Tuesday, September22, 2020
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Marine Weather and Tides
Rainbow, 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 6:35AMSunset 6:47PM Monday September 21, 2020 9:54 PM PDT (04:54 UTC) Moonrise 11:24AMMoonset 10:03PM Illumination 24% Phase: Waxing Crescent; Moon at 5 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- 132 Pm Pdt Mon Sep 21 2020
Tonight..Wind nw 10 kt in the evening...becoming variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 ft at 8 seconds and sw 2 ft at 19 seconds.
Tue..Wind variable less than 10 kt...becoming nw 10 kt with gusts to 15 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 ft at 7 seconds and sw 2 ft at 18 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 2 ft at 9 seconds and sw 2 ft at 17 seconds.
Wed..Wind nw 10 kt. Gusts to 15 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 ft at 10 seconds and sw 2 ft at 17 seconds.
Wed night..Wind nw 10 kt in the evening... Becoming variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 ft at 10 seconds and S 2 ft at 12 seconds.
Thu..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 S 2 to 3 ft.
Thu night..Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft and S 2 to 3 ft.
Fri..Wind S 10 kt. Gusts to 15 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft and S 2 to 3 ft.
Fri night..Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 4 ft and S 2 to 3 ft.
Sat..Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 4 ft and S 2 ft.
Sat night..Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft and S 2 to 3 ft.
PZZ700 132 Pm Pdt Mon Sep 21 2020
Synopsis for the far southern california coast.. At 1 pm, a 1021 mb high was 500 miles northwest of san francisco, and a 1008 mb low was near needles, california. Westerly afternoon sea breezes will prevail through Thursday. A coastal eddy spins up Thursday night which will bring southerly winds Friday and Saturday.


7 Day Forecast for Marine Location Near Rainbow, CA
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location: 33.42, -117     debug


Area Discussion for - San Diego, CA
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FXUS66 KSGX 220353 AFDSGX

Area Forecast Discussion National Weather Service San Diego CA 852 PM PDT Mon Sep 21 2020

SYNOPSIS. Fair weather will prevail this week. Areas of low clouds and fog will occur at times during the nights and mornings near the coast. Some gusty southwest to west winds will occur in the mountains and deserts through Tuesday night. It will be another mild day on Tuesday, but some warming will occur inland on Wednesday and Thursday. Slightly cooler Friday and Saturday, then offshore flow under a building high pressure ridge will bring more hot, dry, and breezy weather early next week. Autumn officially starts at 631 AM PDT Tuesday.

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

Skies were mostly clear at 8:30 PM PDT, but marine clouds were forming along the coast and should thicken and spread inland overnight with patchy fog. The sfc pressure gradients had a slight onshore trend with better support of SW-W winds over the mts/ deserts. Peak gusts were 25-35 MPH. The 00Z Miramar sounding was little changed from yesterday afternoon, except for stronger south flow of 15-25 KTS below 13K FT. Some moisture was drawn northward with these winds and resulted in some cumulus over the mts today, but they have disappeared with the sun. No forecast update this evening.

From previous discussion .

We will have a couple of troughs moving by to the north this week, though nothing too strong. The first will move by Tuesday with the second around Friday, with a moderate high pressure system over our area Wednesday/Thursday. That will result in the temperature fluctuations--milder with the trough Tue/Fri/Sat and increased west/southwest flow in the mountains/deserts and warmer Wed/Thu, with some highs in the upper 90s in the Inland Empire, even locally 100.

A pattern change will happen around Sunday as an upper high moves over the West Coast, and surface offshore flow develops. This looks like more of an easterly flow versus northerly flow, so most of the gusty east winds will occur on the west slopes in San Diego and Riverside Counties and through Banning/San Gorgonio Pass. Temperatures will be quite warm with near 100 possible west of the mountains again, and humidity will be low, around 10 percent in some valleys possible. That upper high could get strong over the western US early next week based on ensemble projections.

AVIATION. 220300Z . Coast/Valleys . Low clouds thus far have largely remained offshore, save for a few patchy spots along the coast. Have delayed onset time for CIGS at coastal terminals by a few hours - now expected closer to 06Z Tue. CIGS are expected to range between 700 and 1200 ft MSL, with tops to near 2000 ft MSL. The low clouds will spread up to 20 or 25 miles inland, especially after 09Z, bringing some vis restrictions of 1-4 SM in BR/FG to elevated coastal terrain and some western valleys. Significant vis reductions are not anticipated at the TAF sites, although KCRQ may lower to ~4 SM early morning. Clearing is expected 16-18Z Tue, with VFR conditions prevailing thereafter. Low clouds will redevelop, with similar CIGS, sometime after 02Z Wed.

Mountains/Deserts . High confidence in VFR conditions through Tue night, with clear skies and unrestricted vis.

MARINE. No hazardous marine conditions are expected through Saturday.

FIRE WEATHER. Gusty southwest-to-west winds of 15 to 30 MPH are expectd on Tuesday over the mts/deserts. Local gusts 35 MPH are likley near the major passes Tuesday afternoon/evening. Very dry conditions and marginally low RH will elevate the wildfire threat in the afternoon/evening on the desert slopes. The winds may weaken slightly on Wednesday, but it will be warmer with lower RH. Fire weather conditions will remain elevated all week, far inland, especially late afternoons and evenings with the onset of the sea breeze and continued warm and dry conditions.

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 . 10/Maxwell FIRE WEATHER . 10 AVIATION/MARINE . Rodriguez


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46224 - Oceanside Offshore, CA (045) 30 mi58 min 72°F2 ft
46266 35 mi54 min 67°F 71°F2 ft
46225 - Torrey Pines Outer, CA (100) 40 mi58 min 67°F3 ft
46254 41 mi58 min 72°F1 ft
LJAC1 - 9410230 - La Jolla, CA 41 mi54 min NNW 2.9 G 2.9 67°F 68°F1013.9 hPa
LJPC1 - La Jolla, CA (073) 41 mi34 min NW 2.9 G 5.1 1 ft

Wind History for La Jolla, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Oceanside, Camp Pendleton, Marine Corps Air Station, CA20 mi59 minN 09.00 miPartly Cloudy64°F55°F75%1013.8 hPa
Oceanside, Oceanside Municipal Airport, CA23 mi62 minVar 39.00 miMostly Cloudy65°F64°F97%1013.7 hPa
Carlsbad, McClellan-Palomar Airport, CA24 mi61 minW 310.00 miOvercast67°F61°F81%1013.6 hPa

Link to 5 minute data for KNFG

Wind History from NFG (wind in knots)
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Last 24hrCalmCalmNE3Calm--CalmNE4NE5NE4CalmNE3NE5CalmSE4S6SW8SW11SW6S9S9SW5SW4CalmCalm
1 day agoCalmNE3CalmCalmNE4NE3NE4NE6NE5NE6NE3--34S9
G15
SW8SW8SW96SW8SW5SW5CalmCalm
2 days agoCalmCalmW3CalmCalmCalmCalmCalmCalm--CalmCalmS3S8SW9SW9SW8SW10SW8S11S9S5SW4Calm

Tide / Current Tables for San Clemente, California
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San Clemente
Click for Map
Tue -- 01:48 AM PDT     3.71 feet High Tide
Tue -- 06:39 AM PDT     Sunrise
Tue -- 06:52 AM PDT     2.07 feet Low Tide
Tue -- 12:35 PM PDT     Moonrise
Tue -- 01:19 PM PDT     5.48 feet High Tide
Tue -- 06:46 PM PDT     Sunset
Tue -- 08:55 PM PDT     0.38 feet Low Tide
Tue -- 10:52 PM PDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.13.63.73.53.12.62.22.12.32.83.64.45.15.55.44.94321.10.60.40.61.1

Tide / Current Tables for La Jolla, Scripps Pier, California (2)
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La Jolla
Click for Map
Tue -- 02:03 AM PDT     3.82 feet High Tide
Tue -- 06:37 AM PDT     Sunrise
Tue -- 06:59 AM PDT     2.12 feet Low Tide
Tue -- 12:32 PM PDT     Moonrise
Tue -- 01:33 PM PDT     5.63 feet High Tide
Tue -- 06:44 PM PDT     Sunset
Tue -- 09:01 PM PDT     0.40 feet Low Tide
Tue -- 10:52 PM PDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.13.63.83.73.22.72.32.12.32.83.64.45.15.65.65.24.43.32.21.20.60.40.61.1

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.