Saturday, October31, 2020
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L-36.com

Marine Weather and Tides
Hemet, 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 5:57PM Saturday October 31, 2020 6:56 PM PDT (01:56 UTC) Moonrise 6:19PMMoonset 7:04AM 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- 126 Pm Pdt Sat Oct 31 2020
Tonight..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 1 to 2 ft at 7 seconds. Patchy dense fog with vsby 1 nm or less.
Sun..Wind variable less than 10 kt...becoming W 10 kt in the afternoon. Wind waves 2 ft or less. SWell W 1 ft at 8 seconds. Patchy dense fog with vsby 1 nm or less in the morning.
Sun night..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 1 ft at 8 seconds.
Mon..Wind variable less than 10 kt...becoming W 10 kt in the afternoon. Wind waves 2 ft or less. SWell W 1 ft at 8 seconds.
Mon night..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 1 to 2 ft at 8 seconds.
Tue..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 1 to 2 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 ft.
Thu..Wind variable less than 10 kt...becoming nw 10 kt in the afternoon. Wind waves 2 ft or less. SWell W 2 ft.
Thu night..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 2 to 3 ft.
PZZ700 126 Pm Pdt Sat Oct 31 2020
Synopsis for the far southern california coast..At 1 pm, a 1033 mb high was over northern idaho and a 1015 mb low was over the southern california bight. Weak offshore flow during nights and mornings will alternate with weak onshore flow during afternoons and evenings through Tuesday. Areas of fog with visibility around 1 nautical mile is expected nights and mornings tonight through Monday.


7 Day Forecast for Marine Location Near Hemet, CA
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location: 33.72, -117.01     debug


Area Discussion for - San Diego, CA
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FXUS66 KSGX 312011 AFDSGX

Area Forecast Discussion National Weather Service San Diego CA 110 PM PDT Sat Oct 31 2020

SYNOPSIS. High pressure aloft will continue warm days and cool nights across Southern California well into next week. A shallow moist layer will maintain areas of dense fog near the coast and over the coastal waters through Sunday, while higher clouds drift overhead. We will see a noticeable change in the weather by the end of next week as a trough brings much cooler weather with strong westerly winds over the mountains and deserts, and even a chance for some light precipitation west of the mountains.

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

Satellite imagery continued to show patchy low clouds/fog over our coastal waters at midday. Huntington Beach still had dense fog but most other areas had improved. The fog was becoming more difficult to see due to increasing high clouds from the south, but most areas still had sunny skies. An offshore trend has boosted sfc pressure gradients enough to fuel gusty NE winds below passes and along the coastal slopes and below passes. Peak winds of 35-40 MPH have been recorded, along with very low relative humidity inland.

Some dense fog may still reappear along the Coast overnight, but given the offshore flow, and increasing high clouds, any dense fog should remain patchy and not obscure your view of the brilliant Hunter's Moon this evening rising in the east. This Halloween spectacle may help you remember to "Fall Back" this evening as we head into Standard Time again early Sunday morning. Then, look for another sunny and warmer day to start the month of November.

The upper low associated with a rex block over the EastPac will be pulled north over the CA Bight through Sunday as the associated ridge axis drifts eastward. Several disturbances circulating about the upper low will pull some elevated moisture and instability over SoCal through Monday. Look for some high clouds that could drop a few sprinkles, and the instability could spark some isolated pockets of downdraft winds over the mountains, but no thunder or significant rain is expected for now. Patchy dense fog may remain trapped over the coastal waters and reach some beaches through at least Sunday.

The upper low opens and drifts inland on Tuesday, helping to weaken the offshore flow. This should result in minor cooling, but daytime temperatures will continue above average, and very warm again through midweek as the ridge aloft strengthens.

More noticeable weather changes are in the works for the weekend. There is a broad model consensus that a disturbance in the westerly wind belt far to the north will take dive south over the EastPac and swing inland along the West Coast. Besides bringing strong westerly winds to our mts/deserts, it will mean much cooler weather, and even a chance for some light precipitation early next weekend. Details and timing are yet to be worked out, but for now small POPS are broadly brushed into the fcst from late Fri night through Saturday.

AVIATION. 311925Z . A few low clouds with localized fog will persist this afternoon at the beaches. Low clouds and fog likely to return to coastal areas vcnty TAF locations after 03Z Sunday. Bases expected to remain below 400 ft MSL with locally dense fog restricting vis to 1 mile or less at times. Moderate confidence in cig and vis impacts at TAF sites between 05Z and 14Z Sunday. Expect clearing to the beaches 15Z to 18Z Sunday.

Otherwise, mostly clear with unrestricted vis through Sunday.

MARINE. Patchy low clouds and fog with visibility around 1 nautical mile or less may form again tonight. Otherwise, no hazardous marine conditions are expected through Wednesday.

FIRE WEATHER. Weak to locally moderate offshore flow inland will continue through Monday. Lowest daytime humidity of 10 to 15 percent, combined with locally gusty east to northeast winds of 15 to 25 MPH and isolated gusts to 35 MPH below the passes, will continue elevated fire weather conditions in these areas. The afternoons will be quite warm through the middle of next week, even as the dry air rapidly gives up that heat each evening. More high clouds will overspread the region as well, due to instability and moisture with weak low pressure aloft, but at this time no weather is expected.

The upper low will help to weaken offshore flow further Tuesday and Wednesday, which should trend us slightly cooler, with a moderation in RH. Temperatures will remain above average, but wind gusts are expected to be 25 MPH or less for most areas.

After a very warm Thursday, a pattern change will turn winds decidedly onshore Friday, with strong westerly winds possible over the mountains and deserts into next weekend. There is also a small chance for light showers along and west of the mountains early next weekend.

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 . 10 AVIATION/MARINE . PG


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46224 - Oceanside Offshore, CA (045) 45 mi61 min 67°F2 ft

Wind History for La Jolla, CA
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Riverside / March Air Force Base, CA18 mi59 minW 710.00 miPartly Cloudy79°F34°F20%1016 hPa

Link to 5 minute data for KRIV

Wind History from RIV (wind in knots)
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Last 24hrNW7W3CalmNW4CalmCalmCalmCalmNW3CalmCalmCalmCalmCalmCalmS3N3CalmN3E13E10E7--W7
1 day agoCalmCalmNW3CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmN3CalmCalmW6W7NW12NW7
2 days agoW4CalmCalmCalmN4CalmCalmCalmCalmCalmCalmCalmN3CalmCalmCalmCalmE6N4CalmCalmNE3CalmNW5

Tide / Current Tables for San Clemente, California
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San Clemente
Click for Map
Sat -- 03:11 AM PDT     1.08 feet Low Tide
Sat -- 07:06 AM PDT     Moonset
Sat -- 07:08 AM PDT     Sunrise
Sat -- 07:51 AM PDT     Full Moon
Sat -- 09:20 AM PDT     5.65 feet High Tide
Sat -- 04:03 PM PDT     0.05 feet Low Tide
Sat -- 05:58 PM PDT     Sunset
Sat -- 06:21 PM PDT     Moonrise
Sat -- 10:06 PM PDT     4.18 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.12.21.41.11.3234.25.15.65.54.83.72.41.20.40.10.31.12.13.13.94.24

Tide / Current Tables for Newport Bay Entrance, Corona del Mar, California
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Newport Bay Entrance
Click for Map
Sat -- 03:10 AM PDT     1.33 feet Low Tide
Sat -- 07:07 AM PDT     Moonset
Sat -- 07:10 AM PDT     Sunrise
Sat -- 07:51 AM PDT     Full Moon
Sat -- 09:21 AM PDT     5.66 feet High Tide
Sat -- 04:03 PM PDT     0.15 feet Low Tide
Sat -- 05:59 PM PDT     Sunset
Sat -- 06:22 PM PDT     Moonrise
Sat -- 10:13 PM PDT     4.19 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.22.41.71.31.52.13.14.25.15.65.54.93.82.51.30.50.20.41.12.13.13.84.24

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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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 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.