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Marine Weather and Tides
Version 3.4 |
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 6:35AM | Sunset 8:29PM | Thursday June 22, 2017 10:08 AM EDT (14:08 UTC) | Moonrise 4:15AM | Moonset 6:01PM | Illumination 3% |  |
Marine Forecasts
EDIT (on/off) Help| GMZ853 Coastal Waters From Englewood To Tarpon Springs Fl Out 20 Nm- 342 Am Edt Thu Jun 22 2017 Today..South winds around 15 knots then becoming southwest around 10 knots late in the afternoon. Seas 2 to 4 feet. Bay and inland waters a moderate chop. Tonight..Southwest winds 5 to 10 knots then becoming south around 5 knots late in the evening, then becoming east 5 to 10 knots after midnight then becoming southeast around 15 knots toward morning. Seas 2 to 3 feet. Bay and inland waters a moderate chop. Scattered Thunderstorms in the evening. Isolated Thunderstorms after midnight. Friday..Southeast winds around 15 knots then becoming south 5 to 10 knots in the afternoon. Seas 2 to 3 feet. Bay and inland waters a moderate chop. Friday night..Southwest winds around 5 knots then becoming southeast after midnight. Seas 2 to 3 feet. Bay and inland waters smooth. Saturday..South winds around 10 knots then becoming southwest around 5 knots late in the afternoon. Seas 2 feet. Bay and inland waters a light chop. Isolated Thunderstorms in the morning. Saturday night..West winds around 5 knots then becoming northwest late in the evening, then becoming northeast after midnight. Seas 2 feet. Bay and inland waters smooth. Isolated Thunderstorms. Sunday..Southeast winds around 10 knots then becoming southwest around 5 knots late in the afternoon. Seas 2 feet or less. Bay and inland waters a light chop. Scattered Thunderstorms. Sunday night..North winds around 5 knots then becoming northeast after midnight. Seas 2 feet or less. Bay and inland waters smooth. Scattered Thunderstorms. Monday..Southeast winds around 5 knots then becoming southwest late in the afternoon. Seas 2 feet or less. Bay and inland waters smooth. Scattered Thunderstorms. | GMZ800 Synopsis For The Coastal Waters From Bonita Beach To Suwannee River- 342 Am Edt Thu Jun 22 2017 Synopsis..High pressure will continue to build into the florida peninsula through the day today as tropical storm cindy gradually moves away from the region. A period of cautionary winds and seas will continue for the offshore waters through this morning with improving conditions this afternoon. From tomorrow well into next week, high pressure looks to remain poised over the region, with light south to southeast winds shifting onshore near the coast each afternoon due to the seabreeze. During this timeframe, the only marine concern will be locally gusty winds and rough seas due to scattered marine Thunderstorms during the late afternoon and evening hours. |
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 221215 afdtbw area forecast discussion national weather service tampa bay ruskin fl 815 am edt Thu jun 22 2017 Aviation Some MVFR visibilities with ifr lifr ceilings at the terminals this morning with low clouds and patchy ground fog in place. This will lift and dissipate by 14z, withVFR conditions then prevailing through much of the rest of the period. Only exception may be with scattered afternoon thunderstorms in the 19z-02z window causing some brief MVFR to ifr conditions. Light winds overnight. Prev discussion issued 342 am edt Thu jun 22 2017 short term (today and Friday)... tropical storm cindy continues to approach the northwest gulf coast, where it will make landfall early this morning near the louisiana texas border region. Impacts from cindy continue to be felt well to the east of the center of the storm, with spiral bands of thunderstorms extending across much of the gulf coast and well inland across the southeastern u.S. This activity will generally continue today as the system lifts northward toward the the lower mississippi vally region. As cindy departs, surface high pressure will gradually build in over the florida peninsula, establishing a southeasterly flow pattern. For today, expect similar conditions to yesterday. Much of the morning and early afternoon will feature partly cloudy skies with warm and muggy conditions. By mid to late afternoon, surface heating combined with weak convergence along the seabreeze will allow for scattered storms to develop. The east coast seabreeze will gradually migrate westward, with a seabreeze collision somewhere near the i-75 corridor late afternoon. This should lead to fairly widespread convective coverage, as has been alluded to in recent runs of the 3km NAM and hrrr. Storms may linger into the evening hours for points north of tampa bay, eventually migrating offshore tonight. Gusty winds and frequent lightning will be the main hazards with any storms. On Friday, despite a surface pattern normally favorable for afternoon storms, a ribbon of dry mid level air will move over the florida peninsula. This will bring modest subsidence to the region, suppressing afternoon thunderstorm development. Without much in the way of rain and thunderstorm induced outflows, temperatures will likely be a tick or two warmer than they have of late, and expect most areas to reach the lower 90s. Isolated activity may develop across mainly south florida, but this appears to be a relatively low probability at this juncture. Mid long term (Friday night - Thursday)... a fairly typical summertime forecast can be expected for much of the extended forecast period. To start the weekend, surface ridge axis will shift slightly allowing for a sse se wind flow to become established for the weekend. Some lingering dry mid level air will help to suppress rain chances a bit compared to what we might expect climatologically from this flow regime. That being said, |
this will be short lived as rain chances will begin to increase Sunday and especially into early next week as an upper level trough begins to encroach on the northern part of the state. This will support fairly high pops (50-70 percent) for the first half of next week. Temperatures throughout the period will be seasonal with highs within a few degrees of 90 for the weekend with upper 80s more likely Tuesday - Thursday with higher cloud cover rain chances; overnight lows generally in the middle 70s daily, maybe some lower 70s across the nature coast late in the forecast period. Aviation (06z tafs)... light east to southeast winds to persist with prevailing vfr conditions most terminals. Klal will see brief MVFR ceilings on and off through sunrise... With lesser chances of brief lowered ceilings elsewhere. Winds will become more southerly late morning into the afternoon with isolated to scattered thunderstorms developing along the seabreeze. This activity may affect any terminal and will maintain vcts from 19z on. Most activity will shift north of terminals by 00z with a return toVFR conditions thereafter. Marine... tropical storm cindy continues to shift westward, nearing the louisiana coast early this morning. Breezy southeast winds and increased seas will continue to support cautionary conditions offshore this morning. As the storm continues west, high pressure will build in over the eastern gulf. This will allow winds and seas to improve by midday. Over the next several days, high pressure will extend over the waters with light south to southeast flow each day. The seabreeze will shift winds onshore each afternoon with scattered marine thunderstorms possible each day in the late afternoon and evening hours. These could result in locally rougher seas, frequent lightning, and gusty winds. Fire weather... over the next several days, high pressure will extend from the western atlantic ocean into northern and central florida. This will maintain low level east to southeasterly flow and abundant low level moisture. This combined with near daily opportunities for rain will prevent and fire weather concerns through next week. Preliminary point temps pops Tpa 91 76 90 78 50 50 0 10 fmy 91 75 92 76 20 10 20 20 gif 92 74 92 75 40 30 10 10 srq 89 76 89 77 30 30 0 10 bkv 92 73 92 74 60 60 0 10 spg 89 77 91 78 30 50 0 10 Tbw watches warnings advisories Fl... None. Gulf waters... None. Short term aviation marine fire weather... 24 hubbard mid term long term decision support... 13 oglesby |
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 | 69 min | SE 13 G 14 | 82°F | 85°F | 1017.8 hPa (+1.2) | 77°F | |
| 42013 - C10 - Navy-2 | 22 mi | 99 min | SE 14 G 18 | 83°F | ||||
| PMAF1 | 29 mi | 51 min | 83°F | 83°F | 1017.4 hPa | |||
| MTBF1 | 31 mi | 51 min | SSE 9.9 G 13 | 82°F | 1018.2 hPa | |||
| CLBF1 | 37 mi | 75 min | SE 6 G 11 | 82°F | 1017.1 hPa | |||
| SAPF1 - 8726520 - St. Petersburg, FL | 38 mi | 51 min | SSE 5.1 G 7 | 83°F | 83°F | |||
| OPTF1 - 8726607 - Old Port Tampa, FL | 44 mi | 51 min | SSE 7 G 11 | 82°F | 83°F | 1018.3 hPa | ||
| MCYF1 | 48 mi | 51 min | 84°F | |||||
| TSHF1 - 8726667 - East Bay Causeway, FL | 49 mi | 51 min | SSE 5.1 G 11 | |||||
| TPAF1 - 8726694 - TPA Cruise Terminal 2, Tampa, FL | 49 mi | 57 min | SE 13 G 17 |
Wind History for C-Cut, FL
(wind in knots) EDIT (on/off) Help| Last 24hr | ||||||||||||||||||||||||
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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 | 74 min | SE 9 | 10.00 mi | A Few Clouds | 82°F | 78°F | 89% | 1017.9 hPa |
| Sarasota / Bradenton, Sarasota-Bradenton International Airport, FL | 13 mi | 76 min | SE 10 | 10.00 mi | Fair | 82°F | 75°F | 79% | 1017.2 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 G21 | SE | SE G22 | S G20 | S | S | S | S | S | S | SE | SE | E | SE | E | E | SE | SE | SE | SE | SE | SE | SE | SE |
| 1 day ago | SE | SE | SE | SE G19 | SE | SE | SW | E | Calm | NE | E | E | E | E | E | E | E | SE | SE | SE | SE | SE | SE G19 | SE |
| 2 days ago | E | SE | SE | SE | SE | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | SE G19 | SE G24 | SE |
Tide / Current Tables for Venice Inlet (inside), Florida
EDIT RT Ports Option Weekend mode (on/off) (on/off) Help One Week of Data| Venice Inlet (inside) Click for Map Thu -- 12:59 AM EDT 1.34 feet High Tide Thu -- 04:11 AM EDT 1.24 feet Low Tide Thu -- 05:15 AM EDT Moonrise Thu -- 06:36 AM EDT Sunrise Thu -- 10:48 AM EDT 2.53 feet High Tide Thu -- 06:54 PM EDT -0.20 feet Low Tide Thu -- 07:00 PM EDT Moonset Thu -- 08:27 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 |
| 1.3 | 1.3 | 1.3 | 1.3 | 1.2 | 1.3 | 1.4 | 1.6 | 1.9 | 2.2 | 2.5 | 2.5 | 2.4 | 2.1 | 1.6 | 1.1 | 0.6 | 0.2 | -0.1 | -0.2 | -0.1 | 0.2 | 0.6 | 0.9 |
Tide / Current Tables for Sarasota, Sarasota Bay, Florida
EDIT (on/off) Help One Week of Data| Sarasota Click for Map Thu -- 12:44 AM EDT 1.38 feet High Tide Thu -- 05:14 AM EDT 1.06 feet Low Tide Thu -- 05:15 AM EDT Moonrise Thu -- 06:36 AM EDT Sunrise Thu -- 10:57 AM EDT 2.47 feet High Tide Thu -- 07:00 PM EDT Moonset Thu -- 07:28 PM EDT -0.33 feet Low Tide Thu -- 08:28 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 |
| 1.3 | 1.4 | 1.3 | 1.2 | 1.1 | 1.1 | 1.1 | 1.3 | 1.7 | 2.1 | 2.4 | 2.5 | 2.4 | 2.1 | 1.7 | 1.2 | 0.7 | 0.2 | -0.1 | -0.3 | -0.3 | -0 | 0.4 | 0.8 |
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 (10,2,3,4)
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Ground Weather Radar Station Tampa Bay Area, FL
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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. |