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Marine Weather and Tides
Version 3.4 |
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports. 6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen |
| Sunrise 6:27AM | Sunset 7:55PM | Wednesday August 21, 2019 4:08 AM PDT (11:08 UTC) | Moonrise 10:20PM | Moonset 11:04AM | Illumination 67% |  |
PZZ530 San Pablo Bay, Suisun Bay, The West Delta And The San Francisco Bay North Of The Bay Bridge- 256 Am Pdt Wed Aug 21 2019
.small craft advisory in effect from noon pdt today through this evening...
Today..S winds 5 to 10 kt, becoming sw 10 to 20 kt with gusts up to 30 kt this afternoon.
Tonight..SW winds 10 to 15 kt with gusts up to 25 kt.
Thu..SW winds 10 to 15 kt.
Thu night..SW winds 15 to 20 kt with gusts up to 25 kt.
Fri..SW winds 15 to 20 kt with gusts up to 25 kt.
Fri night..SW winds 10 to 15 kt.
Sat..SW winds 15 to 20 kt.
Sun..SW winds 15 to 20 kt.
.small craft advisory in effect from noon pdt today through this evening...
Today..S winds 5 to 10 kt, becoming sw 10 to 20 kt with gusts up to 30 kt this afternoon.
Tonight..SW winds 10 to 15 kt with gusts up to 25 kt.
Thu..SW winds 10 to 15 kt.
Thu night..SW winds 15 to 20 kt with gusts up to 25 kt.
Fri..SW winds 15 to 20 kt with gusts up to 25 kt.
Fri night..SW winds 10 to 15 kt.
Sat..SW winds 15 to 20 kt.
Sun..SW winds 15 to 20 kt.
PZZ500 256 Am Pdt Wed Aug 21 2019
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Light to moderate northwest winds will persist across the coastal waters through mid-week as high pressure sits over the eastern pacific and low pressure develops over central california. Locally gusty coastal jets are forecast south of point arena, pigeon point, and point sur that will create hazardous seas conditions for smaller vessels. Breezy afternoon and evening winds are also forecast over the san francisco bay as well as over the Monterey bay. Mixed seas will continue with shorter period northwest waves at around 8 to 10 seconds, a light longer period west swell, and a light southerly swell.
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Light to moderate northwest winds will persist across the coastal waters through mid-week as high pressure sits over the eastern pacific and low pressure develops over central california. Locally gusty coastal jets are forecast south of point arena, pigeon point, and point sur that will create hazardous seas conditions for smaller vessels. Breezy afternoon and evening winds are also forecast over the san francisco bay as well as over the Monterey bay. Mixed seas will continue with shorter period northwest waves at around 8 to 10 seconds, a light longer period west swell, and a light southerly swell.
7 Day Forecast for Marine Location Near Concord, CA
Hourly EDIT HelpArea Discussion for - Sacramento, CA
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus66 ksto 210937 afdsto area forecast discussion national weather service sacramento ca 237 am pdt Wed aug 21 2019 Synopsis Strengthening high pressure will result in dry weather with above average temperatures into next week. Discussion Satellite imagery shows the upper trough approaching the pacnw with a few weak short-waves out ahead of it bringing some high clouds to norcal. Little if any stratus is noted along the coast and profiler data indicate the marine layer has been mixed out and is very shallow (less than 500 ft). Current temperatures are running within a couple of degrees of readings 24 hours ago and generally range from the 40s in the mountain valleys, to the upper 50s and 60s across the central valley. |
Despite the trough passage to our north today, temperatures will begin to increase across the region as onshore flow weakens. High pressure will strengthen Thursday into the weekend resulting in above average temperatures with most valley locales expected to see highs around, or slightly above, the century mark. Extended discussion (Sunday through Wednesday) Upper high extends NW from the desert SW over interior norcal as epac high extends inland. This will result in continued above normal temperatures Sunday into next Wednesday. Triple digit heat expected in the northern sacramento valley with upper 90s elsewhere in the central valley. Aviation Vfr conds ovr intr norcal nxt 24 hrs. Sfc wnds genly blo 12 kts exc LCL gsts to 25 kts in delta and ovr hyr trrn this aftn into eve. Sto watches warnings advisories None. |
Weather Reporting Stations
EDIT (on/off) Help NOTE: Click on distance to see the station location on a mapWind History for Port Chicago, CA
(wind in knots) EDIT (on/off) Help| 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 | 12 AM | 1 AM | 2 AM | 3 AM | |
| Last 24hr | SW G15 | SW | SW G12 | SW G12 | SW G17 | SW G15 | W | W | W G17 | W | W | W | W G17 | W | W | SW G19 | SW G16 | SW | SW | SW G14 | SW G9 | SW G8 | SW G9 | S G12 |
| 1 day ago | W G17 | W G16 | W | SW G14 | W | W G15 | W G17 | W | W | W G17 | W G17 | W | W | SW G13 | SW G13 | SW G10 | SW | SW G15 | SW G12 | SW | SW G8 | SW | SW G13 | SW G14 |
| 2 days ago | W | SW G14 | SW G15 | W G15 | W G17 | W | W G17 | W | W | W G24 | W | W | W | W | W G17 | W | SW G15 | SW G19 | W G20 | SW G21 | SW | W G19 | W |
Airport Reports
EDIT (on/off) Help Click EDIT to display multiple airports. Follow links for more data.| Airport | Dist | Age | Wind kt | Visibility | Sky/Weather | Temp | DewPt | Humidity | Pressure |
| Concord, Buchanan Field, CA | 3 mi | 76 min | S 12 | 10.00 mi | Fair | 64°F | 55°F | 73% | 1013.2 hPa |
| Fairfield / Travis Air Force Base, CA | 20 mi | 71 min | SW 14 | 10.00 mi | Fair | 62°F | 56°F | 83% | 1013.8 hPa |
| Napa, Napa County Airport, CA | 21 mi | 75 min | N 0 | 10.00 mi | Fair | 55°F | 54°F | 96% | 1013.7 hPa |
| Livermore, Livermore Municipal Airport, CA | 23 mi | 76 min | WNW 3 | 10.00 mi | Fair | 58°F | 54°F | 87% | 1014.7 hPa |
| Hayward, Hayward Air Terminal, CA | 24 mi | 75 min | SW 3 | 10.00 mi | Fair | 62°F | 55°F | 80% | 1016.1 hPa |
| Oakland, Metro Oakland International Airport, CA | 24 mi | 76 min | WNW 5 | 10.00 mi | A Few Clouds | 61°F | 55°F | 84% | 1015.3 hPa |
Link to 5 minute data for KCCR
Wind History from CCR (wind in knots)
| 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 | 12 AM | 1 AM | 2 AM | 3 AM | 4 AM | |
| Last 24hr | S | SW | SW | SW | S | S | S | W | W G16 | W | W | SW | SW | W | SW | SW | S | S | S | S | S | S | S | |
| 1 day ago | SW | SW | SW | SW | SW | SW | SW | SW | S | S | S | S | S | SW | SW | S | S | S | S | S | S | SW | SW | S |
| 2 days ago | SW | SW | SW | SW | SW | SW | NW G17 | NW | W | W | W | W | W | W | W | W | W | SW | SW | W G25 | SW | W G19 |
Tide / Current Tables for Mallard Island Ferry Wharf, Suisun Bay, California
EDIT Weekend mode (on/off) (on/off) Help One Week of DataMallard Island Ferry Wharf
Click for Map
Wed -- 01:40 AM PDT 1.07 feet Low Tide
Wed -- 06:27 AM PDT Sunrise
Wed -- 07:13 AM PDT 3.04 feet High Tide
Wed -- 12:04 PM PDT Moonset
Wed -- 01:13 PM PDT 0.75 feet Low Tide
Wed -- 07:22 PM PDT 3.87 feet High Tide
Wed -- 07:53 PM PDT Sunset
Wed -- 11:19 PM PDT Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Wed -- 01:40 AM PDT 1.07 feet Low Tide
Wed -- 06:27 AM PDT Sunrise
Wed -- 07:13 AM PDT 3.04 feet High Tide
Wed -- 12:04 PM PDT Moonset
Wed -- 01:13 PM PDT 0.75 feet Low Tide
Wed -- 07:22 PM PDT 3.87 feet High Tide
Wed -- 07:53 PM PDT Sunset
Wed -- 11:19 PM PDT Moonrise
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 |
| 1.4 | 1.1 | 1.1 | 1.3 | 1.8 | 2.4 | 2.8 | 3 | 3 | 2.7 | 2.2 | 1.5 | 1 | 0.8 | 0.8 | 1.3 | 2 | 2.8 | 3.5 | 3.8 | 3.8 | 3.5 | 3 | 2.3 |
Tide / Current Tables for Stake Point .9 Mi NNW, Suisun Bay, California Current
EDIT (on/off) Help One Week of DataStake Point .9 Mi NNW
Click for Map
Wed -- 02:31 AM PDT 0.00 knots Slack
Wed -- 05:41 AM PDT 0.59 knots Max Flood
Wed -- 06:27 AM PDT Sunrise
Wed -- 08:34 AM PDT -0.00 knots Slack
Wed -- 11:20 AM PDT -0.60 knots Max Ebb
Wed -- 12:04 PM PDT Moonset
Wed -- 02:16 PM PDT 0.00 knots Slack
Wed -- 05:48 PM PDT 0.94 knots Max Flood
Wed -- 07:53 PM PDT Sunset
Wed -- 08:53 PM PDT -0.00 knots Slack
Wed -- 11:19 PM PDT Moonrise
Wed -- 11:44 PM PDT -0.68 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Wed -- 02:31 AM PDT 0.00 knots Slack
Wed -- 05:41 AM PDT 0.59 knots Max Flood
Wed -- 06:27 AM PDT Sunrise
Wed -- 08:34 AM PDT -0.00 knots Slack
Wed -- 11:20 AM PDT -0.60 knots Max Ebb
Wed -- 12:04 PM PDT Moonset
Wed -- 02:16 PM PDT 0.00 knots Slack
Wed -- 05:48 PM PDT 0.94 knots Max Flood
Wed -- 07:53 PM PDT Sunset
Wed -- 08:53 PM PDT -0.00 knots Slack
Wed -- 11:19 PM PDT Moonrise
Wed -- 11:44 PM PDT -0.68 knots Max Ebb
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 |
| -0.6 | -0.4 | -0.2 | 0.1 | 0.4 | 0.6 | 0.6 | 0.4 | 0.2 | -0.1 | -0.4 | -0.6 | -0.6 | -0.4 | -0.1 | 0.3 | 0.6 | 0.9 | 0.9 | 0.7 | 0.4 | -0 | -0.4 | -0.6 |
Weather Map and Satellite Images
(on/off) HelpWeather Map
GOES Local Image of CentralWestCoast 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 Sacramento, CA (7,2,3,4)
(on/off) Help
Ground Weather Radar Station Sacramento, CA
(on/off) Help
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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. |