Monday, September28, 2020
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Marine Weather and Tides
Indio, 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 6:36AMSunset 6:34PM Monday September 28, 2020 5:13 PM PDT (00:13 UTC) Moonrise 5:25PMMoonset 3:33AM Illumination 89% Phase: Waxing Gibbous; Moon at 12 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- 139 Pm Pdt Mon Sep 28 2020
Tonight..Wind nw 10 kt. Wind waves 2 ft or less. Mixed swell W 2 ft at 10 seconds and sw 2 ft at 19 seconds.
Tue..Wind nw 10 to 15 kt. Wind waves 2 ft or less. Mixed swell nw 2 to 3 ft at 10 seconds and sw 2 to 3 ft at 19 seconds.
Tue night..Wind nw 10 kt in the evening... Becoming variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 1 to 3 ft at 11 seconds and sw 2 to 3 ft at 18 seconds.
Wed..Wind nw to 10 kt. Gusts to 15 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft at 13 seconds and sw 2 to 3 ft at 17 seconds.
Wed night..Wind nw to 10 kt in the evening... Becoming variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft at 12 seconds and sw 2 to 3 ft at 16 seconds.
Thu..Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 3 ft and sw 2 ft.
Thu night..Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft and sw 2 ft.
Fri..Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft and sw 2 ft.
Fri night..Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft and sw 2 ft.
Sat..Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft and sw 2 ft.
Sat night..Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft and sw 1 to 2 ft.
PZZ700 139 Pm Pdt Mon Sep 28 2020
Synopsis for the far southern california coast..At 2 pm, a 1027 mb high was about 585 miles west of medford oregon, 1036 mb high was over western Montana and a 1011 mb low was over the santa ana mountains. Weak onshore flow will continue through most of this week, though stronger northwest winds will occur near san clemente island Tuesday afternoon and evening. Patchy fog could develop over the coastal waters late tonight.


7 Day Forecast for Marine Location Near Indio, CA
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location: 33.73, -116.24     debug


Area Discussion for - San Diego, CA
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FXUS66 KSGX 282027 AFDSGX

Area Forecast Discussion National Weather Service San Diego CA 130 PM PDT Mon Sep 28 2020

SYNOPSIS. A weak Santa Ana wind event will continue through Tuesday and bring areas of gusty east to northeast winds, strongest in most areas Tuesday morning, very low humidity and increasing temperatures. Critical fire weather conditions will occur through Tuesday in some of the mountains and valleys. The hottest driest conditions will be Wednesday, though winds will be considerably less then. A cooling trend will begin Thursday or Friday as the upper high weakens a little.

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

At early afternoon, skies were mostly sunny except for a few patches of stratus along the immediate coast. Temperatures were mostly 5-10 deg F higher than 24 hours ago. The east to northeast winds were mostly under 40 MPH for gusts this morning and were mostly 30 MPH or less by noon.

High pressure aloft will prevail this week over the far western US, with a generally weak Santa Ana wind event through Tuesday. The hottest weather will come Tuesday-Thursday, especially Wednesday, with 850 mb temps reaching the 25-26 deg C range, combined with low RH and very dry soils/vegetation to help maximize surface heating. ECMWF ensemble solutions show temps likely reaching 105 or higher in parts of the Inland Empire and possibly even hottest parts of inland Orange County Tue and Wed. The lower deserts will reach 110 or higher in hottest locations. One concern with the temperatures is that parts of the San Diego County mesas could reach 100, especially Wed when the hot airmass gets closest to the coast, so the heat advisory has been extended to the San Diego County coastal zone for Tue-Thu. Winds will increase Tue morning in places normally prone to easterly winds in the San Diego and Riverside County mountains and valleys, with some gusts around 45 MPH possible Tuesday morning, based on output from the Cansac WRF and our local San Diego NWS WRF.

When will the heat end? Cooling will be a gradual process as the ridge will continue to prevail over the West, while a broad long- wave trough prevails over the Midwest and northeastern US. However, the upper high will gradually weaken late this week, so a cooling trend should begin Thursday or, more likely, Friday and continue through the weekend. Longer range progs show some disturbances off the coast next week, and while they are unlikely to have much moisture with them, some ensemble solutions suggest a small chance of light precipitation the second half of next week, but nothing that would have an impact on our vegetation or soils.

AVIATION. 281950Z . Coast/Valleys . Patchy low clouds lingering at the beaches this afternoon. Some low clouds could redevelop this evening after 03Z in the coastal areas, but cig/vis impacts at TAF sites are uncertain tonight.

Mountains/Deserts . Clear with unrestricted vis through tonight. East winds 15-20 kts gusting up to 35 kts, near passes, and along and west of mtn ridgetops will produce localized LLWS and MOD up/downdrafts west of the mtns through tonight.

MARINE. Northwest winds with occasional gusts around 20 kts in the outer waters Tuesday afternoon and evening. Otherwise, no hazardous marine conditions are expected through Friday.

FIRE WEATHER. The offshore flow will bring periods of gusty east to northeast winds through Tuesday. Winds for northern areas, along and below the slopes of the San Bernardino County mountains and below the Cajon Pass are expected to be weaker, with gusts of 35 mph or less on Tuesday. For the coastal slopes of the mountains into adjacent valley areas in Riverside and San Diego Counties and in the Inland Empire below the San Gorgonio Pass, east winds will actually peak Tuesday morning with gusts locally around 45 mph Tuesday. Lowest humidity this afternoon for the mountains into the inland valleys will fall to around 10 to 15 percent and to 8-12 percent or even a little lower Tuesday. Thus, Tuesday should have critical fire weather conditions in San Diego and Riverside County mountains west into the valleys, and the red flag warning was extended there through 5 PM Tue. Temperatures will peak with humidities lowest Wednesday, though winds will be much lighter.

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

SGX WATCHES/WARNINGS/ADVISORIES. CA . Red Flag Warning until 5 PM PDT Tuesday for Riverside County Mountains-Including The San Jacinto Ranger District Of The San Bernardino National Forest-San Bernardino and Riverside County Valleys -The Inland Empire-San Diego County Inland Valleys-San Diego County Mountains-Including The Palomar And Descanso Ranger Districts of the Cleveland National Forest-San Gorgonio Pass Near Banning.

Heat Advisory from 10 AM Tuesday to 8 PM PDT Thursday for Orange County Inland Areas-San Bernardino and Riverside County Valleys-The Inland Empire-San Diego County Coastal Areas- San Diego County Valleys.

Red Flag Warning until 5 PM PDT this afternoon for San Bernardino County Mountains-Including The Mountain Top And Front Country Ranger Districts Of The San Bernardino National Forest.

PZ . NONE.



PUBLIC/FIRE WEATHER . Maxwell AVIATION/MARINE . PG


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46224 - Oceanside Offshore, CA (045) 76 mi77 min 72°F3 ft

Wind History for La Jolla, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Palm Springs Regional Airport, CA16 mi20 minSSW 410.00 miFair105°F35°F9%1009.9 hPa

Link to 5 minute data for KTRM

Wind History from TRM (wind in knots)
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Last 24hrN75W4S84
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1 day agoS6SE7SE5SE7E8SE10SE13SE8SE7SE9SE11SE4N7NW12NE4S5N6N3NW6NW4N5N5N4NW5
2 days agoNW10NW4W7CalmE7SE9SE7SE63S3NW8NW10NW12NW13NW12NW12NW13
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Tide / Current Tables for San Clemente, California
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San Clemente
Click for Map
Mon -- 02:11 AM PDT     -0.29 feet Low Tide
Mon -- 03:39 AM PDT     Moonset
Mon -- 06:42 AM PDT     Sunrise
Mon -- 08:34 AM PDT     4.81 feet High Tide
Mon -- 02:11 PM PDT     1.50 feet Low Tide
Mon -- 05:29 PM PDT     Moonrise
Mon -- 06:38 PM PDT     Sunset
Mon -- 08:03 PM PDT     5.51 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.10.1-0.3-0.10.71.83.14.14.74.84.33.52.61.91.51.72.33.34.45.25.55.24.43.2

Tide / Current Tables for La Jolla, Scripps Pier, California
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La Jolla
Click for Map
Mon -- 02:10 AM PDT     -0.08 feet Low Tide
Mon -- 03:38 AM PDT     Moonset
Mon -- 06:41 AM PDT     Sunrise
Mon -- 08:36 AM PDT     4.72 feet High Tide
Mon -- 02:07 PM PDT     1.68 feet Low Tide
Mon -- 05:27 PM PDT     Moonrise
Mon -- 06:36 PM PDT     Sunset
Mon -- 08:04 PM PDT     5.51 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.20.3-0.10.10.81.93.14.14.64.74.33.52.721.71.92.53.44.45.25.55.34.53.3

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
Ground Weather Radar Station San Diego, 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.