Tuesday, August4, 2020
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Marine Weather and Tides
Beaumont, CA

Version 3.4
NOTICE
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 6:00AMSunset 7:47PM Monday August 3, 2020 9:50 PM PDT (04:50 UTC) Moonrise 8:16PMMoonset 5:52AM Illumination 100% Phase: Full Moon; Moon at 15 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- 1256 Pm Pdt Mon Aug 3 2020
Tonight..Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft at 9 seconds and S 2 ft at 12 seconds.
Tue..Wind S 10 kt...becoming sw in the afternoon. Wind waves 2 ft or less. Mixed swell W 3 to 4 ft at 9 seconds and S 2 ft at 12 seconds.
Tue night..Wind W 10 kt. Wind waves 2 ft or less. Mixed swell W 3 to 4 ft at 8 seconds and S 1 to 2 ft at 11 seconds.
Wed..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 3 to 4 ft at 8 seconds and S 1 to 2 ft at 11 seconds.
Wed night..Wind nw 10 to 15 kt. Wind waves 3 ft in the evening...becoming 2 ft or less. Mixed swell W 3 to 4 ft at 8 seconds and S 1 to 2 ft at 11 seconds.
Thu..Wind W to 10 kt. Gusts to 15 kt in the afternoon. Wind waves 2 ft or less...becoming 3 ft in the afternoon. Mixed swell W 3 to 4 ft and S 1 ft.
Thu night..Wind W 10 kt in the evening...becoming variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 3 ft and sw 1 to 2 ft.
Fri..Wind variable less than 10 kt...becoming W 10 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft and sw 1 to 2 ft.
Fri night..Wind nw 10 kt. Gusts to 15 kt in the evening. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft and sw 1 to 2 ft.
Sat..Wind nw 10 kt. Gusts to 15 kt in the afternoon. Wind waves 2 ft or less...becoming 3 ft in the afternoon. Mixed swell W 2 to 3 ft and sw 1 to 2 ft.
Sat night..Wind nw 10 kt. Gusts to 15 kt in the evening. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft and sw 1 ft.
PZZ700 1256 Pm Pdt Mon Aug 3 2020
Synopsis for the far southern california coast.. At 2 am, a 1004 mb low was over eastern nevada and a 1027 mb high was centered about 900 nm west of eureka california. Weak to occasionally moderate onshore flow will prevail with a coastal eddy at times. Areas of patchy fog are possible over the coastal waters tonight. Visibility will be reduced to 1-3 nm in areas of fog resulting in hazardous navigation for mariners.


7 Day Forecast for Marine Location Near Beaumont, CA
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location: 33.85, -117     debug


Area Discussion for - San Diego, CA
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FXUS66 KSGX 040437 AAA AFDSGX

Area Forecast Discussion National Weather Service San Diego CA 930 PM PDT Mon Aug 3 2020

SYNOPSIS. A trough of low pressure deepening over the California coast during the middle of the week will spread cooling inland through Thursday. The marine layer will deepen, with night and morning coastal low clouds and fog spreading farther into the valleys during the middle of the week. For Friday through next weekend, the trough of low pressure will weaken with high temperatures warming to around seasonal averages for next weekend.

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

Evening Update:

No significant updates to the forecast were needed this evening. Coastal stratus clouds are filling in along the coastal strip and already pushing inland. These clouds will continue to fill into the western valleys overnight with areas of fog along the mesas possible and wherever low clouds interact with coastal terrain and into the valleys. Gusty onshore winds have decreased attm but earlier this evening we did have some gusty winds of 30 to 40 mph through the passes in the mountains and in the deserts. Diurnally gusty winds will continue for the next several days, with the strongest onshore wind gusts on Wednesday possibly up to 50 mph in the most favored locations.

Previous Discussion issued Monday afternoon:

Low clouds never cleared from the immediate coast today and are poised to begin spreading inland as soon as temps begin to cool off later this afternoon. The sea breeze has begun and some locations in the mtns and adjacent deserts are reporting wind gusts of 25 to 35 mph with humidities in the 10-20 percent range. Sfc pressure gradients remain onshore but have trended slightly weaker.

Through Thursday . High pressure will weaken over southern California and shift to the southeast as a trough of low pressure deepens along the California coast for the middle of the week. Desert areas will likely be as hot today as yesterday as 850 mb temperatures increase slightly and we lose the low-level moisture surge from the Gulf of California. This will be followed by general cooling for Tuesday through Thursday. West of the mountains, a cooling trend will continue into Thursday. Thursday high temperatures will be generally around 5 degrees below seasonal averages, except 5 to 10 degrees below average in some valley and mountain areas. The lower deserts will be around the seasonal average. As the trough asserts its influence over the region, we'll be effectively cut off from any access to sub- tropical moisture.

The marine layer will continue to deepen for the the middle of the week, reaching 2000 to 3000 feet with night and morning coastal low clouds and fog spreading farther into the inland valleys.

For late in the week into next weekend, the trough of low pressure will weaken and the high to the southeast will begin to expand westward into extreme southeastern California. There will be a warming trend with high temperatures returning to around average during the weekend.

AVIATION. 040320Z . Coast/Valleys . Stratus along the coast with bases 600- 1100 ft MSL will continue to fill in and begin to move inland by 06Z, spreading 10-15 mi inland overnight. Areas of vis 3-5 SM in BR/HZ, locally 1 SM or less on higher coastal terrain 10-15Z. Stratus clearing inland 14-16Z, while areas near the immediate coast may have intermittent CIGS through the afternoon. Clouds will begin to move back inland Tuesday evening with bases closer to 1000-1500 ft MSL.

Elsewhere, mostly clear with unrestricted vis through Tuesday evening. Areas of smoke near KBUO due to an ongoing wildfire.

Mountains/Deserts . Smoke from the Apple Fire will make it into portions of the San Bernardino mountains and the Coachella Valley through Tuesday. West winds with sfc gusts 25-35 kt along the mountain crests/desert slopes and below the passes through about 09Z. More widespread west winds with gusts 30-40 kt developing Tue afternoon and evening. Otherwise clear with unrestricted vis through Tuesday evening.

MARINE. No hazardous marine weather is expected through Saturday.

FIRE WEATHER. Lowest daytime humidity in the deserts and the lower desert slopes of the mountains will fall to 5 to 10 percent today, then recover slightly to around 10 percent for Wednesday through Friday. Sea breeze winds of 15 to 30 mph will continue each afternoon and evening for the mountains into the deserts. This combination of wind and low humidity will bring a few hours of near critical fire weather conditions during the late afternoon each day from the lower desert slopes of the mountains into the deserts. The diurnal onshore winds will be strongest Wednesday and Thursday afternoons and evenings.

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 . PG/JMB AVIATION/MARINE . SS


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46224 - Oceanside Offshore, CA (045) 53 mi85 min 71°F2 ft

Wind History for Los Angeles Pier J, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Riverside / March Air Force Base, CA15 mi1.9 hrsNW 510.00 miFair80°F50°F36%1012.5 hPa
San Bernardino Intl. Airport, CA22 mi61 minWSW 67.00 miClear84°F50°F31%1013.9 hPa

Link to 5 minute data for KRIV

Wind History from RIV (wind in knots)
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Last 24hrCalmCalmNW5CalmCalmNW3CalmCalmCalmCalmCalmSE3CalmS3SE3SW5W8W10NW12
G18
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1 day agoNW5W3W4CalmSE4CalmNW4CalmCalmS3CalmE3CalmCalmCalmE4CalmNW9NW10NW14NW13NW11NW8NW6
2 days agoNW5NW6W6CalmCalmCalmCalmCalmCalmCalmCalmSE3SE5SE5NE3W9NW9NW9NW12W11NW11NW9NW8Calm

Tide / Current Tables for San Clemente, California
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San Clemente
Click for Map
Tue -- 04:46 AM PDT     -0.80 feet Low Tide
Tue -- 06:05 AM PDT     Sunrise
Tue -- 06:55 AM PDT     Moonset
Tue -- 11:07 AM PDT     4.32 feet High Tide
Tue -- 04:14 PM PDT     1.82 feet Low Tide
Tue -- 07:46 PM PDT     Sunset
Tue -- 08:54 PM PDT     Moonrise
Tue -- 10:16 PM PDT     6.06 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.63.11.60.2-0.6-0.8-0.30.723.144.34.13.62.82.21.822.63.64.75.665.9

Tide / Current Tables for Newport Bay Entrance, Corona del Mar, California
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Newport Bay Entrance
Click for Map
Tue -- 04:51 AM PDT     -0.67 feet Low Tide
Tue -- 06:06 AM PDT     Sunrise
Tue -- 06:56 AM PDT     Moonset
Tue -- 11:13 AM PDT     4.26 feet High Tide
Tue -- 04:12 PM PDT     2.00 feet Low Tide
Tue -- 07:48 PM PDT     Sunset
Tue -- 08:55 PM PDT     Moonrise
Tue -- 10:21 PM PDT     6.08 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.83.31.80.4-0.4-0.7-0.30.71.933.94.24.13.62.92.322.12.73.64.75.666

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 (0,6,7,8)
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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 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.