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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 7:09AM | Sunset 4:50PM | Friday December 6, 2019 3:31 AM PST (11:31 UTC) | Moonrise 2:04PM | Moonset 1:36AM | Illumination 71% |  |
PZZ530 San Pablo Bay, Suisun Bay, The West Delta And The San Francisco Bay North Of The Bay Bridge- 250 Am Pst Fri Dec 6 2019
.small craft advisory in effect from 7 am pst this morning through this afternoon...
.gale warning in effect from this afternoon through late tonight...
Today..SE winds 10 to 20 kt with gusts up to 30 kt. A chance of rain this afternoon.
Tonight..S winds 15 to 25 kt with gusts up to 40 kt. Rain.
Sat..S winds 15 to 25 kt with gusts up to 40 kt. Rain and a slight chance of Thunderstorms.
Sat night..SW winds 10 to 20 kt with gusts up to 30 kt. Rain.
Sun..SW winds 5 to 15 kt. A chance of rain.
Sun night..NW winds 5 to 15 kt.
Mon..NW winds around 5 kt.
Tue..NE winds up to 10 kt. Winds and wind waves higher in and near Thunderstorms.
.small craft advisory in effect from 7 am pst this morning through this afternoon...
.gale warning in effect from this afternoon through late tonight...
Today..SE winds 10 to 20 kt with gusts up to 30 kt. A chance of rain this afternoon.
Tonight..S winds 15 to 25 kt with gusts up to 40 kt. Rain.
Sat..S winds 15 to 25 kt with gusts up to 40 kt. Rain and a slight chance of Thunderstorms.
Sat night..SW winds 10 to 20 kt with gusts up to 30 kt. Rain.
Sun..SW winds 5 to 15 kt. A chance of rain.
Sun night..NW winds 5 to 15 kt.
Mon..NW winds around 5 kt.
Tue..NE winds up to 10 kt. Winds and wind waves higher in and near Thunderstorms.
PZZ500 250 Am Pst Fri Dec 6 2019
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... A 985 mb low centered 600 miles west of cape blanco will move east towards the northern california coast by Saturday night. This will bring another round of gusty southerly winds to the coastal waters with gale force winds developing today and persisting through tonight. These winds will generate large wind waves and hazardous seas. Moderate west swell will gradually build to around 10 to 12 feet tonight and continue through Saturday night. Showers and isolated Thunderstorms will be possible this evening through Saturday.
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... A 985 mb low centered 600 miles west of cape blanco will move east towards the northern california coast by Saturday night. This will bring another round of gusty southerly winds to the coastal waters with gale force winds developing today and persisting through tonight. These winds will generate large wind waves and hazardous seas. Moderate west swell will gradually build to around 10 to 12 feet tonight and continue through Saturday night. Showers and isolated Thunderstorms will be possible this evening through Saturday.
7 Day Forecast for Marine Location Near Pinole, CA
Hourly EDIT Helplocation: 38.04, -122.34 debug
Area Discussion for - San Francisco/Monterey Bay Area, CA
(on/off) Help NOTE: mouseover dotted underlined text for definitionFXUS66 KMTR 061055 AFDMTR
Area Forecast Discussion National Weather Service San Francisco Bay Area 255 AM PST Fri Dec 6 2019
SYNOPSIS. Southerly winds will continue to increase today ahead of an incoming cold front. Rain will develop across the North Bay this afternoon and then spread southward tonight. Showery and cool on Saturday with isolated thunderstorms possible. Lingering showers on Sunday but trending drier by afternoon. Dry weather returns Monday and Tuesday with a slight chance of rain by midweek.
DISCUSSION. as of 2:55 AM PST Friday . Well defined surface cold front and upper low show up clearly on satellite early this morning. The cold core low is slightly out of phase with the surface cold front and the main rains will be slightly delayed. The morning impacts will include some pockets of dense fog, especially interior valleys with places like Concord currently reporting 1/2 mile fog. The southerly winds will increase through the day as the front approaches. We are already seeing sustained 17 mph southeast winds at Salinas as winds drain out of the Salinas Valley and up towards the center of the low circulation. Southeast winds are picking up at the coastal buoys as well, a sure sign of a classic winter time cold frontal passage.
Good news is the morning commute should remain dry. Frontal rains will reach the Sonoma coast by early afternoon bringing steady rains to the region. Rain will become more widespread along the coast but the heavier rains now look to hold off until the evening hours for the bulk of the Bay Area and Central Coast. Despite decent cold advection the surface front will lose some of its identity as it passes from north to south. Scenario is now looking like a more run of the mill Bay Area cold frontal passage where the North Bay, Santa Cruz mtns and Santa Lucia hills along the Big Sur coast will see impressive rainfall totals but many of the interior valleys will remain much drier. Updated qpf forecasts wont show much change but the overall trend looks slightly drier. Will say the 00z nam came in very wet but since then the 00/06z gfs and 00z ecmwf were drier and now more in line with the 06z nam model. Latest graphics will still show some 3-4 inch maxes for the North Bay hills with 1.5-3 inches for the Santa Cruz/Santa Lucia mtns. Rain shadowed Santa Clara/Salinas Valleys 0.25-0.50 on average with 0.50-1.00 inch elsewhere when all is said and done.
The Flash Flood watch for the Kincade burn area still looks valid with all models showing a bullseye of qpf in that area and the front strongest as it moves through northern Sonoma county this evening. Will need to monitor any convective lines and short term rain rates that could lead to problems over the burn area. The 00z nam was coming up with big qpf numbers as it tried to focus a secondary boundary over the Sonoma hills but that feature isn't showing up on the 06z runs.
Saturday looks cool and showery with isolated thunderstorms certainly possible. Fairly steep lapse rates and cooling aloft will likely mean small hail would be the biggest threat with any storms on Saturday.
Shower activity lingers into Sunday as the main upper low finally rotates over the region but Sunday looks drier and less active than Saturday for any outdoor plans.
Dry weather returns Monday and Tuesday with seasonable temperatures as high pressure rebuilds. A weak front may try and knock into the ridge by Weds with a slight chance of rain but not expecting anything of significance at this time.
Getting some mixed signals in the extended. Not seeing much chance of strong storms next week but by mid December the PNA may trend negative with the MJO trying to stay organized out in phase 3/4 which correlates with wetter than normal for December.
AVIATION. as of 10:05 PM PST Thursday . Models indicate abundant low level moisture over the area through the evening so the latest forecasts call for MVFR cigs impacting SFO and the approach. S-SE winds begin to pick up above the surface tonight causing possible LLWS. Winds at the surface increase Friday morning under warm air advection ahead of the next frontal system. Light rain should reach the Bay Area by 20Z. Moderate rain expected to be confined to the North Bay Friday evening.
Vicinity of KSFO . Cigs will be in and out of MVFR range through the night. Bases predominately 3000-4000 ft. LLWS possible overnight tonight through Friday when winds at 2000 ft increase more than the surface winds. Surface winds increase after 15Z with gusts to 15 kt. These winds will only increase as the day goes on Friday. Gusts to 30-35 kt after 20Z.
SFO Bridge Approach . Similar to KSFO.
Monterey Bay Terminals . Cigs remaining in the VFR range. South winds increasing in the Salinas Valley with gusts to 20 kt after 14Z. Light rain holding off until Friday night.
MARINE. as of 02:16 AM PST Friday . A 981 mb low centered 800 miles west of Cape Blanco will wobble east towards the northern California coast by Saturday night. This will bring another round of gusty southerly winds to the coastal waters with gale force winds expected by early Friday and persisting through Friday night. Moderate northwest swell will gradually build to around 10 to 15 feet Friday over the northern waters then spread south across the coastal waters over the weekend.
MTR WATCHES/WARNINGS/ADVISORIES. Tday. Wind Advisory . CAZ006-505>513-516>518-528>530 Flash Flood Watch . CAZ506-507 SCA . Pt Reyes to Pigeon Pt 0-10 nm until 3 PM SCA . Pigeon Pt to Pt Pinos 0-10 nm until 3 PM SCA . Pt Pinos to Pt Piedras Blancas 0-10 nm until 3 PM SCA . Pigeon Pt to Pt Piedras Blancas 10-60 nm until 3 PM GLW . SF Bay from 3 PM GLW . Pt Reyes to Pigeon Pt 0-10 nm from 3 PM GLW . Pigeon Pt to Pt Pinos 0-10 nm from 3 PM GLW . Pt Pinos to Pt Piedras Blancas 0-10 nm from 3 PM GLW . Pigeon Pt to Pt Piedras Blancas 10-60 nm from 3 PM SCA . Pt Arena to Pt Reyes 0-10 nm until 3 AM SCA . Pt Arena to Pigeon Pt 10-60 nm until 3 AM GLW . Pt Arena to Pt Reyes 0-10 nm GLW . Pt Arena to Pigeon Pt 10-60 nm SCA . Mry Bay from 3 PM SCA . SF Bay from 7 AM until 3 PM
PUBLIC FORECAST: RWW AVIATION: ST MARINE: ST
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Weather Reporting Stations
EDIT (on/off) Help NOTE: Click on distance to see the station location on a mapWind History for Richmond, 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 | W | NE | N | NE | NE | SW | S | SW | W | W | -- | NW | NW | N | W | N | E | W | SE | NW | E | W | W | NW |
| 1 day ago | NE | NE | N | N | NE | NE G11 | NE G13 | NE G10 | NE G12 | NE G11 | NE | NE G6 | NW | E | -- | NE | NE | NE | NE | NE | E | SE | NW | E |
| 2 days ago | NW | NW | NW | NW | NW | NW | E G10 | E G15 | W | E G11 | NE G11 | NE | NE G6 | NW | NW G7 | N G14 | NE | N | NE | N | NW | NE G7 | N |
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 |
| Napa, Napa County Airport, CA | 12 mi | 38 min | ESE 6 | 8.00 mi | A Few Clouds | 54°F | 51°F | 90% | 1016.2 hPa |
| Novato / Gnoss Field, CA | 14 mi | 37 min | N 0 | 5.00 mi | Fog/Mist | 55°F | 55°F | 100% | 1017.3 hPa |
| Concord, Buchanan Field, CA | 16 mi | 39 min | N 0 | 0.25 mi | Fog | 51°F | 48°F | 92% | 1016.1 hPa |
| Petaluma Municipal Airport, CA | 21 mi | 57 min | S 4 | 7.00 mi | Overcast | 55°F | 55°F | 100% | 1017.6 hPa |
| Oakland, Metro Oakland International Airport, CA | 24 mi | 39 min | E 3 | 10.00 mi | Partly Cloudy | 56°F | 50°F | 81% | 1017.1 hPa |
Link to 5 minute data for KAPC
Wind History from APC (wind in knots)
| 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 | E | E | E | E | SE | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E |
| 1 day ago | E | NE | NE G18 | NE | NE | NE | NE | NE | NE | E | E | E | E | E | NE | E | Calm | Calm | NE | E | E | E | E | |
| 2 days ago | Calm | Calm | SE | SE | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | NW |
Tide / Current Tables for Pinole Point, San Pablo Bay, California
EDIT Weekend mode (on/off) (on/off) Help One Week of DataPinole Point
Click for Map
Fri -- 01:36 AM PST Moonset
Fri -- 02:00 AM PST 1.21 feet Low Tide
Fri -- 07:11 AM PST Sunrise
Fri -- 08:46 AM PST 5.61 feet High Tide
Fri -- 02:03 PM PST Moonrise
Fri -- 03:26 PM PST 1.43 feet Low Tide
Fri -- 04:49 PM PST Sunset
Fri -- 09:05 PM PST 4.16 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Fri -- 01:36 AM PST Moonset
Fri -- 02:00 AM PST 1.21 feet Low Tide
Fri -- 07:11 AM PST Sunrise
Fri -- 08:46 AM PST 5.61 feet High Tide
Fri -- 02:03 PM PST Moonrise
Fri -- 03:26 PM PST 1.43 feet Low Tide
Fri -- 04:49 PM PST Sunset
Fri -- 09:05 PM PST 4.16 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 |
| 2 | 1.4 | 1.2 | 1.4 | 2.1 | 3 | 4 | 4.9 | 5.5 | 5.6 | 5.3 | 4.5 | 3.6 | 2.6 | 1.9 | 1.5 | 1.5 | 1.9 | 2.6 | 3.3 | 3.9 | 4.2 | 4 | 3.5 |
Tide / Current Tables for Pinole Point 1.2 mi W, San Pablo Bay, California Current
EDIT (on/off) Help One Week of DataPinole Point 1.2 mi W
Click for Map
Fri -- 01:36 AM PST Moonset
Fri -- 02:44 AM PST 0.00 knots Slack
Fri -- 05:41 AM PST 0.92 knots Max Flood
Fri -- 07:11 AM PST Sunrise
Fri -- 09:38 AM PST -0.00 knots Slack
Fri -- 12:52 PM PST -0.94 knots Max Ebb
Fri -- 02:03 PM PST Moonrise
Fri -- 04:01 PM PST 0.00 knots Slack
Fri -- 04:49 PM PST Sunset
Fri -- 06:25 PM PST 0.58 knots Max Flood
Fri -- 09:37 PM PST -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Fri -- 01:36 AM PST Moonset
Fri -- 02:44 AM PST 0.00 knots Slack
Fri -- 05:41 AM PST 0.92 knots Max Flood
Fri -- 07:11 AM PST Sunrise
Fri -- 09:38 AM PST -0.00 knots Slack
Fri -- 12:52 PM PST -0.94 knots Max Ebb
Fri -- 02:03 PM PST Moonrise
Fri -- 04:01 PM PST 0.00 knots Slack
Fri -- 04:49 PM PST Sunset
Fri -- 06:25 PM PST 0.58 knots Max Flood
Fri -- 09:37 PM PST -0.00 knots Slack
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 |
| -0.8 | -0.7 | -0.3 | 0.2 | 0.6 | 0.9 | 0.9 | 0.8 | 0.6 | 0.2 | -0.2 | -0.6 | -0.9 | -0.9 | -0.8 | -0.4 | -0 | 0.4 | 0.6 | 0.6 | 0.4 | 0.2 | -0.2 | -0.6 |
Weather Map
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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 San Francisco/Monterey Bay Area, CA (6,6,7,8)
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Ground Weather Radar Station Sacramento, CA
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