Channel Islands Beach, CA Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Channel Islands Beach, CA

February 20, 2024 1:48 PM PST (21:48 UTC) Change Location
Sunrise 6:35 AM   Sunset 5:46 PM
Moonrise 3:16 PM   Moonset 5:37 AM 
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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.

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Marine Forecasts
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PZZ650 East Santa Barbara Channel From Pt. Conception To Pt. Mugu Ca Including Santa Cruz Island- 901 Am Pst Tue Feb 20 2024

.small craft advisory in effect through this evening - .

Today - E winds 10 to 20 kt, becoming se 10 to 20 kt in the afternoon. Wind waves 2 ft or less. W swell 9 to 12 ft at 14 seconds, subsiding to 8 to 11 ft at 14 seconds in the afternoon. A slight chance of rain in the morning, then a chance of rain.

Tonight - E winds 10 to 15 kt in the evening, becoming ne 5 to 10 kt. Wind waves 2 ft or less. W swell 7 to 10 ft at 12 seconds in the evening, becoming 6 to 8 feet. A chance of showers in the evening, then showers likely and a slight chance of tstms.

Wed - NW winds 10 to 15 kt, becoming W 10 to 20 kt with gusts to 25 kt in the afternoon. Wind waves 1 to 3 ft. W swell 5 to 7 ft at 12 seconds. A slight chance of showers in the morning.

Wed night - NW winds 15 to 25 kt with gusts to 30 kt. Combined seas 5 to 7 ft dominant period 11 seconds.

Thu - N winds 5 to 10 kt, becoming W in the afternoon. Wind waves 2 ft or less. W swell 3 to 5 ft at 10 seconds.

Thu night - NW winds 10 to 15 kt. Wind waves 1 to 3 ft. W swell 3 to 5 ft at 10 seconds.

Fri - W winds 5 to 10 kt. Wind waves 2 ft or less. W swell 4 to 6 ft.

Sat - SE winds 10 to 15 kt. Wind waves 2 ft or less. W swell 4 to 6 ft. A chance of rain.
winds and seas higher in and near tstms.

PZZ600 901 Am Pst Tue Feb 20 2024
synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park - .at 16z, or 8 am pst, a 1002 mb low was 300 nm sw of portland, or with a cold front trailing out to the ssw. This storm continues to bring hazardous conditions to the coastal waters through with large seas, breezy winds and heavy rain and a chance of Thunderstorms through Wednesday morning.


7 Day Forecast for Marine Location Near Channel Islands Beach, CA
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Area Discussion for - Los Angeles/Oxnard, CA
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FXUS66 KLOX 201914 AFDLOX

Area Forecast Discussion...UPDATED National Weather Service Los Angeles/Oxnard CA 1114 AM PST Tue Feb 20 2024

SYNOPSIS
20/312 AM.

A Pacific storm will continue to affect the region through Wednesday morning. Periods of rain and a slight chance of thunderstorms will cover LA and Ventura counties today, while SLO and Santa Barbara counties remain fairly dry. Showers and scattered thunderstorms will sweep through the area tonight and Wednesday morning bringing a renewed threat of flooding. Dry weather with warming temperatures are expected to follow on Thursday and Friday. Unsettled weather may return next weekend.

.SHORT TERM (TDY-THU)...20/911 AM.

***UPDATE***

The moisture plume associated with the atmospheric river (AR)
that has affected the region for a few days now will linger over L.A. county today. It was continuing to bring numerous showers to L.A. county this morning and will continue the thru the afternoon.
VTU County, on the western edge of the AR, will also have periods of showers thru the day. For SLO/SBA Counties, there were partly cloudy skies and a few showers can be expected over this area thru the afternoon.

Additional rainfall thru this afternoon should be generally 0.25 to 1.00 inch across L.A. county with the highest amounts in the San Gabriel Mtns, about 0.10 to 0.33 inch for VTU County, and generally 0.15 inch or less for SLO/SBA Counties. Snow levels will remain high and generally above 7000 feet.

Temps today will be about 4 to 10 deg below normal, with highs for the coast and vlys topping out in the lower to mid 60s.

The threat of flash flooding is minimal today, but due to the potential for moderate to heavy rain moving in tonight into Wed morning, a Flood Watch remains in effect thru Wed morning for most of southwest CA.

***From Previous Discussion***

...CONTINUING STORM SYSTEM TO BRING THE THREAT OF ADDITIONAL FLOODING AND MUDSLIDES ALONG WITH A GROWING SEVERE WEATHER THREAT...

Satellite imagery shows a slight difluent pattern over the top of the AR and this will allow for a 10 percent chc of a TSTM to develop. Any TSTM that does form would be capable of producing flash flooding. Also due to all of previous rainfall, there is a heightened risk for significant flooding even without a TSTM and a Flood Watch covers the forecast area thru Wed morning (see the product LAXFFALOX for details).

Another airmass will sweep into and over the area tonight as the upper low opens up and moves east. Satellite shows that this air mass is cold (H5 temps near -25C) and unstable with plenty of open cell CU moving around in the various vort lobes swirling around the upper low. Decent bulk shear numbers in the lower atmosphere indicate that there is enough twist in the atmosphere to warrant a risk of waterspout or tornadic development. Rainfall during this period will not be very homogeneous at all. While in general about a third to two thirds of an inch of rain will fall many areas will see much less rain and a few areas could see much more.
Rainfall rates under the convective bursts or TSTMs could reach 1 inch per hour and would pose a serious flash flooding threat.

Snow levels will slowly lower to around 7000 feet today and then to 6000 ft overnight. Snow will really not be a factor with this system and will only affect the resort levels.

Cool dry air with plenty of NVA will roll into the area Wednesday afternoon and skies will clear and it will be dry. The cool air moving in behind the front will bring several degrees of cooling to the area (esp SLO and SBA counties) Max temps will only top out at 60 degrees plus or minus a degree.

Week ridging and weak offshore flow will make Thursday a dry one with mostly sunny skies. 4 to 5 degrees of warming will bring max temps into the mid 60s.

.LONG TERM (FRI-MON)...20/335 AM.

Thursday and Friday will bring a break from the wet weather, however, models are showing another storm system on the horizon.
The EC and GFS deterministic models both show a low pressure system spin southward along the California Coast from the north Pacific, but the timing differences are about 12-24 hours off from each other. While the NBM brings a slight chance of rain to the area as early as Saturday morning (currently in the forecast), the GFS deterministic favors Sunday morning for rain chances, and the EC suggests Monday for a start time. As for the ensembles, several GFS ensemble members suggest rain between Sunday and Tuesday with the peak around Monday. The EC ensemble members suggest rain between Sunday and Tuesday night, with a peak Monday night. One thing they do agree on (though subject to change as model runs this far out typically do), both ensembles do show 24 hour totals less than 0.50 inches. This suggests light to moderate rain across the storm window. All in all, while the rain may occur over a few days, totals seem to be much less than the storm currently ongoing.

Otherwise, dry and mild conditions (but still a few degrees below normal) can be expected Thursday and Friday, followed by clouds and the chances of rain along with cooler temps Saturday through at least Monday.

AVIATION
20/1914Z.

At 1825Z at KLAX, there was no inversion or marine layer but there was an 4000 ft deep moist layer.

Low confidence in all TAFs as cig, vis and wx will vary frequently with rain. For areas north of Point Conception, there will be less rain with VFR to low MVFR conditions. Areas south of Point Conception, there will be periods of rain with IFR to low MVFR cigs, possibly with brief LIFR conditions during heavier showers. There is a 10-15% chance of TSTMs through the period.

KLAX..Low confidence in TAF. Cigs, Vis and Wx will vary frequently.
Cigs will mostly range from BKN006-025 with Vis between 4SM and 6SM. There will be periods of cigs as low as BKN004 with vis as low as 1SM in RA/RA+. There is a 15 percent chc of 1SM TSRA OVC005 conds. East winds 8-12 kts are expected until 20-21Z, with return of east winds around 4-7 kt from 12-18Z Wed.

KBUR...Low confidence in TAF. Cigs, Vis and Wx will vary frequently. Cigs will mostly range from BKN008-025, with Vis between 4SM and P6SM. There will be periods of cigs between BKN- OVC002-004 with vis as low as 1SM in RA/RA+, as well as periods of high BKN100 cigs during brief clearing. There is a 15 percent chc of 1SM TSRA OVC005 conds.

MARINE
20/1041 AM.

A strong and slow-moving storm system is currently bringing heavy rain, gusty winds, large swell, and a 10-20% chance of thunderstorms to the coastal waters into Wednesday. Thunderstorms are most likely this afternoon through Wednesday morning. Any thunderstorms would be capable of producing brief heavy rain, gusty outflow winds, locally rough seas, dangerous cloud- to- surface lightning, and waterspouts.

For all the Outer Waters and Inner Waters north of Point Sal, high confidence in current forecast. Seas will remain above Small Craft Advisory (SCA) levels through late tonight, possibly extending into early Wednesday morning. Then seas are expected to stay below SCA love, expect for a 50% chance of SCA level seas Friday and Friday night. There is a 60% chance for SCA level winds south of Point Conception Wednesday afternoon into Wednesday night.

For the Inner Waters south of Point Conception, moderate to high confidence in current forecast with SCA seas continuing through this evening for portions of the inner waters. There is a 30% chance for SCA level winds south of Point Conception Wednesday afternoon into Wednesday night. Thursday through Friday, high confidence in winds and seas remaining below SCA levels for all the southern waters.

The large swell is expected to produce breaking waves at the Morro Bay, Port San Luis, and Ventura Harbor entrances through today. These conditions have a history of capsizing vessels of various sizes resulting in serious injury or death, even to the most experienced mariners. Mariners are urged to stay clear of these harbor entrances.

BEACHES
20/929 AM.

The strong Pacific storm continues to bring large, long- period, westerly swell to the region. The swell heights peaked last night, with surf generally expected to decline throughout the day today.
Surf will be the highest across west and southwest facing beaches up and down the coast. The High Surf Warnings for the Central Coast and Ventura may be downgraded to High Surf Advisories by this afternoon.

Large and dangerous breaking waves at west to south exposed harbor entrances will also be possible during this time. This includes Morro Bay, Port San Luis, and Ventura Harbor.

As we are past high tides, no further coastal flooding impacts are expected.

LOX WATCHES/WARNINGS/ADVISORIES
CA...High Surf Advisory in effect until 9 PM PST this evening for zones 87-349-350-362-366. (See LAXCFWLOX).
Flood Watch now in effect through Wednesday morning for zones 88-362-366>368-370-372-373-378>380-548. (See LAXFFALOX).
Flood Watch remains in effect through Wednesday morning for zones 340>343-345>358-369-371-374>377. (See LAXFFALOX).
High Surf Warning in effect until 9 PM PST this evening for zones 340-346-354. (See LAXCFWLOX).
PZ...Small Craft Advisory in effect until 3 AM PST Wednesday for zones 645-670-673-676. (See LAXMWWLOX).
Small Craft Advisory in effect until 9 PM PST this evening for zones 650-655. (See LAXMWWLOX).




Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesinHgDewPt
NTBC1 - Santa Barbara, CA - 9411340 29 mi72 min SE 6G7 58°F 30.11
46025 - Santa Monica Basin - 33NM West Southwest of Santa Monica, CA 30 mi38 min SE 5.8G12 58°F 59°F30.1158°F
46053 - E. SANTA BARBARA - 12NM Southwest of Santa Barbara, CA 31 mi38 min E 9.7G14 58°F 58°F30.0457°F
46251 31 mi52 min 58°F 59°F10 ft
46268 37 mi48 min 58°F 60°F4 ft
46221 - Santa Monica Bay, CA (028) 38 mi52 min 59°F9 ft
ICAC1 - 9410840 - Santa Monica Pier 41 mi48 min 59°F 60°F30.13


Wind History for Santa Barbara, CA
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KOXR OXNARD,CA 4 sm9 minESE 0510 smOvercast63°F57°F83%30.07
KNTD POINT MUGU NAS (NAVAL BASE VENTURA CO),CA 8 sm29 minSSE 0810 smPartly Cloudy61°F57°F88%30.09
KCMA CAMARILLO,CA 10 sm8 minNW 0410 smMostly Cloudy63°F55°F77%30.07
Link to 5 minute data for KOXR


Wind History from OXR
(wind in knots)
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Tide / Current for Port Hueneme, California
   
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Port Hueneme
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Tue -- 12:41 AM PST     2.53 feet Low Tide
Tue -- 04:36 AM PST     Moonset
Tue -- 06:36 AM PST     Sunrise
Tue -- 06:40 AM PST     5.44 feet High Tide
Tue -- 02:03 PM PST     -0.74 feet Low Tide
Tue -- 02:15 PM PST     Moonrise
Tue -- 05:44 PM PST     Sunset
Tue -- 08:40 PM PST     3.77 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Port Hueneme, California, Tide feet
12
am
2.6
1
am
2.5
2
am
2.8
3
am
3.4
4
am
4.1
5
am
4.8
6
am
5.3
7
am
5.4
8
am
5
9
am
4.1
10
am
2.9
11
am
1.6
12
pm
0.4
1
pm
-0.4
2
pm
-0.7
3
pm
-0.5
4
pm
0.2
5
pm
1.2
6
pm
2.3
7
pm
3.2
8
pm
3.7
9
pm
3.8
10
pm
3.5
11
pm
3



Tide / Current for Ventura, California
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Ventura
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Tue -- 12:43 AM PST     2.53 feet Low Tide
Tue -- 04:37 AM PST     Moonset
Tue -- 06:37 AM PST     Sunrise
Tue -- 06:39 AM PST     5.44 feet High Tide
Tue -- 02:06 PM PST     -0.74 feet Low Tide
Tue -- 02:15 PM PST     Moonrise
Tue -- 05:45 PM PST     Sunset
Tue -- 08:39 PM PST     3.77 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Ventura, California, Tide feet
12
am
2.6
1
am
2.5
2
am
2.8
3
am
3.4
4
am
4.1
5
am
4.8
6
am
5.3
7
am
5.4
8
am
5
9
am
4.1
10
am
2.9
11
am
1.6
12
pm
0.4
1
pm
-0.4
2
pm
-0.7
3
pm
-0.5
4
pm
0.2
5
pm
1.2
6
pm
2.3
7
pm
3.2
8
pm
3.7
9
pm
3.7
10
pm
3.5
11
pm
3




Weather Map
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Los Angeles, CA,



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