (inside), Florida
EDIT Weekend mode (on/off) (on/off) Help One Week of DataVenice Inlet (inside)
Click for Map
Mon -- 03:48 AM EDT 1.20 feet High Tide
Mon -- 05:56 AM EDT 1.17 feet Low Tide
Mon -- 06:39 AM EDT Sunrise
Mon -- 08:08 AM EDT Moonset
Mon -- 12:58 PM EDT 2.37 feet High Tide
Mon -- 08:13 PM EDT Sunset
Mon -- 09:10 PM EDT -0.26 feet Low Tide
Mon -- 10:09 PM EDT Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Mon -- 03:48 AM EDT 1.20 feet High Tide
Mon -- 05:56 AM EDT 1.17 feet Low Tide
Mon -- 06:39 AM EDT Sunrise
Mon -- 08:08 AM EDT Moonset
Mon -- 12:58 PM EDT 2.37 feet High Tide
Mon -- 08:13 PM EDT Sunset
Mon -- 09:10 PM EDT -0.26 feet Low Tide
Mon -- 10:09 PM EDT Moonrise
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 |
| 0.6 | 0.9 | 1.1 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.3 | 1.5 | 1.8 | 2.1 | 2.3 | 2.4 | 2.3 | 2 | 1.6 | 1.1 | 0.6 | 0.2 | -0.1 | -0.3 | -0.2 | 0 |
Tide / Current Tables for Sarasota, Sarasota Bay, Florida
EDIT (on/off) Help One Week of DataSarasota
Click for Map
Mon -- 06:39 AM EDT Sunrise
Mon -- 08:08 AM EDT Moonset
Mon -- 01:26 PM EDT 2.39 feet High Tide
Mon -- 08:14 PM EDT Sunset
Mon -- 09:44 PM EDT -0.27 feet Low Tide
Mon -- 10:10 PM EDT Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Mon -- 06:39 AM EDT Sunrise
Mon -- 08:08 AM EDT Moonset
Mon -- 01:26 PM EDT 2.39 feet High Tide
Mon -- 08:14 PM EDT Sunset
Mon -- 09:44 PM EDT -0.27 feet Low Tide
Mon -- 10:10 PM EDT Moonrise
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 |
| 0.5 | 0.8 | 1 | 1.1 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.4 | 1.6 | 1.9 | 2.2 | 2.4 | 2.4 | 2.1 | 1.8 | 1.3 | 0.8 | 0.4 | 0 | -0.2 | -0.3 | -0.1 |
Weather Map and Satellite Images
(on/off) HelpWeather Map
GOES 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 (10,2,3,4)
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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. |