Saturday, May30, 2020
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Marine Weather and Tides
Summerland, 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 5:46AMSunset 8:06PM Saturday May 30, 2020 6:22 PM PDT (01:22 UTC) Moonrise 1:27PMMoonset 2:00AM Illumination 65% Phase: Waxing Gibbous; Moon at 9 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- 140 Pm Pdt Sat May 30 2020
Tonight..W winds 10 to 15 kt, becoming 5 to 10 kt after midnight. Wind waves 2 ft or less. W swell 2 ft at 11 seconds. Patchy fog after midnight.
Sun..NW winds 5 to 10 kt, becoming sw 10 to 15 kt in the afternoon. Wind waves 2 ft or less. W swell 2 ft at 10 seconds. Patchy fog in the morning.
Sun night..Western portion, W winds 15 to 25 kt. Eastern portion, W winds 10 to 15 kt becoming 5 to 10 kt after midnight. Combined seas 2 to 4 ft dominant period 7 seconds. Patchy fog after midnight.
Mon..NW winds 5 to 10 kt, becoming W 10 to 15 kt in the afternoon. Wind waves 1 to 3 ft. W swell 2 to 3 ft at 6 seconds. Patchy fog in the morning.
Mon night..W winds 10 to 20 kt with gusts to 25 kt, becoming nw 10 to 15 kt after midnight. Wind waves 2 to 4 ft. W swell 2 ft at 6 seconds. Patchy fog after midnight.
Tue..W winds 10 to 15 kt. Wind waves 2 ft or less. W swell 2 ft at 6 seconds. Patchy fog in the morning.
Tue night..W winds 10 to 15 kt. Wind waves 1 to 3 ft. W swell 2 ft at 6 seconds.
Wed..W winds 10 to 15 kt. Wind waves 1 to 3 ft. W swell 2 ft.
Thu..W winds 10 to 15 kt. Wind waves 2 ft or less. W swell 2 ft.
PZZ600 140 Pm Pdt Sat May 30 2020
Synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park..At 21z, or 2 pm pdt, a 1011 mb low pressure center was located near sacramento and will slowly move north today.


7 Day Forecast for Marine Location Near Summerland, CA
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location: 34.4, -119.6     debug


Area Discussion for - Los Angeles/Oxnard, CA
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FXUS66 KLOX 302346 AFDLOX

Area Forecast Discussion National Weather Service Los Angeles/Oxnard CA 446 PM PDT Sat May 30 2020

SYNOPSIS. 30/205 PM.

Partly to mostly cloudy skies will prevail across southwestern California through this afternoon, with a few leftover showers over San Luis Obispo and Santa Barbara Counties. Night and morning low clouds and fog should affect the coast and valleys tonight into early next week, otherwise partly to mostly cloudy skies will continue. Temperatures will be several degrees below normal today, then turn warmer to near normal Sunday and to several degrees above normal early next week.

SHORT TERM (TDY-TUE). 30/202 PM.

A 564 dm H5 low was inland over nrn CA early this afternoon, with a broad WSW flow aloft over swrn CA. The tail end of a weak frontal system pushed into the Central Coast with a few showers down to Point Conception. Further N, steady rain occurred in the hills of NW SLO County, with up to 0.63 inch of rain reported at Rocky Butte from last night thru today. There will be a few leftover showers over parts of SLO/SBA Counties thru mid afternoon. Otherwise, partly to mostly cloudy skies will prevail N of Point Conception thru sunset, with sunny to partly cloudy skies elsewhere.

Decent onshore gradients should continue this afternoon (e.g., NAM fcst LAX-DAG +8.2 mb at 00Z) which will contribute to breezy to gusty W to SW winds for much of the forecast area into early this evening. Temps will be about 3-10 deg below normal across the region, with afternoon highs in the warmest vlys and lower mtns expected to be in the mid to upper 70s, except into the low 80s in the Antelope Vly

For tonight through Sun night, a broad upper level trof will develop over the E Pac just off of the CA coast with S to SW flow aloft over the forecast area. On Mon, a 570 dm H5 low will develop at the base of the upper trof about 200 NM SW of Point Conception. The upper trof should then drift S and away from srn CA to a position about 300 NM SSW of Point Conception by late Tue afternoon. This will allow H5 heights to increase over swrn CA from about 572-577 dm Mon afternoon to around 577-579 dm Tue afternoon.

A weak marine inversion around 1000 ft deep is expected to form tonight. Low clouds are expected to develop along the coast and move into some of the adjacent vlys late tonight and Sun morning. The generally weak inversion will continue Sun night into Mon morning, and a weak eddy is forecast over the SoCal Bight. It looks like more low clouds will develop along the coast and into some adjacent vlys altho there should be northerly canyon winds along the SBA County S coast which should keep the low clouds away. Marine layer clouds will continue to affect most coastal areas Mon night into Tue morning as well. Otherwise, there will be plenty of mid and hi level clouds moving into swrn CA Sun thru Tue to keep mostly cloudy skies for the most part over the region, except some clearing should develop over SLO/SBA Counties Tue afternoon.

Onshore gradients will decrease some thru Tue, but there will still be breezy SW-NW onshore winds each afternoon and evening for many areas. For Sun evening, the NAM was also forecasting gradients from SBA-SMX to peak at -3.6 mb at 06Z. This will contribute to gusty NW to N sundowner winds for the SBA County S coast and Santa Ynez Mtns mainly W of Goleta, with some gusts possibly approaching Advisory levels.

Temps are forecast to turn warmer Sun thru Tue despite the presence of mid and hi level clouds over the region. This is due to a combination of weaker onshore gradients and increased boundary layer/950 mb temps. It looks like highs in the warmest vlys and lower mtns will reach the lower to mid 80s Sun, Mid 80s to near 90 on Mon, and mid 80s to low 90s on Tue. High temps by Tue will be about 3-8 deg above normal away from the coast.

LONG TERM (WED-SAT). 30/202 PM.

The GFS and EC have the upper level low remaining about 300 to 350 NM SW of Point Conception on Wed, then the models differ in the movement of the upper low Thu and Fri. The GFS is quicker to eject the upper low NE Thu and into srn CA Thu night and early Fri morning. The EC is slower and keeps the upper level low nearly stationary thru Thu then pushes it NE and into srn CA by midday on Fri. The GFS also develops showers over much of the forecast area Thu night and early Fri while the EC remains dry for the most part. The GFS and EC ensembles pretty much follow the thinking of their respective operational runs thru this period. By Sat, however, both models are consistent with a large upper level trof moving into the E Pac giving srn CA a broad SW flow aloft.

The NBM does have less than 15 percent POPs over the area Wednesday evening and again Thursday evening, too low to mention pcpn (the Wednesday evening POPs do not make sense anyway). Due to model uncertainties, kept dry weather over the forecast area thru the extended period. The marine layer pattern should continue with night and morning low clouds and fog mostly for the coast except minor intrusion into the adjacent valleys at times. Otherwise, mostly clear skies can be expected across the region. Forecast confidence this period is moderate at best due to model inconsistencies. Temps should be several degrees warmer than normal on Wed then a gradual cooling trend should take place thru the end of the week. It should be noted the EC has decent offshore gradients Wed with temps much warmer than what is currently forecast.

AVIATION. 30/2345Z.

At 2340Z at KLAX, the marine layer was 2000 feet deep. The top of the weak inversion was at 2500 feet with a temperature of 15 degrees C.

Low to moderate confidence in TAFs. Plenty of residual low level moisture will likely bring areas of low clouds to coastal and some valley locations overnight into Sunday morning, however there is reduced confidence due to weak marine inversion and increasing stream of mid and high level clouds from the southwest.

KLAX . Low to moderate confidence in TAF. MVFR cigs likely to develop late tonight into early Sunday morning, however timing of onset is +/- 2 hours from current TAF.

KBUR . Low to moderate confidence in TAF. While there is the potential of IFR/MVFR cigs to develop briefly Sunday morning, there is a 30 percent chance of no cigs.

MARINE. 30/128 PM.

Good confidence that winds and seas will largely remain below Small Craft Advisory (SCA) level today. Widespread SCA level northwest winds are likely across the waters from the Central Coast to San Nicolas Island Sunday afternoon through Monday night.

Short period seas will build Sunday night into Tuesday due to the increased northwest winds. Long period south swell will persist through next week.

BEACHES. 30/128 PM.

Beach hazards for elevated surf and high rip current risk continues through Sunday afternoon.

LOX WATCHES/WARNINGS/ADVISORIES. CA . Beach Hazards Statement in effect through Sunday afternoon for zones 40-41-87. (See LAXCFWLOX). PZ . NONE.

.HAZARD POTENTIAL OUTLOOK (TUE-SAT).

No significant hazards expected.



PUBLIC . Sirard AVIATION . Gomberg MARINE . Sweet BEACHES . Sweet SYNOPSIS . Sirard

weather.gov/losangeles


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
NTBC1 - Santa Barbara, CA - 9411340 5 mi46 min W 8.9 G 13 66°F 1014.2 hPa
46053 - E. SANTA BARBARA - 12NM Southwest of Santa Barbara, CA 17 mi32 min W 14 G 18 62°F 61°F4 ft1014.9 hPa60°F
46251 44 mi52 min 64°F4 ft
46054 - SANTA BARBARA W 38 NM West of Santa Barbara, CA 47 mi32 min W 5.8 G 7.8 60°F 61°F6 ft1015.2 hPa57°F

Wind History for Santa Barbara, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Santa Barbara, Santa Barbara Municipal Airport, CA12 mi29 minWSW 158.00 miPartly Cloudy67°F55°F66%1014.1 hPa

Link to 5 minute data for KSBA

Wind History from SBA (wind in knots)
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Last 24hrW7N6CalmW4W3CalmCalmCalmE4W3W5CalmW33W3S7W8SW8S7W11W10W11W12W15
1 day agoW9W5SW6SW3CalmSE5E3SE3SW5CalmCalmS4CalmSE3CalmSE3SE4S5SE8SE7SE8SE8S7SW6
2 days agoSW7W9W7W6SW4CalmCalmS5S3SE4S5SE4SE6SE5S5S5SE55SW8S7SW7SW7W8W10

Tide / Current Tables for Santa Barbara, California (2)
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Santa Barbara
Click for Map
Sat -- 01:59 AM PDT     Moonset
Sat -- 04:08 AM PDT     4.08 feet High Tide
Sat -- 05:47 AM PDT     Sunrise
Sat -- 11:13 AM PDT     0.12 feet Low Tide
Sat -- 01:27 PM PDT     Moonrise
Sat -- 06:13 PM PDT     4.45 feet High Tide
Sat -- 08:05 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.73.13.53.94.143.52.81.91.10.40.10.30.81.62.63.54.14.44.33.93.32.62.1

Tide / Current Tables for Rincon Island, California (2)
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Rincon Island
Click for Map
Sat -- 01:58 AM PDT     Moonset
Sat -- 04:03 AM PDT     4.16 feet High Tide
Sat -- 05:47 AM PDT     Sunrise
Sat -- 11:09 AM PDT     0.13 feet Low Tide
Sat -- 01:26 PM PDT     Moonrise
Sat -- 06:08 PM PDT     4.54 feet High Tide
Sat -- 08:04 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.93.33.744.243.52.81.910.40.10.30.91.72.73.64.34.54.43.93.32.72.2

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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Wind Forecast for Los Angeles/Oxnard, CA (21,6,7,8)
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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.