Wednesday, April21, 2021
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Marine Weather and Tides
St. Cloud, 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 6:52AMSunset 7:55PM Wednesday April 21, 2021 6:52 AM EDT (10:52 UTC) Moonrise 1:15PMMoonset 2:23AM Illumination 70% Phase: Waxing Gibbous; Moon at 9 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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AMZ552 Volusia-brevard County Line To Sebastian Inlet 0-20 Nm- 345 Am Edt Wed Apr 21 2021
Today..Northwest winds 10 to 15 knots becoming north 5 to 10 knots in the late morning and early afternoon, then becoming east late in the afternoon. Seas 2 feet with a dominant period 7 seconds. A moderate chop on the intracoastal waters.
Tonight..West winds 10 to 15 knots becoming north 15 to 20 knots after midnight. Seas 3 to 4 feet with a dominant period 7 seconds. Choppy on the intracoastal waters.
Thursday..North winds 15 to 20 knots becoming northeast 10 to 15 knots in the afternoon. Seas 3 to 5 feet with a dominant period 7 seconds. Choppy on the intracoastal waters.
Thursday night..East winds 10 to 15 knots. Seas 3 to 5 feet. A light chop on the intracoastal waters.
Friday..East winds 10 to 15 knots. Seas 3 to 4 feet. A moderate chop on the intracoastal waters.
Friday night..Southeast winds 15 to 20 knots. Seas 3 to 4 feet.
Saturday..South winds 15 to 20 knots. Seas 3 to 5 feet. Chance of showers and slight chance of Thunderstorms.
Saturday night..Southwest winds 10 to 15 knots. Seas 3 to 4 feet. Chance of showers and slight chance of Thunderstorms.
Sunday..West winds 10 to 15 knots becoming north in the afternoon. Seas 2 to 3 feet. Chance of showers and slight chance of Thunderstorms.
AMZ500 Synopsis For Flagler Beach To Jupiter Inlet Out To 60 Nm- 345 Am Edt Wed Apr 21 2021
Synopsis..A stalled cool front over central florida will sag into south florida by late afternoon, with showers and a few Thunderstorms ahead of the boundary ending by Sunset. A brief surge in north to northeast winds will create poor boating conditions offshore tonight through Thursday afternoon. Winds and seas will subside slightly Thursday night into Friday. Increasing southeast to south winds Friday night and Saturday will produce poor to hazardous boating conditions ahead of the next cool front.
Gulf stream hazards..None. The approximate location of the west wall of the gulf stream based on the real time ocean forecast system as of Tuesday, april 20th. 40 nautical miles east of ponce inlet. 31 nautical miles east of port canaveral. 26 nautical miles east of sebastian inlet. 17 nautical miles east of fort pierce inlet. 10 nautical miles east of saint lucie inlet.


7 Day Forecast for Marine Location Near St. Cloud, FL
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location: 28.1, -81.22     debug


Area Discussion for - Melbourne, FL
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FXUS62 KMLB 210744 AFDMLB

Area Forecast Discussion National Weather Service Melbourne FL 345 AM EDT Wed Apr 21 2021

DISCUSSION.

. Turning Drier Through the End of the Work Week .

This Morning . The stationary frontal boundary is being analyzed from approximately Port Charlotte to Fort Pierce early this morning. The northern extent of the broad frontal zone is around Daytona Beach to Leesburg, where a line of showers has developed. These showers will continue for another 1-2 hours before dissipating. Widespread cloudiness continues. Models indicate isolated to scattered showers could redevelop before sunrise, mainly south of a line from Sarasota to Melbourne. The highest rain chances this morning is along and south of those areas at 30-50 percent, which diminishes to 20 percent north of I-4. Brief heavy downpours and frequent lightning strikes are possible with this initial surge of activity this morning, with the lightning threat limited to the Treasure Coast and Okeechobee County.

RAP analysis indicates the leading edge of a drier airmass (associated with a dry cold front) stretching from Cedar Key to just west of Jacksonville. This dry air will make its way into our area this morning as conditions clear out along and north of I-4 by mid morning, then clear along the Space Coast by around noon.

Today . The cold front and dry air will take time to work through the Treasure Coast, pushing south of Martin County by the mid to late afternoon. This provides a window in the early to mid afternoon for additional showers and isolated lightning storms to develop. The main threats continue to be heavy downpours and frequent lightning strikes. Expect most, if not all, shower activity to clear our area by 4-5 PM. Afternoon temps are forecast to reach the low to mid 80s.

Tonight . Clear night ahead as winds veer north and increase a bit, especially along the coast where it could get breezy late. Cooler air behind the front tonight drops temps into the mid to upper 50s, except low 60s along the immediate Space and Treasure Coasts. This is likely to be one of the last surges of cooler air this dry season.

Thursday-Friday . Zonal flow/dry weather will prevail across ECFL through the end of the work week as the post-frontal surface high pressure ridge builds east from the SE CONUS into the western Atlantic. Breezy NE winds Thu morning will subside as they veer to east Thu night and SE Fri-Fri night. Max temps Thu range from U70s interior north to L80s south, and L-M70s for Volusia Co, with mins in the U50s-L60s. For Fri, Maxes near 80F-L80s for all but coastal Volusia/north Brevard (U70s), mins in the 60s.

This Weekend . A progressive short wave trough moving across the central and eastern CONUS will support an intensifying surface low which moves from the central MS Valley to the PA/NJ Sun morning, then offshore the the NY Metro area/New England through Sun night. Increasing southerly flow will draw moisture northward across FL, supporting scattered showers and a few storms, mainly during the afternoon and evening. Diurnal showers or an isolated TS may redevelop Sun along/ahead of the front through early afternoon, mainly south. Precip should end/move offshore the Treasure Coast around sunset. Hot Sat with U80s maxes areawide and mins in the U60s. Not quite as hot Sun with M80s north/U80s south (80s for Volusia Co) and mins in the L60s.

Monday-Tuesday . Dry/seasonable to start off next week as post- frontal high pressure settles offshore the SE CONUS. Maxes in the L- M80s with mins in the L-M60s.

AVIATION. Low stratus and shallow ground fog have developed early this morning, producing periods of MVFR conditions at affected terminals. These low clouds will push south into this afternoon, as a weak cold front moves through the FL peninsula. Conditions clear out from ISM to TIX northward by 14-15Z, and clear MLB by 16Z. Showers and storms expected from VRB-SUA this morning, then lingering showers and low clouds until the front passes through by 20-21Z.

MARINE. Today-Tonight . A weak cold front will cross the local waters today into tonight, ushering in drier conditions. Although, showers and storms expected south of Sebastian Inlet through the mid afternoon. Variable winds around 10 knots today become northwest late this evening. A brief period of near-hazardous conditions is possible after midnight tonight as NNW winds increase to 20 knots, before diminishing to 15-20 knots by sunrise Thursday. Seas quickly build to 5-6 feet after midnight as the winds increase. Small craft should exercise caution tonight, and if winds continue to trend upwards today a Small Craft Advisory may be needed.

Thursday-Sunday . Post-frontal N-NE wind surge accompanied by 6ft seas well offshore will continue into the afternoon. Seas subside Thu night as high pressure builds SE into the local waters, causing winds to slacken as they veer ENE-E. Winds will veer to SE late Fri, increase some by Fri night, then strengthen further as flow veers to south Sat and SW Sat night. Seas could briefly reach 6ft well offshore again by that time, otherwise seas generally 3-4ft near shore and 4-5ft offshore.

FIRE WEATHER. Today . Scattered showers/few early afternoon TS will be confined to the southern CWA as a cool front sags into SOFL before sunset. Drier air pushing into central Florida today will drop min RH values into the L-M30s for the interior north and U30s-L40s across the rest of the area. These lower RH values will occur where heavy rainfall has producing significant ground wetting over the past 2-3 days.

Friday . Dry weather continues with min RH values U30s-L40s across the interior north and central as winds veer NE.

PRELIMINARY POINT TEMPS/POPS. DAB 84 57 73 58 / 0 0 0 0 MCO 84 58 79 59 / 0 0 0 0 MLB 84 62 78 63 / 10 0 0 0 VRB 86 60 80 63 / 30 0 0 0 LEE 83 56 78 58 / 0 0 0 0 SFB 85 58 77 58 / 0 0 0 0 ORL 85 60 80 61 / 0 0 0 0 FPR 85 60 81 63 / 40 0 0 0

MLB WATCHES/WARNINGS/ADVISORIES. FL . None. AM . None.

Rodriguez/Cristaldi


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
TRDF1 - 8721604 - Trident Pier, FL 40 mi52 min SW 1.9 G 2.9 71°F 75°F1015.3 hPa (+0.8)
41113 - Cape Canaveral Nearshore, FL (143) 42 mi56 min 74°F1 ft
SIPF1 44 mi22 min 71°F 71°F1015 hPa
41009 - CANAVERAL 20 NM East of Cape Canaveral, FL 62 mi32 min 7.8 G 9.7 75°F1013.7 hPa
TPAF1 - 8726694 - TPA Cruise Terminal 2, Tampa, FL 65 mi58 min WNW 2.9 G 8

Wind History for Trident Pier, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Kissimmee Gateway Airport, FL17 mi56 minSW 38.00 miOvercast70°F70°F100%1015.1 hPa
Orlando International Airport, FL23 mi59 minWSW 410.00 miOvercast71°F69°F94%1014.2 hPa

Link to 5 minute data for KISM

Wind History from ISM (wind in knots)
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Last 24hrE7SE4E3E4NE3S4S8NE8NW6N7N8N5N4NE5NE4CalmCalmCalmCalmS3W3CalmCalmSW3
1 day agoSW5SW4CalmW6NW5N7N6N11
G16
6N74N3CalmCalmCalmCalmNE3CalmNE3E6E5CalmNE4NE5
2 days agoSW4SW6S5SW7SW7SW8W11NE8N75E4NE4E7S3NW3CalmN3NW5S5SW3W5CalmS4Calm

Tide / Current Tables for Canova Beach, Florida
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Canova Beach
Click for Map
Wed -- 03:20 AM EDT     Moonset
Wed -- 03:24 AM EDT     3.10 feet High Tide
Wed -- 06:50 AM EDT     Sunrise
Wed -- 09:45 AM EDT     0.76 feet Low Tide
Wed -- 02:12 PM EDT     Moonrise
Wed -- 03:42 PM EDT     3.01 feet High Tide
Wed -- 07:51 PM EDT     Sunset
Wed -- 10:08 PM EDT     0.43 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.72.32.83.132.72.31.71.20.80.811.522.62.932.82.31.71.10.60.40.6

Tide / Current Tables for Patrick Air Force Base, Florida
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Patrick Air Force Base
Click for Map
Wed -- 03:13 AM EDT     3.14 feet High Tide
Wed -- 03:20 AM EDT     Moonset
Wed -- 06:50 AM EDT     Sunrise
Wed -- 09:33 AM EDT     0.72 feet Low Tide
Wed -- 02:12 PM EDT     Moonrise
Wed -- 03:31 PM EDT     3.06 feet High Tide
Wed -- 07:51 PM EDT     Sunset
Wed -- 09:56 PM EDT     0.41 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.82.42.93.13.12.72.21.61.10.80.811.62.22.7332.72.21.610.60.40.6

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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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