Tuesday, January28, 2020
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Marine Weather and Tides
San Buenaventura (Ventura), 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 6:56AMSunset 5:24PM Tuesday January 28, 2020 2:21 AM PST (10:21 UTC) Moonrise 10:25AMMoonset 10:04PM Illumination 12% Phase: Waxing Crescent; Moon at 3 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- 823 Pm Pst Mon Jan 27 2020
.small craft advisory in effect from Tuesday afternoon through Wednesday morning...
Tonight..NW winds 10 to 20 k with local gusts to 25 kt, becoming 10 to 15 kt after midnight. Strongest western portion. Combined seas 6 to 8 ft dominant period 15 seconds.
Tue..Western portion, N winds 5 to 10 kt becoming nw 15 to 25 kt in the afternoon. Eastern portion, winds variable 10 kt or less becoming nw 10 to 15 kt in the afternoon. Combined seas 5 to 7 ft dominant period 15 seconds.
Tue night..Western portion, nw winds 15 to 25 kt becoming N after midnight. Eastern portion, nw winds 10 to 15 kt becoming N 5 to 10 kt after midnight. Combined seas 5 to 7 ft dominant period 8 seconds, building to 7 to 9 ft dominant period 6 seconds after midnight.
Wed..Western portion, N winds 15 to 25 kt becoming nw 10 to 20 kt by the afternoon. Eastern portion, winds variable 10 kt or less becoming sw 10 kt in the afternoon. Combined seas 6 to 8 ft dominant period 7 seconds.
Wed night..Western portion, nw winds 15 to 20 kt becoming variable 10 kt or less after midnight. Eastern portion, nw winds 5 to 10 kt becoming N after midnight. Combined seas 6 to 8 ft dominant period 8 seconds.
Thu..N winds 5 to 10 kt, becoming nw 15 to 20 kt in the afternoon. Wind waves 2 to 3 ft. W swell 4 to 6 ft at 11 seconds.
Thu night..W winds 10 to 15 kt, becoming N 5 to 10 kt after midnight. Wind waves 2 ft or less. W swell 3 to 5 ft at 14 seconds.
Fri..NW winds 5 to 10 kt. Wind waves 2 ft or less. W swell 3 to 5 ft.
Sat..NW winds 10 to 15 kt. Wind waves 2 ft or less. W swell 3 to 5 ft.
PZZ600 823 Pm Pst Mon Jan 27 2020
Synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park..At 03z or 7 pm pst, a 1032 mb high pressure center was located 500 nm west of point conception. The high will expand into california and the great basin Tue into Wed, resulting in gusty to gale force northwest winds and steep seas.


7 Day Forecast for Marine Location Near San Buenaventura (Ventura), CA
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location: 34.25, -119.31     debug


Area Discussion for - Los Angeles/Oxnard, CA
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FXUS66 KLOX 280618 AFDLOX

Area Forecast Discussion . UPDATED National Weather Service Los Angeles/Oxnard CA 1018 PM PST Mon Jan 27 2020

updated aviation discussion

SYNOPSIS. 27/715 PM.

Partly cloudy to mostly sunny skies are expected through the weekend except for areas of low clouds across the interior Tuesday night and Wednesday morning. Breezy to windy conditions will continue through Friday, with the strongest winds expected Tuesday night through Wednesday night. High temperatures will be above normal through Saturday.

SHORT TERM (MON-THU). 27/717 PM.

***UPDATE***

A windy night is underway across much of Southwest California, from southern Santa Barbara County through L.A. County with north flow over the area. Peak isolated gusts between 55 to 68 mph have been observed in the L.A. County Mountains, strongest near Whitaker Peak. Otherwise north winds gusting between 40 to 50 mph are common over the valleys and mountains of the L.A. and Ventura Counties and the SBA South Coast and Santa Ynez Range. These winds will continue through midday Tuesday before increasing further, with High Wind Watches in effect for many areas. These winds are a result of several inside slider storms moving southeast through the Great Basin, causing northerly surface pressure gradients closer to the coast.

Mostly clear skies are expected across the area tonight, aside from low clouds and fog in the Salinas Valley. Another warm day on tap for Tuesday as upper ridging builds over the area. Look for above-normal temperatures, with highs in the low to mid 70s from the Santa Ynez Valley down to L.A. County for the coast and valleys.

***From Previous Discussion***

The next inside slider Tuesday night will provide a reinforcing show of northerly wind support and cold air advection. Models have been consistent showing the northerly gradient increasing to well over 7mb (LAX-BFL) and as high as 8.5 on today's 12z NAM. Given what was observed with the winds in this most recent event and the strong northerly event earlier this month it's reasonable to assume we'll see gusts at or above 70 mph in the I5 corridor area and likely in the Montecito Hills area as well Tuesday night into early Wed and high wind watches have been issued for those areas on top of the ongoing wind advisories. Some of that wind will filter down into the valleys and likely the coastal regions as well so any areas south of Pt Conception not currently under advisories will likely need them during that time.

Winds will then shift to northeast Wed night into Thursday turning into a moderate to strong Santa Ana. It's not quite a traditional Santa Ana as there's more of a northerly component than easterly (at least at lower levels) but models are showing 40-50kt of wind from the northeast just below 850mb over the San Gabriels Wed night before weakening Thursday. Given the more northerly component this event may not provide as much wind to parts of western Ventura County but will still be quite strong for the eastern portion as well as the western portion of LA County. Models appear to have trended away from significant winds in the San Gabriel Valley but there will likely be some gusts at least into the 30s in the foothills.

After a couple degrees of additional warming Tuesday most areas will cool slightly Wednesday following the trough passage, then warm up again Thursday as the eastern Pacific ridge expands over California. Winds should be decreasing in all areas after Thursday morning.

LONG TERM (FRI-MON). 27/213 PM.

A very warm period Fri/Sat as the ridge peaks in strength and combines with light offshore flow to push temps into the 80s for the valleys south of Pt Conception and some of the coastal areas as well. Not quite as warm up north but still well above normal.

Sunday will be similar but 4-8 degrees cooler as the ridge shifts east and the next trough approaches from the west. Still looking for temps well into the 70s for the valleys but onshore flow will bring an earlier sea breeze.

On Monday a trough will pass through the west coast. The ECMWF is stronger with it but still with very minimal moisture while the GFS is weaker and quite dry except for a deepening marine layer. The most aggressive scenario at this point would be some morning drizzle or light precip across southern and eastern LA County under a 2000-3000' marine layer and onshore flow to help generate some lift below the San Gabriels. Most other areas it will either be too dry or under northwest (downslope) flow that wouldn't be conducive to precip. So the main impact will be to bring temps back down to normal or slightly below normal.

After that the models are still favoring a dry pattern for the next several days.

AVIATION. 28/0617Z.

At 0535Z at KLAX, the marine layer was 500 feet deep. The inversion top was near 900 feet with a temperature of 20 degrees Celsius.

Overall high confidence in 06Z TAFs in terms of flight categories, lower confidence on wind direction and speeds. Winds may fluctuate between NW to NE. For KPRB, IFR/LIFR conditions may arrive +/- an hour from forecast. There is a 20% chance of IFR conditions 12Z-18Z for KSBP. Due to gusty northerly winds, moderate turbulence and LLWS is possible through the TAF period.

KLAX . High confidence in 06Z TAF in terms of VFR conditions, lower confidence in terms of wind. Moderate confidence in N winds remaining under 10 kt through 12Z, but there is a 30% chance of N winds up to 13 kt. High confidence that any easterly wind component will be under 8 kt 14-18Z. Moderate turbulence and LLWS is possible through the TAF period.

KBUR . High confidence in 06Z TAF in terms of VFR conditions, lower confidence in terms of wind. Moderate turbulence and LLWS is possible through the TAF period.

MARINE. 27/643 PM.

Gusty northwest to north winds will continue through Wednesday. The strongest and most widespread winds look to be Tuesday night and Wednesday. For the waters from the Central Coast to San Nicolas Island, high confidence in at least Small Craft Advisory (SCA) conditions through Thursday. There is a 30 percent chance of Gale Force Winds south of Point Sal briefly tonight, and an 80 percent chance for Tuesday night and Wednesday. For the Santa Barbara Channel, the western portion will likely have SCA conditions in the near future, with a 30 percent chance tonight and a 90 percent chance Tuesday night into Wednesday. Winds over the Eastern Channel should stay under criteria, short period steep seas (SCA criteria) are likely on Wednesday. Similar story for the Santa Monica Basin, except with a better chance for SCA N winds on Wednesday.

The winds should weaken and become north to northeast Wednesday night through Thursday, but remain gusty and likely SCA for some areas.

A large long period west swell will impact the area through Thursday or Friday, along with a large and steep short period wave through Wednesday due to the winds.

BEACHES. 27/742 PM.

Moderate High Surf will continue through at least Tuesday. The swell is a complicated combination of a long period NW to W swell and a short period wave due to the persistent winds just off the coast. This may result in the surf heights being a little over forecast due to the difficulties in accounting for how much each of those wave groups are contributing to the overall wave height.

There should be a break in the surf Tuesday night into Wednesday, with the surf possibly going above High Surf again Wednesday night through Friday (especially for the Central Coast).

The public should be urged to stay away from rocks and jetties.

LOX WATCHES/WARNINGS/ADVISORIES. CA . High Surf Advisory in effect until 6 PM PST Tuesday for zones 34-35-40-41-87. (See LAXCFWLOX). Wind Advisory in effect until 3 AM PST Tuesday for zones 39-52. (See LAXNPWLOX). Wind Advisory in effect until 3 PM PST Thursday for zones 44-45. (See LAXNPWLOX). Wind Advisory in effect until noon PST Tuesday for zones 46-53-54-88. (See LAXNPWLOX). High Wind Watch in effect from Tuesday afternoon through Thursday afternoon for zones 46-53-54-88. (See LAXNPWLOX). High Wind Watch in effect from Tuesday evening through Wednesday evening for zone 52. (See LAXNPWLOX). PZ . Small Craft Advisory in effect until 6 AM PST Wednesday for zones 645-670. (See LAXMWWLOX). Small Craft Advisory in effect from 2 PM Tuesday to 9 AM PST Wednesday for zone 650. (See LAXMWWLOX). Small Craft Advisory in effect until 6 PM PST Tuesday for zones 673-676. (See LAXMWWLOX). Gale Watch in effect from Tuesday evening through Wednesday evening for zones 673-676. (See LAXMWWLOX).

.HAZARD POTENTIAL OUTLOOK (THU-MON).

Santa Ana winds continue Thursday along with possible gales across the coastal waters. Periods of high surf are expected for the Central Coast through Thursday.



PUBLIC . MW/Smith AVIATION . Stewart MARINE . Kittell/Smith BEACHES . Kittell/Smith SYNOPSIS . Smith/Stewart

weather.gov/losangeles


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
NTBC1 - Santa Barbara, CA - 9411340 23 mi45 min 60°F 1023.1 hPa
46053 - E. SANTA BARBARA - 12NM Southwest of Santa Barbara, CA 29 mi31 min WNW 7.8 G 12 63°F 58°F6 ft1023.6 hPa52°F
46025 - Santa Monica Basin - 33NM West Southwest of Santa Monica, CA 36 mi31 min NNW 9.7 G 12 61°F 61°F6 ft1022.5 hPa58°F
46251 36 mi51 min 60°F6 ft
46221 - Santa Monica Bay, CA (028) 45 mi25 min 60°F5 ft
ICAC1 - 9410840 - Santa Monica Pier 46 mi51 min 68°F 60°F1021.6 hPa

Wind History for Santa Barbara, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Oxnard, Oxnard Airport, CA6 mi30 minN 310.00 miFair48°F39°F71%1022.7 hPa
Camarillo, Camarillo Airport, CA12 mi26 minNW 310.00 miFair51°F36°F56%1023.4 hPa
Point Mugu, Naval Air Warfare Center, CA13 mi3.5 hrsNNW 610.00 miClear54°F41°F62%1023.1 hPa

Link to 5 minute data for KOXR

Wind History from OXR (wind in knots)
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Last 24hrCalmNE5NE3E4E7E5NE3NE6NE5W7W10W9W7W6CalmCalmCalmN3N5NE3NE3CalmCalmN3
1 day agoE3E4E6E4E6NE4E5E4E54CalmSE4W7CalmW4S3E3N4E4NE5E3NE7NE6NE6
2 days agoCalmCalmCalmSE3CalmNE3SE4S4S5S6S6W4SW64S3CalmCalmNW3CalmE6NE4CalmCalmCalm

Tide / Current Tables for Ventura, California
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Ventura
Click for Map
Tue -- 04:58 AM PST     2.12 feet Low Tide
Tue -- 06:57 AM PST     Sunrise
Tue -- 09:24 AM PST     Moonrise
Tue -- 10:47 AM PST     4.93 feet High Tide
Tue -- 05:22 PM PST     Sunset
Tue -- 05:53 PM PST     0.19 feet Low Tide
Tue -- 09:04 PM PST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.93.73.22.72.32.12.32.83.64.34.84.94.63.92.91.910.40.20.51.122.93.5

Tide / Current Tables for Port Hueneme, California
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Port Hueneme
Click for Map
Tue -- 04:55 AM PST     2.12 feet Low Tide
Tue -- 06:56 AM PST     Sunrise
Tue -- 09:24 AM PST     Moonrise
Tue -- 10:48 AM PST     4.93 feet High Tide
Tue -- 05:22 PM PST     Sunset
Tue -- 05:50 PM PST     0.19 feet Low Tide
Tue -- 09:04 PM PST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.93.73.22.72.32.12.32.93.64.34.84.94.63.92.91.90.90.30.20.51.222.93.5

Weather Map
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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.
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Wind Forecast for Los Angeles/Oxnard, CA (5,6,7,8)
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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.