Tuesday, February18, 2020
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Marine Weather and Tides
Hemet, 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 6:27AMSunset 5:35PM Tuesday February 18, 2020 12:28 PM PST (20:28 UTC) Moonrise 4:03AMMoonset 2:12PM Illumination 24% Phase: Waning Crescent; Moon at 25 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- 220 Am Pst Tue Feb 18 2020
Today..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 1 to 2 ft at 8 seconds.
Tonight..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 1 to 2 ft at 14 seconds.
Wed..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 1 to 2 ft at 13 seconds.
Wed night..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 1 to 2 ft at 9 seconds.
Thu..Wind variable less than 10 kt...becoming nw 10 kt in the afternoon. Wind waves 2 ft or less. SWell W 1 to 2 ft at 6 seconds.
Thu night..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 1 ft.
Fri..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 1 to 2 ft.
Fri night..Wind variable less than 10 kt...becoming S 10 kt after midnight. Wind waves 2 ft or less. SWell W 1 to 2 ft. Slight chance of showers after midnight.
Sat..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 2 to 3 ft. Slight chance of showers.
Sat night..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 2 to 3 ft.
PZZ700 220 Am Pst Tue Feb 18 2020
Synopsis for the far southern california coast.. At 2 am a 1033 mb high was over wyoming and a 1011 mb low was over guaymas, mexico. A 1014 mb low covered the channel islands. A coastal eddy will spin today and tonight. Onshore flow will alternate with offshore flow Wednesday through Saturday, producing generally light and variable winds. A weak weather system will bring a small chance of showers Friday night and Saturday.


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 181646 AFDSGX

Area Forecast Discussion National Weather Service San Diego CA 846 AM PST Tue Feb 18 2020

SYNOPSIS. Low clouds will gradually clear toward the beaches this morning, but return tonight with patchy fog likely into the western valleys. Coastal clouds will be less likely Wednesday night. Thursday should be the warmest day of the week, with light offshore flow in inland areas, before cooler weather returns Friday into Saturday. Light to moderate showers will be possible Friday night and Saturday, with dry weather prevailing thereafter.

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

Low clouds this morning have been a little more widespread thanks to the coastal eddy, extending well into the valleys of San Diego County and inland areas of northern Orange County. A few locations in the valleys, such as Ramona, have been reporting dense fog with visibilities quarter mile or less. Clouds will gradually retreat toward the coast through mid morning amd may linger near the beaches through the day.

An increase in high clouds today should keep us a touch cooler than yesterday, but still a few degrees above normal. Low clouds will return to coastal areas again tonight, extending into the western valleys and resulting in patchy dense fog through Wednesday morning, with highs tomorrow a few degrees lower than today.

Coastal low clouds will be much less widespread come Wednesday night into Thursday, with weak offshore flow developing across inland areas on Thursday. This will help areas west of the mountains warm quite noticeably.

Onshore flow returns Friday as a closed low develops off the coast of Central California, along with an increase in mid and high level clouds. There's better agreement today on timing and track among model guidance, suggesting Friday night and Saturday will be the focus for any precipitation as the low tracks through our area and brings a more substantial drop in temperatures. However, differences continue with regard to potential precip amounts, with the GFS and its ensemble members noticeably drier than their ECMWF counterparts. Either way, amounts look to be modest, with mountains likely favored for higher totals. Preliminary snow levels look to be in the range of 5500 to 6500 feet. Dry weather will prevail Sunday and into early next week, as broad northwest flow takes hold aloft.

AVIATION. 181630Z . Most low clouds have cleared in northern areas this morning with the exception for the San Diego coast and valleys. Clear out time for these 1500 FT MSL cigs trending a little slower this morning, clearing first toward the coast 17-18Z, then the valleys after 18Z. Coastal slopes obscured in clouds/fog will slowly improve this morning. High clouds AOA 25K FT MSL will continue across the region throughout the day with light breezes. Moderate to high confidence in more low clouds and patchy areas of fog again tonight.

MARINE. No hazardous marine weather is expected through Saturday.

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 . Rodriguez/JJT AVIATION/MARINE . APR


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46224 - Oceanside Offshore, CA (045) 45 mi59 min 60°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 mi91 minN 010.00 miFair69°F34°F28%1015.2 hPa

Link to 5 minute data for KRIV

Wind History from RIV (wind in knots)
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Last 24hrCalmW7W7W8W8W6CalmCalmCalmCalmCalmCalmCalmCalmCalmCalm--CalmCalmCalmCalmCalmCalmCalm
1 day agoS5NW7NW6NW7--NW6W4CalmSW3CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalm
2 days agoCalmN3N8NW6W5W6W4CalmCalmCalmCalmCalmN3CalmCalmCalmCalmCalmCalmCalmCalmCalmSE3Calm

Tide / Current Tables for San Clemente, California
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San Clemente
Click for Map
Tue -- 03:05 AM PST     Moonrise
Tue -- 05:17 AM PST     5.29 feet High Tide
Tue -- 06:31 AM PST     Sunrise
Tue -- 12:45 PM PST     -0.52 feet Low Tide
Tue -- 01:15 PM PST     Moonset
Tue -- 05:37 PM PST     Sunset
Tue -- 07:21 PM PST     3.60 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.42.83.54.34.95.35.24.63.72.51.30.2-0.4-0.5-0.10.61.62.53.23.63.53.22.72.3

Tide / Current Tables for Newport Beach, Newport Bay Entrance, Corona del Mar, California (sub)
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


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 (15,3,4,5)
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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.