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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 6:26AM | Sunset 7:52PM | Thursday August 22, 2019 10:49 AM PDT (17:49 UTC) | Moonrise 10:51PM | Moonset 12:02PM | Illumination 54% |  |
PZZ530 San Pablo Bay, Suisun Bay, The West Delta And The San Francisco Bay North Of The Bay Bridge- 916 Am Pdt Thu Aug 22 2019
Today..SW winds 5 to 10 kt, increasing to 10 to 15 kt this afternoon.
Tonight..SW winds 15 to 20 kt with gusts up to 25 kt.
Fri..SW winds 10 to 20 kt with gusts up to 25 kt.
Fri night..SW winds 10 to 15 kt.
Sat..SW winds 10 to 15 kt.
Sat night..SW winds 5 to 10 kt.
Sun..SW winds 15 to 20 kt.
Mon..SW winds 15 to 20 kt.
Today..SW winds 5 to 10 kt, increasing to 10 to 15 kt this afternoon.
Tonight..SW winds 15 to 20 kt with gusts up to 25 kt.
Fri..SW winds 10 to 20 kt with gusts up to 25 kt.
Fri night..SW winds 10 to 15 kt.
Sat..SW winds 10 to 15 kt.
Sat night..SW winds 5 to 10 kt.
Sun..SW winds 15 to 20 kt.
Mon..SW winds 15 to 20 kt.
PZZ500 916 Am Pdt Thu Aug 22 2019
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Northwest winds will increase across the coastal waters today. Infrequent gale force gusts will also be possible in the outer waters north of point reyes. Winds will weaken drastically on Friday and become southwesterly along the coast. Mixed seas will continue with shorter period northwest waves around 6 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... Northwest winds will increase across the coastal waters today. Infrequent gale force gusts will also be possible in the outer waters north of point reyes. Winds will weaken drastically on Friday and become southwesterly along the coast. Mixed seas will continue with shorter period northwest waves around 6 seconds, a light longer period west swell, and a light southerly swell.
7 Day Forecast for Marine Location Near Bethel Island, CA
Hourly EDIT Helplocation: 38.01, -121.64 debug
Area Discussion for - Sacramento, CA
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus66 ksto 220938 afdsto area forecast discussion national weather service sacramento ca 238 am pdt Thu aug 22 2019 Synopsis Above average temperatures are expected into next week. Dry weather pattern continues. Discussion Latest satellite imagery indicates high clouds spreading sewd across interior norcal as upper level trough moves through the pacnw. Therefore, cloud cover has kept current temperatures generally 5 to 15 degrees warmer than 24 hours ago. Above normal temperatures are expected through the forecast period as the upper trough exits the region, and strong high pressure builds over norcal. Northerly winds will develop behind the trough, boosting high temperatures a degree or two compared to yesterday's readings. Valley locations should see temperatures in the mid 90s to around 104, while highs in the low 70s to mid |
80s are expected over the mountains. These forecast highs will range from 5 to 10 degrees above normal. Overnight lows will provide some relief from the hot daytime temperatures, with valley readings in the 60s. Extended discussion (Monday through Thursday) Upper high extends NW from the desert SW over interior norcal as epac high extends inland. Weak upper low lifts from the SW over norcal Wednesday into Thursday. This will result in gradual downward trend in high temperatures, but continued above normal temperatures with triple digit heat in the northern sacramento valley and upper 90s elsewhere in the central valley. Dry weather forecast through the extended period. 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 tngt. Sto watches warnings advisories None. |
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 |
| PSBC1 - 9415115 - Pittsburg (Suisun Bay), CA | 13 mi | 50 min | NW 6 G 8.9 | 78°F | 1008.6 hPa (+0.5) | |||
| PCOC1 - 9415144 - Port Chicago, CA | 21 mi | 50 min | W 8.9 G 11 | 73°F | 72°F | 1009.2 hPa (+0.0) | ||
| SFXC1 - San Francisco Bay Reserve, CA | 24 mi | 65 min | W 5.1 | 76°F | 1009 hPa | 67°F | ||
| UPBC1 | 26 mi | 50 min | NW 6 G 8 | |||||
| MZXC1 - 9415102 - Martinez-Amorco CA | 26 mi | 50 min | WNW 8 G 8.9 | 73°F | 72°F | 1009.3 hPa (+0.0) | ||
| DPXC1 - 9415141 - Davis Point, San Pablo Bay, CA | 33 mi | 50 min | W 5.1 G 6 | 71°F | 1009.3 hPa | |||
| LNDC1 | 37 mi | 50 min | WSW 2.9 G 4.1 | 65°F | 1010.1 hPa (+0.4) | |||
| AAMC1 - 9414750 - Alameda, CA | 39 mi | 56 min | WSW 2.9 G 5.1 | 64°F | 71°F | 1010.7 hPa | ||
| OMHC1 - 9414769 - Oakland Middle Harbor Met, CA | 39 mi | 50 min | SSW 5.1 G 5.1 | |||||
| OKXC1 - 9414776 - Oakland (Berth 34), CA | 39 mi | 50 min | SSW 4.1 G 5.1 | 65°F | 1010.2 hPa (+0.5) | |||
| PPXC1 - 9414847 - Richmond (Point Potrero), CA | 39 mi | 50 min | S 7 G 8.9 | 64°F | 1010.4 hPa | |||
| OBXC1 | 40 mi | 50 min | 64°F | 64°F | ||||
| RCMC1 - 9414863 - Richmond, CA | 41 mi | 56 min | SSE 7 G 8.9 | 64°F | 66°F | 1009.8 hPa | ||
| PXOC1 - 9414311 - San Francisco (Pier 1), CA | 43 mi | 50 min | NNE 2.9 G 4.1 | 65°F | 1009.2 hPa | |||
| PXSC1 | 43 mi | 50 min | 65°F | 65°F | ||||
| TIBC1 - Tiburon Pier, San Francisco Bay, CA | 44 mi | 69 min | SSE 8.9 | 65°F | 1010 hPa | |||
| RTYC1 - 9414523 - Redwood City, CA | 46 mi | 50 min | N 2.9 G 5.1 | 69°F | 75°F | 1010.6 hPa (+0.0) | ||
| FTPC1 - 9414290 - San Francisco, CA | 46 mi | 56 min | WSW 6 G 8.9 | 62°F | 64°F | 1010.5 hPa |
Wind History for Port Chicago, CA
(wind in knots) EDIT (on/off) Help| 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 | W | W | W | W | W | W G14 | W G15 | W | SW G17 | SW G14 | SW | SW G15 | SW G16 | SW G13 | SW G15 | SW G9 | SW G8 | S G10 | S G12 | S G13 | SW G9 | S G9 | SW | W |
| 1 day ago | 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 | SW G10 | SW G9 | SW G11 | SW G11 | SW | W |
| 2 days ago | 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 | SW G15 | SW | SW G12 | SW G12 | SW G17 | SW G15 |
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 | 22 mi | 57 min | SW 4 | 10.00 mi | Fair | 78°F | 64°F | 62% | 1007.9 hPa |
| Stockton, Stockton Metropolitan Airport, CA | 22 mi | 55 min | WNW 9 | 10.00 mi | Fair | 81°F | 64°F | 58% | 1008.5 hPa |
| Livermore, Livermore Municipal Airport, CA | 23 mi | 57 min | NW 4 | 10.00 mi | A Few Clouds | 74°F | 64°F | 74% | 1009.3 hPa |
| Fairfield / Travis Air Force Base, CA | 24 mi | 52 min | N 0 | 10.00 mi | Fair | 86°F | 65°F | 51% | 1009.4 hPa |
Link to 5 minute data for KSCK
Wind History from SCK (wind in knots)
| 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 | 10 AM | |
| Last 24hr | W | NW | N | NW | NW | NW | NW | NW | W | W | W | W | W | W | NW | NW | NW | W | W | W | NW | W | NW | W |
| 1 day ago | W | W | NW | W G15 | W G16 | NW | W | W | W | W | W | W | NW | Calm | Calm | Calm | Calm | Calm | Calm | N | N | N | NW | |
| 2 days ago | NW | W | W | W | W | W G19 | W | NW | NW | NE | W | NW | NW | NW | NW | N |
Tide / Current Tables for Irish Landing, Sand Mound Slough, San Joaquin River, California
EDIT Weekend mode (on/off) (on/off) Help One Week of DataIrish Landing
Click for Map
Thu -- 05:15 AM PDT 0.83 feet Low Tide
Thu -- 06:27 AM PDT Sunrise
Thu -- 11:03 AM PDT 2.44 feet High Tide
Thu -- 01:02 PM PDT Moonset
Thu -- 04:32 PM PDT 0.86 feet Low Tide
Thu -- 07:50 PM PDT Sunset
Thu -- 10:36 PM PDT 3.49 feet High Tide
Thu -- 11:50 PM PDT Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Thu -- 05:15 AM PDT 0.83 feet Low Tide
Thu -- 06:27 AM PDT Sunrise
Thu -- 11:03 AM PDT 2.44 feet High Tide
Thu -- 01:02 PM PDT Moonset
Thu -- 04:32 PM PDT 0.86 feet Low Tide
Thu -- 07:50 PM PDT Sunset
Thu -- 10:36 PM PDT 3.49 feet High Tide
Thu -- 11:50 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 |
| 2.9 | 2.4 | 1.8 | 1.3 | 1 | 0.8 | 0.9 | 1.2 | 1.6 | 2.1 | 2.3 | 2.4 | 2.4 | 2.1 | 1.6 | 1.2 | 0.9 | 0.9 | 1.2 | 1.7 | 2.4 | 3 | 3.4 | 3.5 |
Tide / Current Tables for West Island Lt .5 mi SE, San Joaquin River, California Current
EDIT (on/off) Help One Week of DataWest Island Lt .5 mi SE
Click for Map
Thu -- 01:24 AM PDT -0.68 knots Max Ebb
Thu -- 05:39 AM PDT 0.00 knots Slack
Thu -- 06:28 AM PDT Sunrise
Thu -- 08:12 AM PDT 0.26 knots Max Flood
Thu -- 11:06 AM PDT -0.00 knots Slack
Thu -- 01:02 PM PDT Moonset
Thu -- 01:57 PM PDT -0.48 knots Max Ebb
Thu -- 05:03 PM PDT 0.00 knots Slack
Thu -- 07:51 PM PDT Sunset
Thu -- 08:03 PM PDT 0.46 knots Max Flood
Thu -- 10:57 PM PDT -0.00 knots Slack
Thu -- 11:51 PM PDT Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Thu -- 01:24 AM PDT -0.68 knots Max Ebb
Thu -- 05:39 AM PDT 0.00 knots Slack
Thu -- 06:28 AM PDT Sunrise
Thu -- 08:12 AM PDT 0.26 knots Max Flood
Thu -- 11:06 AM PDT -0.00 knots Slack
Thu -- 01:02 PM PDT Moonset
Thu -- 01:57 PM PDT -0.48 knots Max Ebb
Thu -- 05:03 PM PDT 0.00 knots Slack
Thu -- 07:51 PM PDT Sunset
Thu -- 08:03 PM PDT 0.46 knots Max Flood
Thu -- 10:57 PM PDT -0.00 knots Slack
Thu -- 11:51 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 |
| -0.5 | -0.7 | -0.7 | -0.6 | -0.4 | -0.2 | 0.1 | 0.2 | 0.3 | 0.2 | 0.2 | 0 | -0.2 | -0.4 | -0.5 | -0.4 | -0.3 | -0 | 0.2 | 0.4 | 0.5 | 0.4 | 0.2 | -0 |
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 (13,3,4,5)
(on/off) Help
Ground Weather Radar Station Sacramento, 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. |