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Marine Weather and Tides
Version 3.4 |
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 6:46AM | Sunset 8:28PM | Saturday July 20, 2019 6:01 PM EDT (22:01 UTC) | Moonrise 10:10PM | Moonset 8:58AM | Illumination 85% |  |
GMZ830 Tampa Bay Waters- 246 Pm Edt Sat Jul 20 2019
Tonight..Southeast winds around 10 knots. Bay and inland waters a light chop. Scattered Thunderstorms early in the evening, then isolated Thunderstorms late in the evening.
Sunday..Southeast winds around 10 knots then becoming southwest in the afternoon. Bay and inland waters a light chop. Isolated Thunderstorms early in the afternoon. Scattered Thunderstorms late in the afternoon.
Sunday night..Southeast winds around 5 knots. Bay and inland waters smooth. Scattered Thunderstorms in the evening, then isolated Thunderstorms after midnight.
Monday..Southeast winds around 5 knots then becoming west around 10 knots late in the afternoon. Bay and inland waters a light chop. Scattered Thunderstorms.
Monday night..West winds around 5 knots then becoming east late in the evening, then then becoming southeast after midnight. Bay and inland waters smooth. Isolated Thunderstorms.
Tuesday..Southeast winds around 5 knots then becoming west around 10 knots in the afternoon. Bay and inland waters a light chop. Scattered Thunderstorms.
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..West winds around 10 knots. Bay and inland waters a light chop. Scattered Thunderstorms. Numerous showers in the afternoon.
Wednesday night..Southwest winds around 10 knots. Bay and inland waters a light chop. Scattered Thunderstorms.
Thursday..Southwest winds around 10 knots. Bay and inland waters a light chop. Scattered Thunderstorms.
Tonight..Southeast winds around 10 knots. Bay and inland waters a light chop. Scattered Thunderstorms early in the evening, then isolated Thunderstorms late in the evening.
Sunday..Southeast winds around 10 knots then becoming southwest in the afternoon. Bay and inland waters a light chop. Isolated Thunderstorms early in the afternoon. Scattered Thunderstorms late in the afternoon.
Sunday night..Southeast winds around 5 knots. Bay and inland waters smooth. Scattered Thunderstorms in the evening, then isolated Thunderstorms after midnight.
Monday..Southeast winds around 5 knots then becoming west around 10 knots late in the afternoon. Bay and inland waters a light chop. Scattered Thunderstorms.
Monday night..West winds around 5 knots then becoming east late in the evening, then then becoming southeast after midnight. Bay and inland waters smooth. Isolated Thunderstorms.
Tuesday..Southeast winds around 5 knots then becoming west around 10 knots in the afternoon. Bay and inland waters a light chop. Scattered Thunderstorms.
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..West winds around 10 knots. Bay and inland waters a light chop. Scattered Thunderstorms. Numerous showers in the afternoon.
Wednesday night..Southwest winds around 10 knots. Bay and inland waters a light chop. Scattered Thunderstorms.
Thursday..Southwest winds around 10 knots. Bay and inland waters a light chop. Scattered Thunderstorms.
GMZ800 Synopsis For The Coastal Waters From Bonita Beach To Suwannee River- 246 Pm Edt Sat Jul 20 2019
Synopsis.. High pressure continues to ridge over the area producing pleasant boating conditions over the coastal waters. Winds remain southeast 10 knots or less with a shift to onshore close to the coast each afternoon through the weekend and seas will remain less than 2 feet. The high pressure ridge will shift farther south by Tuesday next week as a trough moves toward the eastern u.s. This will cause a shift in the winds to the west-southwest at 10 knots or less. The only hazards will be daily scattered Thunderstorms, which will produce gusty winds, choppy seas and dangerous lightning in the vicinity of these storms.
Synopsis.. High pressure continues to ridge over the area producing pleasant boating conditions over the coastal waters. Winds remain southeast 10 knots or less with a shift to onshore close to the coast each afternoon through the weekend and seas will remain less than 2 feet. The high pressure ridge will shift farther south by Tuesday next week as a trough moves toward the eastern u.s. This will cause a shift in the winds to the west-southwest at 10 knots or less. The only hazards will be daily scattered Thunderstorms, which will produce gusty winds, choppy seas and dangerous lightning in the vicinity of these storms.
7 Day Forecast for Marine Location Near Harbor Bluffs, FL
Hourly EDIT Helplocation: 27.91, -82.82 debug
Area Discussion for - Tampa Bay, FL
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus62 ktbw 201843 afdtbw area forecast discussion national weather service tampa bay ruskin fl 243 pm edt Sat jul 20 2019 Short term (today - Sunday) Mid-upper level ridging and associated broad surface high pressure continues to extend westward over northern florida and along the northern gulf coast through Sunday. This will keep us in florida sea breeze regime 6 with a predominant southeast wind flow between 4-10 knots. Similar to the past couple of days, we can expect the west coast sea breeze to push inland each day between 10-30 miles during the early to mid afternoon hours. The latest hrrr guidance has the initial showers and storms moving in from the east-southeast early afternoon, followed by west coast sea breeze showers and storms firing up by mid afternoon. The boundary collisions could produce some strong storms with gusty winds, heavy downpours, frequent lightning as well as a chance for hail. The highest coverage of storms early afternoon will be over the interior with storms moving back toward the west coast late afternoon into the evening. Similar conditions can be expected on Sunday. Daytime high temps will reach the low to mid 90's with heat indices between 100-103 degrees and overnight lows in the mid to upper 70's. Long term (Sunday night - next Saturday) the synoptic pattern will remain unchanged through Tuesday. The upper ridge and surface high continues to extend over northern florida keeping us in a southeast flow pattern through late Monday into Tuesday. At that time, the ridge shifts south as a positively tilted trough over the great lakes begins to swing east-southeast over the eastern u.S. On the surface, an area of low pressure over new england stretches a frontal boundary southwest along the east coast then westward to texas. This boundary will stall out and linger over southern ga northern fl through the end of next week. Interaction between the boundary over northern fl and the ridge to the south will bring a shift in winds putting us in florida sea breeze regime 4 with winds out of the southwest at 4-10 knots. Under this pattern, scattered showers and storms will develop over the coastal waters coastline early morning and move inland during the afternoon evening hours. The highest coverage will be over the far inland counties mid afternoon with improving conditions along the coastline later in the day. This pattern will continue through the end of next week. Temperatures will run around average through the extended period. |
Aviation Vfr conditions will prevail for most of the day with southeast winds less than 10 knots, turning onshore within the next couple of hours with an afternoon seabreeze at all terminals except klal, which will remain mostly easterly less than 10 knots. Radar is already showing tsra shra moving west through the interior, so will hold vcts at all terminals through 02z. Have also put tempo groups at all terminals for brief periods of MVFR ifr for low CIGS and vsby as will as gusty winds up to 35 knots possible in passing storms. Winds will become light and variable less than 5 knots once again after 03z tonight. No other aviation impacts expected. Marine High pressure continues to ridge over the area producing pleasant boating conditions over the coastal waters. Winds remain southeast 10 knots or less with a shift to onshore close to the coast each afternoon through the weekend and seas will remain less than 2 feet. The high pressure ridge will shift farther south by Tuesday next week as a trough moves toward the eastern u.S. This will cause a shift in the winds to the west-southwest at 10 knots or less. The only hazards will be daily scattered thunderstorms, which will produce gusty winds, choppy seas and dangerous lightning in the vicinity of these storms. Fire weather Scattered showers and isolated thunderstorms can be expected each day across west central and southwest florida. These daily showers and storms combined with high humidity levels and winds less than 10 knots will preclude any fire weather impacts over the next several days. Preliminary point temps pops Tpa 76 91 76 91 30 40 30 40 fmy 75 91 75 91 20 50 40 50 gif 75 93 74 93 30 60 10 60 srq 75 91 75 91 30 30 40 40 bkv 73 92 72 92 30 40 20 40 spg 76 91 76 91 30 30 40 40 Tbw watches warnings advisories Fl... None. Gulf waters... None. Short long term aviation marine fire weather... 74 wynn decision support... 57 mcmichael |
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 |
| CWBF1 - 8726724 - Clearwater Beach, FL | 5 mi | 50 min | WSW 7 G 8.9 | 87°F | 89°F | 1017.2 hPa | ||
| CLBF1 | 14 mi | 68 min | W 8.9 G 11 | 87°F | 1015.4 hPa | |||
| OPTF1 - 8726607 - Old Port Tampa, FL | 15 mi | 50 min | NNW 9.9 G 11 | 86°F | 88°F | 1016.7 hPa | ||
| SAPF1 - 8726520 - St. Petersburg, FL | 15 mi | 56 min | S 5.1 G 5.1 | 91°F | 87°F | 1017.4 hPa | ||
| FHPF1 - Fred Howard Park, FL | 17 mi | 68 min | W 6 G 7 | 87°F | 1017.2 hPa | |||
| GCTF1 | 19 mi | 50 min | 88°F | 1016.4 hPa | 74°F | |||
| MCYF1 | 21 mi | 44 min | 90°F | |||||
| MTBF1 | 21 mi | 50 min | W 11 G 11 | 86°F | 1017 hPa | 74°F | ||
| TPAF1 - 8726694 - TPA Cruise Terminal 2, Tampa, FL | 21 mi | 44 min | SW 2.9 G 5.1 | |||||
| TSHF1 - 8726667 - East Bay Causeway, FL | 21 mi | 44 min | SSE 4.1 G 7 | |||||
| 42098 | 23 mi | 32 min | 88°F | 1 ft | ||||
| PMAF1 | 23 mi | 50 min | 86°F | 91°F | 1016.6 hPa | |||
| ARPF1 - APK - Aripeka, FL | 37 mi | 128 min | WNW 8 G 11 | 96°F | 1017.1 hPa |
Wind History for Clearwater Beach, 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 | NW | NW | NW | E G13 | E | E | E | N G7 | E | E G8 | NE G8 | E | E | E G9 | SE | SE G11 | SE G8 | S G8 | SE G9 | S | SW | SW | SW | W |
| 1 day ago | W | NW | NW | NW | NW | E | E | E G9 | E | SE | E | SE | SE | SE | SE | SE | SE G10 | SW | SW | SW | SE G17 | S | W | W |
| 2 days ago | W | NW | NW | E | E G12 | SE G13 | N | NE | E | SE | E | NE | S | SE | SE | SE | S | SW | SW | SW | W | W | W |
Airport Reports
EDIT (on/off) Help Click EDIT to display multiple airports| Airport | Dist | Age | Wind kt | Visibility | Sky/Weather | Temp | DewPt | Humidity | Pressure |
| St. Petersburg/Clearwater Airport, FL | 7 mi | 69 min | NW 7 | 10.00 mi | Thunderstorm | 90°F | 73°F | 58% | 1016.2 hPa |
| Albert Whitted Airport, FL | 14 mi | 69 min | ESE 3 | 10.00 mi | Thunderstorm in Vicinity | 92°F | 72°F | 52% | 1015.5 hPa |
| Macdill Air Force Base, Fl., FL | 16 mi | 66 min | NNW 9 G 15 | 10.00 mi | Thunderstorm in Vicinity | 92°F | 72°F | 53% | 1016.2 hPa |
| Tampa, Tampa International Airport, FL | 16 mi | 69 min | N 9 G 17 | 10.00 mi | Thunderstorm Light Rain | 88°F | 71°F | 57% | 1016.3 hPa |
| Tampa, Peter O Knight Airport, FL | 20 mi | 67 min | NNW 6 | 10.00 mi | Overcast | 90°F | 73°F | 59% | 1016.3 hPa |
Wind History from PIE (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 | NW | W | E G23 | N | NE | Calm | E | E | E | E | Calm | SE | SE | SE | SE | E | SE | SE | NE | NE | NW | W | ||
| 1 day ago | S | Calm | SE | SE | SE | Calm | SE | S | Calm | Calm | SE | SE | SE | Calm | SE | S | SE | E | E | W | NW | NW | W | NW |
| 2 days ago | NW | N | E | SE | S | S | N | SW | Calm | NE | E | E | Calm | E | E | E | S | E | NE | W | SW | SE |
Tide / Current Tables for Indian Rocks Beach (inside), Florida
EDIT Weekend mode (on/off) (on/off) Help One Week of DataIndian Rocks Beach (inside)
Click for Map
Sat -- 03:50 AM EDT 2.50 feet High Tide
Sat -- 06:47 AM EDT Sunrise
Sat -- 09:19 AM EDT 1.02 feet Low Tide
Sat -- 09:58 AM EDT Moonset
Sat -- 03:09 PM EDT 2.78 feet High Tide
Sat -- 08:27 PM EDT Sunset
Sat -- 10:05 PM EDT 0.15 feet Low Tide
Sat -- 11:09 PM EDT Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Sat -- 03:50 AM EDT 2.50 feet High Tide
Sat -- 06:47 AM EDT Sunrise
Sat -- 09:19 AM EDT 1.02 feet Low Tide
Sat -- 09:58 AM EDT Moonset
Sat -- 03:09 PM EDT 2.78 feet High Tide
Sat -- 08:27 PM EDT Sunset
Sat -- 10:05 PM EDT 0.15 feet Low Tide
Sat -- 11:09 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 |
| 0.8 | 1.4 | 2 | 2.4 | 2.5 | 2.3 | 2 | 1.6 | 1.2 | 1 | 1.1 | 1.3 | 1.8 | 2.2 | 2.6 | 2.8 | 2.7 | 2.4 | 1.8 | 1.3 | 0.7 | 0.3 | 0.1 | 0.3 |
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
Sat -- 01:09 AM EDT 0.00 knots Slack
Sat -- 04:03 AM EDT 0.99 knots Max Flood
Sat -- 06:46 AM EDT Sunrise
Sat -- 07:33 AM EDT -0.00 knots Slack
Sat -- 09:48 AM EDT -0.52 knots Max Ebb
Sat -- 09:56 AM EDT Moonset
Sat -- 12:05 PM EDT 0.00 knots Slack
Sat -- 02:57 PM EDT 0.98 knots Max Flood
Sat -- 05:44 PM EDT -0.00 knots Slack
Sat -- 08:26 PM EDT Sunset
Sat -- 09:33 PM EDT -1.29 knots Max Ebb
Sat -- 11:08 PM EDT Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Sat -- 01:09 AM EDT 0.00 knots Slack
Sat -- 04:03 AM EDT 0.99 knots Max Flood
Sat -- 06:46 AM EDT Sunrise
Sat -- 07:33 AM EDT -0.00 knots Slack
Sat -- 09:48 AM EDT -0.52 knots Max Ebb
Sat -- 09:56 AM EDT Moonset
Sat -- 12:05 PM EDT 0.00 knots Slack
Sat -- 02:57 PM EDT 0.98 knots Max Flood
Sat -- 05:44 PM EDT -0.00 knots Slack
Sat -- 08:26 PM EDT Sunset
Sat -- 09:33 PM EDT -1.29 knots Max Ebb
Sat -- 11:08 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 | -0.1 | 0.5 | 0.9 | 1 | 0.9 | 0.6 | 0.2 | -0.2 | -0.4 | -0.5 | -0.4 | -0 | 0.4 | 0.8 | 1 | 0.8 | 0.4 | -0.1 | -0.6 | -1 | -1.3 | -1.3 | -1.1 |
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 (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. |