Saturday, January25, 2020
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Marine Weather and Tides
Cambria, 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 7:06AMSunset 5:24PM Saturday January 25, 2020 12:40 AM PST (08:40 UTC) Moonrise 7:55AMMoonset 6:20PM Illumination 0% Phase: New Moon; Moon at 0 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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PZZ670 Point Piedras Blancas To Point Sal From 10 To 60 Nm- 816 Pm Pst Fri Jan 24 2020
.small craft advisory in effect through late Sunday night...
Tonight..NW winds 15 to 25 kt. Combined seas 9 to 11 ft dominant period 19 seconds, building to 11 to 13 ft dominant period 18 seconds after midnight.
Sat..NW winds 10 to 20 kt with gusts to 25 kt. Combined seas 11 to 13 ft dominant period 16 seconds.
Sat night..NW winds 10 to 20 kt with gusts to 25 kt, becoming 10 to 15 kt after midnight. Combined seas 9 to 10 ft dominant period 15 seconds, subsiding to 8 ft dominant period 15 seconds after midnight.
Sun..NW winds 10 to 15 kt, becoming 15 to 20 kt in the afternoon. Wind waves 2 to 3 ft. NW swell 7 to 8 ft at 16 seconds.
Sun night..NW winds 20 to 25 kt, becoming 10 to 20 kt with gusts to 25 kt after midnight. Combined seas 10 to 11 ft dominant period 16 seconds.
Mon..N winds 10 to 20 kt, becoming nw 15 to 20 kt with gusts to 25 kt in the afternoon. Combined seas 11 to 13 ft dominant period 17 seconds.
Mon night..NW winds 15 to 20 kt with gusts to 25 kt. Combined seas 11 to 12 ft dominant period 16 seconds.
Tue..NW winds 15 to 25 kt with gusts to 30 kt. Combined seas 9 to 10 ft.
Wed..N winds 20 to 30 kt with gusts to 35 kt. Combined seas 8 to 11 ft.
PZZ600 816 Pm Pst Fri Jan 24 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 1024 mb surface high was centered around 700 nm southwest of point conception, with a 1016 mb thermal low was over the southern california bight. Gusty nw winds and hazardous seas will impact the outer waters through the forecast period.


7 Day Forecast for Marine Location Near Cambria, CA
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location: 35.58, -121.12     debug


Area Discussion for - Los Angeles/Oxnard, CA
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FXUS66 KLOX 250428 AFDLOX

Area Forecast Discussion National Weather Service Los Angeles/Oxnard CA 828 PM PST Fri Jan 24 2020

SYNOPSIS. 24/1244 PM.

High pressure will keep the area dry through Saturday, with above normal temperatures expected. A very weak cold front will bring clouds and a slight chance of rain for northern areas Sunday, along with some cooler temperatures. Dry and breezy conditions are expected Monday through Thursday.

SHORT TERM (FRI-MON). 24/826 PM.

Weak upper level ridge of high pressure will continue across the region through Saturday. Near the surface, north-south offshore pressure gradients have strengthened this afternoon and evening, with both LAX-BFL and SBA-BFL gradients between -6 and -6.5 mb. These north-south offshore gradients combined with moderate upper level wind support from the north has generated wind gusts in the 35-45 mph range across southern SBA county where a wind advisory remains in effect until 3 am tonight. There are also some gusty north winds across the I-5 corridor in the LA County mountains and Santa Clarita Valley, where localized wind gusts of 35-45 mph are also occurring.

Current satellite imagery showing some high clouds drifting over the region tonight, with low clouds and fog filling in across portions of the LA basin. With a low marine inversion in place tonight, there is the potential for dense fog, and a dense fog advisory may need to be issued at some point tonight for the LA county coast and San Gabriel Valley. The low level flow will begin to trend slightly to the northeast on Saturday morning, before turning onshore in the afternoon. Warm temperatures will continue across inland areas, but there will likely be slight cooling near the coast due to the onshore flow in the afternoon. Further cooling and a more expansive coverage of low clouds and fog are expected on Sunday as an upper level trough moves through the region. This system is not expected to bring precipitation but will bring gusty west to northwest winds in the mountains and deserts on Sunday.

*** From previous discussion ***

By Sunday night after the trough passes northerly winds will be on the increase again, likely stronger than tonight with advisory level winds in srn SB County and the I5 corridor and at least near advisory level winds in the Antelope Valley. The trough itself should be dry for most areas but the northerly flow behind it combined with lingering moisture in the Central Valley could spawn a few light showers late Sunday.

As the flow turns northeast Monday downslope flow along with a building ridge aloft will bring warmer temps back to the area once again with highs bouncing back up 3-6 degrees from Sunday's levels.

LONG TERM (TUE-FRI). 24/150 PM.

The ridge will keep the storm track well to the north and east through the week and likely into the following week. Between that and light to moderate offshore gradients temps will remain several degrees above normal. Gusty north to northeast winds at times, likely advisory levels in srn SB County and the I5 corridor. Winds will get another boost Tuesday night into Wednesday following the passage of an inside slider through the Great Basin and into northern AZ/NM. During this time there may be some isolated warning level wind gusts through the I5 corridor and srn SB County and more widespread northerly winds into the coast/valleys of LA/Ventura Counties.

The trough passage will result in some cooling for interior areas due to the cold advection but continued downslope flow will offset the cold advection aloft for coast/valleys and keep temps pretty steady.

After the inside slider moves into nrn Mexico Thursday the models have been in excellent agreement showing an even stronger ridge developing later next week into next weekend. With offshore gradients expected to continue through the period it's looking more and more likely we'll see numerous 80+ degree temps by Saturday and possibly as early as Friday. And models are still in almost unanimous agreement that this dry pattern will persist through at least the first full week in Feb.

AVIATION. 25/0000Z.

At 2355Z at KLAX, the marine layer was around 400 ft deep. The top of the inversion was near 900 ft at 17 degrees C.

High confidence in all 00Z TAFs except for KPRB, KLAX, and KLGB. For KPRB, good confidence in IFR/LIFR conditions returning late tonight, lower confidence on timing. For KLGB and surrounding south bay areas, increasing confidence of IFR/LIFR cigs/vsbys this evening, potentially becoming VLIFR overnight. There is a 40 percent chance of IFR/LIFR conditions at KLAX between 08z-16z. There is a chance of moderate wind shear and turbulence through tonight.

KLAX . High confidence in 00Z TAF through 08Z, then moderate confidence. There is a 40% chance of LIFR to IFR conditions after 08Z. There is a 30% chance of moderate wind shear and turbulence between 03Z and 07Z.

KBUR . High confidence in 00Z TAF. There is a 40% chance of moderate wind shear and turbulence through 08Z.

MARINE. 24/823 PM.

For the Outer Waters, high confidence in the current forecast. In addition to the Small Craft Advisory (SCA) level northwest winds currently impacting all the outer waters, hazardous seas will build to at least 10 feet tonight. A combination of SCA level winds and seas will likely continue through the forecast period, with a 50 percent chance of gales Tuesday and Wednesday.

For the Inner Waters north of Point Sal, moderate-to-high confidence in the current forecast. SCA level wind gusts are likely over the outer portions, with hazardous seas above 10 feet by late this evening. A break in SCA level winds and seas could develop late Saturday night through Sunday morning, but there is a 70% chance of SCA conditions Sunday afternoon through Wednesday.

For the Inner Waters south of Point Conception, moderate confidence in the current forecast. There is a 60% chance of SCA level winds across the western portion of the Santa Barbara Channel overnight. There is a 70% chance of SCA level west to northwest winds and SCA level seas Sunday afternoon through Wednesday, mainly across western portions.

BEACHES. 24/828 PM.

A large, long-period northwest swell is moving into the coastal waters this evening and will last through at least Sunday morning. A HIGH SURF ADVISORY is in effect for all west- facing beaches starting this evening for the Central Coast, tonight for the Ventura and LA County Coast, and Saturday morning for the Santa Barbara South Coast. There is a period on Sunday where surf may drop below High Surf criteria, but another larger northwest swell is expected to move into the waters Sunday evening and last through early next week. Therefore there is a 40% chance that the High Surf Advisory may need to be extended through Tuesday.

There is also areas of dense fog tonight occurring off the coast of LA/Orange counties which resulted in the issuance of a marine weather statement for zone P655.

LOX WATCHES/WARNINGS/ADVISORIES. CA . High Surf Advisory in effect until 3 AM PST Sunday for zones 34-35. (See LAXCFWLOX). Wind Advisory in effect until 3 AM PST Saturday for zones 39-52. (See LAXNPWLOX). High Surf Advisory in effect from 6 AM Saturday to noon PST Sunday for zone 39. (See LAXCFWLOX). High Surf Advisory in effect until noon PST Sunday for zones 40-41-87. (See LAXCFWLOX). PZ . Small Craft Advisory in effect until 9 PM PST Saturday for zone 645. (See LAXMWWLOX). Small Craft Advisory in effect until 3 AM PST Saturday for zone 650. (See LAXMWWLOX). Small Craft Advisory in effect until 3 AM PST Monday for zones 670-673-676. (See LAXMWWLOX).

.HAZARD POTENTIAL OUTLOOK (MON-FRI).

Gusty northerly winds are expected through at least Wednesday, especially through the Santa Ynez Range and the Interstate 5 Corridor.



PUBLIC . Gomberg/MW AVIATION . Gomberg MARINE . Smith BEACHES . Gomberg/Stewart SYNOPSIS . JLL/Phillips

weather.gov/losangeles


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46215 - Diablo Canyon, CA (076) 29 mi40 min 56°F8 ft
PSLC1 - 9412110 - Port San Luis, CA 34 mi52 min 63°F 57°F1020.2 hPa
46011 - SANTA MARIA - 21 NM Northwest of Point Arguello, CA 43 mi30 min NNW 14 G 18 57°F 57°F1020 hPa53°F
46028 - CAPE SAN MARTIN - 55NM West Northwest of Morro Bay, CA 44 mi30 min NW 14 G 18 56°F 55°F1020.5 hPa55°F

Wind History for Port San Luis, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Paso Robles Municipal Airport, CA27 mi47 minE 45.00 miFog/Mist44°F42°F93%1021.2 hPa

Link to 5 minute data for KPRB

Wind History from PRB (wind in knots)
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Last 24hrCalmCalmCalmNE4SW3E3CalmCalmCalmCalmCalmCalmNW5CalmN5SE8SE7SE7E8E3E6E9E3E4
1 day agoE3N4CalmNE5E7NW5NW3NW3NW7N3CalmCalmN3CalmE7E12E8E6SE5CalmSE5SE3SE5Calm
2 days agoCalmCalmCalmCalmCalmCalmCalmCalmE3E5W3CalmCalm43NW3N4E9E6E9E8E5NE4NE3

Tide / Current Tables for San Simeon, California
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San Simeon
Click for Map
Sat -- 03:48 AM PST     1.97 feet Low Tide
Sat -- 07:09 AM PST     Sunrise
Sat -- 07:55 AM PST     Moonrise
Sat -- 09:54 AM PST     5.95 feet High Tide
Sat -- 05:05 PM PST     -0.82 feet Low Tide
Sat -- 05:24 PM PST     Sunset
Sat -- 06:20 PM PST     Moonset
Sat -- 11:32 PM PST     3.87 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.73.22.62.122.33455.75.95.64.73.31.80.5-0.4-0.8-0.60.21.32.43.33.8

Tide / Current Tables for Morro Beach, Estero Bay, California
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Morro Beach
Click for Map
Sat -- 03:45 AM PST     1.91 feet Low Tide
Sat -- 07:07 AM PST     Sunrise
Sat -- 07:53 AM PST     Moonrise
Sat -- 09:54 AM PST     5.77 feet High Tide
Sat -- 05:03 PM PST     -0.79 feet Low Tide
Sat -- 05:23 PM PST     Sunset
Sat -- 06:19 PM PST     Moonset
Sat -- 11:32 PM PST     3.75 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.53.12.521.92.22.93.94.85.55.85.44.53.21.80.5-0.5-0.8-0.50.21.32.43.23.7

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.
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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Los Angeles/Oxnard, CA (3,6,7,8)
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Ground Weather Radar Station Vandenberg AFB, 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.