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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 7:31AM | Sunset 7:43PM | Thursday March 21, 2019 5:40 PM EDT (21:40 UTC) | Moonrise 7:38PM | Moonset 7:11AM | Illumination 99% |  |
GMZ853 Coastal Waters From Englewood To Tarpon Springs Fl Out 20 Nm- 252 Pm Edt Thu Mar 21 2019
.small craft exercise caution tonight...
Tonight..Northwest winds 15 to 20 knots then becoming north 10 to 15 knots toward morning. Seas 2 to 4 feet. Bay and inland waters choppy.
Friday..Northwest winds around 15 knots. Seas 2 to 4 feet. Bay and inland waters a moderate chop.
Friday night..North winds around 10 knots. Seas 2 to 3 feet. Bay and inland waters a light chop.
Saturday..Northeast winds around 10 knots diminishing to around 5 knots early in the afternoon, then becoming northwest around 10 knots late in the afternoon. Seas 2 feet. Bay and inland waters a light chop.
Saturday night..North winds 5 to 10 knots then becoming northeast late in the evening, then becoming east after midnight increasing to around 15 knots toward morning. Seas 2 feet. Bay and inland waters a moderate chop.
Sunday..Southeast winds around 10 knots then becoming northwest around 5 knots late in the afternoon. Seas 2 feet. Bay and inland waters a light chop.
Sunday night..Northwest winds around 5 knots then becoming east toward morning. Seas 2 feet or less. Bay and inland waters smooth.
Monday..Southeast winds around 5 knots then becoming west late in the afternoon. Seas 2 feet or less. Bay and inland waters smooth.
Monday night..Northwest winds around 5 knots. Seas 2 feet or less. Bay and inland waters smooth.
Tuesday..Northwest winds 5 to 10 knots increasing to around 15 knots late in the afternoon. Seas 2 feet. Bay and inland waters a moderate chop.
.small craft exercise caution tonight...
Tonight..Northwest winds 15 to 20 knots then becoming north 10 to 15 knots toward morning. Seas 2 to 4 feet. Bay and inland waters choppy.
Friday..Northwest winds around 15 knots. Seas 2 to 4 feet. Bay and inland waters a moderate chop.
Friday night..North winds around 10 knots. Seas 2 to 3 feet. Bay and inland waters a light chop.
Saturday..Northeast winds around 10 knots diminishing to around 5 knots early in the afternoon, then becoming northwest around 10 knots late in the afternoon. Seas 2 feet. Bay and inland waters a light chop.
Saturday night..North winds 5 to 10 knots then becoming northeast late in the evening, then becoming east after midnight increasing to around 15 knots toward morning. Seas 2 feet. Bay and inland waters a moderate chop.
Sunday..Southeast winds around 10 knots then becoming northwest around 5 knots late in the afternoon. Seas 2 feet. Bay and inland waters a light chop.
Sunday night..Northwest winds around 5 knots then becoming east toward morning. Seas 2 feet or less. Bay and inland waters smooth.
Monday..Southeast winds around 5 knots then becoming west late in the afternoon. Seas 2 feet or less. Bay and inland waters smooth.
Monday night..Northwest winds around 5 knots. Seas 2 feet or less. Bay and inland waters smooth.
Tuesday..Northwest winds 5 to 10 knots increasing to around 15 knots late in the afternoon. Seas 2 feet. Bay and inland waters a moderate chop.
GMZ800 Synopsis For The Coastal Waters From Bonita Beach To Suwannee River- 252 Pm Edt Thu Mar 21 2019
Synopsis..High pressure builds into the western gulf of mexico tonight with a tightening gradient across the waters providing some robust winds tonight and early Friday. This high pressure begin to move east Friday and reaches atlantic waters Monday...with winds diminishing as they veer.
Synopsis..High pressure builds into the western gulf of mexico tonight with a tightening gradient across the waters providing some robust winds tonight and early Friday. This high pressure begin to move east Friday and reaches atlantic waters Monday...with winds diminishing as they veer.
7 Day Forecast for Marine Location Near Bradenton Beach city, FL
Hourly EDIT Helplocation: 27.47, -82.69 debug
Area Discussion for - Tampa Bay, FL
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus62 ktbw 211812 afdtbw area forecast discussion national weather service tampa bay ruskin fl 212 pm edt Thu mar 21 2019 Discussion An upper level long wave trough... With a couple of short wave troughs lows rotating through... Across the eastern u.S. Through tonight pivots offshore Fri as an upper level ridge from the western gulf of mexico to the canadian prairies shifts east - stretching along the mississippi valley by late fri. Surface high pressure located in the central plains and mid-mississippi valley sprawls down into the gulf of mexico and is reinforced from canada fri. The week comes to an end with a dry and cool northwesterly low level flow. Skies mostly clear to clear with no rainfall or fog expected. Temperatures run on the cool side of normal. For Sat through next thu: during the weekend deep layer ridging slides across the area then exits to the atlantic mon. A long wave trough with an associated cold front swings into the gulf Mon and crosses fl tue. Deep ridging builds back in from the west for wed- thu. Dry conditions prevail for the most part although the front will bring some showers. Temperatures slowly warm to near normal but dip as high pressure moves in behind the front. Aviation 21 18z TAF cycle.VFR. Ocnl few CU sc. Northwesterly winds... Robust at times |
Marine Winds increase late this afternoon and tonight... Reaching caution speeds across some of the marine zones. A high pressure center tracks by north of the waters fri-mon with winds diminishing and veering. Fire weather Drier air works in through sat... Perhaps at or below 35 percent. While some erc values are high the winds remain below the threshold for red flag warning for the most part. The exception is this afternoon in hernando county where winds increased to 15 knots... a warning will be in place through this evening. For Sun and later veering winds will provide enough moisture... Aided by a front tue... To preclude any low rh concerns. Preliminary point temps pops Tpa 55 73 53 76 0 0 0 0 fmy 53 76 52 79 0 0 0 0 gif 52 76 50 79 0 0 0 0 srq 54 71 50 76 0 0 0 0 bkv 45 73 42 78 0 0 0 0 spg 59 72 59 75 0 0 0 0 Tbw watches warnings advisories Fl... Red flag warning until 7 pm edt this evening for coastal hernando-inland hernando. Gulf waters... None. 09 rkr |
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 |
| PMAF1 | 13 mi | 46 min | 66°F | 71°F | 1015.4 hPa | |||
| MTBF1 | 14 mi | 46 min | NW 14 G 19 | 66°F | 1015.7 hPa | 49°F | ||
| 42098 | 15 mi | 40 min | 69°F | 3 ft | ||||
| CLBF1 | 18 mi | 106 min | WNW 7 G 15 | 71°F | 1015 hPa | |||
| SAPF1 - 8726520 - St. Petersburg, FL | 20 mi | 46 min | WNW 9.9 G 19 | 69°F | 71°F | 1015.6 hPa | ||
| GCTF1 | 23 mi | 46 min | 68°F | 1015.2 hPa | 45°F | |||
| 42013 - C10 - Navy-2 | 24 mi | 70 min | NW 14 G 18 | 66°F | 70°F | 1016.3 hPa | ||
| OPTF1 - 8726607 - Old Port Tampa, FL | 28 mi | 46 min | NW 15 G 17 | 67°F | 70°F | 1015.4 hPa | ||
| VENF1 - Venice, FL | 30 mi | 40 min | NW 17 G 20 | 67°F | 71°F | 1015.5 hPa (-1.4) | 49°F | |
| MCYF1 | 34 mi | 46 min | 73°F | |||||
| TPAF1 - 8726694 - TPA Cruise Terminal 2, Tampa, FL | 35 mi | 100 min | W 7 G 13 | |||||
| TSHF1 - 8726667 - East Bay Causeway, FL | 35 mi | 46 min | W 8 G 16 | |||||
| CWBF1 - 8726724 - Clearwater Beach, FL | 36 mi | 46 min | W 13 G 16 | 66°F | 69°F | 1015.7 hPa | ||
| FHPF1 - Fred Howard Park, FL | 48 mi | 106 min | WNW 9.9 G 14 | 67°F | 1016.5 hPa |
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 |
| Sarasota / Bradenton, Sarasota-Bradenton International Airport, FL | 9 mi | 47 min | NW 14 G 25 | 10.00 mi | Fair | 71°F | 44°F | 38% | 1014.9 hPa |
| Albert Whitted Airport, FL | 21 mi | 47 min | W 9 G 18 | 10.00 mi | Fair | 70°F | 46°F | 42% | 1014.7 hPa |
Wind History from SRQ (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 | E | NE | NE | NE | N | N | N | N | N | Calm | Calm | N | N | Calm | N | N | N | NW | NW | NW | NW | NW | NW | NW G25 |
| 1 day ago | NE | NE | NE | NE | N | NE | NE G16 | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | Calm | N | NE | NE | N | NE |
| 2 days ago | E | E | E | E | E | NE | NE | NE | NE | NE G19 | NE | NE | NE | NE | NE | NE | NE | E | NE | NE | NE | NE | NE | NE |
Tide / Current Tables for Cortez, Sarasota Bay, Florida
EDIT RT Ports Option Weekend mode (on/off) (on/off) Help One Week of DataCortez
Click for Map
Thu -- 12:45 AM EDT 1.97 feet High Tide
Thu -- 07:33 AM EDT Sunrise
Thu -- 07:56 AM EDT -0.08 feet Low Tide
Thu -- 08:10 AM EDT Moonset
Thu -- 01:27 PM EDT 1.66 feet High Tide
Thu -- 07:42 PM EDT Sunset
Thu -- 08:05 PM EDT 0.12 feet Low Tide
Thu -- 08:37 PM EDT Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Thu -- 12:45 AM EDT 1.97 feet High Tide
Thu -- 07:33 AM EDT Sunrise
Thu -- 07:56 AM EDT -0.08 feet Low Tide
Thu -- 08:10 AM EDT Moonset
Thu -- 01:27 PM EDT 1.66 feet High Tide
Thu -- 07:42 PM EDT Sunset
Thu -- 08:05 PM EDT 0.12 feet Low Tide
Thu -- 08:37 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 |
| 1.9 | 2 | 1.8 | 1.6 | 1.2 | 0.7 | 0.3 | 0 | -0.1 | 0.1 | 0.5 | 1 | 1.4 | 1.6 | 1.6 | 1.5 | 1.2 | 0.8 | 0.5 | 0.2 | 0.1 | 0.2 | 0.6 | 1 |
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
Thu -- 12:22 AM EDT 1.76 knots Max Flood
Thu -- 03:16 AM EDT -0.00 knots Slack
Thu -- 06:25 AM EDT -1.80 knots Max Ebb
Thu -- 07:34 AM EDT Sunrise
Thu -- 08:11 AM EDT Moonset
Thu -- 09:46 AM EDT 0.00 knots Slack
Thu -- 12:50 PM EDT 1.81 knots Max Flood
Thu -- 03:49 PM EDT -0.00 knots Slack
Thu -- 06:44 PM EDT -1.54 knots Max Ebb
Thu -- 07:42 PM EDT Sunset
Thu -- 08:37 PM EDT Moonrise
Thu -- 09:57 PM EDT 0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Thu -- 12:22 AM EDT 1.76 knots Max Flood
Thu -- 03:16 AM EDT -0.00 knots Slack
Thu -- 06:25 AM EDT -1.80 knots Max Ebb
Thu -- 07:34 AM EDT Sunrise
Thu -- 08:11 AM EDT Moonset
Thu -- 09:46 AM EDT 0.00 knots Slack
Thu -- 12:50 PM EDT 1.81 knots Max Flood
Thu -- 03:49 PM EDT -0.00 knots Slack
Thu -- 06:44 PM EDT -1.54 knots Max Ebb
Thu -- 07:42 PM EDT Sunset
Thu -- 08:37 PM EDT Moonrise
Thu -- 09:57 PM EDT 0.00 knots Slack
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 |
| 1.7 | 1.7 | 1.1 | 0.3 | -0.7 | -1.4 | -1.8 | -1.7 | -1.3 | -0.7 | 0.2 | 1 | 1.6 | 1.8 | 1.5 | 0.7 | -0.2 | -1 | -1.4 | -1.5 | -1.3 | -0.7 | 0 | 0.8 |
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 (17,4,5,8)
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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. |