Tuesday, September26, 2017 L-36.com


Marine Weather and Tides
Sewall's Point, FL

Version 3.4
What's New / NOTES
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.
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.

Sunrise 7:10AMSunset 7:13PM Tuesday September 26, 2017 8:51 AM EDT (12:51 UTC) Moonrise 11:49AMMoonset 10:49PM Illumination 33% Phase: Waxing Crescent; Moon at 6 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- 341 Am Edt Tue Sep 26 2017
.small craft advisory for hazardous seas in effect through Wednesday morning...
Today..West winds 5 knots becoming southeast 5 to 10 knots in the afternoon. Seas 6 to 8 feet with a dominant period 12 seconds. A light chop on the intracoastal waters. Slight chance of showers.
Tonight..South winds 10 to 15 knots becoming west 5 to 10 knots after midnight. Seas 5 to 7 feet with a dominant period 12 seconds. A light chop on the intracoastal waters. Slight chance of showers.
Wednesday..Northwest winds 5 to 10 knots becoming east in the afternoon. Seas 4 to 6 feet with a dominant period 11 seconds. A light chop on the intracoastal waters. Slight chance of showers in the afternoon.
Wednesday night..South winds 5 to 10 knots becoming southwest after midnight. Seas 3 to 5 feet. Mostly smooth on the intracoastal waters. Slight chance of showers.
Thursday..Southwest winds 5 knots becoming east 5 to 10 knots in the afternoon. Seas 3 to 4 feet. A light chop on the intracoastal waters. Slight chance of showers and Thunderstorms in the afternoon.
Thursday night..South winds 5 to 10 knots. Seas 3 to 5 feet. Slight chance of showers and Thunderstorms.
Friday..Southeast winds 5 to 10 knots. Seas 3 to 5 feet. Chance of showers and Thunderstorms.
Friday night..Southeast winds 5 to 10 knots. Seas 3 to 4 feet. Chance of showers and slight chance of Thunderstorms.
Saturday..Northeast winds 5 knots. Seas 3 to 4 feet. Chance of showers and Thunderstorms.
AMZ500 Synopsis For Flagler Beach To Jupiter Inlet Out To 60 Nm- 341 Am Edt Tue Sep 26 2017
Synopsis..Hazardous conditions for small craft operation continue during the day as swells from hurricane maria move into the east central florida waters. SWells will gradually subside while winds remain rather light through the mid to late week.
Gulf stream hazards..SEas 7 to 9 feet through today. The approximate location of the west wall of the gulf stream based on the real time ocean forecast system as of Monday september 25th. 43 nautical miles east of ponce inlet. 30 nautical miles east of port canaveral. 25 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 Sewall's Point, FL
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location: 27.21, -80.18     debug


Area Discussion for - Melbourne, FL
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Fxus62 kmlb 260749 cca
afdmlb
area forecast discussion... Correct paragraph 3
national weather service melbourne fl
348 am edt Tue sep 26 2017

Discussion
The local map features a very light gradient with a sfc col
analyzed over central fl this am. Deeper moisture remains confined
over S fl, south of a weak sfc trough from near lake okee to N of
grand bahama. Some light marine showers near this feature will
remain into today. Mentionable rain chcs will remain isold over
the SRN forecast area as forcing appears only modest at best
during the heat of the day due to marginal sb instability and
boundary interactions setting up during the aftn. GFS mos guid has
been a little on the high side the past couple days and have
undercut this by a category.

Temps will warm into the l-m90s across inland sites with u80s
along the immediate cst. A few lingering evening showers wl remain
possible across the treasure cst and lake okee regions where
better moisture in the presence of the decaying boundary remain
in place. Lows will fall into the 70s.

A rip current statement will be in effect once again today through
the daylight hours due to swell from distant hurricane maria.

Wednesday-Thursday... Most areas expected to remain dry during the
middle of the week; however, a tight moisture gradient will exist
across south florida, close enough to warrant a low chance (20%) for
afternoon and early evening showers across okeechobee county and the
treasure coast. Ample sunshine will allow high temperatures to climb
several degrees above their late september averages, even along the
coast where light westerly flow will warm temps to 90-92 before the
sea breeze provides some mid late afternoon relief. Would not be
surprised to see a few sites flirt with their record highs given the
latest MOS numbers.

Friday-Monday... A cold front will push through the southeast late
this week, weakening as it approaches north florida by Saturday.

Guidance indicates a surface trough or closed low developing
offshore, though there exists considerable model spread as to both
the strength and placement of the feature. Regardless, a period of
building onshore flow is advertised this weekend with steadily
increasing moisture and pops. Have capped precipitation chances at
50%, though this may need to be adjusted upward should the
trough low move over the area. Increased cloud cover and developing
maritime flow will drop temperatures from their mid-week highs with
mid-80s (coast) & upper-80s (inland) expected.

Aviation
Vfr conds will be primary with isold shra and MVFR conds ascd
with isold shra mainly along the coast this morning S of kmlb-ksua
through 26 17z then isold shra and spreading to both inland and
coastal sites fm 26 17z-26 23z. BecmgVFR areawide aft 27 02z.

Marine
Today and tonight... Lingering long period swell will pose hazards
for small craft with sig waves of 5-7ft mainly ascd with swell
near the coast and 7-9ft offshore today. Breaking waves will
present additional hazards near jetties and inlets. Headlines for
advisory will shift to the outer and gulf stream segments by
tonight with caution nearshore later today and into tonight.

Wed-sat... Long-period swells from hurricane maria will be slow to
subside from mid to late week. Seas 4-6 feet Wednesday will lower to
3-5 feet through the remainder of the period. Weak pressure gradient
remains in place through Friday with winds at or below 10 knots.

Onshore winds begin to increase on Saturday. Abnormally dry air will
keep precipitation chances quite low through at least Thursday,
before scattered lightning storms return to the forecast late this
week.

Hydrology
A river flood warning remains in effect for the st johns river
near cocoa, above lake harney near geneva, near sanford, near
deland and at astor.

River levels remain high over the middle st johns river basin,
with all forecast points above flood stage. The river stage near
cocoa, and above lake harney near geneva will begin a gradual
decline through the end of this week. The river stage near
sanford, near de land, and at astor are forecast to remain steady
with some very gradual decline from the middle to through the end
of this week.

Preliminary point temps pops
Dab 90 73 91 73 10 10 10 10
mco 94 74 94 74 10 10 10 10
mlb 90 74 91 75 20 10 10 10
vrb 90 72 91 74 20 20 20 10
lee 94 73 94 74 10 10 10 10
sfb 94 74 94 74 10 10 10 10
orl 94 75 94 74 10 10 10 10
fpr 90 72 91 74 20 20 20 10

Mlb watches warnings advisories
Fl... None.

Am... Small craft advisory for hazardous seas until 10 pm edt this
evening for flagler beach to volusia-brevard county line 0-
20 nm-volusia-brevard county line to sebastian inlet 0-20
nm.

Small craft advisory for hazardous seas until 11 am edt
Wednesday for flagler beach to volusia-brevard county line
20-60 nm-sebastian inlet to jupiter inlet 0-20 nm-sebastian
inlet to jupiter inlet 20-60 nm-volusia-brevard county line
to sebastian inlet 20-60 nm.

Short term... Pendergrast
long term... .Ulrich


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
41114 - Fort Pierce, FL (134) 24 mi82 min 83°F6 ft
LKWF1 - 8722670 - Lake Worth, FL 42 mi52 min SW 2.9 G 5.1 80°F 85°F1014 hPa (+2.0)76°F
SPGF1 - Settlement Point, GBI 72 mi52 min WNW 8 G 8.9 83°F 1012.6 hPa (+1.5)
PVGF1 - Port Everglades Channel, FL 77 mi52 min NW 4.1 G 8 74°F 1014.2 hPa (+3.4)70°F

Wind History for Lake Worth Pier, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Witham Field Airport, FL3 mi62 minNE 47.00 miThunderstorm in Vicinity82°F78°F89%1013.2 hPa
Fort Pierce, St. Lucie County International Airport, FL22 mi59 minN 010.00 miFair78°F73°F87%1012.7 hPa

Wind History from SUA (wind in knots)
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Last 24hrNW5N5NW4NW5NE7NE8NE5E5NE7E6453CalmCalmCalmN3CalmCalmCalmCalmW4CalmNE4
1 day agoE5E5E8E8E8E8NE11NE10NE10NE8NE8NE8NE7NE6N3NW3NW3W3W3W3W3NW3NW4NW5
2 days agoE6NE9NW10N10N5E8E9E10
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--E4NE6NE7NE11NE6E11NE10E9NE10NE9NE8NE7NE8

Tide / Current Tables for Sewall Point, St. Lucie River, Florida
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Sewall Point
Click for Map
Tue -- 02:15 AM EDT     1.11 feet High Tide
Tue -- 07:11 AM EDT     Sunrise
Tue -- 09:14 AM EDT     0.64 feet Low Tide
Tue -- 12:48 PM EDT     Moonrise
Tue -- 02:52 PM EDT     1.12 feet High Tide
Tue -- 07:12 PM EDT     Sunset
Tue -- 09:44 PM EDT     0.93 feet Low Tide
Tue -- 11:49 PM EDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
11.11.11.110.90.80.70.70.60.70.80.911.11.11.11.11110.90.90.9

Tide / Current Tables for Eden, Nettles Island, Indian River, Florida
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Eden
Click for Map
Tue -- 03:37 AM EDT     1.16 feet High Tide
Tue -- 07:11 AM EDT     Sunrise
Tue -- 10:35 AM EDT     0.63 feet Low Tide
Tue -- 12:48 PM EDT     Moonrise
Tue -- 04:14 PM EDT     1.17 feet High Tide
Tue -- 07:12 PM EDT     Sunset
Tue -- 11:05 PM EDT     0.92 feet Low Tide
Tue -- 11:49 PM EDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.911.11.11.21.110.90.80.70.60.60.70.811.11.21.21.11.1110.90.9

Weather Map and Satellite Images
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Weather Map
wmap_A
IR Satellite Image from GEOS
east_satellite

GOES Local Image of Southeast    EDIT
Geos

Wind Forecast for Melbourne, FL (8,2,3,4)
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Ground Weather Radar Station Melbourne, FL
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weather_mapweather_map weather_map

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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.