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Marine Weather and Tides
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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 6:47AM | Sunset 8:27PM | Monday July 22, 2019 6:20 PM EDT (22:20 UTC) | Moonrise 11:13PM | Moonset 10:40AM | Illumination 67% |  |
GMZ830 Tampa Bay Waters- 341 Pm Edt Mon Jul 22 2019
Tonight..Southeast winds around 5 knots. Bay and inland waters smooth. Isolated Thunderstorms in the evening.
Tuesday..South winds around 10 knots then becoming southwest in the afternoon. Bay and inland waters a light chop. Isolated Thunderstorms early in the morning, then scattered Thunderstorms in the late morning and afternoon.
Tuesday night..Southwest winds around 10 knots. Bay and inland waters a light chop. Isolated Thunderstorms in the evening, then scattered Thunderstorms after midnight.
Wednesday..Southwest winds 5 to 10 knots increasing to around 15 knots in the afternoon. Bay and inland waters a moderate chop. Numerous showers and scattered Thunderstorms.
Wednesday night..Southwest winds around 10 knots. Bay and inland waters a light chop. Widespread showers in the evening. Scattered Thunderstorms. Numerous showers after midnight.
Thursday..Southwest winds 5 to 10 knots then becoming west around 15 knots in the afternoon. Bay and inland waters a moderate chop. Widespread showers in the morning. Scattered Thunderstorms. Numerous showers in the afternoon.
Thursday night..Southwest winds around 10 knots diminishing to around 5 knots after midnight. Bay and inland waters a light chop. Scattered Thunderstorms.
Friday..Southwest winds around 5 knots then becoming northwest around 10 knots in the afternoon. Bay and inland waters a light chop. Scattered Thunderstorms.
Friday night..Northeast winds around 5 knots then becoming east after midnight. Bay and inland waters smooth. Isolated Thunderstorms.
Saturday..East winds around 5 knots then becoming northeast around 10 knots in the afternoon. Bay and inland waters a light chop. Scattered Thunderstorms. Numerous showers in the afternoon.
Tonight..Southeast winds around 5 knots. Bay and inland waters smooth. Isolated Thunderstorms in the evening.
Tuesday..South winds around 10 knots then becoming southwest in the afternoon. Bay and inland waters a light chop. Isolated Thunderstorms early in the morning, then scattered Thunderstorms in the late morning and afternoon.
Tuesday night..Southwest winds around 10 knots. Bay and inland waters a light chop. Isolated Thunderstorms in the evening, then scattered Thunderstorms after midnight.
Wednesday..Southwest winds 5 to 10 knots increasing to around 15 knots in the afternoon. Bay and inland waters a moderate chop. Numerous showers and scattered Thunderstorms.
Wednesday night..Southwest winds around 10 knots. Bay and inland waters a light chop. Widespread showers in the evening. Scattered Thunderstorms. Numerous showers after midnight.
Thursday..Southwest winds 5 to 10 knots then becoming west around 15 knots in the afternoon. Bay and inland waters a moderate chop. Widespread showers in the morning. Scattered Thunderstorms. Numerous showers in the afternoon.
Thursday night..Southwest winds around 10 knots diminishing to around 5 knots after midnight. Bay and inland waters a light chop. Scattered Thunderstorms.
Friday..Southwest winds around 5 knots then becoming northwest around 10 knots in the afternoon. Bay and inland waters a light chop. Scattered Thunderstorms.
Friday night..Northeast winds around 5 knots then becoming east after midnight. Bay and inland waters smooth. Isolated Thunderstorms.
Saturday..East winds around 5 knots then becoming northeast around 10 knots in the afternoon. Bay and inland waters a light chop. Scattered Thunderstorms. Numerous showers in the afternoon.
GMZ800 Synopsis For The Coastal Waters From Bonita Beach To Suwannee River- 341 Pm Edt Mon Jul 22 2019
Synopsis..High pressure will be displaced to our south and east tonight and Tuesday resulting in a prolonged period of west to southwest winds. A weak cold front will reach the northern gulf Tuesday night or Wednesday, bringing enhanced westerly winds and numerous showers and storms offshore the nature coast. Winds and rain will gradually subside Thursday with a return to easterly flow by the weeks end.
Synopsis..High pressure will be displaced to our south and east tonight and Tuesday resulting in a prolonged period of west to southwest winds. A weak cold front will reach the northern gulf Tuesday night or Wednesday, bringing enhanced westerly winds and numerous showers and storms offshore the nature coast. Winds and rain will gradually subside Thursday with a return to easterly flow by the weeks end.
7 Day Forecast for Marine Location Near St. Petersburg, FL
Hourly EDIT Helplocation: 27.77, -82.62 debug
Area Discussion for - Tampa Bay, FL
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus62 ktbw 221900 afdtbw area forecast discussion national weather service tampa bay ruskin fl 300 pm edt Mon jul 22 2019 Discussion (tonight - Monday) Showers and thunderstorms beginning to develop now as temperatures climb into the lower 90s. Earlier activity near sarasota bradenton has sent an outflow boundary northeastward through manatee and part of hillsborough county. This should become a focus for additional activity soon. Motion will be slowly northwestward, except where outflow boundaries intervene. The overall pattern will change significantly over the next few days. A deepening eastern u.S. Upper-level trough will help to push a weak frontal boundary all the way to the northern gulf coast by late Tuesday and Tuesday night. The low-level ridge that has resided north of the region will be displaced to our south and east tonight and Tuesday. This will result in west southwesterly flow for Tuesday, pushing higher rain chances well inland during the afternoon. As the frontal boundary settles into the deep south on Wednesday, enhanced westerly flow will develop with deep tropical moisture in place between the boundary and the departing ridge. We will likely see a large area of showers and storms over the gulf Tuesday night moving onshore during the morning hours on Wednesday. The best chances for rain will be from the tampa bay area north. This pattern persists into Thursday, then the upper- level trough begins to weaken and lift northeast. By Friday, a large area of high pressure over the mid-atlantic states will bridge the decaying frontal boundary and bring a return to easterly flow. The Saturday to Monday time-frame looks like more typical summer-time weather with most storms occurring during the afternoon and evening hours. |
Aviation Early storms near srq have dissipated sending an outflow boundary toward the northeast. This may help focus storm activity east of the tpa, pie, and srq terminals through the day. Expect late afternoon activity around lal, fmy, and rsw. Marine High pressure will be displaced to our south and east tonight and Tuesday resulting in a prolonged period of west to southwest winds. A weak cold front will reach the northern gulf Tuesday night or Wednesday, bringing enhanced westerly winds and numerous showers and storms offshore the nature coast. Winds and rain will gradually subside Thursday with a return to easterly flow by the weeks end. Fire weather No fire weather concerns. Locally heavy rainfall is possible Wednesday and Thursday, especially near and north of the tampa bay area. Preliminary point temps pops Tpa 77 88 78 87 20 40 50 70 fmy 75 90 77 90 20 40 20 50 gif 75 91 75 89 40 60 20 70 srq 75 89 78 89 20 40 40 60 bkv 72 89 75 87 20 50 50 70 spg 78 87 79 86 10 30 50 70 Tbw watches warnings advisories Fl... None. Gulf waters... None. Discussion aviation marine fire weather... Jillson decision support... Hurt |
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 |
| SAPF1 - 8726520 - St. Petersburg, FL | 1 mi | 51 min | WSW 8.9 G 12 | 86°F | 87°F | 1015.4 hPa | ||
| CLBF1 | 4 mi | 87 min | WSW 8 G 8.9 | 85°F | 1014.3 hPa | |||
| GCTF1 | 5 mi | 51 min | 86°F | 1015 hPa | 72°F | |||
| OPTF1 - 8726607 - Old Port Tampa, FL | 7 mi | 51 min | NW 11 G 12 | 83°F | 89°F | 1015.3 hPa | ||
| MTBF1 | 8 mi | 51 min | W 8 G 9.9 | 83°F | 1015.3 hPa | 74°F | ||
| PMAF1 | 10 mi | 51 min | 84°F | 89°F | 1014.9 hPa | |||
| MCYF1 | 14 mi | 51 min | 91°F | |||||
| TPAF1 - 8726694 - TPA Cruise Terminal 2, Tampa, FL | 15 mi | 51 min | NNE 9.9 G 13 | |||||
| TSHF1 - 8726667 - East Bay Causeway, FL | 15 mi | 51 min | W 11 G 19 | |||||
| CWBF1 - 8726724 - Clearwater Beach, FL | 18 mi | 51 min | W 4.1 G 7 | 86°F | 88°F | 1015.4 hPa | ||
| 42098 | 21 mi | 21 min | 87°F | 2 ft | ||||
| FHPF1 - Fred Howard Park, FL | 28 mi | 87 min | W 8 G 9.9 | 85°F | 1015.7 hPa | |||
| 42013 - C10 - Navy-2 | 44 mi | 51 min | WSW 5.8 G 7.8 | 83°F | 87°F | 1015.3 hPa | ||
| ARPF1 - APK - Aripeka, FL | 46 mi | 87 min | WNW 7 G 8.9 | 95°F | 1015.4 hPa | |||
| VENF1 - Venice, FL | 49 mi | 81 min | WSW 8 G 8.9 | 84°F | 86°F | 1014.8 hPa (-1.9) | 75°F |
Wind History for St. Petersburg, FL
(wind in knots) EDIT (on/off) Help| 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 | NE G8 | E G9 | E G10 | SE G7 | SE G9 | S | S G8 | SE G7 | SE | SE | E | E | SE G7 | SE G6 | E | SE G8 | SE G7 | SE G7 | S | SE | S | SW G14 | W G13 | SW G13 |
| 1 day ago | E G15 | NW | N | NE | NE | E G7 | E | NE | E G9 | E | E G9 | E G7 | E G5 | E | SE G6 | E | E | SE | E | S | S | NW G11 | W G12 | SE G18 |
| 2 days ago | W G11 | N G8 | SE G19 | NE G15 | N G8 | NE | NE | N G6 | E | NE | E G8 | E G7 | SE G9 | E G7 | E G9 | SE G8 | SE G6 | SE | S | S | S | E | E | S |
Airport Reports
EDIT (on/off) Help Click EDIT to display multiple airports| Airport | Dist | Age | Wind kt | Visibility | Sky/Weather | Temp | DewPt | Humidity | Pressure |
| Albert Whitted Airport, FL | 1 mi | 28 min | W 8 | 10.00 mi | A Few Clouds | 87°F | 72°F | 61% | 1014 hPa |
| Macdill Air Force Base, Fl., FL | 8 mi | 25 min | N 8 | 10.00 mi | Fair | 86°F | 71°F | 62% | 1014.8 hPa |
| St. Petersburg/Clearwater Airport, FL | 10 mi | 28 min | WNW 7 | 10.00 mi | Partly Cloudy | 84°F | 73°F | 70% | 1014.7 hPa |
| Tampa, Peter O Knight Airport, FL | 14 mi | 26 min | N 0 | 1.00 mi | Heavy Rain | 79°F | 71°F | 79% | 1015.2 hPa |
| Tampa, Tampa International Airport, FL | 15 mi | 28 min | WNW 5 | 10.00 mi | Mostly Cloudy | 87°F | 72°F | 61% | 1014.9 hPa |
| Tampa, Vandenberg Airport, FL | 22 mi | 26 min | N 0 | 10.00 mi | Mostly Cloudy | 79°F | 75°F | 89% | 1014.9 hPa |
Wind History from SPG (wind in knots)
| 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 | 6 PM | |
| Last 24hr | E | E | SE | S | S | S | SE | SE | SE | E | E | E | SE | E | SE | SE | SE | SE | SE | Calm | SW | W | SW G17 | W |
| 1 day ago | SW | N | NE | NE | E | E | N | E | E | E | E | SE | E | SE | E | E | SE | SE | SW | SE | NW G17 | W | SE G29 | NE |
| 2 days ago | NW | S | E | NE | NE | E | Calm | E | NE | E | E | SE | E | E | SE | SE | SE | SE | SE | SE | E | E | SE | S |
Tide / Current Tables for St. Petersburg, Tampa Bay, Florida
EDIT Weekend mode (on/off) (on/off) Help One Week of DataTide / Current data from XTide NOT FOR NAVIGATION
Tide / Current Tables for Old Tampa Bay Entrance (Port Tampa), Florida Current
EDIT (on/off) Help One Week of DataOld Tampa Bay Entrance (Port Tampa)
Click for Map
Mon -- 01:59 AM EDT 0.00 knots Slack
Mon -- 04:48 AM EDT 0.92 knots Max Flood
Mon -- 06:47 AM EDT Sunrise
Mon -- 08:18 AM EDT -0.00 knots Slack
Mon -- 10:59 AM EDT -0.66 knots Max Ebb
Mon -- 11:40 AM EDT Moonset
Mon -- 01:48 PM EDT 0.00 knots Slack
Mon -- 04:36 PM EDT 0.83 knots Max Flood
Mon -- 07:24 PM EDT -0.00 knots Slack
Mon -- 08:25 PM EDT Sunset
Mon -- 10:52 PM EDT -1.08 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Mon -- 01:59 AM EDT 0.00 knots Slack
Mon -- 04:48 AM EDT 0.92 knots Max Flood
Mon -- 06:47 AM EDT Sunrise
Mon -- 08:18 AM EDT -0.00 knots Slack
Mon -- 10:59 AM EDT -0.66 knots Max Ebb
Mon -- 11:40 AM EDT Moonset
Mon -- 01:48 PM EDT 0.00 knots Slack
Mon -- 04:36 PM EDT 0.83 knots Max Flood
Mon -- 07:24 PM EDT -0.00 knots Slack
Mon -- 08:25 PM EDT Sunset
Mon -- 10:52 PM EDT -1.08 knots Max Ebb
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 |
| -0.9 | -0.5 | 0 | 0.5 | 0.8 | 0.9 | 0.8 | 0.5 | 0.1 | -0.3 | -0.6 | -0.7 | -0.6 | -0.3 | 0.1 | 0.5 | 0.8 | 0.8 | 0.6 | 0.2 | -0.3 | -0.7 | -1 | -1.1 |
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 (18,4,5,8)
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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. |