Tuesday, March31, 2020
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Marine Weather and Tides
Manalapan, FL

Version 3.4
NOTICE
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 7:04AMSunset 7:32PM Tuesday March 31, 2020 12:09 PM EDT (16:09 UTC) Moonrise 10:52AMMoonset 12:05AM Illumination 51% 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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7 Day Forecast for Marine Location Near Manalapan, FL
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location: 26.3, -77.3     debug


Area Discussion for - Miami-South Florida, FL
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FXUS62 KMFL 311420 AFDMFL

Area Forecast Discussion National Weather Service Miami FL 1020 AM EDT Tue Mar 31 2020

Update. Previous forecast appears to be on track. Warm and dry conditions are expected to continue today with southwest flow heating up the eastern portion of the area more today than the past several days. A cold front will push through the area late tonight through Wednesday morning, bringing slightly cooler conditions to the area.

Prev Discussion. /issued 738 AM EDT Tue Mar 31 2020/

Aviation . VFR continues through 01/00Z, then an approaching front may bring MVFR cigs with showers, spreading from west to east starting late tonight. There is a slight of chance for a few thunderstorms after 01/04Z, but confidence remains low enough to keep mention of thunder out of the TAFS for now. Light and variable winds will shift to the SW around 15Z. A few wind gusts may top 25kts this afternoon.

Prev Discussion . /issued 256 AM EDT Tue Mar 31 2020/

Short Term (Today-Wednesday night) .

Consensus in model solutions continues to improve with overall guidance showing a deepening trough/low complex over the SE CONUS sending a frontal boundary trekking south through the FL Peninsula and reaching SoFlo early Wednesday. In response, the high pressure aloft will erode and sink SW while the sfc ridge from the past week or so will finally be pushed eastward and into the west Atlantic. Winds will also keep veering to a more W/NW flow through Wednesday with the FROPA, bringing increasing low level moisture and enhanced BL instability across the area. Therefore, expect an increase in rain chances this evening and into Wednesday morning, but with highest POPS still remaining in the 30-40 percent so far.

Models clearly keep the best dynamic support well to the north of SoFlo, thus, widespread/significant coverage of thunderstorms is not anticipated at this time. But a few storms are certainly possible, especially during the late morning hours on Wednesday.

Confidence in timing of the FROPA has improved enough to feel comfortable with decreasing POPS to single digits for Wednesday evening as model solutions show the front already pushing into the Florida Keys. Drier, cooler and more stable air begins advecting into SoFlo in the wake of the FROPA with overnight lows Wed into Thu dropping into the mid 50s across interior sections to the upper 60s east coast metro areas.

Long Term .

Thursday through Monday .

Drier and slightly cooler air remains across South Florida for much of the extended period as high pressure nestles into the eastern CONUS. Aloft, the pattern will be zonal through the remainder of the week with a weak mid-upper level ridge developing over the southeast early this weekend. This should help keep the region dry for the first half of the weekend before a weak impulse approaches the area from the Gulf of Mexico. While, models have backed off on intensity of this mid-level perturbation from previous runs, measly PoP values remain in the forecast for the latter half of the weekend and early next week.

Daytime temperatures through the period will generally range from around 80 over the east coast metro areas to the upper 80s across the interior sections each afternoon. Overnight, temperatures will start the period in the upper 50s west of the lake and 60s elsewhere before gradually increasing to lower 70s along the east coast and 60s elsewhere by the end of the weekend and into early next week.

Marine .

A high pressure ridge will shift south Today as a cold front moves through the waters tonight into Wednesday, veering winds to the W/NW. Conditions will deteriorate but now enough to reach advisory criteria. But the evolution of the weather scenario will be closely monitored in case winds and/or seas become hazardous for boaters. But no headlines are expected at this time.

Fire Weather .

Elevated fire weather conditions are forecast across much of South Florida today. Unseasonably warm temperatures, low relative humidity, breezy SW transport winds, and dry fuels will lead to an elevated threat for fire weather over the interior and Lake Region this afternoon.

Preliminary Point Temps/PoPs. West Palm Beach 89 71 82 64 / 0 20 20 0 Fort Lauderdale 88 73 84 67 / 0 20 20 0 Miami 89 73 86 66 / 0 20 20 0 Naples 84 71 80 60 / 0 50 20 0

MFL WATCHES/WARNINGS/ADVISORIES. FL . None. AM . None. GM . None.

Update . 32/MM


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SPGF1 - Settlement Point, GBI 94 mi70 min SW 15 G 16 78°F 1013.9 hPa (-0.5)

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Boca Raton, Boca Raton Airport, FL149 mi23 minWSW 10 G 1810.00 miPartly Cloudy86°F64°F49%1013.2 hPa

Link to 5 minute data for KBCT

Wind History from BCT (wind in knots)
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Last 24hrSE10SE8SE10SE10SE10SE10SE5SE5SE5S5S7--------------SW4W5SW6SW10SW12
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1 day ago--S12S10S8
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SE8SE10SE5SE5SE5SE5--------------SW6S3S5S3S6S5
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SE10SE10E4S8--------------SE5SE5SE9SE10SE9--

Tide / Current Tables for Pelican Harbour, Abaco Island, Bahamas
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Pelican Harbour
Click for Map
Tue -- 01:04 AM EDT     Moonset
Tue -- 01:19 AM EDT     3.35 feet High Tide
Tue -- 06:59 AM EDT     Sunrise
Tue -- 07:55 AM EDT     1.24 feet Low Tide
Tue -- 11:50 AM EDT     Moonrise
Tue -- 01:48 PM EDT     2.93 feet High Tide
Tue -- 07:24 PM EDT     Sunset
Tue -- 07:52 PM EDT     1.13 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.13.33.332.62.11.61.31.21.41.72.12.62.82.92.82.421.51.21.11.31.72.2

Tide / Current Tables for Nassau, New Providence Island, Bahamas
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Nassau
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Tue -- 01:02 AM EDT     Moonset
Tue -- 01:06 AM EDT     3.06 feet High Tide
Tue -- 07:01 AM EDT     Sunrise
Tue -- 07:29 AM EDT     0.92 feet Low Tide
Tue -- 11:54 AM EDT     Moonrise
Tue -- 01:27 PM EDT     2.51 feet High Tide
Tue -- 07:25 PM EDT     Sunset
Tue -- 07:26 PM EDT     0.84 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.93.132.62.21.61.20.90.91.21.522.32.52.52.31.91.51.10.90.91.11.62.1

Weather Map
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wmap_A
GEOS Local Image of Southeast    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
Wind Forecast for Miami-South Florida, FL (12,3,4,5)
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Ground Weather Radar Station Miami, FL
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Disclaimer:
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.