Thursday, July29, 2021
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Marine Weather and Tides
Longboat Key, FL

Version 3.4
NOTICE
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 6:51AMSunset 8:22PM Thursday July 29, 2021 6:54 PM EDT (22:54 UTC) Moonrise 11:15PMMoonset 11:09AM Illumination 70% Phase: Waning Gibbous; Moon at 20 days in cycle
NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.
Marine Forecasts
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GMZ853 Coastal Waters From Englewood To Tarpon Springs Fl Out 20 Nm- 210 Pm Edt Thu Jul 29 2021
Tonight..West winds around 5 knots. Seas 2 feet or less. Bay and inland waters smooth. Isolated Thunderstorms in the evening. Scattered Thunderstorms after midnight.
Friday..Southwest winds around 10 knots. Seas 2 feet or less. Bay and inland waters a light chop. Isolated Thunderstorms in the morning.
Friday night..Southwest winds around 10 knots. Seas 2 feet or less. Bay and inland waters a light chop.
Saturday..Southwest winds around 10 knots. Seas 2 feet or less. Bay and inland waters a light chop.
Saturday night..Southwest winds around 10 knots. Seas 2 feet or less. Bay and inland waters a light chop.
Sunday..Southwest winds around 10 knots. Seas 2 feet or less. Bay and inland waters a light chop. Isolated Thunderstorms.
Sunday night..Southwest winds around 10 knots. Seas 2 feet or less. Bay and inland waters a light chop. Isolated Thunderstorms after midnight.
Monday..Southwest winds around 10 knots. Seas 2 feet or less. Bay and inland waters a light chop. Scattered Thunderstorms.
Monday night..Southwest winds around 10 knots. Seas 2 feet. Bay and inland waters a light chop. Isolated Thunderstorms.
Tuesday..Southwest winds around 10 knots. Seas 2 feet. Bay and inland waters a light chop. Scattered Thunderstorms.
GMZ800 Synopsis For The Coastal Waters From Bonita Beach To Suwannee River- 210 Pm Edt Thu Jul 29 2021
Synopsis..It has been a very wet start to the day once again over the eastern gulf waters. Scattered showers and storms will be possible each day with the highest coverage during the overnight and early morning hours before moving inland during the afternoon. Some of these storms will produce gusty winds, higher waves and dangerous lightning. All mariners should pay close attention to the weather and make sure to head back to safety when storms develop. Otherwise, winds remain less than 15 knots and seas 2 feet or less. This pattern will continue through the remainder of the week and into the weekend.


7 Day Forecast for Marine Location Near Longboat Key, FL
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location: 27.38, -82.63     debug


Area Discussion for - Tampa Bay, FL
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FXUS62 KTBW 291809 AFDTBW

Area Forecast Discussion National Weather Service Tampa Bay Ruskin FL 209 PM EDT Thu Jul 29 2021

DISCUSSION. Weak high pressure on the surface ridges over southwest Florida producing a west-southwest wind flow over the region this afternoon. This is helping to keep the area in a warm and moist environment, which is apparent in the 12Z morning sounding showing a PWAT of 2.29 inches. This abundant moisture has led to another day of slow moving showers and storms, primarily near the coast and over the gulf waters. The latest HRRR guidance has more showers and storms pushing farther inland this afternoon.

The surface ridging will lift northward and broad upper ridging builds in from the northwest by early Friday as the troughing lifts northeastward along the mid-Atlantic coast and New England. This will allow for some drier air with PWAT values ranging from 1.8-2.1 inches to replace the very moist atmosphere that is currently over the Florida peninsula. A predominant west-southwest wind will persist, but lower moisture will equate to slightly lower rain and storm chances each day through the weekend with POPs around 30-50 percent each day with the highest chances early morning over the eastern gulf and moving eastward through the day.

Another upper trough and weak frontal boundary moves into the southeast U.S. for the first part of next week. This will push the ridge over southern Florida once again and also bring increasing moisture to the region. So with all that being said, west-southwest onshore flow will prevail through the period with above average moisture through the end of the week, a slight decrease for the weekend and then very wet again for the first part of next week. As for temperatures, it's gonna be hot and very muggy. Overnight lows will only dip to the upper 70's to around 80 near the coast and daytime highs in the upper 80's to mid 90's. This heat combined with high humidity will lead to dangerous and very uncomfortable heat index values. Those working outside or doing outdoor activities should take frequent breaks inside and make sure you stay hydrated.

AVIATION. The day has started off on the wet side once again. Current radar has the SHRA and TSRA near Tampa Bay northward. Will hold VCTS at all terminals through around 22Z this evening. Winds will be out of the WSW at 10 knots of less, except in the vicinity of thunderstorms where gusty winds will be possible.

MARINE. It has been a very wet start to the day once again over the eastern gulf waters. Scattered showers and storms will be possible each day with the highest coverage during the overnight and early morning hours before moving inland during the afternoon. Some of these storms will produce gusty winds, higher waves and dangerous lightning. All mariners should pay close attention to the weather and make sure to head back to safety when storms develop. Otherwise, winds remain less than 15 knots and seas 2 feet or less. This pattern will continue through the remainder of the week and into the weekend.

FIRE WEATHER. Scattered to numerous showers and storms expected each day through the week and into the weekend. West-southwest winds prevail as high pressure ridges over southern Florida. No fire weather concerns expected through the week. No significant fog is expected.

Preliminary Point Temps/PoPs. TPA 81 93 81 94 / 40 40 10 20 FMY 77 94 78 93 / 10 20 10 30 GIF 76 93 77 95 / 20 40 0 40 SRQ 78 91 79 92 / 20 20 0 20 BKV 73 92 75 93 / 30 50 10 30 SPG 81 90 82 91 / 40 30 0 20

Sea Breeze Thunderstorm Regime For Today: 4 Sea Breeze Thunderstorm Regime For Tomorrow: 4

For Additional Information On Sea Breeze Regimes go to the link below https://www.weather.gov/tbw/ThunderstormClimatology

TBW WATCHES/WARNINGS/ADVISORIES. FL . Beach Hazards Statement through Friday evening for Coastal Manatee-Coastal Sarasota-Pinellas.

Gulf waters . None.



DISCUSSION/AVIATION/MARINE/FIRE WEATHER . 74/Wynn DECISION SUPPORT . 57/McMichael


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PMAF1 18 mi60 min 82°F 88°F1016.6 hPa
MTBF1 20 mi60 min NNW 9.9 G 12 82°F 73°F
42013 - C10 - Navy-2 21 mi84 min NW 12 G 14 83°F 86°F
42098 22 mi58 min 87°F2 ft
VENF1 - Venice, FL 23 mi54 min NW 13 G 16 83°F 88°F1016.2 hPa (-1.1)76°F
CLBF1 25 mi120 min NW 4.1 G 6 82°F 1016.3 hPa
SAPF1 - 8726520 - St. Petersburg, FL 26 mi60 min NW 7 G 8.9 83°F 88°F1016.9 hPa
GCTF1 28 mi60 min 82°F 73°F
OPTF1 - 8726607 - Old Port Tampa, FL 33 mi60 min NW 8 G 9.9 82°F 89°F1016.8 hPa
EBEF1 39 mi60 min 81°F 89°F1016.5 hPa
SKCF1 39 mi60 min WNW 2.9 G 7
TSHF1 - 8726667 - East Bay Causeway, FL 39 mi60 min W 2.9 G 5.1
TPAF1 - 8726694 - TPA Cruise Terminal 2, Tampa, FL 40 mi60 min Calm G 1
CWBF1 - 8726724 - Clearwater Beach, FL 43 mi60 min W 9.9 G 11 81°F 89°F1016.7 hPa

Wind History for C-Cut, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Sarasota / Bradenton, Sarasota-Bradenton International Airport, FL4 mi61 minWNW 910.00 miPartly Cloudy85°F76°F75%1015.8 hPa
Venice Municipal Airport, FL24 mi59 minNW 1110.00 miA Few Clouds84°F75°F74%1016.6 hPa

Link to 5 minute data for KSRQ

Wind History from SRQ (wind in knots)
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Last 24hrW6NW6NW4NW3W5W5SE4E3CalmE3E4NW3S4SE3S5SW10W5W12W12W13W13W15NW11W9
1 day agoSW5S6SW4SW5W5W5SW4W4SE4CalmSE3SE4CalmCalmSW11W9NW3W4W8W6NW7W6W6W7
2 days agoSW6SW5S4SE4S4E4S8W5CalmSW5CalmNE3CalmNW3E3E33W5SW4SW8W6W5W34

Tide / Current Tables for Sarasota, Sarasota Bay, Florida (2)
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Sarasota
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Thu -- 05:20 AM EDT     1.66 feet High Tide
Thu -- 06:52 AM EDT     Sunrise
Thu -- 11:35 AM EDT     0.91 feet Low Tide
Thu -- 12:09 PM EDT     Moonset
Thu -- 04:51 PM EDT     1.80 feet High Tide
Thu -- 08:20 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.50.70.91.31.51.71.61.51.41.210.90.91.11.31.61.71.81.71.61.31.10.90.7

Tide / Current Tables for Tampa Bay Entrance (Egmont Channel), Florida Current
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Tampa Bay Entrance (Egmont Channel)
Click for Map
Thu -- 12:58 AM EDT     0.00 knots Slack
Thu -- 04:15 AM EDT     1.27 knots Max Flood
Thu -- 06:52 AM EDT     Sunrise
Thu -- 07:38 AM EDT     -0.00 knots Slack
Thu -- 10:09 AM EDT     -0.72 knots Max Ebb
Thu -- 12:10 PM EDT     Moonset
Thu -- 01:01 PM EDT     0.00 knots Slack
Thu -- 04:10 PM EDT     0.85 knots Max Flood
Thu -- 06:57 PM EDT     -0.00 knots Slack
Thu -- 08:21 PM EDT     Sunset
Thu -- 10:06 PM EDT     -1.04 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.600.611.31.20.80.3-0.2-0.6-0.7-0.6-0.4-00.40.70.80.80.5-0-0.5-0.9-1-0.9

Weather Map
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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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