Thursday, October21, 2021
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Marine Weather and Tides
Riverview, 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 7:32AMSunset 6:55PM Thursday October 21, 2021 5:45 PM EDT (21:45 UTC) Moonrise 6:44PMMoonset 7:21AM Illumination 99% Phase: Waning Gibbous; Moon at 16 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- 240 Pm Edt Thu Oct 21 2021
Tonight..North winds around 10 knots then becoming east after midnight. Bay and inland waters a light chop.
Friday..Southeast winds around 5 knots then becoming west around 5 knots early in the afternoon, then becoming northwest around 10 knots late in the afternoon. Bay and inland waters a light chop.
Friday night..North winds around 10 knots then becoming northeast around 5 knots after midnight. Bay and inland waters a light chop.
Saturday..Northeast winds around 10 knots. Bay and inland waters a light chop. A slight chance of showers in the afternoon.
Saturday night..East winds around 10 knots. Bay and inland waters a light chop.
Sunday..East winds around 10 knots. Bay and inland waters a light chop. A chance of showers in the afternoon.
Sunday night..East winds around 10 knots. Bay and inland waters a light chop. A chance of showers.
Monday..Southeast winds around 10 knots then becoming west around 5 knots late in the afternoon. Bay and inland waters a light chop. A chance of showers.
Monday night..North winds around 5 knots then becoming east in the late evening and early morning, then becoming northwest toward morning. Bay and inland waters smooth. A slight chance of showers in the evening.
Tuesday..Northwest winds around 10 knots. Bay and inland waters a light chop. A slight chance of showers.
GMZ800 Synopsis For The Coastal Waters From Bonita Beach To Suwannee River- 240 Pm Edt Thu Oct 21 2021
Synopsis..High pressure over the atlantic will maintain an east to southeast wind flow over the gulf waters through the end of the week and into the weekend with a weak pressure pattern supporting an onshore sea breeze component along the coast each afternoon. On Saturday a weak cold front will sink south through the waters. The front will then stall out across the southern waters during Sunday and Monday as high pressure rebuilds in north of the waters with an east to southeast wind flow continuing along with chances for showers over the central and southern waters.


7 Day Forecast for Marine Location Near Riverview, FL
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location: 27.84, -82.29     debug


Area Discussion for - Tampa Bay, FL
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FXUS62 KTBW 211820 AFDTBW

Area Forecast Discussion National Weather Service Tampa Bay Ruskin FL 220 PM EDT Thu Oct 21 2021

. Low Dispersions Expected On Friday .

DISCUSSION. High pressure over the Atlantic will maintain an east-southeast wind flow over the forecast area through Friday. A weakening cold front will sink south through the region on Saturday with high pressure then rebuilding in over the southeastern U.S. in the wake of the front with an easterly flow continuing. An increase in moisture will support increasing rain chances, mainly across the southern half of the forecast area Friday into Saturday, and then across most of the area during Sunday and Monday as the aforementioned front stalls out across the southern peninsula with the highest rain chances (Pops 50- 60%) focusing across south central and southwest Florida where the best available moisture, weak impulses moving through the flow aloft, and the stalled frontal boundary will reside.

Now during Tuesday and Wednesday an upper level trough and attendant surface low will be lifting northeastward up along the mid Atlantic coast. In the wake of these features high pressure with drier air building in from the west will support lower rain chances across the forecast area. During Thursday models show a strong upper level trough and attendant surface low moving from the lower Mississippi valley across the Southeastern States with a trailing cold front approaching from the west. This system will bring the next chance for showers and storms to the region as the front move into and through the region, and a few strong storms could be possible, so stay tuned. Temperatures will run above seasonal norms with overnight lows in the upper 60s to lower 70s, with daytime highs climbing into the upper 80s each afternoon.

AVIATION. 21/18Z-22/18Z. VFR prevails for the next 24 hours with FEW-SCT CU/SC at 3 to 6K FT under some CI. Winds E to SE shift during the afternoon . SW to NW at TPA/PIE/SRQ and NE elsewhere. Light and VRBL over night then E Fri morning.

MARINE. High pressure over the Atlantic will maintain an east to southeast wind flow over the Gulf waters through the end of the week and into the weekend with a weak pressure pattern supporting an onshore sea breeze component along the coast each afternoon. On Saturday a weak cold front will sink south through the waters. The front will then stall out across the southern waters during Sunday and Monday as high pressure rebuilds in north of the waters with an east to southeast flow continuing along with shower chances over the central and southern waters. Wind and seas will be higher in the vicinity of showers and thunderstorms, otherwise no headlines are expected.

FIRE WEATHER. Weak 20 foot winds and transport winds will support low dispersions over the region the remainder of the afternoon and again on Friday. An increase in moisture and rain chances is expected across the southern half of the forecast area on Friday, then across all of the area during the weekend and into early next week. Humidity values are forecast to remain above critical levels with no other fire weather hazards expected.

Preliminary Point Temps/PoPs. TPA 73 89 73 90 / 0 10 0 10 FMY 72 90 73 90 / 10 20 20 40 GIF 70 90 70 90 / 0 20 0 20 SRQ 70 88 72 89 / 0 10 10 20 BKV 65 88 65 89 / 0 10 0 10 SPG 75 87 76 88 / 0 10 0 10

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

DISCUSSION//MARINE/FIRE WEATHER . 57/McMichael AVIATION/DECISION SUPPORT . 09/Rude


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
TSHF1 - 8726667 - East Bay Causeway, FL 9 mi45 min ENE 1.9G4.1
EBEF1 9 mi45 min 85°F 81°F1018.2 hPa (-1.5)
SKCF1 10 mi45 min NE 2.9G5.1
TPAF1 - 8726694 - TPA Cruise Terminal 2, Tampa, FL 10 mi45 min ESE 6G7
GCTF1 13 mi45 min 82°F 65°F
OPTF1 - 8726607 - Old Port Tampa, FL 14 mi45 min NW 6G7 81°F 82°F1018.7 hPa (-1.4)
SAPF1 - 8726520 - St. Petersburg, FL 19 mi45 min ENE 2.9G5.1 86°F 78°F1019 hPa (-1.5)
MTBF1 20 mi45 min N 5.1G6
PMAF1 20 mi45 min 81°F 82°F1018.5 hPa (-1.3)
CLBF1 22 mi111 min W 5.1G7 84°F 1017.6 hPa
CWBF1 - 8726724 - Clearwater Beach, FL 30 mi45 min NNW 9.9G11 79°F 80°F1019.1 hPa (-1.3)
FHPF1 - Fred Howard Park, FL 35 mi111 min NW 8.9G9.9 79°F 1019.4 hPa
42098 38 mi49 min 82°F1 ft

Wind History for East Bay Causeway, FL
(wind in knots)    EDIT      (on/off)   Help
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NE4
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G12
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G9
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G14
NE4
G9

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Tampa, Peter O Knight Airport, FL10 mi50 minN 07.00 miOvercast88°F63°F43%1018.6 hPa
Macdill Air Force Base, Fl., FL12 mi49 minNW 410.00 miFair84°F63°F49%1017.5 hPa
Tampa, Vandenberg Airport, FL12 mi50 minE 310.00 miMostly Cloudy88°F64°F46%1018.6 hPa
Plant City, Plant City Municipal Airport, FL13 mi50 minE 310.00 miPartly Cloudy84°F64°F51%1019.3 hPa
Tampa, Tampa International Airport, FL16 mi52 minWSW 610.00 miPartly Cloudy85°F64°F50%1018.4 hPa
Lakeland Regional, FL18 mi55 minESE 810.00 miPartly Cloudy86°F63°F46%1019 hPa
Albert Whitted Airport, FL19 mi52 minNE 410.00 miFair86°F68°F55%1017.9 hPa
St. Petersburg/Clearwater Airport, FL22 mi52 minN 310.00 miFair87°F62°F43%1018.4 hPa

Link to 5 minute data for KTPF

Wind History from TPF (wind in knots)
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Last 24hrE7E5E7E8E8E6E5E6E5E5E5E6NE6NE5NE5E5E7E5SE40NE4SE300
1 day agoE8E6E7E9
G14
E6E6E7E7E6NE6NE6NE6NE5NE6NE5E8E11E10
G15
E8SE7E7E10SE7E7
2 days agoE6E3E5E6E7E6E8E6E6E5E5NE5NE6NE6NE4E6E9E9E7E11E11E9E11
G15
E9

Tide / Current Tables for Hillsborough Bay, Tampa Bay, Tampa Bay, Florida
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Hillsborough Bay
Click for Map
Thu -- 02:22 AM EDT     2.81 feet High Tide
Thu -- 07:33 AM EDT     Sunrise
Thu -- 08:21 AM EDT     Moonset
Thu -- 09:42 AM EDT     0.31 feet Low Tide
Thu -- 03:53 PM EDT     2.33 feet High Tide
Thu -- 06:54 PM EDT     Sunset
Thu -- 07:44 PM EDT     Moonrise
Thu -- 09:17 PM EDT     1.82 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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Tide / Current Tables for Old Tampa Bay Entrance (Port Tampa), Florida Current
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Old Tampa Bay Entrance (Port Tampa)
Click for Map
Thu -- 12:57 AM EDT     0.97 knots Max Flood
Thu -- 03:48 AM EDT     -0.00 knots Slack
Thu -- 07:34 AM EDT     Sunrise
Thu -- 07:39 AM EDT     -1.31 knots Max Ebb
Thu -- 08:22 AM EDT     Moonset
Thu -- 11:05 AM EDT     0.00 knots Slack
Thu -- 01:56 PM EDT     1.24 knots Max Flood
Thu -- 05:18 PM EDT     -0.00 knots Slack
Thu -- 06:54 PM EDT     Sunset
Thu -- 07:44 PM EDT     Moonrise
Thu -- 07:52 PM EDT     -0.73 knots Max Ebb
Thu -- 10:35 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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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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