Marine Weather and Tide Forecast for Channel Islands Beach, CA
April 19, 2025 12:47 AM PDT (07:47 UTC) Change Location
![]() | Sunrise 6:18 AM Sunset 7:33 PM Moonrise 1:14 AM Moonset 10:45 AM |
PZZ650 East Santa Barbara Channel From Pt. Conception To Pt. Mugu Ca Including Santa Cruz Island- 822 Pm Pdt Fri Apr 18 2025
Tonight - W wind 10 to 15 kt this evening, becoming light. Seas 2 to 4 ft. Wave detail: W 3 ft at 7 seconds.
Sat - Light winds, becoming W 10 to 20 kt with local gusts to 25 kt in the afternoon, with strongest winds in the western portion of the channel. Seas 2 to 3 ft. Wave detail: W 2 ft at 8 seconds.
Sat night - W wind 10 to 20 kt with local gusts to 25 kt in the evening, with strongest winds in the western portion of the channel, becoming 5 to 10 kt late. Seas 2 to 3 ft. Wave detail: W 3 ft at 5 seconds and W 2 ft at 8 seconds.
Sun - Light winds, becoming W 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Wave detail: W 2 ft at 8 seconds.
Sun night - W wind 10 to 15 kt, becoming nw 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave detail: W 2 ft at 7 seconds. Patchy fog after midnight.
Mon - W wind 5 to 10 kt. Seas 2 to 3 ft. Wave detail: W 2 ft at 7 seconds. Patchy fog in the morning.
Mon night - W wind 10 to 15 kt, becoming nw 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave detail: W 3 ft at 7 seconds.
Tue - Light winds, becoming W 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Wave detail: W 2 ft at 8 seconds.
Tue night - Western portion, nw wind 10 to 15 kt. Eastern portion, W wind 5 to 10 kt. Seas 2 to 4 ft. Wave detail: W 3 ft at 6 seconds. Patchy fog after midnight.
Wed - N wind 5 to 10 kt, becoming W 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Wave detail: W 3 ft at 8 seconds. Patchy fog in the morning.
Wed night - Western portion, nw wind 15 to 20 kt. Eastern portion, W wind 10 to 15 kt. Seas 3 to 5 ft. Wave detail: W 4 ft at 6 seconds.
PZZ600 822 Pm Pdt Fri Apr 18 2025
Synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park - At 03z, or 8 pm pdt, a 1040 mb surface high was about 1000 nm W of portland, while a 1008 mb surface low was over arizona.
7 Day Forecast for Marine Location Near Channel Islands Beach CDP, CA

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Port Hueneme Click for Map Sat -- 12:44 AM PDT 4.45 feet High Tide Sat -- 01:13 AM PDT Moonrise Sat -- 06:20 AM PDT Sunrise Sat -- 09:41 AM PDT 0.47 feet Low Tide Sat -- 10:45 AM PDT Moonset Sat -- 07:31 PM PDT Sunset Tide / Current data from XTide NOT FOR NAVIGATION |   |
Port Hueneme, California, Tide feet
12 am |
4.4 |
1 am |
4.4 |
2 am |
4.3 |
3 am |
3.9 |
4 am |
3.3 |
5 am |
2.6 |
6 am |
1.9 |
7 am |
1.3 |
8 am |
0.8 |
9 am |
0.5 |
10 am |
0.5 |
11 am |
0.7 |
12 pm |
1 |
1 pm |
1.4 |
2 pm |
1.9 |
3 pm |
2.3 |
4 pm |
2.6 |
5 pm |
2.8 |
6 pm |
3 |
7 pm |
3.1 |
8 pm |
3.1 |
9 pm |
3.3 |
10 pm |
3.4 |
11 pm |
3.7 |
Ventura Click for Map Sat -- 12:43 AM PDT 4.45 feet High Tide Sat -- 01:14 AM PDT Moonrise Sat -- 06:20 AM PDT Sunrise Sat -- 09:44 AM PDT 0.47 feet Low Tide Sat -- 10:45 AM PDT Moonset Sat -- 07:32 PM PDT Sunset Tide / Current data from XTide NOT FOR NAVIGATION |   |
Ventura, California, Tide feet
12 am |
4.4 |
1 am |
4.4 |
2 am |
4.3 |
3 am |
3.9 |
4 am |
3.3 |
5 am |
2.6 |
6 am |
1.9 |
7 am |
1.3 |
8 am |
0.8 |
9 am |
0.5 |
10 am |
0.5 |
11 am |
0.6 |
12 pm |
1 |
1 pm |
1.4 |
2 pm |
1.9 |
3 pm |
2.3 |
4 pm |
2.6 |
5 pm |
2.8 |
6 pm |
3 |
7 pm |
3.1 |
8 pm |
3.1 |
9 pm |
3.3 |
10 pm |
3.4 |
11 pm |
3.7 |
Area Discussion for Los Angeles/Oxnard, CA
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FXUS66 KLOX 190626 AFDLOX
Area Forecast Discussion...UPDATED National Weather Service Los Angeles/Oxnard CA 1126 PM PDT Fri Apr 18 2025
SYNOPSIS
18/754 PM.
Generally clearing skies and warming conditions over the weekend, with weaker onshore winds. A slow cooling trend will likely develop Tuesday through the remainder of next week with increasing night and morning low clouds and fog.
Area Forecast Discussion...UPDATED National Weather Service Los Angeles/Oxnard CA 1126 PM PDT Fri Apr 18 2025
SYNOPSIS
18/754 PM.
Generally clearing skies and warming conditions over the weekend, with weaker onshore winds. A slow cooling trend will likely develop Tuesday through the remainder of next week with increasing night and morning low clouds and fog.
.SHORT TERM (FRI-MON)...18/754 PM.
***UPDATE***
A deep and cool moist layer remains over the region this evening.
Healthy onshore flow is keeping the clouds over most areas with no obvious sign yet of clearing out. The low pressure system that fueled the cloudy and cool close to the workweek is now centered over north Arizona, and all projections show it sliding further to the east tonight with high pressure aloft pushing into California. This evolution is still favorable to drastically weaken the onshore flow at the same time, likely resulting in a brief burst (15-25 mph) of northeast winds over the mountains Saturday morning. All of this adds up to the logical conclusion of decreasing cloud overnight. The marine layer however often defies logic, especially in a situation like this with rapid synoptic changes. So if there was ever a textbook low confidence forecast, it would be the cloud forecast for the next 18 hours.
With all that said however, confidence is high for risen temperatures over the holiday weekend, especially away from the coast.
***From Previous Discussion***
Chamber of commerce weather is expected over the weekend into Monday with plenty of sunshine and temperatures rising to within a few degrees of normal. Low confidence on when or if low clouds and fog will reform but clouds should just be morning feature at most. Gradients are already trending weaker today and expect that to really kick in tonight into early Saturday with a 4-5mb offshore trend, leading to some areas of breezy northeast winds across the LA Mountains and some of the higher valley areas Saturday morning.
.LONG TERM (TUE-FRI)...18/158 PM.
Onshore flow begins its return as early as Sunday but especially Monday as the next trough deepens along the West Coast. No precipitation expected locally but temperatures will begin a slow cooling trend that will continue through the week. Low clouds and fog will return to coastal areas by Monday if not before and eventually the valleys as cooling aloft deepens the marine inversion. The increasing onshore flow will create increasing west to southwest winds especially in the Antelope Valley. But otherwise a fairly low impact period of weather with another long stretch of below normal temperatures. Longer range models indicate a continued cool pattern through next week and even into the last week of April.
AVIATION
19/0615Z.
At 0505Z at KLAX, the marine layer was 4200 ft deep. The top of the weak inversion was 6600 feet with a temperature of 6 deg C.
High confidence in TAFs for KPMD and KWJF.
Moderate confidence in the rest of the TAFs. There is a 25 percent chc that MVFR cigs will occur 11Z-16Z at sites with no low clouds fcst. Low clouds at KSMX and KSBP may last until 18Z.
KLAX...Moderate confidence in TAF through 16Z then good confidence. There is a 25 percent chc of BKN025 cigs 11Z-16Z. No significant east wind component expected.
KBUR...Moderate confidence in TAF through 16Z then good confidence. There is a 25 percent chc of BKN020 cigs 11Z-16Z.
MARINE
18/744 PM.
For the Outer Waters, moderate to high confidence in current forecast. There is a 30% chance of localized Small Craft Advisory (SCA) level northwest wind gusts over the Outer Waters through this evening. Saturday through Monday morning, there is a 20-30% chance for SCA level wind gusts around Point Conception and the Channel Islands in the afternoon and evening hours. Elsewhere, winds and seas are expected to remain sub advisory through Monday morning. Then, Monday afternoon through Tuesday night, there is a 60-80% chance of SCA level winds, with a 40-50% chance of continued SCA winds Wednesday into Wednesday night.
For the Inner Waters north of Point Sal, moderate to high confidence in current forecast. Saturday through Monday morning, high confidence in winds and seas remaining below SCA levels.
Starting Monday there is a 30-40% chance of SCA level winds in the afternoon and evening hours, with the best chances Tuesday and Wednesday.
For the Inner Waters south of Point Conception, moderate to high confidence in current forecast. Today through Tuesday, high confidence in winds and seas remaining below SCA levels across most areas. The only exception will be the western half of the Santa Barbara Channel where there is a 30-50% of SCA level wind gusts on Saturday in the afternoon through evening hours.
LOX WATCHES/WARNINGS/ADVISORIES
CA...NONE.
PZ...NONE.
***UPDATE***
A deep and cool moist layer remains over the region this evening.
Healthy onshore flow is keeping the clouds over most areas with no obvious sign yet of clearing out. The low pressure system that fueled the cloudy and cool close to the workweek is now centered over north Arizona, and all projections show it sliding further to the east tonight with high pressure aloft pushing into California. This evolution is still favorable to drastically weaken the onshore flow at the same time, likely resulting in a brief burst (15-25 mph) of northeast winds over the mountains Saturday morning. All of this adds up to the logical conclusion of decreasing cloud overnight. The marine layer however often defies logic, especially in a situation like this with rapid synoptic changes. So if there was ever a textbook low confidence forecast, it would be the cloud forecast for the next 18 hours.
With all that said however, confidence is high for risen temperatures over the holiday weekend, especially away from the coast.
***From Previous Discussion***
Chamber of commerce weather is expected over the weekend into Monday with plenty of sunshine and temperatures rising to within a few degrees of normal. Low confidence on when or if low clouds and fog will reform but clouds should just be morning feature at most. Gradients are already trending weaker today and expect that to really kick in tonight into early Saturday with a 4-5mb offshore trend, leading to some areas of breezy northeast winds across the LA Mountains and some of the higher valley areas Saturday morning.
.LONG TERM (TUE-FRI)...18/158 PM.
Onshore flow begins its return as early as Sunday but especially Monday as the next trough deepens along the West Coast. No precipitation expected locally but temperatures will begin a slow cooling trend that will continue through the week. Low clouds and fog will return to coastal areas by Monday if not before and eventually the valleys as cooling aloft deepens the marine inversion. The increasing onshore flow will create increasing west to southwest winds especially in the Antelope Valley. But otherwise a fairly low impact period of weather with another long stretch of below normal temperatures. Longer range models indicate a continued cool pattern through next week and even into the last week of April.
AVIATION
19/0615Z.
At 0505Z at KLAX, the marine layer was 4200 ft deep. The top of the weak inversion was 6600 feet with a temperature of 6 deg C.
High confidence in TAFs for KPMD and KWJF.
Moderate confidence in the rest of the TAFs. There is a 25 percent chc that MVFR cigs will occur 11Z-16Z at sites with no low clouds fcst. Low clouds at KSMX and KSBP may last until 18Z.
KLAX...Moderate confidence in TAF through 16Z then good confidence. There is a 25 percent chc of BKN025 cigs 11Z-16Z. No significant east wind component expected.
KBUR...Moderate confidence in TAF through 16Z then good confidence. There is a 25 percent chc of BKN020 cigs 11Z-16Z.
MARINE
18/744 PM.
For the Outer Waters, moderate to high confidence in current forecast. There is a 30% chance of localized Small Craft Advisory (SCA) level northwest wind gusts over the Outer Waters through this evening. Saturday through Monday morning, there is a 20-30% chance for SCA level wind gusts around Point Conception and the Channel Islands in the afternoon and evening hours. Elsewhere, winds and seas are expected to remain sub advisory through Monday morning. Then, Monday afternoon through Tuesday night, there is a 60-80% chance of SCA level winds, with a 40-50% chance of continued SCA winds Wednesday into Wednesday night.
For the Inner Waters north of Point Sal, moderate to high confidence in current forecast. Saturday through Monday morning, high confidence in winds and seas remaining below SCA levels.
Starting Monday there is a 30-40% chance of SCA level winds in the afternoon and evening hours, with the best chances Tuesday and Wednesday.
For the Inner Waters south of Point Conception, moderate to high confidence in current forecast. Today through Tuesday, high confidence in winds and seas remaining below SCA levels across most areas. The only exception will be the western half of the Santa Barbara Channel where there is a 30-50% of SCA level wind gusts on Saturday in the afternoon through evening hours.
LOX WATCHES/WARNINGS/ADVISORIES
CA...NONE.
PZ...NONE.
Stations | Dist | Age | Wind | Air | Water | Waves | inHg | DewPt |
NTBC1 - Santa Barbara, CA - 9411340 | 29 mi | 71 min | NNE 2.9G | 54°F | 30.08 | |||
46025 - Santa Monica Basin - 33NM West Southwest of Santa Monica, CA | 30 mi | 27 min | W 3.9G | 56°F | 57°F | 2 ft | 30.09 | 52°F |
46053 - E. SANTA BARBARA - 12NM Southwest of Santa Barbara, CA | 31 mi | 27 min | ENE 3.9G | 54°F | 54°F | 2 ft | 30.03 | 53°F |
46251 | 31 mi | 51 min | 56°F | 57°F | 3 ft | |||
46268 | 37 mi | 77 min | 56°F | 58°F | 2 ft | |||
46221 - Santa Monica Bay, CA (028) | 38 mi | 51 min | 59°F | 2 ft | ||||
ICAC1 - 9410840 - Santa Monica Pier | 41 mi | 47 min | SSE 1.9G | 56°F | 57°F | 30.07 |
Wind History for Santa Barbara, CA
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Airport Reports
Link to 1 hour of 5 minute data for KOXR
Terminal Aerodrome Forecast (TAF) for KOXR
Wind History Graph: OXR
(wind in knots)GEOS Local Image of Southwest
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Los Angeles, CA,

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