Wednesday, April25, 2018 L-36.com


Marine Weather and Tides
Jupiter Inlet Colony, FL

Version 3.4
What's New / NOTES
3/3/2018 - There is a new GOES Satellite for the east coast that required rewriting that part of the code. Please report any issues.
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.

Sunrise 6:44AMSunset 7:51PM Wednesday April 25, 2018 9:52 PM EDT (01:52 UTC) Moonrise 2:50PMMoonset 3:06AM Illumination 82% Phase: Waxing Gibbous; Moon at 11 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- 849 Pm Edt Wed Apr 25 2018
Rest of tonight..Along the coast, southwest winds 5 to 10 knots becoming northwest after midnight. In the gulf stream, south southwest winds 5 to 10 knots becoming west northwest 10 to 15 knots after midnight. Seas 2 to 3 feet. Period 5 seconds. Intracoastal waters a light chop.
Thursday..West winds 5 to 10 knots becoming south 10 to 15 knots in the afternoon. Seas around 2 feet. Period 4 seconds. Intracoastal waters a light chop.
Thursday night..West southwest winds 10 to 15 knots. Seas around 2 feet. Period 4 seconds. Intracoastal waters a light chop.
Friday..West southwest winds 5 to 10 knots becoming south southwest 10 to 15 knots in the afternoon. Seas around 2 feet. Period 4 seconds. Intracoastal waters a light chop. A chance of showers.
Friday night..South southwest winds 10 to 15 knots becoming west northwest late in the evening. Seas around 2 feet along the coast and 2 to 3 feet in the gulf stream. Intracoastal waters light chop. A chance of showers.
Saturday..North northeast winds 10 to 15 knots along the coast to north 10 to 15 knots in the gulf stream. Seas less than 2 feet along the coast and 2 to 3 feet in the gulf stream. Intracoastal waters a light chop. A slight chance of showers.
Saturday night and Sunday..East northeast winds 10 to 15 knots. Seas 2 to 3 feet. Intracoastal waters a moderate chop.
Sunday night and Monday..East northeast winds 15 to 20 knots. Seas 3 to 5 feet with occasional seas to 6 feet. Intracoastal waters choppy in exposed areas.
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- 849 Pm Edt Wed Apr 25 2018
Synopsis.. Northwesterly wind will continue to filter into the region this morning behind a departing cold front. Drier conditions and light west-northwest flow is expected into Thursday. Low seas will persist through the end of the week. Chance of showers return to the forecast Friday into the weekend.
Gulf stream hazards..None. The approximate location of the west wall of the gulf stream as of apr 24, 2018 at 1200 utc... 11 nautical miles east northeast of fowey rocks. 10 nautical miles east southeast of port everglades. 14 nautical miles east southeast of lake worth. 11 nautical miles east of jupiter inlet. This data courtesy of the naval oceanographic office.

7 Day Forecast for Marine Location Near Jupiter Inlet Colony, FL
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location: 26.95, -80.07     debug


Area Discussion for - Melbourne, FL
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Fxus62 kmlb 260057
afdmlb
east central florida forecast discussion
national weather service melbourne fl
857 pm edt Wed apr 25 2018

Discussion
Overnight... Light westerly flow will continue into late evening with
most locations decoupling and experiencing light to calm winds after
midnight. Dewpoints a little lower than last night will allow for a
pleasantly cool overnight with lows in the 50s inland and around 60
beaches. The present forecast is in good shape.

Prev disc...

tonight-Thursday... Deep lyr troffing pattern over the ERN conus
will be reinforced by a secondary shortwave pushing acrs the great
plains, resulting in a deep and persistent westerly flow acrs the fl
peninsula. These winds will tap a dry stable airmass over the
gomex... Rap40 analysis shows h100-h70 mean rh values btwn 40-
50pct... H85-h50 values AOB 20pct... H85-h70 lapse rates AOB 4.0c km.

Model soundings indicate pwat values holding steady btwn 0.75"-1.00"
with a sharp subsidence inversion thru the h85-h70 lyr... Consistent
with the nature of the upstream airmass. Fcst will remain dry. Good
radiational cooling tonight as light winds and clear skies allows
the airmass to decouple in the predawn hrs... Min temps near the fcst
dewpoints in the u50s l60s. Warm W SW flow on Thu will combine with
the dry nature of the airmass to push MAX temps into the m u80s
with min rh arnd 40pct.

Friday...

showers and possibly some storms return to the forecast as a
progressive 500-mb shortwave is progged to move across the gulf
coast during the day Friday that will push a cold front through
the area late in the day into Friday night. Forecast soundings
show temperatures aloft quite cool at around -11 c with the
greatest instability during the afternoon and evening south of i-
4. The best lift is also forecast to be south of i-4, but the
overall limiting factor with this system is the amount of
available moisture. Pwats are forecast to MAX out around 1.5".

This should limit overall coverage, but any storm that does get
going has the potential for gusty winds due to some mid-level dry
air and small hail with the cool temperatures aloft.

Highs will be in the low 80s north and mid 80s southern areas where
less cloud cover is expected. Went above guidance on highs
especially along the coast with a stout southwesterly breeze
preventing a sea breeze.

Drier air will begin to filter in north of i-4 late in the day on
Friday behind the front and continue to work its way down the
peninsula overnight Friday. Keeping shower chances into Friday
evening from the CAPE to lake kissimmee southward and a slight
thunder chance for the treasure coast. Enough moisture sticks
around overnight Friday from melbourne southward to keep a slight
chance of showers in the forecast.

Saturday-Wednesday...

the frontal passage Fri night will mainly bring drier air over
the weekend, so MAX temps won't cool much and still be in the
lower-mid 80s. Rather strong (for late april) high pressure is
forecast to build along the eastern seaboard mon-tue, resulting
in a breezy easterly flow developing. Any shower chances along the
leading edge of this surge will be very low. MAX temps early next
week will be in the upper 70s near 80 along the coast and low-mid
80s interior. Min temps will be noticeably milder along the
coast, in the upper 60s and lower 70s, due to the persistent winds
off the ocean.

Aviation Thru 26 18z.

Sfc winds: thru 26 02z... W SW 8-12kts. Btwn 26 02z-26 05z... Bcmg
w NW 3-5kts. Btwn 26 12z-26 15z... Bcmg W SW 7-11kts.

Vsbys wx cigs: prevailingVFR all sites... Thru 26 00z LCL cigs btwn
fl035-050.

Marine
Tonight... Light to gentle S SW breeze veering to W NW by midnight as
the land breeze circulation dvlps. Seas 2-3ft nearshore and 3-4ft
offshore, mainly in a NE swell.

Thu-thu night... Loose pgrad as a weak front approaches from the
west. Light W NW breeze at daybreak backing to a light to gentle
s SE by early aftn as the seabreeze circulation dvlps, then
returning to the W SW by midnight with the land breeze. Winds bcmg a
gentle to moderate breeze in the predawn hrs as the pgrad tightens
ahead of the front. Seas 2-3ft nearshore and 3-4ft offshore.

Friday... South to southwesterly winds around 10 kt can be expected
with 3-4 ft seas. Winds will increase to around 15 kt in the
volusia waters by late afternoon. Shower chances will increase
during the afternoon hours with a few thunderstorms expected.

Weekend-mon... Generally good boating conditions are expected. A
frontal passage Fri night is forecast to produce a brief period of
northwest north winds 10-15 knots then a weakening pressure
gradient is indicated on sat. A reinforcing front is forecast to
slide off the eastern seaboard on Sun with high pressure building
in behind it. However, tightening of the pressure gradient is
shown holding off until Sun night or Monday. Seas mostly 2-3 feet
over the weekend, except up to 4 feet in the gulf stream sat
morning. Northeast-east winds picking up to 15-20 knots Mon and
increasing seas to 3-5 feet.

Fire weather
Thu-fri... A warm west-southwest wind flow will develop Thu ahead
of the next weather system moving through the southeast states,
then continue on fri. Wind speeds will be 10 mph or less Thu and
10-15 mph fri. It will be dry Thu with min rh values 35-40%. A
short period of increased moisture on Fri is forecast with a
slight chance of lightning storms.

Sat-mon... Drying behind a weak front moving through Fri night may
cause min rh values to dip to 30-35 percent sat, but winds look
10 mph or less. Onshore winds are forecast to increase on mon,
with speeds up to 15-20 mph. However, min rh values will rise to
around 40% inland and 50% along the coast.

Mlb watches warnings advisories
Fl... None.

Am... None.

Jp dkw


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
LKWF1 - 8722670 - Lake Worth, FL 23 mi52 min S 11 G 13 76°F 78°F1013.8 hPa (+1.0)66°F
41114 - Fort Pierce, FL (134) 42 mi52 min 76°F3 ft
SPGF1 - Settlement Point, GBI 59 mi52 min SSE 4.1 G 5.1 73°F 1013.5 hPa (+0.5)
PVGF1 - Port Everglades Channel, FL 59 mi52 min SW 5.1 G 11 78°F 1012.3 hPa (-0.0)61°F

Wind History for Lake Worth Pier, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Witham Field Airport, FL18 mi65 minN 07.00 miA Few Clouds77°F59°F54%1012.9 hPa
West Palm Beach - Palm Beach International Airport, FL19 mi59 minS 510.00 miA Few Clouds74°F64°F74%1012.7 hPa

Wind History from SUA (wind in knots)
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Last 24hr----W6W5--NW6W6W5W5W4W6NW10NW10W6--W10W11W12W10W10W10W104Calm
1 day ago----S3CalmS4SW5SW4SW6SW4SW4SW5SW7SW5SW8SW8W7W8
G16
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2 days agoSE10--S9SE6SE6S10SE4SE6SE4SE3S6S6S8S10S12
G17
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SE7SE10S10S6S4S4NE3

Tide / Current Tables for Jupiter Inlet, south jetty, Florida
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Jupiter Inlet
Click for Map
Wed -- 04:06 AM EDT     Moonset
Wed -- 05:33 AM EDT     2.64 feet High Tide
Wed -- 06:46 AM EDT     Sunrise
Wed -- 11:30 AM EDT     0.10 feet Low Tide
Wed -- 03:49 PM EDT     Moonrise
Wed -- 06:02 PM EDT     2.66 feet High Tide
Wed -- 07:49 PM EDT     Sunset
Wed -- 11:58 PM EDT     0.03 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.20.71.21.82.32.62.62.31.71.10.50.10.10.40.91.52.12.52.72.521.40.70.2

Tide / Current Tables for Hobe Sound, Jupiter Island, Florida
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Hobe Sound
Click for Map
Wed -- 01:13 AM EDT     -0.00 feet Low Tide
Wed -- 04:06 AM EDT     Moonset
Wed -- 06:46 AM EDT     Sunrise
Wed -- 06:58 AM EDT     1.84 feet High Tide
Wed -- 01:46 PM EDT     0.02 feet Low Tide
Wed -- 03:49 PM EDT     Moonrise
Wed -- 07:27 PM EDT     1.85 feet High Tide
Wed -- 07:50 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.100.10.40.91.31.71.81.71.51.10.70.30.100.20.71.11.51.81.81.61.30.8

Weather Map and Satellite Images
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wmap_A
GOES 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.
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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Melbourne, FL (21,6,7,8)
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Ground Weather Radar Station Melbourne, 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 numerious 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.