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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 6:24AM | Sunset 8:01PM | Saturday August 17, 2019 4:24 PM PDT (23:24 UTC) | Moonrise 8:31PM | Moonset 7:17AM | Illumination 94% |  |
PZZ530 San Pablo Bay, Suisun Bay, The West Delta And The San Francisco Bay North Of The Bay Bridge- 252 Pm Pdt Sat Aug 17 2019
.small craft advisory in effect until 9 pm pdt this evening...
Tonight..SW winds 15 to 20 kt with gusts up to 30 kt.
Sun..SW winds 10 to 20 kt with gusts up to 25 kt.
Sun night..SW winds 10 to 15 kt.
Mon..SW winds 10 to 15 kt.
Mon night..SW winds 10 to 15 kt.
Tue..SW winds 10 to 15 kt.
Tue night..SW winds 10 to 15 kt.
Wed..W winds 15 to 20 kt with gusts up to 25 kt.
Thu..SW winds 15 to 20 kt with gusts up to 25 kt.
.small craft advisory in effect until 9 pm pdt this evening...
Tonight..SW winds 15 to 20 kt with gusts up to 30 kt.
Sun..SW winds 10 to 20 kt with gusts up to 25 kt.
Sun night..SW winds 10 to 15 kt.
Mon..SW winds 10 to 15 kt.
Mon night..SW winds 10 to 15 kt.
Tue..SW winds 10 to 15 kt.
Tue night..SW winds 10 to 15 kt.
Wed..W winds 15 to 20 kt with gusts up to 25 kt.
Thu..SW winds 15 to 20 kt with gusts up to 25 kt.
PZZ500 252 Pm Pdt Sat Aug 17 2019
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Moderate to gusty northwesterly winds will persist over the northern and outer waters into Sunday as high pressure dominates the eastern pacific. The high pressure will begin to weaken on Sunday and into early next week ahead of a developing low pressure center off of british columbia. The persistent fetch produced by these systems will generate fresh short period swell that will propagate into the california coastal waters. This short period swell in combination with gusty winds will generate hazardous seas conditions, particularly for smaller vessels.
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Moderate to gusty northwesterly winds will persist over the northern and outer waters into Sunday as high pressure dominates the eastern pacific. The high pressure will begin to weaken on Sunday and into early next week ahead of a developing low pressure center off of british columbia. The persistent fetch produced by these systems will generate fresh short period swell that will propagate into the california coastal waters. This short period swell in combination with gusty winds will generate hazardous seas conditions, particularly for smaller vessels.
7 Day Forecast for Marine Location Near Benicia, CA
Hourly EDIT Helplocation: 38.04, -122.13 debug
Area Discussion for - Sacramento, CA
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus66 ksto 172231 afdsto area forecast discussion national weather service sacramento ca 331 pm pdt Sat aug 17 2019 Synopsis Near or below average temperatures expected through Monday. Gradual warming trend through next week. Dry weather continues. Discussion Afternoon temperatures are running 10 to 20 degrees cooler than 24 hours ago across interior norcal, with valley temperatures in the mid 80s to 90s. The deepening marine layer (about 2500 feet as of this afternoon), and enhanced onshore flow through the delta has provided relief from the earlier week hot temperatures. Forecast soundings and ensemble probabilities indicate marine stratus likely advecting into the delta region the next couple of nights mornings. Otherwise, mostly clear skies will prevail. This cooling trend will continue tomorrow, especially in the delta influenced areas as weak upper level trough lingers across the region. Sunday highs will be 3 to 8 degrees cooler than today, with valley locations in the mid 80s to mid 90s, and low 60s to low 80s over the mountains. Similar readings are expected |
on Monday, with daytime temperatures near or slightly below normal for this time of year. Looking beyond Monday, ensembles indicate increasing heights across the region as high pressure gradually rebuilds. Therefore, onshore flow is forecast to weaken allowing for some warming in the delta influenced areas. Temperatures will trend slightly above average on Tuesday. Most valley locations should see temperatures generally in the low to mid 90s, while highs in the upper 90s are expected over the northern sacramento valley. Extended discussion (Wednesday through Saturday) Ensemble guidance is in good agreement high pressure will remain in place through the extended forecast period. Warmest day is forecast to be Thursday with high temperatures right around the century mark across interior ca. A very slight cooling trend is then expected going into next weekend. Aviation Vfr conditions next 24 hours. Breezy evening, gusts 15-25 kts across interior california 22z - 06z Sunday. Gusty winds up to 35 kts in delta vicinity. Href and NAM guidance indicate the possibility of clouds tomorrow morning in the delta region. && 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 Martinez-Amorco Pier, CA
(wind in knots) EDIT (on/off) Help| 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 | 11 AM | 12 PM | 1 PM | 2 PM | 3 PM | |
| Last 24hr | W | SW G17 | W G16 | W | SW | SW G16 | W G15 | NW | W | W G18 | W G17 | W | W G13 | W G16 | W G15 | W G14 | W G12 | W G16 | W G16 | W G15 | W G15 | W | W G17 | W |
| 1 day ago | NW | W | W | NW G16 | NW G10 | W G5 | SW | SW | NW | W G11 | W G15 | NW G17 | NW G16 | NW | W | NW | NW | NW G12 | NW | NW G15 | NW | NW G16 | NW G16 | W |
| 2 days ago | NW | NW | NW | W | W | SW G6 | W | S | SW | W | W | W | W | W G13 | W | W G10 | W | W | W | W | W | W | NW | NW |
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 | 6 mi | 2.5 hrs | W 12 | 10.00 mi | Fair | 82°F | 55°F | 40% | 1007.6 hPa |
| Napa, Napa County Airport, CA | 14 mi | 2.5 hrs | SSW 18 | 7.00 mi | Fair and Breezy | 71°F | 57°F | 63% | 1008.9 hPa |
| Fairfield / Travis Air Force Base, CA | 20 mi | 2.4 hrs | WSW 20 G 25 | 10.00 mi | Fair and Breezy | 81°F | 55°F | 42% | 1008.7 hPa |
| Oakland, Metro Oakland International Airport, CA | 24 mi | 2.5 hrs | SW 11 | 10.00 mi | A Few Clouds | 75°F | 57°F | 54% | 1010.5 hPa |
| Novato / Gnoss Field, CA | 24 mi | 1.8 hrs | SSE 10 | 10.00 mi | Fair | 81°F | 55°F | 42% | 1008.8 hPa |
Link to 5 minute data for KCCR
Wind History from CCR (wind in knots)
| 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 | 11 AM | 12 PM | 1 PM | 2 PM | 3 PM | 4 PM | |
| Last 24hr | W | W | SW | W | SW | SW | SW | SW | W | SW | W | W | W | W | W | W | SW | SW | SW | SW | SW G18 | W | W | W |
| 1 day ago | W | W | W | NW | SE | S | S | Calm | N | NW | NW | Calm | E | Calm | Calm | Calm | Calm | NW | NW | NW | NW | NW | W | |
| 2 days ago | NW | NW | W | W | Calm | W | S | S | S | Calm | N | N | N | N | Calm | Calm | Calm | Calm | Calm | NW | N | N | NW | N |
Tide / Current Tables for Suisun Point, Carquinez Strait, California
EDIT Weekend mode (on/off) (on/off) Help One Week of DataSuisun Point
Click for Map
Sat -- 02:52 AM PDT 5.22 feet High Tide
Sat -- 06:25 AM PDT Sunrise
Sat -- 08:17 AM PDT Moonset
Sat -- 09:59 AM PDT 0.20 feet Low Tide
Sat -- 04:31 PM PDT 4.75 feet High Tide
Sat -- 07:59 PM PDT Sunset
Sat -- 09:30 PM PDT Moonrise
Sat -- 10:04 PM PDT 1.89 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Sat -- 02:52 AM PDT 5.22 feet High Tide
Sat -- 06:25 AM PDT Sunrise
Sat -- 08:17 AM PDT Moonset
Sat -- 09:59 AM PDT 0.20 feet Low Tide
Sat -- 04:31 PM PDT 4.75 feet High Tide
Sat -- 07:59 PM PDT Sunset
Sat -- 09:30 PM PDT Moonrise
Sat -- 10:04 PM PDT 1.89 feet Low 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 |
| 3.6 | 4.5 | 5.1 | 5.2 | 4.9 | 4.2 | 3.1 | 2 | 1.1 | 0.4 | 0.2 | 0.5 | 1.3 | 2.4 | 3.4 | 4.2 | 4.7 | 4.7 | 4.2 | 3.4 | 2.7 | 2.1 | 1.9 | 2.1 |
Tide / Current Tables for Roe Island S, Suisun Bay, California Current
EDIT (on/off) Help One Week of DataRoe Island S
Click for Map
Sat -- 02:13 AM PDT 0.76 knots Max Flood
Sat -- 05:06 AM PDT -0.00 knots Slack
Sat -- 06:24 AM PDT Sunrise
Sat -- 08:17 AM PDT Moonset
Sat -- 08:36 AM PDT -2.22 knots Max Ebb
Sat -- 12:37 PM PDT 0.00 knots Slack
Sat -- 03:21 PM PDT 0.83 knots Max Flood
Sat -- 06:40 PM PDT -0.00 knots Slack
Sat -- 07:58 PM PDT Sunset
Sat -- 09:26 PM PDT -1.28 knots Max Ebb
Sat -- 09:30 PM PDT Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Sat -- 02:13 AM PDT 0.76 knots Max Flood
Sat -- 05:06 AM PDT -0.00 knots Slack
Sat -- 06:24 AM PDT Sunrise
Sat -- 08:17 AM PDT Moonset
Sat -- 08:36 AM PDT -2.22 knots Max Ebb
Sat -- 12:37 PM PDT 0.00 knots Slack
Sat -- 03:21 PM PDT 0.83 knots Max Flood
Sat -- 06:40 PM PDT -0.00 knots Slack
Sat -- 07:58 PM PDT Sunset
Sat -- 09:26 PM PDT -1.28 knots Max Ebb
Sat -- 09:30 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 |
| 0.1 | 0.5 | 0.8 | 0.7 | 0.4 | 0 | -0.9 | -1.7 | -2.2 | -2.2 | -2 | -1.4 | -0.6 | 0.2 | 0.6 | 0.8 | 0.8 | 0.6 | 0.3 | -0.3 | -0.9 | -1.2 | -1.2 | -1 |
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 (19,4,5,8)
(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. |