Monday, May10, 2021
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Marine Weather and Tides
Boynton Beach, 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 6:34AMSunset 7:58PM Monday May 10, 2021 5:38 PM EDT (21:38 UTC) Moonrise 5:02AMMoonset 6:10PM Illumination 1% Phase: New Moon; Moon at 29 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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AMZ650 Coastal Waters From Jupiter Inlet To Deerfield Beach Fl Out 20 Nm- Waters From Jupiter Inlet To Deerfield Beach Fl From 20 To 60 Nm- 404 Pm Edt Mon May 10 2021
Tonight..South southeast winds 5 to 10 knots. Seas around 2 feet. Period 4 seconds. Intracoastal waters a light chop. Slight chance of showers and Thunderstorms after midnight.
Tuesday..Southeast winds 5 to 10 knots. Seas less than 2 feet. Period 4 seconds. Intracoastal waters a light chop. Slight chance of showers in the morning.
Tuesday night..Southeast winds 5 to 10 knots. Seas around 2 feet. Period 3 seconds. Intracoastal waters a light chop.
Wednesday..Southeast winds 5 to 10 knots. Seas less than 2 feet. Period 4 seconds. Intracoastal waters a light chop. Chance of showers and Thunderstorms in the afternoon.
Wednesday night..Southeast winds 5 to 10 knots. Seas less than 2 feet. Intracoastal waters a light chop. Showers likely and chance of Thunderstorms in the evening, then chance of showers and slight chance of Thunderstorms after midnight.
Thursday..East southeast winds 5 to 10 knots. Seas around 2 feet. Intracoastal waters a light chop. Chance of showers and slight chance of Thunderstorms in the morning, then showers likely and chance of Thunderstorms in the afternoon.
Thursday night..East northeast winds 5 to 10 knots. Seas 2 to 3 feet along the coast and 3 to 5 feet with occasional to 6 feet in the gulf stream. Intracoastal waters a light chop. Showers likely and chance of Thunderstorms in the evening, then chance of showers and slight chance of Thunderstorms after midnight.
Friday..North winds 5 to 10 knots. Seas 2 to 4 feet with occasional seas to 5 feet along the coast and 4 to 6 feet with occasional to 8 feet in the gulf stream. Intracoastal waters a light chop. Chance of showers and slight chance of Thunderstorms in the morning, then showers likely and chance of Thunderstorms in the afternoon.
Friday night..North northeast winds around 10 knots. In the gulf stream, gusts up to 20 knots after midnight. Seas 3 to 5 feet with occasional seas to 6 feet. Intracoastal waters a light chop. Chance of showers and slight chance of Thunderstorms.
Saturday..Northeast winds 10 to 15 knots. Seas 2 to 4 feet with occasional seas to 5 feet along the coast and 4 to 6 feet with occasional to 8 feet in the gulf stream. Intracoastal waters a moderate chop. Chance of showers. Slight chance of Thunderstorms in the afternoon.
AMZ600 Synopsis For Jupiter Inlet To Ocean Reef Fl Out To 60 Nm And For East Cape Sable To Bonita Beach Fl Out To 60 Nm- 403 Pm Edt Mon May 10 2021
Synopsis.. High pressure centered over the western atlantic waters will continue to support light to moderate easterly to southeasterly winds across the south florida waters through the week. Scattered showers and a few Thunderstorms will be possible, especially during the overnight and morning hours across the atlantic waters. Shower and Thunderstorm chances will increase by mid to late week, especially across the atlantic waters where locally gusty winds and rough seas will be possible.
Gulf stream hazards..None. The approximate location of the west wall of the gulf stream as of may 08, 2021 at 1200 utc... 13 nautical miles east of fowey rocks. 18 nautical miles east of port everglades. 11 nautical miles east northeast of lake worth. 11 nautical miles northeast of jupiter inlet. This data courtesy of the naval oceanographic office.


7 Day Forecast for Marine Location Near Boynton Beach, FL
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location: 26.54, -80.07     debug


Area Discussion for - Miami-South Florida, FL
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FXUS62 KMFL 101903 AFDMFL

Area Forecast Discussion National Weather Service Miami FL 303 PM EDT Mon May 10 2021

SHORT TERM.

Today and Tuesday .

Quasi-zonal flow will prevail across the eastern CONUS today with mid-level ridging centered over the Yucatan Peninsula. By Tuesday the ridge will migrate towards the northern Caribbean Sea as light west to southwest flow evolves aloft. Surface high pressure will remain zonally elongated along 30N however with a tendency for weakening along its western periphery (over our area) with time. The most notable change with the weakening low level ridge is a gradual decrease in wind speeds during the short term forecast period. This will allow for sea breeze development along both coasts with collisions taking place for afternoon/early evening storms each day over the interior each afternoon. Light southeasterly low-level flow will maintain decent lower tropospheric moisture today, with precipitable water (PW) values around 1.4 to 1.5 inches. These values should increase slightly into Tuesday in association with a poleward push of better moisture from the Caribbean. Seasonally warm temperatures will prevail with highs in the upper 80s/lower 90s and lows in the upper 60s to upper 70s. As such (and appropriately enough considering the calendar date) this should result in a wet-season like pattern with nocturnal/AM Atlantic/east coast showers and storms followed by an inland progression during the afternoon. The light south-southeast low level flow suggests that interior areas and the Lake Okeechobee/Palm Beach regions will be favored for storms during the late afternoons and evenings. The primary thunderstorm hazards today will be lightning, gusty winds, and heavy rainfall which could result in localized urban/street flooding if a storm parks over a poorly draining location for a long enough time.

LONG TERM. Tuesday evening through Sunday night .

Overall, 500mb flow looks fairly zonal over the area through Wednesday morning. There may be some weak shortwaves that move through, but no substantial ridging or troughing through the period. Also, at the surface, a Bermuda high continues to control the surface flow.

However, the surface ridge is not forecast to be as strong as it has been, which may allow for more of a wet season type of pattern to emerge this week. Definitely looks to be a transition type of pattern, with the main triggers this week being diurnal heating and the sea/lake breezes. This makes it very difficult to pinpoint a specific area, therefore have chance of convection across most of the area in the forecast. However, the sea breezes look to be fairly weak, and convection should not be too strong. This would leave the main concern as urban flooding, if convective cells set up over the metro areas.

By late Wednesday, a 500mb trough approaches the area. This should induce the development of weak low pressure at the surface for the overnight hours. Also, an area of moisture is progged to advect into the region. All this looks to add up for enhanced chances of convective activity for Wednesday night across the entire peninsula.

By Thursday, the GFS and the ECMWF both show cyclogenesis finally occurs just to our northeast, and a cold front forms near the area, which keeps the chances for convection going through the day and into Thursday evening. While strong thunderstorms are always a concern this time of year, the prolonged chances of rain may result in a concern for some flooding, especially in the east coast metro areas of South Florida. It is still very early, and the forecast could change drastically, it is definitely something to watch for.

The cold front should slowly push through, taking a couple days to clear the area. Models show by Saturday night/Sunday morning, the front should be just to the south, but close enough to keep a mention of showers and thunderstorms in the forecast for the weekend.

AVIATION(18Z TAFS).

TSRA around PBI should continue in the short term, otherwise the main rain/storm focus should gradually shift towards interior areas this afternoon. Winds generally from the SE, with the exception of KAPF where the gulf breeze has turned winds onshore, and at KPBI where a thunderstorm has switched winds around from the SW. Quieter weather overnight with shower chances again possible at the eastern terminals by early tomorrow morning.

MARINE.

High pressure will remain centered over the Atlantic waters with gentle to moderate southeasterly breezes around this feature through mid week. Scattered showers and thunderstorms should occur with the best morning chances over the Atlantic waters and afternoon chances for Lake Okeechobee. Outside of the usual thunderstorm-related hazards generally benign boating conditions are expected through mid week.

BEACHES.

A moderate rip current risk continues for the Atlantic beaches today. This risk will gradually decrease through mid week as wind speeds decrease.

PRELIMINARY POINT TEMPS/POPS. Miami 77 90 77 90 / 20 20 10 30 West Kendall 74 91 75 92 / 30 30 10 30 Opa-Locka 74 90 77 90 / 20 20 10 30 Homestead 74 89 75 89 / 30 30 10 20 Fort Lauderdale 77 88 77 89 / 10 10 10 30 N Ft Lauderdale 76 88 76 88 / 20 10 10 30 Pembroke Pines 74 90 77 90 / 10 10 10 30 West Palm Beach 74 89 75 88 / 20 20 20 40 Boca Raton 75 89 76 89 / 20 10 10 30 Naples 74 91 74 90 / 10 20 20 20

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

Tonight/Tuesday and Aviation/Marine . SPM Tuesday Night through Monday . 13

Visit us at weather.gov/miami

Follow us on Facebook and Twitter at: www.facebook.com/nwsmiami www.twitter.com/nwsmiami


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
LKWF1 - 8722670 - Lake Worth, FL 5 mi69 min SSE 12 G 13 81°F 82°F1016.4 hPa72°F
PEGF1 31 mi69 min SE 13 G 16 83°F 1017.1 hPa
VAKF1 - 8723214 - Virginia Key, FL 56 mi69 min SE 8.9 G 12 82°F 86°F1017.6 hPa

Wind History for Lake Worth Pier, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
West Palm Beach - Palm Beach International Airport, FL10 mi46 minSSE 1310.00 miMostly Cloudy87°F72°F61%1017 hPa
Boca Raton, Boca Raton Airport, FL11 mi46 minS 10 G 1810.00 miPartly Cloudy84°F73°F70%1016.9 hPa
Pompano Beach, Pompano Beach Airpark, FL20 mi46 minS 910.00 miA Few Clouds82°F72°F72%1017 hPa
Fort Lauderdale, Fort Lauderdale Executive Airport, FL24 mi46 minSE 1110.00 miPartly Cloudy83°F72°F70%1017 hPa

Link to 5 minute data for KPBI

Wind History from PBI (wind in knots)
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1 day agoE12E11E11E9E9E10E10E11E11E7E7SE7E9E9SE14E14E18E16SE15
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2 days agoNE14
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Tide / Current Tables for Ocean Ridge, ICWW, Florida
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Ocean Ridge
Click for Map
Mon -- 04:26 AM EDT     0.28 feet Low Tide
Mon -- 06:01 AM EDT     Moonrise
Mon -- 06:35 AM EDT     Sunrise
Mon -- 09:49 AM EDT     2.55 feet High Tide
Mon -- 04:36 PM EDT     -0.07 feet Low Tide
Mon -- 07:09 PM EDT     Moonset
Mon -- 07:57 PM EDT     Sunset
Mon -- 10:22 PM EDT     2.74 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.11.510.60.30.30.71.322.42.52.41.91.40.80.3-0-00.311.72.42.72.7

Tide / Current Tables for South Delray Beach, ICWW, Florida
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South Delray Beach
Click for Map
Mon -- 04:13 AM EDT     0.30 feet Low Tide
Mon -- 06:01 AM EDT     Moonrise
Mon -- 06:36 AM EDT     Sunrise
Mon -- 09:52 AM EDT     2.52 feet High Tide
Mon -- 04:23 PM EDT     -0.08 feet Low Tide
Mon -- 07:09 PM EDT     Moonset
Mon -- 07:57 PM EDT     Sunset
Mon -- 10:25 PM EDT     2.72 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.11.50.90.50.30.40.81.422.42.52.31.91.30.70.2-0.1-00.411.72.42.72.7

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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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