Tuesday, October27, 2020
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Marine Weather and Tides
Santa Ana, CA

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
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.

Sunrise 7:05AMSunset 6:04PM Tuesday October 27, 2020 7:54 AM PDT (14:54 UTC) Moonrise 4:34PMMoonset 3:29AM 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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PZZ655 Inner Waters From Point Mugu To San Mateo Pt. Ca Including Santa Catalina And Anacapa Islands- 314 Am Pdt Tue Oct 27 2020
.small craft advisory in effect until noon pdt today...
Today..From point mugu to santa Monica and out to anacapa island, and south of palos verdes through the san pedro channel to catalina island, N to ne winds 15 to 25 kt with local gusts to 30 kt, becoming nw 10 to 20 kt by afternoon. Elsewhere, ne winds 10 to 20 kt, becoming nw 10 to 20 kt by afternoon. Combined seas 3 to 5 ft dominant period 5 seconds, subsiding to 2 to 4 ft dominant period 6 seconds in the afternoon.
Tonight..NW winds 10 to 20 kt in the evening, becoming ne 5 to 10 kt late. Wind waves 1 to 3 ft. Mixed swell W 2 to 3 ft at 7 seconds and S 2 ft at 13 seconds.
Wed..NE winds 5 to 10 kt, becoming W 10 to 15 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft at 7 seconds and S 2 ft at 13 seconds.
Wed night..W winds 10 to 15 kt in the evening, becoming variable 10 kt or less. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft at 7 seconds and S 2 ft at 13 seconds.
Thu..Winds variable 10 kt or less, becoming W 10 to 15 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 ft at 7 seconds and S 2 ft at 13 seconds.
Thu night..W winds 10 to 15 kt in the evening, becoming variable 10 kt or less. Wind waves 2 ft or less. Mixed swell W 2 ft at 7 seconds and S 2 ft at 13 seconds.
Fri..Winds variable 10 kt or less early, becoming W 10 to 15 kt. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft and S 2 ft.
Sat..W winds 10 to 15 kt. Wind waves 2 ft. Mixed swell W 2 to 3 ft and S 2 ft.
PZZ600 314 Am Pdt Tue Oct 27 2020
Synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park..At 09z, or 2 am pdt, a 1037 mb high was centered in colorado with a ridge extending to a 1033 mb high 600 nm west of eureka. A 1006 mb low was centered in southern arizona with a thermal trough extending into the coastal waters. Small craft advisory level northeast winds will likely affect portions of the waters south and east of point conception this morning. Northeast winds and waves will gradually subside by this afternoon. However, conditions will still be dangerous near east facing harbors such as avalon harbor and two harbors this morning.


7 Day Forecast for Marine Location Near Santa Ana, CA
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location: 33.73, -117.89     debug


Area Discussion for - San Diego, CA
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FXUS66 KSGX 271147 AFDSGX

Area Forecast Discussion National Weather Service San Diego CA 447 AM PDT Tue Oct 27 2020

SYNOPSIS. Moderate offshore flow will weaken this afternoon with onshore flow returning near the coast. Strong gusty northeast winds this morning will diminish in the afternoon. Weak offshore flow for inland areas may continue locally gust east to northeast winds near the coastal slopes of the mountains each morning into the weekend. Weak onshore flow will bring slightly cooler high temperatures near the coast for Wednesday and Thursday. Otherwise, there will be a gradual warming trend from today and Wednesday through the weekend with high temperatures warming from around average to 10 to locally 15 degrees above average.

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

Moderate offshore flow will continue this morning, weakening in the afternoon. Early this morning, the strongest gusts are near the mountain ridge tops with some gusts exceeding 50 mph. Where the winds are surfacing below the coastal slopes of the mountains, gusts are mostly less than 35 mph. Winds are expected to strengthen and become more widespread from a little before sunrise through the morning. For San Bernardino, Riverside, and Orange Counties, the winds will not be as strong as 24 hours ago with stronger gusts to 55 mph and isolated gusts to 65 mph. The winds will be slightly more easterly which will allow for a period of stronger and gusty winds for the San Diego County Mountains and inland valleys this morning with the stronger gusts to around 45 mph. The winds will diminish during the afternoon.

For Wednesday and Thursday, the flow will be weakly onshore for coastal areas and weak offshore for inland areas with locally gusty northeast winds near the coastal slopes of the mountains with gusts less than 35 mph.

For Friday through Sunday, onshore flow near the coast will weaken with continuing weak offshore flow for inland areas with gusty east to northeast winds near the coastal slopes of the mountains with gusts mostly 35 mph or less.

High temperatures for inland areas will slowly warm through Sunday or Monday, warming from around average for today and Wednesday, to 10 to locally 15 degrees above average for Sunday and Monday. Near the coast, high temperatures will be a little cooler for Wednesday and Thursday, then a little warmer into Sunday or Monday. Outside of locations where mixing from winds is keeping temperatures relatively warmer, low temperatures early this morning will be the coolest of the fall so far for many locations, generally around 5 degrees below average.

Patchy night and morning low clouds and fog may return near the coast as early Friday, but with a return more likely for early next week.

AVIATION. 271000Z . Northeast winds to increase this morning in a corridor from the Cajon Pass through the Inland Empire and into Orange County, including at KONT. Local northeast winds of 15-25 kt with isolated gusts up to 50 kt. STG-SVR up/downdrafts and LLWS likely over and S/SW of the mountains.

Clear skies with local vis of 3-5 SM due to smoke, locally 2 SM or less in Orange County due to smoke from the Silverado Fire.

MARINE. Decreasing winds across the coastal waters this morning. No hazardous marine conditions are expected through Saturday.

FIRE WEATHER. Where winds have continued overnight, the humidity has remained around 5 percent. Humidity for inland areas will remain below 10 percent through this afternoon.

Moderate offshore flow will continue this morning, weakening in the afternoon. Early this morning, the strongest gusts are near the mountain ridge tops with some gusts exceeding 50 mph. Where the winds are surfacing below the coastal slopes of the mountains, gusts are mostly less than 35 mph. Winds are expected to strengthen and become more widespread from a little before sunrise through the morning. For San Bernardino, Riverside, and Orange Counties, the winds will not be as strong as 24 hours ago with stronger gusts to 55 mph and isolated gusts to 65 mph. Strongest winds are expected near the coastal slopes of the San Bernardino County mountains, in the Inland Empire below the Cajon Pass, and near the coastal slopes of the Santa Ana Mountains with fire weather conditions most critical this morning.

The winds will be slightly more easterly which will allow for a period of stronger and gusty winds for the San Diego County Mountains and inland valleys this morning with the stronger gusts to around 45 mph with elevated to briefly critical fire weather conditions. The winds will diminish during the afternoon.

For Wednesday and Thursday, the lower level flow will be weakly onshore near the coast and weakly offshore inland. There will be a slight recovery in humidity for inland areas with lowest daytime humidity of 10 to 15 percent. The will be locally gusty northeast winds less than 35 mph near the coastal slopes of the mountains each morning.

For Friday through the weekend, onshore flow will weaken near the coast with weak offshore flow continuing for inland areas. There will continue to be locally gust east to northeast winds near the coastal slopes of the mountains each morning with the gusts mostly less than 35 percent. Lowest daytime humidity for inland areas will fall to around 10 percent with elevated fire weather conditions.

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

SGX WATCHES/WARNINGS/ADVISORIES. CA . High Wind Warning until 2 PM PDT this afternoon for Orange County Inland Areas-San Bernardino County Mountains-San Bernardino and Riverside County Valleys-The Inland Empire- Santa Ana Mountains and Foothills.

Red Flag Warning until 6 PM PDT this evening for Orange County Inland Areas-Riverside County Mountains-Including The San Jacinto Ranger District Of The San Bernardino National Forest-San Bernardino County Mountains-Including The Mountain Top And Front Country Ranger Districts Of The San Bernardino National Forest-San Bernardino and Riverside County Valleys -The Inland Empire-San Gorgonio Pass Near Banning-Santa Ana Mountains-Including The Trabuco Ranger District of the Cleveland National Forest.

Frost Advisory until 8 AM PDT this morning for Apple and Lucerne Valleys.

PZ . Small Craft Advisory until 5 AM PDT early this morning for Coastal Waters from San Mateo Point to the Mexican Border and out to 30 nm-Waters from San Mateo point to the Mexican Border Extending 30 to 60 nm out including San Clemente Island.



PUBLIC/FIRE WEATHER . 17 AVIATION/MARINE . Schenk/MM


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PRJC1 16 mi55 min N 8 G 8.9
46256 17 mi59 min 65°F2 ft
PFXC1 17 mi55 min N 5.1 G 8
PSXC1 18 mi55 min N 4.1 G 5.1
46253 19 mi59 min 66°F3 ft
AGXC1 19 mi55 min NNW 5.1 G 6
BAXC1 19 mi55 min NNE 6 G 6
PFDC1 19 mi55 min NNW 5.1 G 7
OHBC1 - 9410660 - Los Angeles, CA 20 mi55 min 66°F1017.6 hPa (-0.0)
PXAC1 20 mi61 min N 2.9 G 2.9
46222 - San Pedro, CA (092) 24 mi94 min 66°F2 ft
ICAC1 - 9410840 - Santa Monica Pier 38 mi55 min N 2.9 G 6 65°F 61°F1017.4 hPa (-0.0)
46221 - Santa Monica Bay, CA (028) 40 mi32 min 67°F2 ft
46268 42 mi55 min 66°F 61°F2 ft
46224 - Oceanside Offshore, CA (045) 44 mi59 min 67°F3 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, CA4 mi62 minNNE 12 G 2110.00 miA Few Clouds68°F-2°F6%1016.2 hPa
Los Alamitos Army Airfield, CA9 mi57 minNW 45.00 miPartly Cloudy with Haze44°F26°F51%1017.2 hPa
Fullerton, Fullerton Municipal Airport, CA11 mi62 minN 04.00 miSmoke51°F21°F32%1016.5 hPa
Long Beach, Long Beach Airport, CA15 mi62 minW 35.00 miOvercast with Haze52°F21°F30%1017.1 hPa
Corona Airport, CA19 mi59 minW 410.00 miFair63°F0°F7%1017.5 hPa
Chino, Chino Airport, CA21 mi62 minNNE 12 G 1810.00 miFair67°F-7°F5%1017.2 hPa

Link to 5 minute data for KSNA

Wind History from SNA (wind in knots)
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NE12NE7NE4NE6CalmCalmCalmCalmCalmCalmNW4CalmNW3CalmNE12
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1 day agoW7W6SW46W7W6W7W9W7W6W4W6W4CalmCalmCalmCalmS3CalmE4NE6NE13
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2 days agoCalmCalmNW4CalmCalmW66SW6W7W5SW65W3SW4W4CalmCalmCalmCalmN4CalmCalmCalmW5

Tide / Current Tables for Santa Ana River entrance (inside), California
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Santa Ana River entrance (inside)
Click for Map
Tue -- 03:24 AM PDT     0.08 feet Low Tide
Tue -- 03:29 AM PDT     Moonset
Tue -- 07:07 AM PDT     Sunrise
Tue -- 08:28 AM PDT     2.79 feet High Tide
Tue -- 03:52 PM PDT     0.28 feet Low Tide
Tue -- 04:33 PM PDT     Moonrise
Tue -- 06:03 PM PDT     Sunset
Tue -- 08:17 PM PDT     2.62 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.10.60.30.10.20.71.52.32.72.82.52.11.61.10.60.40.30.61.42.22.62.62.31.9

Tide / Current Tables for Newport Bay Entrance, Corona del Mar, California (2)
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Newport Bay Entrance
Click for Map
Tue -- 01:36 AM PDT     0.37 feet Low Tide
Tue -- 03:28 AM PDT     Moonset
Tue -- 07:06 AM PDT     Sunrise
Tue -- 08:03 AM PDT     5.01 feet High Tide
Tue -- 02:04 PM PDT     1.35 feet Low Tide
Tue -- 04:33 PM PDT     Moonrise
Tue -- 06:03 PM PDT     Sunset
Tue -- 07:52 PM PDT     4.71 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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10.50.40.91.82.93.94.754.84.13.22.31.61.41.62.233.94.54.74.43.62.6

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
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 numerous 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.