Wednesday, January20, 2021
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Marine Weather and Tides
Jensen Beach, 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 7:09AMSunset 5:54PM Wednesday January 20, 2021 5:17 PM EST (22:17 UTC) Moonrise 11:59AMMoonset 12:03AM Illumination 50% Phase: First Quarter Moon; Moon at 7 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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AMZ555 SEbastian Inlet To Jupiter Inlet 0-20 Nm- 301 Pm Est Wed Jan 20 2021
Tonight..North winds 5 knots becoming northwest after midnight. Seas 2 to 3 feet with a dominant period 5 seconds. Mostly smooth on the intracoastal waters.
Thursday..West winds 5 to 10 knots becoming southwest in the afternoon. Seas 2 to 3 feet with a dominant period 6 seconds. A light chop on the intracoastal waters.
Thursday night..Southwest winds 5 to 10 knots increasing to 10 to 15 knots after midnight. Seas 1 to 2 feet with a dominant period 6 seconds. A light chop on the intracoastal waters.
Friday..Southwest winds 5 to 10 knots. Seas 1 to 2 feet. A light chop on the intracoastal waters.
Friday night..West winds 10 knots. Seas 2 to 3 feet. Mostly smooth on the intracoastal waters.
Saturday..Northwest winds 10 knots becoming north in the afternoon. Seas 2 to 3 feet. A moderate chop on the intracoastal waters.
Saturday night..Northeast winds 10 knots. Seas 2 to 3 feet. Slight chance of showers.
Sunday..East winds 10 to 15 knots. Seas 3 to 5 feet. Slight chance of showers.
Sunday night..Southeast winds 10 to 15 knots. Seas 4 to 5 feet.
Monday..South winds 10 to 15 knots. Seas 4 to 6 feet.
AMZ500 Synopsis For Flagler Beach To Jupiter Inlet Out To 60 Nm- 301 Pm Est Wed Jan 20 2021
Synopsis..A weak cold front will push offshore the georgia and northeast florida coast today as high pressure builds across the local waters tonight through late week. A second weak front will cross the local atlantic waters Saturday. Winds will shift onshore behind the front this weekend, leading to building seas, following favorable conditions for small craft operation today through Friday.
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 Wednesday, january 20th. 42 nautical miles east of ponce inlet. 29 nautical miles east of port canaveral. 24 nautical miles east of sebastian inlet. 15 nautical miles east of fort pierce inlet. 9 nautical miles east of saint lucie inlet.


7 Day Forecast for Marine Location Near Jensen Beach, FL
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location: 27.24, -80.25     debug


Area Discussion for - Melbourne, FL
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FXUS62 KMLB 201956 AFDMLB

Area Forecast Discussion National Weather Service Melbourne FL 256 PM EST Wed Jan 20 2021

DISCUSSION.

Current . Clear to mostly clear skies this afternoon and evening. NW/W winds around 5-10 mph this afternoon will decrease to around 5 mph or less by early evening. A dry airmass remains in place over the region, allowing for no mentionable rain chances this afternoon, with the 11Z XMR soundings confirming dry conditions by showing a considerable dry air layer starting around the 900mb level. Current temperatures are in the low 70s across the CWA.

Tonight-Tomorrow . High pressure ridge will remain over the Florida peninsula, shifting eastward and building towards the Atlantic. Winds will be light and variable through tonight, increasing slightly to around 5-8 mph late tomorrow morning. A dry airmass remains in place with clear to mostly clear skies, resulting in no mentionable rain chances through the time period. With high pressure remaining in control, keeping winds light and skies mostly clear tonight, temps will again fall quickly after sunset. Temps will remain somewhat chilly overnight as lows fall to the mid to upper 40s across much of east central Florida. After a cool morning, temperatures will steadily rise, warming back up to around normal for this time of year. Afternoon highs will be in the mid 70s across the local area.

Friday-Sunday . Flat/zonal flow aloft continues late week into the weekend as a very weak short wave through slides across the SE CONUS/NE Florida on Saturday. A "back door" (W-E oriented) cold front will reach the northern CWA Saturday morning, slowly sag south through the evening, then wash out Sunday as high pressure builds from the SE CONUS into the western Atlantic.

Rain chances have come down with the latest 12Z model guidance, now barely hanging on at 15-20 percent with the frontal passage Friday evening into Saturday. Will continue a slight chance for showers in Volusia County Friday night, but if the front slows any more, then expect no rain Friday night. As the front pushes through on Saturday it could touch off a few showers across central Florida, and the high building in on Sunday could produce a few light marine showers along the coast. Afternoon highs around or just slightly above normal in the 70s, while remaining coolest along the Volusia coast where the shelf waters are in the low 60s. Overnight lows in the upper 50s to around 60 degrees along the immediate coast.

Monday-Wednesday . (Modified Previous Discussion) The ridge aloft over Florida flattens Mon-Tue, with some global models (GFS) keeping flat flow aloft through mid week, while other guidance (ECMWF) shows the ridge rebuilding over the GOMEX and FL. This results in a large disparity in the surface pattern and mid-level pattern, with the ECMWF showing a weak frontal passage on Wednesday, while the GFS moves a front through on Thursday. Due to low confidence, rain chances have been left out of the forecast through mid week. Dry conditions as temperatures soar to well above normal with highs in the upper 70s to low 80s, and morning lows in the low/mid 60s.

Aviation. VFR conditions through the TAF period. Clear to mostly clear skies with N/NW winds up to 5-10 KT this afternoon before becoming light and variable this evening as a high pressure ridge continues to build over the area. Winds will then pick back up to 5-8 KT by the late morning and early afternoon.

Marine. Current . West to northwest winds around 10 KT this afternoon will decrease to around 5KT this evening. Current buoy 41009 observations show seas are around 2 ft with a dominate period of 3 seconds and winds W around 8 KT. Boating conditions improving near the inlets from this morning. Seas will be 2-3 ft this afternoon and evening.

Tonight-Tomorrow . High pressure will continue to build over the Florida region tonight and into tomorrow, lowering wind speeds to 5- 10 KT from the N/NW through tomorrow. Seas will be 2-3 ft across all the waters through the time period.

Friday-Monday . SW/WSW winds at 12-17 knots develop across the waters Friday into early Saturday before a weak front moves through Saturday afternoon. Winds quickly veer NW/N around sunrise Saturday, then N/NNE by Sat afternoon as high pressure builds into the local waters. Winds remain around 15 knots with slightly higher values offshore. By Sunday winds become east at 10-15 knots as high pressure slides over the Carolinas and into the western Atlantic. Seas 2-3 feet on Friday build up to 4 feet offshore on Saturday, then up to 5-6 feet on Sunday.

FIRE WEATHER. Drier air will be reinforced across the area behind passing cold front this morning. Min RH values will fall as low as the low to mid 30s from Orlando area northward, and into the upper 30s/low 40s farther south. However, forecast ERC values and wind speeds (around 10 mph) remain just below criteria for any Red Flag Warnings today.

PRELIMINARY POINT TEMPS/POPS. DAB 47 72 52 73 / 0 0 10 10 MCO 49 75 52 75 / 0 0 0 10 MLB 49 74 52 75 / 0 0 0 0 VRB 48 75 50 76 / 0 0 0 0 LEE 48 73 54 74 / 0 0 10 10 SFB 48 75 53 76 / 0 0 10 10 ORL 51 76 55 76 / 0 0 0 10 FPR 47 75 50 76 / 0 0 0 0

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

Watson/Rodriguez/Spratt/Fehling


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
41114 - Fort Pierce, FL (134) 21 mi22 min 73°F1 ft
SIPF1 44 mi33 min 65°F 65°F1023 hPa
LKWF1 - 8722670 - Lake Worth, FL 45 mi48 min N 8 G 12 69°F 74°F1021.9 hPa55°F
SPGF1 - Settlement Point, GBI 76 mi18 min E 6 G 7 68°F 1022.5 hPa (-1.3)

Wind History for Lake Worth Pier, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Witham Field Airport, FL4 mi30 minN 010.00 miFair68°F46°F46%1022.7 hPa
Fort Pierce, St. Lucie County International Airport, FL19 mi25 minENE 410.00 miFair68°F49°F51%1022.3 hPa

Link to 5 minute data for KSUA

Wind History from SUA (wind in knots)
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Last 24hrN5CalmN4NW6CalmCalmCalmCalmCalmCalmCalmW3W3CalmW7NW7NW7N7N9N7N14NE10NE7Calm
1 day agoCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmNW3NW4NW4NW5NW5NW6N5N7N8N8N7N8N9N5
2 days agoW4W3CalmCalmCalmCalmSW3CalmCalmCalmS3CalmW3W3NW5NW4NW6NW7N7N7N7NE8NE6NE4

Tide / Current Tables for Jensen Beach, Indian River, Florida
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Jensen Beach
Click for Map
Wed -- 12:03 AM EST     Moonset
Wed -- 03:59 AM EST     0.91 feet High Tide
Wed -- 07:10 AM EST     Sunrise
Wed -- 10:30 AM EST     0.32 feet Low Tide
Wed -- 11:58 AM EST     Moonrise
Wed -- 04:03 PM EST     First Quarter
Wed -- 04:08 PM EST     0.91 feet High Tide
Wed -- 05:53 PM EST     Sunset
Wed -- 11:00 PM EST     0.13 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.30.50.70.90.90.90.80.60.50.40.30.30.40.60.70.90.90.90.80.60.40.30.20.1

Tide / Current Tables for Seminole Shores, Florida
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Seminole Shores
Click for Map
Wed -- 12:03 AM EST     Moonset
Wed -- 12:42 AM EST     2.43 feet High Tide
Wed -- 06:52 AM EST     0.44 feet Low Tide
Wed -- 07:10 AM EST     Sunrise
Wed -- 11:58 AM EST     Moonrise
Wed -- 12:51 PM EST     2.45 feet High Tide
Wed -- 04:03 PM EST     First Quarter
Wed -- 05:52 PM EST     Sunset
Wed -- 07:22 PM EST     0.16 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.42.42.21.81.30.90.50.40.611.522.42.52.31.91.40.80.40.20.20.511.6

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

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Ground Weather Radar Station




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The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerous of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.