Sunday, September15, 2019 L-36.com


Marine Weather and Tides
Dana Point, CA

Version 3.4
NOTICE
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.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 6:33AMSunset 6:58PM Sunday September 15, 2019 7:36 PM PDT (02:36 UTC) Moonrise 8:10PMMoonset 7:47AM Illumination 96% Phase: Waning Gibbous; Moon at 17 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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PZZ750 Coastal Waters From San Mateo Point To The Mexican Border And Out To 30 Nm- 150 Pm Pdt Sun Sep 15 2019
Tonight..Wind W to 10 kt in the evening...becoming variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 1 to 2 ft at 9 seconds and S 2 ft at 13 seconds.
Mon..Wind variable less than 10 kt...becoming W 10 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 ft at 9 seconds and S 2 to 3 ft at 12 seconds.
Mon night..Wind nw to 10 kt. Wind waves 2 ft or less. Mixed swell W 2 ft at 7 seconds and S 3 ft at 12 seconds.
Tue..Wind variable less than 10 kt...becoming W 10 kt with gusts to 15 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft at 6 seconds and S 3 ft at 12 seconds.
Tue night..Wind nw to 10 kt with gusts to 15 kt in the evening...becoming variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft at 6 seconds and S 3 ft at 12 seconds. Patchy fog with vsby 1 nm or less after midnight.
Wed..Wind variable less than 10 kt...becoming sw 10 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft and S 3 ft. Patchy fog with vsby 1 nm or less in the morning.
Wed night..Wind W 10 kt in the evening...becoming variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft and S 3 ft. Patchy fog with vsby 1 nm or less after midnight.
Thu..Wind variable less than 10 kt...becoming W 10 kt with gusts to 15 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft and S 3 ft. Patchy fog with vsby 1 nm or less in the morning.
Thu night..Wind nw 10 to 15 kt. Wind waves 3 ft in the evening...becoming 2 ft or less. Mixed swell W 2 to 4 ft and sw 2 to 3 ft.
Fri..Wind variable less than 10 kt...becoming W 10 kt with gusts to 15 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 to 4 ft and sw 2 ft.
Fri night..Wind nw 10 kt with gusts to 15 kt in the evening... Becoming variable less than 10 kt. Wind waves 2 ft or less. SWell W 2 to 3 ft. SWell N to 3 ft.
PZZ700 150 Pm Pdt Sun Sep 15 2019
Synopsis for the far southern california coast.. High pressure will gradually recede toward the east, as a trough of low pressure approaches from the northwest. Expect mostly light to occasionally moderate onshore flow to continue through the week. A period of stronger northwest winds is likely on Thursday evening, mostly over the outer waters near san clemente island,with gusts approaching 20 knots. Otherwise, no hazardous marine conditions are anticipated through Friday.


7 Day Forecast for Marine Location Near Dana Point city, CA
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location: 33.45, -117.68     debug


Area Discussion for - San Diego, CA
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Fxus66 ksgx 160129 aaa
afdsgx
area forecast discussion
national weather service san diego ca
627 pm pdt Sun sep 15 2019

Synopsis
After another very warm day today, Monday and Tuesday will be
noticeably cooler with more clouds as a trough of low pressure
moves east across the state. This cooler weather pattern will
persist through the end of the week, keeping temperatures below
average inland, but near late summer normals along the coast. Gusty
westerly winds will peak over the mountains and deserts Monday
night. This prevailing onshore pattern will rebuild the marine layer
and associated low clouds and fog inland nights and mornings.

Discussion For extreme southwestern california including orange...

san diego... Western riverside and southwestern san bernardino
counties...

evening update:
the forecast was updated to add a slight chance of dry lightning for
Monday during the daytime for all areas. The threat is very low at
about 20 percent or less, but nonetheless an incoming weak upper
level disturbance currently over the eastern pacific could trigger
sprinkles and a few low precipitation thunderstorms just about
anywhere tomorrow. No other changes to the forecast at this time.

Previous discussion issued at 114 pm pdt:
at 1 pm pdt... High clouds had thinned over the region but were
extensive offshore and drifting ne. Lower clouds that were visible
over the coastal waters were patchy. The sfc gradient readings we
have are very weak, but trending onshore to the high deserts.

Strongest wind reports were over SW san bernardino county with peak
south winds gusts of 25-35 mph.

The higher clouds are forecast to thicken and lower some on Monday
as some moisture is drawn north from hurricane kiko ahead of a weak
300 mb trough. A few sprinkles are possible, along with gusty and
erratic winds if these showers form. Elevated instability predictors
will be monitored for thunderstorm and dry lightning potential, but
for now the chance looks too small for inclusion in the forecast.

The prevalence of high cloudiness may inhibit much low cloud fog
formation again tonight, but at least patchy low clouds fog are
expected.

Higher confidence does exist for relief from the heat though, as an
upper-level trough drops south along the british columbia coast
today, and swings inland across ca on Monday with increasing SW to
west winds, allowing the marine layer to build inland. It will be
noticeably cooler across the entire area with the cooler conditions
prevailing all week as another trough drops south, reinforcing the
onshore pattern over socal.

The ocean sfc temps over the ca bight are currently in the lower
70sf, so the cooling power of the sea breeze will be somewhat muted,
but still expect daytime temperatures to be running a little below
average after today. Slight warming returns next weekend as the
trough over the west weakens.

Aviation
151945z... Coast valleys...VFR conditions will prevail through
midnight. Low clouds will redevelop near 08z Monday on the coast,
with bases 400-800 ft msl and tops to 1,500 ft. These will spread 10-
15 miles inland in san diego and orange counties. Sct-bkn high
clouds AOA 20,000 ft msl will continue through Monday, and could
inhibit some low cloud coverage tonight, resulting in intermittent
and patchy cigs. Moderate to high confidence in areas of vis 1-3 sm
along western fringe of valleys, and on elevated coastal terrain
including kcrq, between 10-16z Monday. Elsewhere, vis 3-5 sm during
early morning hours. Low CIGS should dissipate near 16 16z withVFR
conditions prevailing thereafter, however variable sct-bkn clouds
with bases near 10,000 ft and tops to 20,000 ft can be expected
throughout the day.

Valleys mountains deserts... Sct high clouds AOA 15,000 ft msl
through Monday.

Marine
Small patches of low clouds may reduce visibility to near 1 mile
tonight, however confidence is low. Visibility is not expected to
drop below 1 mile.

Fire weather
It is another hot, dry day inland with minimum rh values of 15% or
less far inland valleys mts. An afternoon sea breeze will bring
gusts of 15 to 20 mph at times through early evening. This will
result in elevated fire weather conditions. Further increases in rh
will occur on Monday as onshore flow strengthens and an upper-level
trough moves across the state. Some instability aloft may produce
sprinkles with gusty and erratic winds at times. At this point the
dry lightning threat looks to be 15% or less on Monday.

Winds have been increasing over southwest san bernardino county
today, with peak gusts around 35 mph. These winds will become more
widespread and turn westerly Monday and Monday night with gusts of
30 to locally 50 mph on the desert slopes and near the passes. These
winds will be accompanied by higher rh initially, but will fall to
around 15% or lower by Tuesday morning in some areas. Critical fire
weather conditions may develop for a few hours on the ridges and
desert slopes before the winds drop off midday Tuesday.

Skywarn
Skywarn activation is not requested. However weather spotters are
encouraged to report significant weather conditions.

Sgx watches warnings advisories
Ca... None.

Pz... None.

Public fire weather... 10 jmb maxwell
aviation marine... Rodriguez


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46224 - Oceanside Offshore, CA (045) 22 mi37 min 74°F3 ft
46253 28 mi37 min 72°F3 ft
PRJC1 33 mi49 min W 8 G 12
46256 33 mi37 min 69°F2 ft
PFXC1 35 mi49 min NW 5.1 G 6
AGXC1 35 mi49 min WSW 8.9 G 9.9
46222 - San Pedro, CA (092) 36 mi44 min 71°F2 ft
PSXC1 36 mi49 min NW 4.1 G 5.1
PFDC1 36 mi49 min SW 2.9 G 4.1
OHBC1 - 9410660 - Los Angeles, CA 37 mi55 min 70°F1011 hPa
BAXC1 37 mi49 min S 5.1 G 6
PXAC1 38 mi55 min NNW 4.1 G 5.1
46225 - Torrey Pines Outer, CA (100) 39 mi37 min 73°F3 ft
LJPC1 - La Jolla, CA (073) 46 mi77 min N 6 G 8.9 2 ft
LJAC1 - 9410230 - La Jolla, CA 46 mi55 min N 5.1 G 6 70°F 74°F1010.5 hPa
46254 46 mi39 min 71°F 75°F2 ft
46258 49 mi37 min 72°F3 ft

Wind History for Los Angeles Pier J, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Mcolf Camp Pendleton (Red Beach), CA17 mi41 minS 49.00 miFair71°F64°F81%1019.3 hPa
John Wayne-Orange County Airport, CA19 mi44 minSSW 510.00 miMostly Cloudy73°F63°F71%1010.4 hPa
Oceanside, Camp Pendleton, Marine Corps Air Station, CA20 mi42 minSSW 410.00 miFair72°F62°F71%1010.6 hPa
Oceanside, Oceanside Municipal Airport, CA24 mi45 minWSW 38.00 miFair71°F63°F76%1010.5 hPa

Link to 5 minute data for KSNA

Wind History from SNA (wind in knots)
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Last 24hrS5SW4CalmS3S4S5S43CalmS3SW4S4CalmS4CalmCalmSW7S8S11SW9SW5SW7SW6SW5
1 day agoSW4S5SW4S3CalmSW3S3CalmS3CalmCalmCalmS3CalmSW34S7SW76SW6SW7SW7SW7SW6
2 days agoW3S3CalmSW3CalmCalmCalmNW3CalmCalmCalmCalmCalmCalmCalmCalmSW6SW6SW8S8SW9SW7SW4SW5

Tide / Current Tables for San Clemente, California
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San Clemente
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Sun -- 04:25 AM PDT     0.39 feet Low Tide
Sun -- 06:33 AM PDT     Sunrise
Sun -- 07:46 AM PDT     Moonset
Sun -- 10:33 AM PDT     4.92 feet High Tide
Sun -- 04:33 PM PDT     1.05 feet Low Tide
Sun -- 06:56 PM PDT     Sunset
Sun -- 08:09 PM PDT     Moonrise
Sun -- 10:31 PM PDT     5.01 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.23.11.910.40.51.12.13.34.34.84.94.43.52.51.71.11.11.62.53.54.44.94.9

Tide / Current Tables for Newport Beach, Newport Bay Entrance, Corona del Mar, California (sub)
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


Weather Map
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wmap_P
GEOS Local Image of Southwest    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 San Diego, CA (22,6,7,8)
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Ground Weather Radar Station Santa Ana Mtns, CA
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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.