Thursday, April18, 2019 L-36.com


Marine Weather and Tides
Dana Point, CA

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 6:15AMSunset 7:24PM Thursday April 18, 2019 5:43 AM PDT (12:43 UTC) Moonrise 6:50PMMoonset 6:06AM Illumination 99% Phase: Waxing Gibbous; Moon at 14 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- 143 Am Pdt Thu Apr 18 2019
Today..Wind nw to 10 kt...becoming 10 to 15 kt in the afternoon. Wind waves 2 ft or less. SWell W 2 to 3 ft at 13 seconds. SWell S 3 ft.
Tonight..Wind W 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 1 to 4 ft at 14 seconds and S 3 ft at 15 seconds.
Fri..Wind nw to 10 kt...becoming W in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft at 13 seconds and S 3 ft at 16 seconds.
Fri night..Wind W to 10 kt. Wind waves 2 ft or less. SWell W 2 to 3 ft at 13 seconds. SWell S 3 ft.
Sat..Wind sw to 10 kt. Gusts to 15 kt in the afternoon. Wind waves 2 ft or less. SWell W 2 to 3 ft at 12 seconds.
Sat night..Wind W 10 to 15 kt with gusts to 20 kt. Wind waves 3 ft. SWell W 3 to 4 ft.
Sun..Wind W 10 to 15 kt. Wind waves 3 ft. SWell W 3 to 4 ft.
Sun night..Wind W 10 kt in the evening...becoming variable less than 10 kt. Wind waves 2 ft or less. SWell W 3 to 4 ft.
Mon..Wind variable less than 10 kt...becoming W 10 kt with gusts to 15 kt in the afternoon. Wind waves 2 ft or less. SWell W 3 to 4 ft.
Mon night..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 2 to 3 ft.
PZZ700 143 Am Pdt Thu Apr 18 2019
Synopsis for the far southern california coast..At 1 am, a 1015 mb low was over the northern gulf of california and a 1025 mb high was over central nevada. Generally light winds during the nights and morning with northwest winds 10 to 15 kts in the afternoons through Friday. Stronger northwest winds, gusting 20 to 25 kts in the outer waters will develop Saturday. Winds will weaken Sunday afternoon.


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 180921
afdsgx
area forecast discussion
national weather service san diego ca
221 am pdt Thu apr 18 2019

Synopsis
Strengthening high pressure aloft across california will continue
the warming trend today with the warming continuing for the
deserts on Friday. The marine layer will return tonight with night
and morning low clouds and fog returning to coastal areas. The
marine layer will continue to deepen into Sunday with low clouds
spreading into the valleys for early Saturday and onto the
coastal mountain slopes for Saturday night into Sunday morning. A
low pressure system will move across california for late Saturday
and early Sunday bringing significant cooling for the weekend.

Stronger onshore flow will bring gusty west winds to the mountains
and deserts with strongest winds for Saturday afternoon and
night. High pressure will strengthen across california for Monday
through Wednesday of next week bringing a strong warming trend.

Discussion For extreme southwestern california including orange...

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

high pressure aloft will continue to strengthen across california
today, then weaken Friday as a weak low pressure system from the
southwest approaches and moves through southern california Friday
night and early Saturday.

The warming trend that began yesterday will continue today and
continue for the deserts into Friday. Stratus is expected to
return near the coast tonight into Friday morning with the marine
layer continuing to deepen through the weekend with stratus
spreading into the valleys for late Friday night into Saturday
morning and onto the coastal mountain slopes for Saturday night
into Sunday morning.

A second low pressure system for the northwest will move through
california for late Saturday and early Sunday with the ensemble
means of the GFS and ECMWF similar in strength and timing. In
addition to the deepening of the marine layer, this low pressure
system will strengthen the onshore flow bringing significant
cooling inland for the weekend. The stronger onshore flow will
bring stronger and gusty west winds in the mountains and deserts
with the strongest winds for Saturday afternoon and night.

Strongest winds near the mountain ridge tops and in the northern
coachella valley below the san gorgonio pass will gust to around
55 mph.

For Monday through Wednesday of next week, high pressure aloft
will strengthen across california bringing a strong warming
trend with high temperatures for Wednesday of next week similar to
those of today and Friday of this week.

Aviation
180915z... Coast valleys... Low confidence for sct low clouds with
bases around 1500 ft msl along the immediate coast through 16z.

Otherwise, sct clouds with bases at or abv 20000 ft through today.

Better chances for areas of low clouds returning to coastal areas
after 03z fri, with bases 1000-1500 ft msl.

Marine
No hazardous marine weather through Friday. NW winds 10-15 kt
gusting 20-25 over the outer waters Saturday afternoon into Sunday.

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... 17
aviation marine... Pg


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46242 - Camp Pendleton Nearshore, CA (043) 20 mi45 min 60°F3 ft
46224 - Oceanside Offshore, CA (045) 22 mi43 min 61°F3 ft
46253 28 mi73 min 60°F3 ft
PRJC1 33 mi43 min Calm G 1.9
46256 33 mi43 min 58°F3 ft
PFXC1 35 mi43 min NNW 2.9 G 2.9 58°F
AGXC1 35 mi43 min NW 1.9 G 1.9 58°F 1018.9 hPa (-0.6)
46222 - San Pedro, CA (092) 36 mi73 min 58°F3 ft
PSXC1 36 mi43 min Calm G 1
PFDC1 36 mi43 min WNW 1.9 G 1.9
OHBC1 - 9410660 - Los Angeles, CA 37 mi43 min 60°F1019 hPa (-0.7)
BAXC1 37 mi43 min Calm G 1
PXAC1 38 mi55 min SSW 1 G 1
46225 - Torrey Pines Outer, CA (100) 39 mi43 min 61°F3 ft
LJPC1 - La Jolla, CA (073) 46 mi83 min SSE 1.9 G 4.1 2 ft
LJAC1 - 9410230 - La Jolla, CA 46 mi43 min 57°F1018.5 hPa (-0.8)
46254 46 mi75 min 63°F2 ft
46258 49 mi73 min 62°F5 ft

Wind History for Los Angeles Pier J, CA
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
John Wayne-Orange County Airport, CA19 mi50 minN 010.00 miFair57°F48°F72%1018.7 hPa
Oceanside, Camp Pendleton, Marine Corps Air Station, CA20 mi48 minN 010.00 miFair47°F46°F97%1019.1 hPa
Oceanside, Oceanside Municipal Airport, CA24 mi51 minN 09.00 miFair48°F46°F93%1019 hPa

Wind History from SNA (wind in knots)
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Last 24hrCalmE5E4CalmCalm34W8SW7SW15
G21
W7SW6CalmSW7W6N3SE4CalmCalmS5CalmE3CalmCalm
1 day agoS4SE5SE5SW6S7SW9SW8SW8SW7W8SW8SW7W6
G14
W7SW6SW4SW3CalmSE4SE3CalmCalmCalmNE3
2 days agoCalmCalmCalmS43S6SW9S10S9SW7S8S9SW6SW6SW5W5CalmSE7SE9SE7SE6SE65S6

Tide / Current Tables for San Clemente, California
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San Clemente
Click for Map
Thu -- 03:12 AM PDT     -0.52 feet Low Tide
Thu -- 06:05 AM PDT     Moonset
Thu -- 06:16 AM PDT     Sunrise
Thu -- 09:14 AM PDT     5.22 feet High Tide
Thu -- 03:18 PM PDT     -0.33 feet Low Tide
Thu -- 06:49 PM PDT     Moonrise
Thu -- 07:23 PM PDT     Sunset
Thu -- 09:28 PM PDT     5.90 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.61.20-0.5-0.30.623.54.65.254.12.81.40.3-0.3-0.10.72.13.75.15.85.85

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 and Satellite Images
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wmap_P
GOES 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 (8,2,3,4)
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Ground Weather Radar Station Santa Ana Mtns, CA
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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.