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Marine Weather and Tides
Version 3.4 |
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome. 10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name. |
| Sunrise 6:54AM | Sunset 5:14PM | Monday January 21, 2019 9:33 AM PST (17:33 UTC) | Moonrise 7:07PM | Moonset 8:23AM | Illumination 99% |  |
PZZ655 Inner Waters From Point Mugu To San Mateo Pt. Ca Including Santa Catalina And Anacapa Islands- 925 Am Pst Mon Jan 21 2019
.small craft advisory in effect through Tuesday afternoon...
Today..NW winds 15 to 25 kt with local gusts to 30 kt. Strongest western portion. Combined seas 7 to 8 ft dominant period 11 seconds.
Tonight..N winds 15 to 25 kt. Combined seas 7 to 8 ft dominant period 7 seconds, subsiding to 5 to 7 ft dominant period 11 seconds after midnight.
Tue..From point mugu to santa Monica, ne winds 20 to 30 kt. Elsewhere, ne winds 15 to 20 kt. Combined seas 4 to 6 ft dominant period 11 seconds.
Tue night..From point mugu to santa Monica and S of palos verdes, N winds 15 to 20 kt becoming ne 20 to 25 kt after midnight. Elsewhere, nw winds around 10 kt becoming variable 10 kt or less after midnight. Wind waves 2 to 4 ft. W swell 2 to 3 ft at 10 seconds.
Wed..From point mugu to santa Monica, ne winds 20 to 25 kt becoming 10 to 15 kt in the afternoon. Elsewhere, ne winds 10 to 15 kt becoming N 10 kt in the afternoon. Wind waves 1 to 3 ft. W swell 2 ft at 12 seconds.
Wed night..N winds 10 to 15 kt, becoming 5 to 10 kt after midnight. Wind waves 2 ft or less. W swell 2 ft at 15 seconds.
Thu..NE winds 10 to 15 kt. Wind waves 2 ft or less. W swell 2 to 3 ft.
Fri..N winds 10 to 15 kt. Wind waves 2 ft or less. W swell 2 to 3 ft.
.small craft advisory in effect through Tuesday afternoon...
Today..NW winds 15 to 25 kt with local gusts to 30 kt. Strongest western portion. Combined seas 7 to 8 ft dominant period 11 seconds.
Tonight..N winds 15 to 25 kt. Combined seas 7 to 8 ft dominant period 7 seconds, subsiding to 5 to 7 ft dominant period 11 seconds after midnight.
Tue..From point mugu to santa Monica, ne winds 20 to 30 kt. Elsewhere, ne winds 15 to 20 kt. Combined seas 4 to 6 ft dominant period 11 seconds.
Tue night..From point mugu to santa Monica and S of palos verdes, N winds 15 to 20 kt becoming ne 20 to 25 kt after midnight. Elsewhere, nw winds around 10 kt becoming variable 10 kt or less after midnight. Wind waves 2 to 4 ft. W swell 2 to 3 ft at 10 seconds.
Wed..From point mugu to santa Monica, ne winds 20 to 25 kt becoming 10 to 15 kt in the afternoon. Elsewhere, ne winds 10 to 15 kt becoming N 10 kt in the afternoon. Wind waves 1 to 3 ft. W swell 2 ft at 12 seconds.
Wed night..N winds 10 to 15 kt, becoming 5 to 10 kt after midnight. Wind waves 2 ft or less. W swell 2 ft at 15 seconds.
Thu..NE winds 10 to 15 kt. Wind waves 2 ft or less. W swell 2 to 3 ft.
Fri..N winds 10 to 15 kt. Wind waves 2 ft or less. W swell 2 to 3 ft.
PZZ600 925 Am Pst Mon Jan 21 2019
Synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park..At 17z...or 9 am pst, a 1028 mb high was over the eastern pacific and a 1000 mb low was over wyoming.
Synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park..At 17z...or 9 am pst, a 1028 mb high was over the eastern pacific and a 1000 mb low was over wyoming.
7 Day Forecast for Marine Location Near Rolling Hills Estates, CA
Hourly EDIT Helplocation: 33.72, -118.27 debug
Area Discussion for - Los Angeles/Oxnard, CA
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus66 klox 211109 afdlox area forecast discussion national weather service los angeles oxnard ca 309 am pst Mon jan 21 2019 Synopsis 20 1025 pm. There is a chance of snow showers in the ventura and los angeles county mountains through Monday evening. Otherwise conditions will be dry across the region this week. Winds will be breezy then gusty santa ana winds will develop Tuesday morning. Temperatures will be cool on Monday then there will be a warming trend during the week. Short term (tdy-wed) 21 303 am. Yesterdays weak cold front has passed on by. It dropped light amounts of rain across slo and NRN sba counties. Strong northwest winds have developed in the wake of the front and the upslope flow near the kern county line will bring clouds and a chance of light rain snow showers across the north facing mountain slopes for the rest of the day and into the evening. Light rain showers are also possible across the san gabriel foothills this morning due to favorable cyclonic flow. Snow levels will were above 6000 feet yesterday but with all the cold air pushing in they will lower rapidly this morning, especially near the kern county line. Snow levels will dip to 3500 feet today. This low a snow level will bring snow showers to interstate 5 near the grapevine as well as highway 33 in the ventura county mountains. Total snow accumulations with this system will be between 1-3 inches across north facing mountain slopes. The grapevine could see almost an inch of snow. The snow showers will combine with the strong post frontal winds will produce difficult driving conditions. A winter weather advisory continues for the north facing mountains of la ventura counties (including interstate 5) through noon. The post frontal winds fueled by a strong sfc pressure gradient, cold air advection and good upper support will bring northwest to north advisory level winds to much of the area. The strongest winds are expected in the mountains (especially i-5 corridor, santa ynez range, and hwy 33 corridor in ventura county). The antelope valley will also be very windy today with gusts between 45 and 55 mph will be common along with isolated gusts to 60 mph in favored locations. Strong winds will also occur across the sba south coast, with gusts over 50 mph in the hills. All of the cold air advection will make today the coolest day of the next 7 with MAX temps coming in 3 to 6 degrees below normals. Strong cold sfc high pressure builds into nv on Tuesday and will set up a strong NE offshore pressure pattern. The winds will shift to the northeast early Tuesday and a santa ana wind event will start up. The strongest winds will set up in the la county mountains and will extend to the SW going through the santa clarita vly, the western san fernando vly, the eastern portion of the ventura vlys. The winds will also flow through the santa monica mtns and will squirt out and over the beaches from malibu to pt mugu. There will be a little warming on Tuesday across the coasts and vlys (the interior will see temps similar to today) due to the compressional warming of the offshore winds. But since there will also be quite a bit of cool desert air arriving with the santa ana winds there will only be 2 to 4 degree of warming and most areas max temperatures will remain below normal. The santa ana winds will continue Wednesday but there will be much less upper level and thermal support. The windiest mtn and vly locations will see low end advisory gusts. By noon, however, the diurnal pressure trends will diminish the winds to below the advisory thresholds. With less cold air advection there will be a good jump in temps everywhere and most if not all areas should see MAX temps rise to 3 to 6 degrees above normal under sunny skies. Long term (thu-sun) 21 309 am. Both the ec and GFS agree that the state will be under the eastern half of an east pac high for the entire time thu-sun. Sfc high pressure remains anchored over the great basin through the period and there will be varying degrees of offshore flow through the period. Right now it looks like Friday will have the strongest offshore flow and some low end advisories may be needed then. The ridge and the offshore flow should keep skies mostly clear through the period. The higher than normal hgts combined with the offshore flow will bring well above normal temps to the area for all four days. Currently Saturday is slated to be the warmest of the next 7 with mx temps 8 to 12 degrees above normal. |
Aviation 21 1030z. At 1030z, there was no marine inversion at klax. Overall, moderate to high confidence in 12z TAF package. High confidence inVFR sky conditions for all sites through the taf period with sct-bkn040-060 deck possible through 20z. Moderate confidence in wind forecast due to some uncertainty of the timing of changes in strength direction. There is 40% chance of some MVFR vsbys in blowing dust sand at kwjf kpmd 16z-02z. Klax... Moderate confidence in 12z taf. High confidence inVFR conditions through TAF period. Moderate confidence in timing of changes in wind strength direction. There is a 50% chance of northerly cross winds around 15 knots 03z-12z. Kbur... Moderate confidence in 12z taf. High confidence inVFR conditions through TAF period. Moderate confidence in timing of changes in wind strength direction. Marine 21 230 am. For the outer waters, moderate confidence in current forecast. Strong small craft advisory (sca) level northwest winds will continue through tonight with a 20% chance of gale force gusts. On Tuesday, there is a 30% chance of SCA level winds then winds and seas are expected to remain below SCA levels Wednesday through Friday. For the inner waters north of point sal, high confidence in current forecast. SCA level northwest winds will continue through tonight. For Tuesday through Friday, winds and seas are expected to remain below SCA levels. For the inner waters south of point conception, moderate confidence in current forecast. High confidence in SCA level west to northwest winds through this evening. For Tuesday and Wednesday, there is a 60% chance of SCA level northeast winds from point mugu southward. For Thursday and Friday, winds and seas are expected to remain below SCA levels. Beaches 21 230 am. A new west to northwest swell will move into the coastal waters today. These swells will produce elevated surf and strong rip currents on west-facing beaches through Tuesday. Large astronomical high tides are also be expected each morning through this time, peaking today. Due to the higher than normal tides and elevated surf, there could be minor coastal flooding near the times of the morning high tide each day. As a result of the elevated surf and potential for minor coastal flooding, a beach hazards statement is in effect for all west facing beaches through Tuesday. Lox watches warnings advisories Ca... Beach hazards statement in effect through Tuesday morning for zones 34-35-40-41-87. (see laxcfwlox). Wind advisory in effect until 10 am pst Tuesday for zones 39-52. (see laxnpwlox). Beach hazards statement in effect through this afternoon for zone 39. (see laxcfwlox). Wind advisory in effect until 3 pm pst this afternoon for zone 41. (see laxnpwlox). Wind advisory in effect until noon pst Wednesday for zones 44>46-53-54-88-547. (see laxnpwlox). Winter weather advisory in effect until noon pst today for zones 53-54. (see laxwswlox). Wind advisory in effect until 4 pm pst this afternoon for zone 59. (see laxnpwlox). Pz... Small craft advisory in effect until 3 am pst Tuesday 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). Hazard potential outlook (wed-sun) Advisory level north to northeast winds possible Wednesday across la and ventura counties. Public... Rorke aviation... Rat marine... Rat beaches... Rat synopsis... Kj weather.Gov losangeles |
Weather Reporting Stations
EDIT (on/off) Help NOTE: Click on distance to see the station location on a map| Stations | Dist | Age | Wind | Air Temp | Water Temp | Waves | Pressure | DewPt |
| OHBC1 - 9410660 - Los Angeles, CA | 0 mi | 33 min | 62°F | 1020.5 hPa (+2.7) | ||||
| AGXC1 | 1 mi | 33 min | NW 8 G 9.9 | 57°F | 1020.5 hPa (+2.7) | |||
| PFDC1 | 2 mi | 33 min | WNW 11 G 13 | |||||
| PFXC1 | 3 mi | 33 min | NNW 19 G 23 | 58°F | ||||
| PXAC1 | 3 mi | 33 min | NNW 13 G 15 | |||||
| 46256 | 4 mi | 33 min | 60°F | 3 ft | ||||
| BAXC1 | 4 mi | 51 min | NNW 17 G 20 | |||||
| PSXC1 | 4 mi | 33 min | NNW 16 G 24 | |||||
| PRJC1 | 5 mi | 33 min | NNW 7 G 16 | |||||
| 46222 - San Pedro, CA (092) | 7 mi | 33 min | 60°F | 8 ft | ||||
| 46253 | 11 mi | 33 min | 61°F | 7 ft | ||||
| 46221 - Santa Monica Bay, CA (028) | 21 mi | 33 min | 61°F | 7 ft | ||||
| ICAC1 - 9410840 - Santa Monica Pier | 23 mi | 33 min | N 9.9 G 16 | 56°F | 60°F | 1020.7 hPa (+2.4) | ||
| 46025 - Santa Monica Basin - 33NM West Southwest of Santa Monica, CA | 41 mi | 33 min | NW 21 G 27 | 57°F | 60°F | 1019.9 hPa (+2.5) | 49°F |
Wind History for Angels Gate, CA
(wind in knots) EDIT (on/off) Help| 8 AM | 9 AM | 10 AM | 11 AM | 12 PM | 1 PM | -12 PM | 3 PM | 4 PM | 5 PM | 6 PM | 7 PM | 8 PM | 9 PM | 10 PM | 11 PM | 12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | 7 AM | |
| Last 24hr | NW | N | S | SW | SW | SW G11 | E | W | W G16 | W | W | W | W G11 | NW G10 | NW | NW | W G24 | W | W | W G33 | W G19 | NW | NW | |
| 1 day ago | N | N | N | S | SW | SW | SW | SW | SW | -- | E | SW | -- | S | NE | NW | NW | NW | N | NW | NW | NW | NW | NW |
| 2 days ago | N | N | SE | SE | SE | S | S | SW | SW | W | W | N | NW | W | N | N | NW | NW | NW | N | N | N | NW |
Airport Reports
EDIT (on/off) Help Click EDIT to display multiple airports| Airport | Dist | Age | Wind kt | Visibility | Sky/Weather | Temp | DewPt | Humidity | Pressure |
| Torrance, Zamperini Field Airport, CA | 6 mi | 42 min | NW 9 G 15 | 10.00 mi | A Few Clouds | 55°F | 32°F | 41% | 1020.3 hPa |
| Long Beach, Long Beach Airport, CA | 10 mi | 40 min | NNW 16 | 10.00 mi | Fair | 58°F | 33°F | 39% | 1019.7 hPa |
| Los Alamitos Army Airfield, CA | 13 mi | 4.6 hrs | W 6 | 10.00 mi | Fair | 54°F | 44°F | 69% | 1017.2 hPa |
| Hawthorne, Hawthorne Municipal Airport, CA | 15 mi | 40 min | NNW 5 | 10.00 mi | Fair | 57°F | 32°F | 39% | 1020.2 hPa |
| Los Angeles, Los Angeles International Airport, CA | 17 mi | 40 min | NNW 9 | 10.00 mi | Partly Cloudy | 57°F | 32°F | 39% | 1020 hPa |
| Fullerton, Fullerton Municipal Airport, CA | 19 mi | 40 min | W 10 | 10.00 mi | A Few Clouds | 59°F | 30°F | 35% | 1019 hPa |
| John Wayne-Orange County Airport, CA | 21 mi | 40 min | W 5 | 10.00 mi | A Few Clouds | 58°F | 33°F | 39% | 1019.3 hPa |
| Los Angeles / USC Campus Downtown, CA | 21 mi | 46 min | Var 3 | 10.00 mi | Fair | 57°F | 32°F | 39% | 1019.7 hPa |
| Avalon Catalina Airport, CA | 23 mi | 42 min | NW 13 G 21 | 10.00 mi | Fair | 51°F | 37°F | 61% | 1019.7 hPa |
| Santa Monica, Santa Monica Municipal Airport, CA | 23 mi | 42 min | N 8 G 15 | 10.00 mi | Fair | 59°F | 30°F | 35% | 1020.2 hPa |
Wind History from TOA (wind in knots)
| 10 AM | 11 AM | 12 PM | 1 PM | 2 PM | 3 PM | 4 PM | 5 PM | 6 PM | 7 PM | 8 PM | 9 PM | 10 PM | 11 PM | 12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | 7 AM | 8 AM | 9 AM | |
| Last 24hr | Calm | Calm | W | W | W G24 | W | W G24 | W G24 | W | W G22 | W G25 | W | W | NW G15 | ||||||||||
| 1 day ago | Calm | Calm | Calm | W | W | W | W | S | Calm | Calm | ||||||||||||||
| 2 days ago | Calm | Calm | Calm | W | Calm | W | S | W | Calm | S | Calm |
Tide / Current Tables for Los Angeles, California
EDIT RT Ports Option Weekend mode (on/off) (on/off) Help One Week of DataLos Angeles
Click for Map
Mon -- 02:28 AM PST 1.67 feet Low Tide
Mon -- 06:55 AM PST Sunrise
Mon -- 07:23 AM PST Moonset
Mon -- 08:42 AM PST 7.04 feet High Tide
Mon -- 03:51 PM PST -1.75 feet Low Tide
Mon -- 05:13 PM PST Sunset
Mon -- 06:06 PM PST Moonrise
Mon -- 10:19 PM PST 4.42 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Mon -- 02:28 AM PST 1.67 feet Low Tide
Mon -- 06:55 AM PST Sunrise
Mon -- 07:23 AM PST Moonset
Mon -- 08:42 AM PST 7.04 feet High Tide
Mon -- 03:51 PM PST -1.75 feet Low Tide
Mon -- 05:13 PM PST Sunset
Mon -- 06:06 PM PST Moonrise
Mon -- 10:19 PM PST 4.42 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
| 12 am | 1 am | 2 am | 3 am | 4 am | 5 am | 6 am | 7 am | 8 am | 9 am | 10 am | 11 am | 12 pm | 1 pm | 2 pm | 3 pm | 4 pm | 5 pm | 6 pm | 7 pm | 8 pm | 9 pm | 10 pm | 11 pm |
| 3 | 2.2 | 1.7 | 1.7 | 2.3 | 3.4 | 4.8 | 6 | 6.8 | 7 | 6.4 | 5 | 3.2 | 1.3 | -0.4 | -1.5 | -1.7 | -1.2 | -0.1 | 1.4 | 2.8 | 3.9 | 4.4 | 4.3 |
Tide / Current Tables for Los Patos (highway bridge), California
EDIT (on/off) Help One Week of DataLos Patos (highway bridge)
Click for Map
Mon -- 03:40 AM PST 1.00 feet Low Tide
Mon -- 06:54 AM PST Sunrise
Mon -- 07:22 AM PST Moonset
Mon -- 09:42 AM PST 5.84 feet High Tide
Mon -- 05:03 PM PST -1.05 feet Low Tide
Mon -- 05:12 PM PST Sunset
Mon -- 06:06 PM PST Moonrise
Mon -- 11:19 PM PST 3.67 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Mon -- 03:40 AM PST 1.00 feet Low Tide
Mon -- 06:54 AM PST Sunrise
Mon -- 07:22 AM PST Moonset
Mon -- 09:42 AM PST 5.84 feet High Tide
Mon -- 05:03 PM PST -1.05 feet Low Tide
Mon -- 05:12 PM PST Sunset
Mon -- 06:06 PM PST Moonrise
Mon -- 11:19 PM PST 3.67 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
| 12 am | 1 am | 2 am | 3 am | 4 am | 5 am | 6 am | 7 am | 8 am | 9 am | 10 am | 11 am | 12 pm | 1 pm | 2 pm | 3 pm | 4 pm | 5 pm | 6 pm | 7 pm | 8 pm | 9 pm | 10 pm | 11 pm |
| 3.1 | 2.4 | 1.6 | 1.1 | 1 | 1.5 | 2.5 | 3.7 | 4.9 | 5.7 | 5.8 | 5.3 | 4.3 | 3 | 1.5 | 0.2 | -0.7 | -1 | -0.8 | 0.1 | 1.2 | 2.4 | 3.2 | 3.6 |
Weather Map and Satellite Images
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GOES 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.
Link to Loop
Other links: Northern Pacific Contential US Full GOES-East
Wind Forecast for Los Angeles/Oxnard, CA (12,3,4,5)
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Ground Weather Radar Station Santa Ana Mtns, CA
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Disclaimer: 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 numerious 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. |