Tuesday, September22, 2020
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Marine Weather and Tides
Arcadia, FL

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 7:16AMSunset 7:25PM Tuesday September 22, 2020 12:12 AM EDT (04:12 UTC) Moonrise 11:51AMMoonset 10:39PM Illumination 24% Phase: Waxing Crescent; Moon at 5 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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GMZ836 Charlotte Harbor And Pine Island Sound- 808 Pm Edt Mon Sep 21 2020
.small craft advisory in effect until 2 am edt Tuesday...
Rest of tonight..Northeast winds around 20 knots. Bay and inland waters rough.
Tuesday..East winds around 15 knots. Bay and inland waters a moderate chop.
Tuesday night..East winds around 15 knots diminishing to 5 to 10 knots after midnight. Bay and inland waters a moderate chop.
Wednesday..East winds around 10 knots. Bay and inland waters a light chop.
Wednesday night..East winds around 10 knots. Bay and inland waters a light chop. Isolated showers.
Thursday..Southeast winds around 10 knots. Bay and inland waters a light chop. Isolated Thunderstorms in the morning, then scattered Thunderstorms in the afternoon.
Thursday night..Southeast winds around 10 knots. Bay and inland waters a light chop. Scattered Thunderstorms.
Friday..South winds around 10 knots. Bay and inland waters a light chop. Scattered Thunderstorms. Numerous showers in the afternoon.
Friday night..Southeast winds around 10 knots. Bay and inland waters a light chop. Scattered Thunderstorms.
Saturday..South winds around 5 knots then becoming southwest around 5 knots early in the afternoon, then becoming west around 10 knots late in the afternoon. Bay and inland waters a light chop. Scattered Thunderstorms. Numerous showers in the afternoon.
GMZ800 Synopsis For The Coastal Waters From Bonita Beach To Suwannee River- 808 Pm Edt Mon Sep 21 2020
Synopsis..Hazardous marine conditions to continue into Tuesday as strong northeast winds will persist across the area thanks to interaction between strong high pressure to the north and a frontal boundary to the south. Small craft advisory conditions are expected for eastern gulf waters, including the bays. A gale watch remains in effect for offshore areas this afternoon through the evening as frequent wind gusts around 34 knots are possible. Conditions gradually improve Tuesday although winds and seas likely to remain elevated before diminishing further on Wednesday.


7 Day Forecast for Marine Location Near Arcadia, FL
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location: 27.22, -81.8     debug


Area Discussion for - Tampa Bay, FL
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FXUS62 KTBW 212352 AFDTBW

Area Forecast Discussion National Weather Service Tampa Bay Ruskin FL 752 PM EDT Mon Sep 21 2020

UPDATE. Tight 8-9mb pressure gradient over the FL Peninsula producing gusty winds this afternoon and evening combined with drier air filtering into the area to make for some fairly pleasant sensible weather conditions locally for the start of Fall. Latest grids and forecasts on track.

AVIATION. VFR conditions expected to continue with mid-upper cloud decks and gusty ENE winds through midnight before diminishing overnight. Winds to increase again becoming gusty mid Tuesday morning.

Prev Discussion. /issued 257 PM EDT Mon Sep 21 2020/

DISCUSSION . West to northwest upper-level flow over the state this afternoon with north to northeast low-/mid-level flow thanks to ridging to our north over the Ohio Valley extending into SE Canada. Strong surface high beneath the aforementioned ridging is creating appreciable gradient with lingering frontal boundary to the south extending through the Straits into Gulf to the eastern fringe of Tropical Storm Beta. Ridging to the north gradually weakens and is shunted south Tuesday into Wednesday due to a combination of Hurricane Teddy's extra-tropical transition near the SE Canadian maritimes and a southern Canadian shortwave eroding its northeastern extent with northwest flow developing over the Northeast and Mid-Atlantic. By late week, Beta's remnants become absorbed into the westerlies, reinforcing the eastern CONUS troughiness to our north while mid/upper ridging remains suppressed south over the peninsula. This general pattern persists into early next week until guidance hints at more substantial east coast troughing just beyond the end of the forecast period.

For the remainder of today and tonight, expect breezy northeast winds in response to the heightened gradient in place over the state. Showers and perhaps a thunderstorm remain possible over the southern third of the CWA this afternoon . roughly along a line through Sarasota, DeSoto and Highlands counties . as greatest instability and moisture has now been pushed further south across the peninsula. The brisk northeast flow will also usher drier air into the region, albeit only for a few days. This morning's TBW upper-air sounding measured a PW value of around 1.8 inches, while upstream soundings at JAX and CHS measured 1.11 and 0.49 inches, respectively. This afternoon, dewpoints in the vicinity of those stations range from the upper 40s to mid 60s . a tad lower than our current upper 60s to lower 70s across Central and Southwest Florida. Granted, the air mass will modify somewhat while transiting into the peninsula, dewpoints in the mid 60s will likely reach into southern sections of the CWA by Tuesday morning. Tuesday and Wednesday look to be very pleasant with highs in the mid/upper 80s, partly cloudy skies and only slight rain chances. Thursday and Friday will see moisture returning as flow shifts more southerly and the lingering boundary south of the state shifts back north across the eastern Gulf in response to Beta's remnants enhancing a shortwave disturbance moving across the Tennessee Valley. Expect an uptick in rain chances Thursday (20-40 PoPs) before returning to 50-60 PoPs Friday into next week with southeast to east winds across the peninsula during that time. After highs in the mid/upper 80s Tuesday and Wednesday, temps warm slightly to the upper 80s to around 90 for the remainder of the forecast period. Lows will run from the mid 60s to around 70 degrees for the next 2-3 nights before returning to the low/mid 70s to wrap up the work week and into early next week.

MARINE . Poor marine conditions expected into Tuesday as strong northeast winds will persist across the area thanks to interaction between strong high pressure to the north and a frontal boundary to the south. Small Craft Advisory conditions are expected for eastern Gulf waters, including the bays. A Gale Watch remains in effect for offshore areas this afternoon through the evening as frequent wind gusts around 34 knots are possible. Conditions gradually improve Tuesday although winds and seas likely to remain elevated before diminishing further on Wednesday.

FIRE WEATHER . Gusty northeast winds expected across the area for the next few days leading to elevated dispersions and transport winds. Otherwise, no issues expected despite drier air mass filtering into peninsula, with minimum RH values remaining above critical thresholds.

Preliminary Point Temps/PoPs. TPA 71 87 70 88 / 10 10 0 10 FMY 72 88 71 88 / 10 0 0 10 GIF 70 86 68 87 / 10 10 0 10 SRQ 71 88 70 88 / 10 0 0 10 BKV 68 86 67 87 / 10 10 0 10 SPG 72 88 71 88 / 10 0 0 10

TBW WATCHES/WARNINGS/ADVISORIES. FL . Lake Wind Advisory until 10 PM EDT this evening for Coastal Charlotte-Coastal Citrus-Coastal Hernando-Coastal Hillsborough-Coastal Lee-Coastal Manatee-Coastal Pasco- Coastal Sarasota-Inland Lee.

Lake Wind Advisory until 8 PM EDT this evening for DeSoto-Hardee- Highlands-Inland Charlotte-Inland Citrus-Inland Hernando- Inland Hillsborough-Inland Manatee-Inland Pasco-Inland Sarasota-Polk-Sumter.

Wind Advisory until 10 PM EDT this evening for Pinellas.

Gulf waters . Gale Watch until 2 AM EDT Tuesday for Coastal waters from Bonita Beach to Englewood FL out 20 NM-Coastal waters from Englewood to Tarpon Springs FL out 20 NM-Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM-Waters from Bonita Beach to Englewood FL out 20 to 60 NM-Waters from Englewood to Tarpon Springs FL out 20 to 60 NM-Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM.

Small Craft Advisory from 2 AM to 2 PM EDT Tuesday for Waters from Bonita Beach to Englewood FL out 20 to 60 NM-Waters from Englewood to Tarpon Springs FL out 20 to 60 NM-Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM.

Small Craft Advisory from 2 AM to 10 AM EDT Tuesday for Coastal waters from Bonita Beach to Englewood FL out 20 NM-Coastal waters from Englewood to Tarpon Springs FL out 20 NM- Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM.

Small Craft Advisory until 2 AM EDT Tuesday for Charlotte Harbor and Pine Island Sound.

Small Craft Advisory until 10 AM EDT Tuesday for Tampa Bay waters.



UPDATE/AVIATION/MARINE . 25/Davis UPPER AIR . 99 DECISION SUPPORT . 99


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
VENF1 - Venice, FL 36 mi133 min NE 11 G 13 78°F 83°F1017.1 hPa66°F
FMRF1 - 8725520 - Fort Myers, FL 40 mi55 min NE 11 G 16 78°F 83°F1017.2 hPa

Wind History for C-Cut, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Punta Gorda, Charlotte County Airport, FL23 mi20 minNE 810.00 miFair74°F66°F79%1017.6 hPa

Link to 5 minute data for KPGD

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1 day agoN10NE6NE7NE7CalmN3N4NW6N8N9N9N10N6NE8N11N12N10N9N20
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2 days agoN4N4CalmCalmE3CalmCalmCalmNE43E3E5----5N5W7NW5NW4NW4NW6N7NE8NE11

Tide / Current Tables for Shell Point, Peace River, Florida
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Shell Point
Click for Map
Tue -- 01:39 AM EDT     1.26 feet Low Tide
Tue -- 07:08 AM EDT     2.41 feet High Tide
Tue -- 07:16 AM EDT     Sunrise
Tue -- 12:51 PM EDT     Moonrise
Tue -- 03:42 PM EDT     0.14 feet Low Tide
Tue -- 07:23 PM EDT     Sunset
Tue -- 10:27 PM EDT     1.47 feet High Tide
Tue -- 11:40 PM EDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.41.31.31.41.722.32.42.42.21.81.510.70.40.20.20.30.60.91.21.41.51.5

Tide / Current Tables for Punta Gorda, Charlotte Harbor, Florida (2)
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Punta Gorda
Click for Map
Tue -- 12:36 AM EDT     1.15 feet Low Tide
Tue -- 06:22 AM EDT     2.20 feet High Tide
Tue -- 07:17 AM EDT     Sunrise
Tue -- 12:51 PM EDT     Moonrise
Tue -- 02:39 PM EDT     0.13 feet Low Tide
Tue -- 07:24 PM EDT     Sunset
Tue -- 09:41 PM EDT     1.34 feet High Tide
Tue -- 11:40 PM EDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.21.21.31.51.82.12.22.221.71.410.60.30.20.10.30.50.811.21.31.31.3

Weather Map
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wmap_A
GEOS 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
Ground Weather Radar Station Tampa Bay Area, FL
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Gulf Stream Current



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