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Marine Weather and Tides
Version 3.4 |
10/9/2019 Updated the Marine Zones. 9/4/2019 Fixed the weather maps due to NOAA moving them. 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 7:16AM | Sunset 6:30PM | Wednesday October 16, 2019 2:56 PM PDT (21:56 UTC) | Moonrise 7:28PM | Moonset 8:52AM | Illumination 89% |  |
PZZ530 San Pablo Bay, Suisun Bay, The West Delta And The San Francisco Bay North Of The Bay Bridge- 202 Pm Pdt Wed Oct 16 2019
.small craft advisory in effect from Thursday afternoon through Thursday evening...
Rest of today..SW winds 5 to 15 kt.
Tonight..W winds 5 to 10 kt. A chance of rain.
Thu..W winds 10 to 20 kt...increasing to 15 to 25 kt in the late afternoon with gusts up to 30 kt.
Thu night..NW winds 10 to 20 kt with gusts up to 25 kt.
Fri..W winds 5 to 15 kt.
Fri night..W winds 5 to 15 kt.
Sat..W winds 10 to 20 kt with gusts up to 25 kt.
Sun..NW winds 10 to 20 kt with gusts up to 25 kt.
.small craft advisory in effect from Thursday afternoon through Thursday evening...
Rest of today..SW winds 5 to 15 kt.
Tonight..W winds 5 to 10 kt. A chance of rain.
Thu..W winds 10 to 20 kt...increasing to 15 to 25 kt in the late afternoon with gusts up to 30 kt.
Thu night..NW winds 10 to 20 kt with gusts up to 25 kt.
Fri..W winds 5 to 15 kt.
Fri night..W winds 5 to 15 kt.
Sat..W winds 10 to 20 kt with gusts up to 25 kt.
Sun..NW winds 10 to 20 kt with gusts up to 25 kt.
PZZ500 202 Pm Pdt Wed Oct 16 2019
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Light northwesterly winds will persist over the coastal waters this afternoon. Winds will then briefly turn southerly from north to south late this afternoon and tonight as a weak cold front moves through the waters bringing some light rain. Northwest winds will return and gradually increase behind the front tomorrow. Expect locally stronger winds along the big sur coast through much of the weekend. A large northwest swell will arrive tomorrow and build into Friday. These swells will create hazardous seas over the waters tomorrow and Friday.
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Light northwesterly winds will persist over the coastal waters this afternoon. Winds will then briefly turn southerly from north to south late this afternoon and tonight as a weak cold front moves through the waters bringing some light rain. Northwest winds will return and gradually increase behind the front tomorrow. Expect locally stronger winds along the big sur coast through much of the weekend. A large northwest swell will arrive tomorrow and build into Friday. These swells will create hazardous seas over the waters tomorrow and Friday.
7 Day Forecast for Marine Location Near Suisun City, CA
Hourly EDIT Helplocation: 38.21, -122.04 debug
Area Discussion for - Sacramento, CA
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus66 ksto 160940 afdsto area forecast discussion national weather service sacramento ca 240 am pdt Wed oct 16 2019 Synopsis Dry and mild weather will continue today before a fast moving weather system brings a chance of showers tonight into Thursday morning. Another weather system will bring a chance of showers on Friday night and Saturday. Temperatures will be a little below average late this week, but will warm again early next week. Discussion Clear skies cover the region early this morning. Current temperatures range from the upper 20s in the mountain valleys to the upper 40s and 50s across the central valley. Satellite imagery shows the initial front approaching the northwest corner of california early this morning while a large area of high clouds lies to our southwest ahead of the closed low presently near 28n 132w. This area of high clouds will spread across norcal today ahead of the approaching deeper northern stream trough. Precipitation will hold off until tonight as the upper trough nears and pushes a stronger cold front inland. It will be a quick moving system which will limit overall qpf. Amounts will vary from |
less than a tenth of an inch in the valley to around a quarter to a third of an inch over the mountains. The system will move quickly east on Thursday with only a few showers lingering near the northern sierra crest into the afternoon. Weak ridging and northwest flow aloft behind the trough will result in dry weather and a little milder temperatures Friday, but another fast-moving system is forecast to clip norcal bringing some showers Friday night into Saturday. Extended discussion (Sunday through Wednesday) Dry conditions return Sunday as the late week upper trough pushes east of the forecast area. Warming returns to the region early next week as ridging from the epac builds into norcal. Daytime highs are expected to be 5 to 10 degrees above seasonal normals, with widespread low to mid 80s in the valley. Periods of locally breezy northerly to easterly winds could be possible late Sunday into Monday, and again on Wednesday. However, wind speeds don't look as strong as last week's event. Aviation Vfr conditions the next 24 hours at TAF sites. Generally light and variable winds under 10 knots. Weak system will bring light precipitation after 00z Thursday. 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| 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 | 11 AM | 12 PM | 1 PM | 2 PM | |
| Last 24hr | W | N | NW | W | W | SW | SW G12 | SW | SW | SW | SW | SW G9 | SW | SW | W G16 | SW | SW G7 | W | SW G12 | W | W G12 | W | W | W |
| 1 day ago | W | W | W | W | W G14 | W G17 | W G11 | SW | W | W G15 | W | SW | SW | W | W | SW G12 | W G14 | W | W | W | W | W | W | W |
| 2 days ago | NE | W | W G7 | W | W G11 | SW | SW | SW | SW G10 | W | SW G9 | SW | SW G8 | SW | W | SW | S G9 | SW G8 | SW | W | W | W | W | 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 |
| Fairfield / Travis Air Force Base, CA | 8 mi | 2 hrs | SSW 4 | 10.00 mi | A Few Clouds | 72°F | 43°F | 36% | 1014.9 hPa |
| Vacaville Nut Tree Airport, CA | 12 mi | 64 min | SSE 5 | 10.00 mi | Fair | 74°F | 43°F | 33% | 1013.4 hPa |
| Napa, Napa County Airport, CA | 13 mi | 63 min | SW 5 | 10.00 mi | Fair | 64°F | 50°F | 60% | 1013.1 hPa |
| Concord, Buchanan Field, CA | 16 mi | 64 min | NNW 10 G 23 | 10.00 mi | Fair | 71°F | 46°F | 41% | 1012.2 hPa |
Link to 5 minute data for KSUU
Wind History from SUU (wind in knots)
| 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 | 11 AM | 12 PM | 1 PM | 2 PM | |
| Last 24hr | N | Calm | Calm | W | W | W | SW | S | S | S | SW | SW | SW | SW | SW | SW | W | SW | SW | SW | SW | SW | S | SW |
| 1 day ago | SW | SW | SW | SW | SW | SW | SW | SW | S | SW | SW | SW | SW | SW | SW | SW | Calm | Calm | SW | Calm | Calm | Calm | Calm | Calm |
| 2 days ago | SW | SW | SW | W | SW | W | W | W | W | W | Calm | W | W | SW | SW | W | SW |
Tide / Current Tables for Joice Island, Suisun Slough, Suisun Bay, California
EDIT Weekend mode (on/off) (on/off) Help One Week of DataJoice Island
Click for Map
Wed -- 05:00 AM PDT 4.02 feet High Tide
Wed -- 07:17 AM PDT Sunrise
Wed -- 09:52 AM PDT Moonset
Wed -- 10:37 AM PDT 1.32 feet Low Tide
Wed -- 04:01 PM PDT 5.32 feet High Tide
Wed -- 06:29 PM PDT Sunset
Wed -- 08:27 PM PDT Moonrise
Wed -- 11:49 PM PDT 0.19 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Wed -- 05:00 AM PDT 4.02 feet High Tide
Wed -- 07:17 AM PDT Sunrise
Wed -- 09:52 AM PDT Moonset
Wed -- 10:37 AM PDT 1.32 feet Low Tide
Wed -- 04:01 PM PDT 5.32 feet High Tide
Wed -- 06:29 PM PDT Sunset
Wed -- 08:27 PM PDT Moonrise
Wed -- 11:49 PM PDT 0.19 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 |
| 0.4 | 1.1 | 2.2 | 3.2 | 3.8 | 4 | 3.8 | 3.3 | 2.5 | 1.8 | 1.4 | 1.4 | 1.8 | 2.8 | 4 | 5 | 5.3 | 5.1 | 4.4 | 3.5 | 2.4 | 1.4 | 0.7 | 0.3 |
Tide / Current Tables for Montezuma Slough 1 mi in W Entrance, Suisun Bay, California Current
EDIT (on/off) Help One Week of DataMontezuma Slough 1 mi in W Entrance
Click for Map
Wed -- 01:59 AM PDT 0.69 knots Max Flood
Wed -- 05:18 AM PDT -0.00 knots Slack
Wed -- 06:53 AM PDT -0.45 knots Max Ebb
Wed -- 07:17 AM PDT Sunrise
Wed -- 09:52 AM PDT Moonset
Wed -- 10:52 AM PDT 0.00 knots Slack
Wed -- 01:29 PM PDT 0.96 knots Max Flood
Wed -- 04:23 PM PDT -0.00 knots Slack
Wed -- 06:29 PM PDT Sunset
Wed -- 06:49 PM PDT -0.89 knots Max Ebb
Wed -- 08:27 PM PDT Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Wed -- 01:59 AM PDT 0.69 knots Max Flood
Wed -- 05:18 AM PDT -0.00 knots Slack
Wed -- 06:53 AM PDT -0.45 knots Max Ebb
Wed -- 07:17 AM PDT Sunrise
Wed -- 09:52 AM PDT Moonset
Wed -- 10:52 AM PDT 0.00 knots Slack
Wed -- 01:29 PM PDT 0.96 knots Max Flood
Wed -- 04:23 PM PDT -0.00 knots Slack
Wed -- 06:29 PM PDT Sunset
Wed -- 06:49 PM PDT -0.89 knots Max Ebb
Wed -- 08:27 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 |
| 0.2 | 0.6 | 0.7 | 0.6 | 0.4 | 0.1 | -0.3 | -0.5 | -0.4 | -0.3 | -0.2 | 0.1 | 0.6 | 0.9 | 0.9 | 0.6 | 0.2 | -0.3 | -0.8 | -0.9 | -0.8 | -0.7 | -0.5 | -0.3 |
Weather Map
(on/off) Help Weather Map
GEOS 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 (17,4,5,8)
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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. |