Thursday, January23, 2020
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Marine Weather and Tides
Channel Islands Beach, 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 6:58AMSunset 5:19PM Thursday January 23, 2020 5:16 AM PST (13:16 UTC) Moonrise 7:13AMMoonset 5:20PM Illumination 3% Phase: Waning Crescent; Moon at 28 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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PZZ650 East Santa Barbara Channel From Pt. Conception To Pt. Mugu Ca Including Santa Cruz Island- 231 Am Pst Thu Jan 23 2020
Today..Winds variable 10 kt or less, becoming W 10 kt in the afternoon. Wind waves 2 ft or less. W swell 2 to 4 ft at 12 seconds. Patchy dense fog with visibility 1 nm or less.
Tonight..W winds 10 to 15 kt, becoming 5 to 10 kt after midnight. Wind waves 2 ft or less. W swell 2 to 4 ft at 11 seconds.
Fri..W winds 10 to 15 kt. Wind waves 2 ft or less. W swell 2 to 3 ft at 12 seconds.
Fri night..W winds 15 to 20 kt with local gusts to 25 kt, becoming ne 5 to 10 kt after midnight. Wind waves 1 to 3 ft. W swell 4 to 6 ft at 12 seconds, building to 6 to 8 ft at 13 seconds after midnight.
Sat..E winds 5 to 10 kt, becoming W 10 to 15 kt in the afternoon. Wind waves 1 to 3 ft. W swell 5 to 7 ft at 16 seconds.
Sat night..W winds 10 to 15 kt, becoming nw 15 to 20 kt with gusts to 25 kt after midnight. Wind waves 2 to 4 ft. W swell 4 to 6 ft at 15 seconds.
Sun..NW winds 15 to 25 kt with gusts to 30 kt. Combined seas 6 to 8 ft.
Mon..NW winds 15 to 25 kt with gusts to 35 kt. Combined seas 8 to 11 ft.
PZZ600 231 Am Pst Thu Jan 23 2020
Synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park..At 10z or 2 am pst, a 1025 mb surface high was centered around 450 nm sw of point conception, while an inverted trough was over the southern california bight. Dense fog with visibility one nautical mile or less will affect portions of the coastal waters this morning. Northwest flow will increase across the outer waters tonight through Friday with seas building.


7 Day Forecast for Marine Location Near Channel Islands Beach CDP, CA
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location: 34.15, -119.26     debug


Area Discussion for - Los Angeles/Oxnard, CA
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FXUS66 KLOX 231150 AFDLOX

Area Forecast Discussion National Weather Service Los Angeles/Oxnard CA 350 AM PST Thu Jan 23 2020

SYNOPSIS. 23/319 AM.

High pressure will keep the area dry through Saturday, with near to slightly above normal temperatures. A very weak cold front will bring increasing clouds and a chance of light rain to mainly northern areas Sunday, Dry and breezy weather is expected Monday through Wednesday with a warming trend.

SHORT TERM (TDY-SAT). 23/342 AM.

Except for some low clouds across interior sections of SLO and SBA Counties, and some patchy low clouds and local dense fog on the Central Coast and in the Santa Ynez Valley, skies were clear across the region. Any low clouds should be gone my mid morning, though they may hang on until late morning across interior SLO/SBA Counties. Otherwise, today should be a mostly sunny, with just some high clouds drifting across the region from time to time.

Pressure gradients were now offshore, running about 3 mb offshore between KLAX and KDAG. Some gusty northeast winds have developed in the mountains and locally in the valleys of L.A. and VTU Counties, and winds will likely increase, and become more widespread in the mtns and valleys of L.A./VTU Counties, possibly reaching the Ventura County coastal plain. However, with marginal gradients and little upper level support, expect winds to remain well below advisory levels today. Rising heights and thicknesses thanks to an amplifying ridge moving right over the region today, warning at 850 mb and offshore flow should bring several degrees of warming to most areas today. The most significant warming is expected in coastal and valley areas of L.A./VTU Counties, where the warmest locations should have high temps well up into the 70s.

A very weak short wave trough zips across the region tonight, but then ridging develops across the region once again behind this feature on Fri. Gradients stay weakly offshore, so there may still be some locally gusty winds, but expect any northeast winds to be weaker and more localized on Fri than they area today. There could be a degree of two of cooling on Fri, especially across the coastal plain. Do not expect the quick moving weak trough to really assist in developing an organized stratus layer, so expect just varying amounts of highs tonight/Fri, with possibly some local stratus/fog.

There will be some increase in N-S gradients Fri night, so there could be some gusty winds thru and below passes and canyons of the Santa Ynez Range. Otherwise, the positively tilted upper ridge will hold across the region into Sat, and W-E gradients will remain weakly offshore. Cross sections indicate that there will likely be some increase in high clouds on Sat, especially north of Pt Conception, which could knock a couple of degrees off max temps there. Otherwise, mostly minor changes in max temps are expected, generally running near to a few degrees above normal.

LONG TERM (SUN-WED). 23/350 AM.

The ridge will move to the east of the region on Sunday as a weak trough moves into the West Coast. Models have been trending weak and weaker with this system, and it now appears that it may only bring rain, (light at that), to areas north of Pt Conception on Sunday. Elsewhere, expect increasing clouds on Sunday, with some cooling.

Behind that system, ridging will return to the region, so expect dry weather Monday through Wednesday, with a warming trend. It does appear as though there could be an extended period of gusty north winds, which will probably reach at least advisory levels at times.

AVIATION. 23/1032Z.

At 0830Z, there was no marine layer at KLAX.

Moderate confidence in the current forecast. There is a chance of VLIFR to LIFR conditions at coastal terminals and KPRB through 16Z. VFR conditions should develop at all terminals by 18Z. There is a chance of VLIFR to LIFR conditions at KPRB after 09Z.

KLAX . There is a 30 percent chance of VLIFR to LIFR conditions at KLAX through 16Z. Otherwise, VFR conditions are expected through the period. Any east winds will remain less than 7 knots.

KBUR . VFR conditions are expected through the period. No wind impacts are expected at this time.

MARINE. 23/244 AM.

For the Outer Waters, high confidence in the current forecast. Small Craft Advisory (SCA) level seas will be below SCA levels today, then winds and seas will conditions will deteriorate tonight through Friday. High confidence in both SCA level northwest winds and SCA level seas developing. There is a 40 percent chance of gale force winds on Monday.

For the Inner Waters north of Point Sal, moderate-to-high confidence in the current forecast. For today through early Friday, winds and seas will remain below SCA levels. There is a 50 percent chance of SCA northwest winds and SCA level seas on Friday afternoon and night, increasing to 80 percent Saturday through Monday.

For the Inner Waters south of Point Conception, moderate-to-high confidence in the current forecast. Winds and seas are expected to remain below SCA levels through Saturday. There is a 30 percent chance of SCA level winds on Saturday evening across the Santa Barbara Channel. For Sunday and Monday, there is a 70-80 percent chance of SCA level west to northwest winds developing.

BEACHES. 23/236 AM.

High surf could redevelop Saturday and Saturday night at all beaches. There is 50-60 percent chance that a HIGH SURF ADVISORY will be needed. Even larger surf is possible late Sunday through Tuesday.

LOX WATCHES/WARNINGS/ADVISORIES. CA . NONE. PZ . Small Craft Advisory in effect from 3 AM Friday to 3 AM PST Sunday for zones 670-676. (See LAXMWWLOX). Small Craft Advisory in effect from 9 PM this evening to 3 AM PST Sunday for zone 673. (See LAXMWWLOX).

.HAZARD POTENTIAL OUTLOOK (SAT-WED).

There is the possibility of gusty north winds on Monday and Tuesday, especially through the Santa Ynez Range and the Interstate 5 Corridor.



PUBLIC . DB AVIATION . Hall MARINE . Hall BEACHES . Hall SYNOPSIS . DB

weather.gov/losangeles


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46025 - Santa Monica Basin - 33NM West Southwest of Santa Monica, CA 29 mi27 min WSW 5.8 G 7.8 58°F 60°F4 ft1020.3 hPa
NTBC1 - Santa Barbara, CA - 9411340 29 mi41 min 55°F 1020.4 hPa
46251 31 mi17 min 59°F5 ft
46053 - E. SANTA BARBARA - 12NM Southwest of Santa Barbara, CA 32 mi17 min N 1.9 G 5.8 56°F 60°F1020.7 hPa (+0.0)
46221 - Santa Monica Bay, CA (028) 39 mi21 min 60°F5 ft
ICAC1 - 9410840 - Santa Monica Pier 41 mi47 min 55°F 59°F1020.2 hPa

Wind History for Santa Barbara, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Oxnard, Oxnard Airport, CA5 mi26 minNW 47.00 miFair50°F46°F89%1020.1 hPa
Camarillo, Camarillo Airport, CA10 mi22 minS 510.00 miFair48°F43°F83%1020.8 hPa

Link to 5 minute data for KOXR

Wind History from OXR (wind in knots)
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Last 24hrNE7NE6NE6NE5NE3E3S8W5W5W44W3SW3CalmN3E4E4NE3NE4E3CalmNE7NE5NW4
1 day agoCalmN3CalmCalmNW4W8W6W10W8W11W11W8W6W5W5CalmCalmCalmE3NE5NE6NE6NE5NE7
2 days agoCalmCalmCalmE8SW5CalmCalmS4SW5S4CalmS5NW3N3CalmCalmCalmW3CalmN4CalmCalmE3Calm

Tide / Current Tables for Port Hueneme, California
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Port Hueneme
Click for Map
Thu -- 01:47 AM PST     2.11 feet Low Tide
Thu -- 06:12 AM PST     Moonrise
Thu -- 06:59 AM PST     Sunrise
Thu -- 07:56 AM PST     6.24 feet High Tide
Thu -- 03:14 PM PST     -1.09 feet Low Tide
Thu -- 04:19 PM PST     Moonset
Thu -- 05:17 PM PST     Sunset
Thu -- 09:43 PM PST     3.85 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.62.22.12.43.24.25.266.25.94.93.520.5-0.6-1.1-0.9-0.20.92.13.13.73.83.5

Tide / Current Tables for Ventura, California
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Ventura
Click for Map
Thu -- 01:50 AM PST     2.11 feet Low Tide
Thu -- 06:13 AM PST     Moonrise
Thu -- 07:00 AM PST     Sunrise
Thu -- 07:55 AM PST     6.24 feet High Tide
Thu -- 03:17 PM PST     -1.09 feet Low Tide
Thu -- 04:19 PM PST     Moonset
Thu -- 05:17 PM PST     Sunset
Thu -- 09:42 PM PST     3.85 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.72.22.12.43.24.25.266.25.94.93.620.5-0.6-1.1-0.9-0.20.92.13.13.73.83.5

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 Los Angeles/Oxnard, CA (8,2,3,4)
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Ground Weather Radar Station Los Angeles, 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.