Sunrise 6:35 AM   Sunset 8:18 PM Moonrise 5:47 PM   Moonset 4:09 AM

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GMZ830 Tampa Bay Waters- 737 Pm Edt Tue May 21 2024
Tonight - Northwest winds around 10 knots, becoming east after midnight. Bay and inland waters light chop. Wednesday - East winds 5 to 10 knots, becoming northwest in the afternoon. Bay and inland waters light chop. Wednesday night - North winds 5 to 10 knots, becoming east after midnight. Bay and inland waters light chop. Thursday - Southeast winds 5 to 10 knots, becoming southwest in the afternoon. Bay and inland waters light chop. Thursday night - Northwest winds 5 to 10 knots, becoming east after midnight. Bay and inland waters light chop. Friday - South winds around 5 knots, becoming west in the afternoon. Bay and inland waters light chop. Friday night - West winds 5 to 10 knots, becoming north after midnight. Bay and inland waters light chop. Saturday - South winds around 5 knots, becoming west in the afternoon. Bay and inland waters light chop. A slight chance of showers and Thunderstorms in the afternoon. Saturday night - West winds 5 to 10 knots, diminishing to around 5 knots after midnight. Bay and inland waters light chop. A slight chance of showers and Thunderstorms in the evening. Sunday - South winds around 5 knots, becoming southwest in the afternoon. Bay and inland waters light chop.
winds and waves higher in and near Thunderstorms.

GMZ800 Synopsis For The Coastal Waters From Bonita Beach To Suwannee River- 737 Pm Edt Tue May 21 2024
Synopsis - Northeast to east winds tonight become east and then southeast through the week, with a turn onshore with the sea breeze each afternoon. No headlines are expected.

FXUS62 KTBW 212335 AFDTBW

Area Forecast Discussion National Weather Service Tampa Bay Ruskin FL 735 PM EDT Tue May 21 2024

New UPDATE, AVIATION

FOR THE EVENING UPDATE
Issued at 724 PM EDT Tue May 21 2024 High pressure surface and aloft remains over the region creating strong large scale subsidence across the forecast area. Although significant dry air aloft is present with PCPW values around 1 inch, collision of the west/east coast sea breeze boundaries is generating a few showers across the nature coast and interior this evening. Shower activity will dissipate by midnight with skies becoming mostly clear across the region with overnight lows generally in the upper 60s north, to around 70 and the lower 70s central and south. Similar conditions expected on Wednesday, except a few degrees warmer as the U/L ridge builds a bit over the Florida peninsula.

DISCUSSION
The pattern aloft this afternoon features high pressure centered over Mexico and and troughing to our east, with flow over the region out of the north-northeast. At the surface, high pressure over the mid-Atlantic region ridges down across Florida. For the rest of the day, expect a few showers and storms to continue over the interior, but hot and dry conditions will prevail otherwise. The rest of the week looks to be rather uneventful as ridging builds over the region aloft and increasing subsidence leads to lower rain chances. Only southwest Florida and the interior could see a shower or too, but rainfall amounts are forecast to be on the low side. Conditions otherwise will remain hot, with high temperatures topping out in the mid to upper 90s.

The upper ridge holds through the weekend and even into next week, though it does flatten some as a shortwave moves by to the north.
Surface high pressure shifts eastward some, with a low-level southerly flow leading to an increase in moisture and slightly higher rain chances.

AVIATION
(00Z TAFS)
Issued at 724 PM EDT Tue May 21 2024 VFR conditions expected tonight and Wednesday. Mostly clear skies overnight, and SCT040-050 SCT250 developing Wednesday afternoon.
Terminals closer to the coast
PIE/SRQ
less likely to see CU development with mainly SCT250.

MARINE
Northeast to east winds today become east and then southeast through the week, with a turn onshore with the sea breeze each afternoon. No headlines are expected.

FIRE WEATHER
No fire weather concerns as relative humidity values will remain above critical levels.

PRELIMINARY POINT TEMPS/POPS
TPA 75 93 75 93 / 10 10 0 10 FMY 73 94 73 94 / 10 30 10 20 GIF 71 93 71 95 / 10 10 0 10 SRQ 73 93 73 93 / 0 10 0 10 BKV 68 95 68 95 / 10 10 0 10 SPG 78 93 78 92 / 0 10 0 10

Sea Breeze Thunderstorm Regime For Wednesday: 2 Sea Breeze Thunderstorm Regime For Thursday: 6

For additional information on sea breeze regimes, go to: https:// www.weather.gov/tbw/ThunderstormClimatology

TBW WATCHES/WARNINGS/ADVISORIES
FL...None.
Gulf waters...None.

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Safety Harbor
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Tue -- 04:05 AM EDT     1.89 feet High Tide
Tue -- 05:09 AM EDT     Moonset
Tue -- 06:37 AM EDT     Sunrise
Tue -- 08:40 AM EDT     1.49 feet Low Tide
Tue -- 02:17 PM EDT     2.81 feet High Tide
Tue -- 06:46 PM EDT     Moonrise
Tue -- 08:17 PM EDT     Sunset
Tue -- 10:15 PM EDT     -0.12 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION

Safety Harbor, Old Tampa Bay, Tampa Bay, Florida, Tide feet

Old Tampa Bay Entrance (Port Tampa)
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Tue -- 12:15 AM EDT     1.03 knots Max Flood
Tue -- 03:37 AM EDT     -0.00 knots Slack
Tue -- 05:09 AM EDT     Moonset
Tue -- 05:59 AM EDT     -0.51 knots Max Ebb
Tue -- 06:37 AM EDT     Sunrise
Tue -- 08:22 AM EDT     0.00 knots Slack
Tue -- 11:14 AM EDT     0.92 knots Max Flood
Tue -- 02:01 PM EDT     -0.00 knots Slack
Tue -- 06:10 PM EDT     -1.33 knots Max Ebb
Tue -- 06:46 PM EDT     Moonrise
Tue -- 08:16 PM EDT     Sunset
Tue -- 10:05 PM EDT     0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION

Old Tampa Bay Entrance (Port Tampa), Florida Current, knots

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