Thursday, April22, 2021
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Marine Weather and Tides
Treasure Island, FL

Version 3.4
NOTICE
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 6:57AMSunset 8:01PM Thursday April 22, 2021 9:12 PM EDT (01:12 UTC) Moonrise 2:24PMMoonset 3:10AM Illumination 84% Phase: Waxing Gibbous; Moon at 11 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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GMZ830 Tampa Bay Waters- 541 Pm Edt Thu Apr 22 2021
Rest of tonight..North winds 5 to 10 knots then becoming northeast near 15 knots. Bay and inland waters a moderate chop.
Friday..East winds 15 knots diminishing to 5 to 10 knots in the afternoon. Bay and inland waters a moderate chop.
Friday night..Southeast winds 15 to 20 knots. Bay and inland waters a moderate chop.
Saturday..South winds 15 to 20 knots then becoming southwest in the afternoon. Bay and inland waters a moderate chop.
Saturday night..Southwest winds 15 to 20 knots. Bay and inland waters a moderate chop. A slight chance of Thunderstorms. A chance of showers after midnight.
Sunday..West winds around 10 knots. Bay and inland waters a light chop.
Sunday night..Northwest winds around 10 knots then becoming northeast after midnight. Bay and inland waters a light chop.
Monday..Northeast winds around 10 knots. Bay and inland waters a light chop.
Monday night..East winds 15 to 20 knots. Bay and inland waters a moderate chop.
Tuesday..East winds 15 to 20 knots diminishing to 5 to 10 knots in the afternoon. Bay and inland waters a moderate chop.
GMZ800 Synopsis For The Coastal Waters From Bonita Beach To Suwannee River- 541 Pm Edt Thu Apr 22 2021
Synopsis.. High pressure over the area will shift east into the atlantic Friday as another front approaches from the northwest. This front will move into the area Saturday and Saturday night, with a chance for showers and a few Thunderstorms. The front will eventually dissipate with high pressure building back in for next week. Winds increase and turn south to southeast Friday night into Saturday with the approaching front and then gradually veer to the west and northwest for the end of the weekend into the start of next week.


7 Day Forecast for Marine Location Near Treasure Island, FL
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location: 27.77, -82.78     debug


Area Discussion for - Tampa Bay, FL
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FXUS62 KTBW 222136 AFDTBW

Area Forecast Discussion National Weather Service Tampa Bay Ruskin FL 536 PM EDT Thu Apr 22 2021

AVIATION.

Expect VFR conditions throughout the forecast period.

MARINE.

Winds are near SCEC conditions right now over the Gulf and the gradient is forecast to tighten overnight. I will amend the coastal forecast to include SCEC overnight. Models have winds lightening again Friday morning so my change will only be to overnight conditions.

Prev Discussion. /issued 236 PM EDT Thu Apr 22 2021/

DISCUSSION . Today has been very pleasant area-wide with high pressure over the region bringing drier air and comfortable outdoor conditions. This high will shift east out into the Atlantic tomorrow into Saturday as the next system develops over the Mississippi Valley region and then quickly moves northeast toward the mid-Atlantic. An associated frontal boundary will move toward the region late Saturday, bringing a chance for showers and a few thunderstorms continuing into early Sunday morning. This front will mostly wash out across the area on Sunday, with drier air moving in from the north through the end of the day. This will mean little rain chance during the day on Sunday, but still a slight chance as the boundary dissipates. High pressure builds over the region for the first few days of next week, keeping rain-free conditions in place.

AVIATION . VFR conditions are expected through the forecast period. Winds will be northeast to east tonight through Friday.

MARINE . High pressure over the area will shift east into the Atlantic tomorrow and Saturday as another front approaches from the northwest. This front will move into the area Saturday and Saturday night, with a chance for showers and a few thunderstorms. The front will eventually dissipate with high pressure building back in for next week. East winds tonight will increase near exercise caution levels before diminishing in the morning. Winds then increase again and turn south to southeast Friday night into Saturday with the approaching front and then gradually veer to the west and northwest for the end of the weekend into the start of next week.

FIRE WEATHER . High pressure over the region will shift east Friday and Saturday ahead of an approaching cold front, with winds becoming east to southeast and then southwest by Saturday afternoon. Increasing low- level moisture will keep relative humidity values above critical levels, with no fire weather concerns. No significant fog is expected.

Preliminary Point Temps/PoPs. TPA 63 85 71 86 / 0 0 0 10 FMY 65 88 69 88 / 0 0 10 10 GIF 61 84 68 88 / 0 0 0 20 SRQ 62 85 69 84 / 0 0 0 10 BKV 52 85 63 87 / 0 0 0 20 SPG 66 84 72 83 / 0 0 0 10

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


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CLBF1 6 mi79 min N 4.1 G 7 73°F 1017.1 hPa
SAPF1 - 8726520 - St. Petersburg, FL 8 mi55 min N 6 G 11 73°F 78°F1018.5 hPa
MTBF1 12 mi55 min N 13 G 16 74°F 56°F
OPTF1 - 8726607 - Old Port Tampa, FL 13 mi55 min N 11 G 13 73°F 78°F1018.2 hPa
GCTF1 14 mi55 min 73°F 56°F
42098 15 mi47 min 75°F3 ft
CWBF1 - 8726724 - Clearwater Beach, FL 15 mi61 min N 12 G 15 71°F 80°F1018.6 hPa
PMAF1 15 mi55 min 73°F 79°F1017.7 hPa
SKCF1 21 mi61 min NNW 4.1 G 8.9
EBEF1 22 mi61 min 74°F 79°F1017.8 hPa
TPAF1 - 8726694 - TPA Cruise Terminal 2, Tampa, FL 22 mi55 min NNW 5.1 G 7
TSHF1 - 8726667 - East Bay Causeway, FL 22 mi67 min NNW 5.1 G 9.9
FHPF1 - Fred Howard Park, FL 26 mi79 min N 12 G 14 72°F 1018.7 hPa
42013 - C10 - Navy-2 42 mi103 min N 16 G 19 73°F 75°F
ARPF1 - APK - Aripeka, FL 46 mi139 min NNW 2.9 G 7 73°F 1018.2 hPa

Wind History for St. Petersburg, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Albert Whitted Airport, FL8 mi20 minN 1010.00 miFair72°F55°F55%1017.8 hPa
St. Petersburg/Clearwater Airport, FL11 mi20 minN 1010.00 miFair71°F55°F57%1018.5 hPa
Macdill Air Force Base, Fl., FL15 mi17 minN 510.00 miFair70°F49°F47%1017.9 hPa
Tampa, Tampa International Airport, FL19 mi20 minN 710.00 miFair71°F52°F51%1018.8 hPa
Tampa, Peter O Knight Airport, FL20 mi18 minN 310.00 miOvercast72°F54°F53%1019 hPa

Link to 5 minute data for KSPG

Wind History from SPG (wind in knots)
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Last 24hrCalmNW4NW7NW7NW6NW5NW5N14N11NE11NE12NE11NE15E11NE11NE8NE4NE5NE4E4E4N10N8N10
1 day agoSW4W4W4NW4W5W6NW5NW4NW5NW5N5N7N10NE7N5CalmN64NE5NW6NW96NW7NW7
2 days agoNW3NW3N6N5N5NE6N6NE8NE7NE7E7CalmCalmW4SW4W6SW10
G17
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Tide / Current Tables for Johns Pass, Florida
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Johns Pass
Click for Map
Thu -- 03:38 AM EDT     -0.10 feet Low Tide
Thu -- 04:10 AM EDT     Moonset
Thu -- 06:59 AM EDT     Sunrise
Thu -- 10:45 AM EDT     1.51 feet High Tide
Thu -- 03:20 PM EDT     1.18 feet Low Tide
Thu -- 03:24 PM EDT     Moonrise
Thu -- 08:00 PM EDT     Sunset
Thu -- 08:50 PM EDT     1.91 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.80.50.1-0.1-0.10.10.30.71.11.31.51.51.51.41.31.21.21.31.51.71.91.91.81.6

Tide / Current Tables for Tampa Bay Entrance (Egmont Channel), Florida Current
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Tampa Bay Entrance (Egmont Channel)
Click for Map
Thu -- 02:20 AM EDT     -1.52 knots Max Ebb
Thu -- 04:09 AM EDT     Moonset
Thu -- 06:13 AM EDT     0.00 knots Slack
Thu -- 06:59 AM EDT     Sunrise
Thu -- 09:48 AM EDT     1.51 knots Max Flood
Thu -- 01:35 PM EDT     -0.00 knots Slack
Thu -- 03:24 PM EDT     Moonrise
Thu -- 03:34 PM EDT     -0.45 knots Max Ebb
Thu -- 05:56 PM EDT     0.00 knots Slack
Thu -- 07:59 PM EDT     Sunset
Thu -- 09:13 PM EDT     0.81 knots Max Flood
Thu -- 11:41 PM EDT     -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.9-1.3-1.5-1.5-1.2-0.7-0.10.511.41.51.30.80.3-0.2-0.4-0.4-0.300.30.60.80.70.4

Weather Map
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GEOS Local Image of    EDIT
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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