Friday, December6, 2019
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Marine Weather and Tides
Dana Point, CA

Version 3.4
NOTICE
10/9/2019 Updated the Marine Zones.
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 6:39AMSunset 4:44PM Friday December 6, 2019 6:29 PM PST (02:29 UTC) Moonrise 2:45PMMoonset 2:18AM Illumination 77% Phase: Waxing Gibbous; Moon at 10 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- 135 Pm Pst Fri Dec 6 2019
Tonight..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 1 to 2 ft at 13 seconds. Chance of showers.
Sat..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 2 to 4 ft at 17 seconds. Chance of showers.
Sat night..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 3 to 5 ft at 14 seconds. Showers likely.
Sun..Wind variable less than 10 kt...becoming W 10 kt in the afternoon. Wind waves 2 ft or less. SWell W 3 to 5 ft at 12 seconds. Showers likely.
Sun night..Wind nw 10 kt. Wind waves 2 ft or less. SWell W 4 to 5 ft at 12 seconds. Chance of showers.
Mon..Wind nw 10 kt in the morning...becoming variable less than 10 kt. Wind waves 2 ft or less. SWell W 3 to 4 ft. Slight chance of showers in the morning.
Mon night..Wind nw 10 kt in the evening...becoming variable less than 10 kt. Wind waves 2 ft or less. SWell W 2 to 4 ft.
Tue..Wind variable less than 10 kt...becoming W 10 kt in the afternoon. Wind waves 2 ft or less. SWell W 2 to 3 ft.
Tue night..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 2 ft.
Wed..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 2 ft.
Wed night..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 2 to 4 ft.
PZZ700 135 Pm Pst Fri Dec 6 2019
Synopsis for the far southern california coast..At 1 pm pst...a 1019 mb low was over northern baja and a 1023 mb high was over san bernardino county. Light rain showers are moving into the coastal waters this afternoon, and periods of showers will continue through Sunday. Light and variable winds will prevail through Saturday, with stronger northwest winds Sunday into Monday. Combined seas of 6 to 8 feet are also expected for Saturday and Sunday.


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


Area Discussion for - San Diego, CA
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FXUS66 KSGX 062205 AFDSGX

Area Forecast Discussion National Weather Service San Diego CA 205 PM PST Fri Dec 6 2019

SYNOPSIS. A moist, southwest flow aloft will bring increasing clouds, with light rain likely by evening. The clouds will persist through the weekend, along with a chance for periods of light rain showers as a weak storm system drops south across the State. It will move east on Monday, with clearing skies and a warming trend for next week. Further warming is on tap for next weekend as dry weather persists. At the beaches, a large west swell bring high surf this weekend.

DISCUSSION. FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE . SAN DIEGO . WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO COUNTIES .

. Update . Quick update to increase POPS through this evening. Doppler radar shows a shield of rain entering Orange County extending south off the San Diego County coast. This area is moving northeast at about 35 mph. The radar bark is worse than the bite. Aircraft sounding data shows a dry layer in the lower levels, so some of the rain falling is evaporating. Upstream gauges over San Clemente Island show max rain over the past hour of 0.07". So this will be a light rain but most coast and valley locales do look to get wet late this afternoon through this evening. As such, increased POPS substantially to account for this expectation. Rainfall of trace-0.10 inches is expected through this evening west of the mountains and along the coastal mountain slopes.

. Previous Discussion (Issued at 1223 PM PST Fri Dec 6 2019) .

Satellite imagery at midday showed a thicker blanket of high clouds spreading NE across the area. In addition, the radar indicated some precipitation moving NE over the coastal waters. Some of this could make it into Orange and San Bernardino Diego Counties by late afternoon. The sfc pressure gradients from the deserts were still weak to moderate offshore, supporting NE winds below the passes with local gusts 25-35 MPH. Still, the sea breeze was evident into the western valley areas.

A storm system centered 500 miles west of Cape Mendocino today, will drift east through Saturday, and then drop south through Monday as a strong ridge builds off the Coast. Weak disturbances off the Pacific ahead of it will gather up some Pacific moisture, sparking some occasional light precip that will favor the coastal slopes. Upslope is generally weak though, so no heavy amounts are likely with no good atmospheric lift to squeeze it out. Snow levels will be quite high initially, above 8K FT through Saturday, then fall to around 7K FT by late Sunday.

The final trough axis passes through SoCal on Monday morning, so some light, scattered showers may continue into early Monday for San Diego County especially. Overall precip amounts of 1/4-1/2 inch are expected west of the mts, and 0.5 to 1.5 inches on the coastal slopes and higher terrain. For the deserts, less than one-quarter inch total. Several inches of snow are possible in the San Bernardino Mts by Mon morning above 7500 FT.

A highly amplified ridge develops early next week along the West Coast and keeps SoCal protected from activity in the westerlies through next week. Even though the ridge flattens, it strengthens further next weekend along 30N latitude. This will likley bring well above average temps to SoCal by next weekend, along with continued fair and dry weather.

AVIATION. 062020Z . Coasts/Valleys . SCT-BKN high clouds AOA 20000 ft MSL and unrestricted vis this afternoon. Cigs 2000-2500 ft MSL and vis 2-4 SM in areas of RA after 01Z Sat.

Mountains . SCT-BKN high clouds AOA 20000 feet MSL with unrestricted vis through this afternoon. Low clouds will obscure terrain above 3000 ft MSL, with vis 1-3 SM at times after 01Z Sat with -RA/-SN.

Deserts . Mostly clear skies through Fri. Chance of -RA Sat. Cigs around 5000 ft MSL and vis 3-5SM possible in RA.

MARINE. Scattered rain showers this afternoon through Sunday. Combined seas of 6 to 8 ft are expected Saturday afternoon through Sunday evening.

BEACHES. A High Surf Advisory has been issued as long-period northwest swells of 14 to 18 seconds arrive at the coasts of Southern California. The swells will start to build on Saturday, peaking Sunday morning, and subsiding by Monday morning. Surf of 6-8 ft is expected in San Diego County and 4-7 ft surf is expected on beaches prone to WNW swells in Orange County.

SGX WATCHES/WARNINGS/ADVISORIES. CA . High Surf Advisory from 4 AM Saturday to 4 AM PST Monday for Orange County Coastal Areas-San Diego County Coastal Areas.

PZ . NONE.

PUBLIC . Gregoria (Update)/10 (Prev Discussion) AVIATION/MARINE . PG


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46224 - Oceanside Offshore, CA (045) 22 mi60 min 62°F2 ft
46253 28 mi60 min 63°F2 ft
PRJC1 33 mi60 min WSW 4.1 G 6
46256 33 mi60 min 62°F2 ft
PFXC1 35 mi60 min NW 4.1 G 5.1
AGXC1 35 mi60 min SW 5.1 G 5.1
46222 - San Pedro, CA (092) 36 mi37 min 62°F2 ft
PSXC1 36 mi60 min W 2.9 G 4.1
PFDC1 36 mi60 min SSW 4.1 G 4.1
OHBC1 - 9410660 - Los Angeles, CA 37 mi60 min 63°F1021 hPa
BAXC1 37 mi60 min S 2.9 G 4.1
PXAC1 38 mi66 min SW 1 G 1.9
46225 - Torrey Pines Outer, CA (100) 39 mi60 min 60°F2 ft
46266 40 mi60 min 62°F2 ft
LJPC1 - La Jolla, CA (073) 46 mi70 min SSE 2.9 G 6 1 ft
LJAC1 - 9410230 - La Jolla, CA 46 mi66 min SSE 4.1 G 5.1 61°F 62°F1019.6 hPa
46254 46 mi62 min 62°F2 ft
46258 49 mi30 min 63°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 mi94 minNE 510.00 miOvercast57°F54°F90%1028.7 hPa
John Wayne-Orange County Airport, CA19 mi37 minN 010.00 miOvercast62°F54°F75%1020.6 hPa
Oceanside, Camp Pendleton, Marine Corps Air Station, CA20 mi35 minN 010.00 miMostly Cloudy58°F54°F87%1020.2 hPa
Oceanside, Oceanside Municipal Airport, CA24 mi38 minN 010.00 miOvercast59°F55°F87%1020 hPa

Link to 5 minute data for KNXF

Wind History from NXF (wind in knots)
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Last 24hrE3E5CalmE3--E4N5N3CalmE8NE4E7NE4E6E8E8S4W6W6W8N3SE4NE5N3
1 day agoSW6SW5SW6CalmE4NE5NE6NE6NE6NE5NE5NE7----------SW7W5W9W9NW7NW8N4
2 days agoS6NE3CalmNE3NE3E6E3NE6SE3E7E6NE8NE8NE7E11E8----------------

Tide / Current Tables for San Clemente, California
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San Clemente
Click for Map
Fri -- 01:17 AM PST     Moonset
Fri -- 05:33 AM PST     4.70 feet High Tide
Fri -- 06:40 AM PST     Sunrise
Fri -- 12:04 PM PST     1.49 feet Low Tide
Fri -- 01:44 PM PST     Moonrise
Fri -- 04:42 PM PST     Sunset
Fri -- 05:34 PM PST     3.55 feet High Tide
Fri -- 11:26 PM PST     1.11 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.31.82.73.54.24.64.74.33.72.92.21.71.51.62.12.63.23.53.53.22.72.11.51.1

Tide / Current Tables for Newport Bay Entrance, Corona del Mar, California
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Newport Bay Entrance
Click for Map
Fri -- 01:19 AM PST     Moonset
Fri -- 05:33 AM PST     4.74 feet High Tide
Fri -- 06:41 AM PST     Sunrise
Fri -- 12:09 PM PST     1.55 feet Low Tide
Fri -- 01:45 PM PST     Moonrise
Fri -- 04:43 PM PST     Sunset
Fri -- 05:40 PM PST     3.56 feet High Tide
Fri -- 11:25 PM PST     1.28 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.41.92.73.64.34.74.74.43.732.31.81.61.72.12.63.13.53.53.32.82.21.61.3

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 (21,6,7,8)
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Ground Weather Radar Station Santa Ana Mtns, CA
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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.