Marine Weather and Tide Forecast for Sausalito, CA
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December 6, 2023 12:27 PM PST (20:27 UTC)
Sunrise 7:09AM Sunset 4:52PM Moonrise 12:49AM Moonset 1:22PM
PZZ530 San Pablo Bay, Suisun Bay, The West Delta And The San Francisco Bay North Of The Bay Bridge- 821 Am Pst Wed Dec 6 2023
.small craft advisory in effect through this evening...
Today..SW winds 15 to 20 knots. Gusts up to 35 knots this afternoon. Patchy dense fog this morning. Rain.
Tonight..W winds 15 to 20 knots with gusts up to 25 knots. Rain likely.
Thu..W winds 10 to 15 knots. Rain.
Thu night..NW winds 10 to 15 knots. A chance of rain.
Fri..N winds 10 to 15 knots.
Fri night..NW winds around 5 knots.
Sat..N winds around 5 knots.
Sun..N winds around 5 knots.
.small craft advisory in effect through this evening...
Today..SW winds 15 to 20 knots. Gusts up to 35 knots this afternoon. Patchy dense fog this morning. Rain.
Tonight..W winds 15 to 20 knots with gusts up to 25 knots. Rain likely.
Thu..W winds 10 to 15 knots. Rain.
Thu night..NW winds 10 to 15 knots. A chance of rain.
Fri..N winds 10 to 15 knots.
Fri night..NW winds around 5 knots.
Sat..N winds around 5 knots.
Sun..N winds around 5 knots.
PZZ500 821 Am Pst Wed Dec 6 2023
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries...
moderate to fresh northwesterly winds will develop across the northern outer waters and will spread into the central and southern waters through the day today with winds briefly shifting from nw to s/sw ahead of an incoming cold front. Elevated seas between 12-17 feet will persist through late week as a series of long period northwest swells propagate through the waters, resulting in hazardous conditions for small craft operators. Showers will move over the waters and with chances of continued showers through the end of the work week.
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries...
moderate to fresh northwesterly winds will develop across the northern outer waters and will spread into the central and southern waters through the day today with winds briefly shifting from nw to s/sw ahead of an incoming cold front. Elevated seas between 12-17 feet will persist through late week as a series of long period northwest swells propagate through the waters, resulting in hazardous conditions for small craft operators. Showers will move over the waters and with chances of continued showers through the end of the work week.
Area Discussion for - San Francisco/Monterey Bay Area, CA
(on/off) HelpNOTE: mouseover dotted underlined text for definition
FXUS66 KMTR 061737 AFDMTR
Area Forecast Discussion National Weather Service San Francisco CA 937 AM PST Wed Dec 6 2023
New AVIATION
SYNOPSIS
Issued at 354 AM PST Wed Dec 6 2023
Patchy dense fog across the region mainly confined to the immediate coastline and the N Bay Valleys. Rain will return to the Bay Area this morning, bringing 0.25" to 0.75" across the region (higher amounts across the N Bay). Rain chances linger through Thursday. Colder lows expected Friday and Saturday mornings with freezing temps possible. Warming trend expected early next week.
UPDATE
Issued at 847 AM PST Wed Dec 6 2023
The pre-frontal environment has caused enough mixing for the denser fog to dissipate. As visibilities look to continue to improve, we have cancelled the Dense Fog Advisory. The main focus the shift will be the front itself, and making adjustments to the forecast to account for the slowing of the system and possible narrowing of the front.
SHORT TERM
(Today and tonight)
Issued at 354 AM PST Wed Dec 6 2023
Currently patchy dense fog is being reported across the N Bay interior valleys and near the Monterey Bay San Mateo coastline.
As mentioned in the evening update, meteorological conditions are less favorable for widespread radiation fog formation (as was seen the previous morning) with high clouds lingering over the N Bay ahead our next rain-making system. However, night fog satellite imagery shows low clouds/fog moving north parallel across the coast. Hi-res model that patchy dense fog may still spread across the bay shoreline especially after 5-6 am. Will continue to monitor closely through the morning and track the fog that's moving parallel to the coastline. If fog stays limited to the N Bay and coastline post-sunrise, this may prompt a cancellation of the Dense Fog Advisory for the bay shoreline and SF Peninsula.
Will also have to closely monitor fog development near the Monterey Bay.
Zooming out, midlevel water vapor satellite imagery shows the broad upper trough currently located over the E Pacific, bringing lots of moisture to the Pacific NW and NorCal. This storm system will continue to move south through the morning today. We're still expecting a beneficial rain to move through the Bay Area with the brunt of the rain moving through beginning this morning lasting through the afternoon. However, moisture (IVT and PWATs) start to fizzle out by the time it reaches the Bay Area, so we won't be expecting flooding concerns. As front passes today, breezy winds with gusts up to 20-30 mph possible this afternoon. Scattered, post- frontal showers linger this evening and tonight. Forecasted amounts have not changed much since previous forecasts with generally 0.25" to 0.65" across the interior North Bay with higher amounts of 0.75" to up to an inch across the coastal hills of the N Bay. The rest of the Bay Area further south is still expected to see less today with rain shadowed valleys seeing less than 0.10" to 0.25"-0.35".
LONG TERM
(Thursday through Tuesday)
Issued at 354 AM PST Wed Dec 6 2023
As the upper level trough exits the region, a weak disturbance will bring an additional push of rain that will move through early Thursday, bringing an additional few hundredths to up to a tenth of an inch to the Bay Area. Rain chances diminish by Thursday afternoon.
In wake of this system, a colder airmass is on track to move in across the West Coast, bringing colder overnight lows. Thursday night into Friday will be the first cold night of the week with interior valleys dipping into the 30s. The usual cold spots such as the interior N Bay valleys and interior Monterey Co will see the best chance for freezing temps overnight Thurs as well as overnight Friday into Saturday. Right now, higher confidence exists for Sat morning the best chance for freezing temps in the aforementioned areas with NBM highlighting 80-90% chance of freezing temps. These temperatures will be hazardous for vulnerable populations as well as sensitive vegetation. Fri-Sat mornings look to be the coldest with potential cold lingering into Sunday morning, but temperatures start to warm early next week.
High pressure aloft that will build this weekend will start to weaken/flatten as ridging aloft becomes more amplified across the E Pacific. Generally benign and dry weather expected early next week with subtle warming trend as E Pacific ridge moves east over the west coast.
Still looking like mid Dec will be our next chance for rain.
AVIATION
(18Z TAFS)
Issued at 937 AM PST Wed Dec 6 2023
Satellite shows low ceiling and low visibility throughout the region causing a mix of LIFR, IFR, MVFR and VFR conditions as the frontal system starts to move into our area. Expect rain and showers this afternoon, starting near the North Bay terminals and moving southward towards Monterey Bay late this afternoon. Winds associated with the front will have a S/SW direction with speeds up to 10-15 knots this afternoon before returning to light tonight. Chances of VFR tonight is a bit uncertain as models show some disagreement with the determining post-frontal conditions. Another round of showers is possible Thursday morning, but timing is uncertain.
Vicinity of SFO...Currently MVFR with breezy and gusty W/SW winds ahead of the cold front. Expect rain towards the afternoon with chances time of arrival may be delayed till late afternoon. Expect MVFR to last until early Thursday morning where chances of VFR conditions increases as well as another round of light showers.
Winds will return to moderate tonight but is expected to become breezy towards Thursday afternoon.
SFO Bridge Approach... Similar to SFO.
Monterey Bay Terminals...IFR ceiling and visibility with showers over KSNS. Winds are pretty variable and light and is expected to build to moderate with S/SW direction. Possible VFR conditions near the early morning, but confidence is moderate as another rain band is expected to enter the area.
MARINE
(Today through Monday)
Issued at 847 AM PST Wed Dec 6 2023
Moderate to fresh northwesterly winds will develop across the northern outer waters and will spread into the central and southern waters through the day today with winds briefly shifting from NW to S/SW ahead of an incoming cold front. Elevated seas between 12-17 feet will persist through late week as a series of long period northwest swells propagate through the waters, resulting in hazardous conditions for small craft operators.
Showers will move over the waters and with chances of continued showers through the end of the work week.
BEACHES
Issued at 354 AM PST Wed Dec 6 2023
A stronger long period northwest swell has arrived with coastal buoys reporting waves of 15-16 feet at 16-18. Swell is expected to peak this morning with peak breaking waves between 18 to 22 feet.
A high surf advisory is in effect through 4AM Wednesday for Coastal North Bay, SF Peninsula Coast, Southern Monterey Bay and Big Sur Coasts. A beach hazards statement remains in effect until late Wednesday night from Northern Monterey Bay Coast. Dangerous ocean conditions for inexperienced surfers and swimmers with increased risk of rip current development. Use increased caution if going to the beach as unexpected sneaker waves may sweep people into the water. Avoid rocks and jetties. Avoid steep beaches.
Stay farther back from the water and never turn your back on the ocean.
MTR WATCHES/WARNINGS/ADVISORIES
CA...High Surf Advisory until 4 AM PST Thursday for CAZ006-505-509- 530.
Beach Hazards Statement through late tonight for CAZ529.
PZ...Small Craft Advisory until 9 PM PST this evening for SF Bay N of Bay Bridge.
Small Craft Advisory until 9 PM PST this evening for Mry Bay.
Small Craft Advisory until 3 AM PST Friday for Pigeon Pt to Pt Pinos 0-10 nm-Pigeon Pt to Pt Pinos 10-60 NM-Pt Arena to Pt Reyes 0-10 nm-Pt Arena to Pt Reyes 10-60 NM-Pt Pinos to Pt Piedras Blancas 0-10 nm-Pt Reyes to Pigeon Pt 0-10 nm.
Area Forecast Discussion National Weather Service San Francisco CA 937 AM PST Wed Dec 6 2023
New AVIATION
SYNOPSIS
Issued at 354 AM PST Wed Dec 6 2023
Patchy dense fog across the region mainly confined to the immediate coastline and the N Bay Valleys. Rain will return to the Bay Area this morning, bringing 0.25" to 0.75" across the region (higher amounts across the N Bay). Rain chances linger through Thursday. Colder lows expected Friday and Saturday mornings with freezing temps possible. Warming trend expected early next week.
UPDATE
Issued at 847 AM PST Wed Dec 6 2023
The pre-frontal environment has caused enough mixing for the denser fog to dissipate. As visibilities look to continue to improve, we have cancelled the Dense Fog Advisory. The main focus the shift will be the front itself, and making adjustments to the forecast to account for the slowing of the system and possible narrowing of the front.
SHORT TERM
(Today and tonight)
Issued at 354 AM PST Wed Dec 6 2023
Currently patchy dense fog is being reported across the N Bay interior valleys and near the Monterey Bay San Mateo coastline.
As mentioned in the evening update, meteorological conditions are less favorable for widespread radiation fog formation (as was seen the previous morning) with high clouds lingering over the N Bay ahead our next rain-making system. However, night fog satellite imagery shows low clouds/fog moving north parallel across the coast. Hi-res model that patchy dense fog may still spread across the bay shoreline especially after 5-6 am. Will continue to monitor closely through the morning and track the fog that's moving parallel to the coastline. If fog stays limited to the N Bay and coastline post-sunrise, this may prompt a cancellation of the Dense Fog Advisory for the bay shoreline and SF Peninsula.
Will also have to closely monitor fog development near the Monterey Bay.
Zooming out, midlevel water vapor satellite imagery shows the broad upper trough currently located over the E Pacific, bringing lots of moisture to the Pacific NW and NorCal. This storm system will continue to move south through the morning today. We're still expecting a beneficial rain to move through the Bay Area with the brunt of the rain moving through beginning this morning lasting through the afternoon. However, moisture (IVT and PWATs) start to fizzle out by the time it reaches the Bay Area, so we won't be expecting flooding concerns. As front passes today, breezy winds with gusts up to 20-30 mph possible this afternoon. Scattered, post- frontal showers linger this evening and tonight. Forecasted amounts have not changed much since previous forecasts with generally 0.25" to 0.65" across the interior North Bay with higher amounts of 0.75" to up to an inch across the coastal hills of the N Bay. The rest of the Bay Area further south is still expected to see less today with rain shadowed valleys seeing less than 0.10" to 0.25"-0.35".
LONG TERM
(Thursday through Tuesday)
Issued at 354 AM PST Wed Dec 6 2023
As the upper level trough exits the region, a weak disturbance will bring an additional push of rain that will move through early Thursday, bringing an additional few hundredths to up to a tenth of an inch to the Bay Area. Rain chances diminish by Thursday afternoon.
In wake of this system, a colder airmass is on track to move in across the West Coast, bringing colder overnight lows. Thursday night into Friday will be the first cold night of the week with interior valleys dipping into the 30s. The usual cold spots such as the interior N Bay valleys and interior Monterey Co will see the best chance for freezing temps overnight Thurs as well as overnight Friday into Saturday. Right now, higher confidence exists for Sat morning the best chance for freezing temps in the aforementioned areas with NBM highlighting 80-90% chance of freezing temps. These temperatures will be hazardous for vulnerable populations as well as sensitive vegetation. Fri-Sat mornings look to be the coldest with potential cold lingering into Sunday morning, but temperatures start to warm early next week.
High pressure aloft that will build this weekend will start to weaken/flatten as ridging aloft becomes more amplified across the E Pacific. Generally benign and dry weather expected early next week with subtle warming trend as E Pacific ridge moves east over the west coast.
Still looking like mid Dec will be our next chance for rain.
AVIATION
(18Z TAFS)
Issued at 937 AM PST Wed Dec 6 2023
Satellite shows low ceiling and low visibility throughout the region causing a mix of LIFR, IFR, MVFR and VFR conditions as the frontal system starts to move into our area. Expect rain and showers this afternoon, starting near the North Bay terminals and moving southward towards Monterey Bay late this afternoon. Winds associated with the front will have a S/SW direction with speeds up to 10-15 knots this afternoon before returning to light tonight. Chances of VFR tonight is a bit uncertain as models show some disagreement with the determining post-frontal conditions. Another round of showers is possible Thursday morning, but timing is uncertain.
Vicinity of SFO...Currently MVFR with breezy and gusty W/SW winds ahead of the cold front. Expect rain towards the afternoon with chances time of arrival may be delayed till late afternoon. Expect MVFR to last until early Thursday morning where chances of VFR conditions increases as well as another round of light showers.
Winds will return to moderate tonight but is expected to become breezy towards Thursday afternoon.
SFO Bridge Approach... Similar to SFO.
Monterey Bay Terminals...IFR ceiling and visibility with showers over KSNS. Winds are pretty variable and light and is expected to build to moderate with S/SW direction. Possible VFR conditions near the early morning, but confidence is moderate as another rain band is expected to enter the area.
MARINE
(Today through Monday)
Issued at 847 AM PST Wed Dec 6 2023
Moderate to fresh northwesterly winds will develop across the northern outer waters and will spread into the central and southern waters through the day today with winds briefly shifting from NW to S/SW ahead of an incoming cold front. Elevated seas between 12-17 feet will persist through late week as a series of long period northwest swells propagate through the waters, resulting in hazardous conditions for small craft operators.
Showers will move over the waters and with chances of continued showers through the end of the work week.
BEACHES
Issued at 354 AM PST Wed Dec 6 2023
A stronger long period northwest swell has arrived with coastal buoys reporting waves of 15-16 feet at 16-18. Swell is expected to peak this morning with peak breaking waves between 18 to 22 feet.
A high surf advisory is in effect through 4AM Wednesday for Coastal North Bay, SF Peninsula Coast, Southern Monterey Bay and Big Sur Coasts. A beach hazards statement remains in effect until late Wednesday night from Northern Monterey Bay Coast. Dangerous ocean conditions for inexperienced surfers and swimmers with increased risk of rip current development. Use increased caution if going to the beach as unexpected sneaker waves may sweep people into the water. Avoid rocks and jetties. Avoid steep beaches.
Stay farther back from the water and never turn your back on the ocean.
MTR WATCHES/WARNINGS/ADVISORIES
CA...High Surf Advisory until 4 AM PST Thursday for CAZ006-505-509- 530.
Beach Hazards Statement through late tonight for CAZ529.
PZ...Small Craft Advisory until 9 PM PST this evening for SF Bay N of Bay Bridge.
Small Craft Advisory until 9 PM PST this evening for Mry Bay.
Small Craft Advisory until 3 AM PST Friday for Pigeon Pt to Pt Pinos 0-10 nm-Pigeon Pt to Pt Pinos 10-60 NM-Pt Arena to Pt Reyes 0-10 nm-Pt Arena to Pt Reyes 10-60 NM-Pt Pinos to Pt Piedras Blancas 0-10 nm-Pt Reyes to Pigeon Pt 0-10 nm.
toggle option: (graph/table)
Airport Reports
EDIT (on/off) Help Click EDIT to display multiple airports. Follow links for more data.| Airport | Dist | Age | Wind kt | Vis | Sky | Weather | Temp | DewPt | RH | inHg |
| KOAK METROPOLITAN OAKLAND INTL,CA | 14 sm | 34 min | ESE 08 | 10 sm | Mostly Cloudy | 61°F | 52°F | 72% | 30.05 | |
| KSFO SAN FRANCISCO INTL,CA | 14 sm | 31 min | S 11 | 10 sm | Mostly Cloudy | 63°F | 52°F | 68% | 30.02 | |
| KHWD HAYWARD EXECUTIVE,CA | 21 sm | 33 min | S 10 | 10 sm | Mostly Cloudy | 61°F | 52°F | 72% | 30.04 | |
| KHAF HALF MOON BAY,CA | 22 sm | 12 min | S 10G16 | 4 sm | Mostly Cloudy | Mist | 59°F | 57°F | 94% | 30.02 |
| KDVO GNOSS FIELD,CA | 23 sm | 12 min | var 05 | 4 sm | Partly Cloudy | Lt Rain | 57°F | 57°F | 100% | 30.00 |
| KCCR BUCHANAN FIELD,CA | 24 sm | 34 min | S 12 | 10 sm | Mostly Cloudy | 63°F | 52°F | 68% | 30.04 | |
| KSQL SAN CARLOS,CA | 24 sm | 32 min | SE 09 | 10 sm | Mostly Cloudy | 63°F | 52°F | 68% | 30.03 |
Wind History from OAK
(wind in knots)San Francisco
Click for Map
Wed -- 12:48 AM PST Moonrise
Wed -- 06:55 AM PST 5.20 feet High Tide
Wed -- 07:11 AM PST Sunrise
Wed -- 01:11 PM PST 2.02 feet Low Tide
Wed -- 01:22 PM PST Moonset
Wed -- 04:50 PM PST Sunset
Wed -- 06:38 PM PST 3.84 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Wed -- 12:48 AM PST Moonrise
Wed -- 06:55 AM PST 5.20 feet High Tide
Wed -- 07:11 AM PST Sunrise
Wed -- 01:11 PM PST 2.02 feet Low Tide
Wed -- 01:22 PM PST Moonset
Wed -- 04:50 PM PST Sunset
Wed -- 06:38 PM PST 3.84 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
San Francisco, California, Tide feet
| 12 am |
| 1.2 |
| 1 am |
| 1.5 |
| 2 am |
| 2.1 |
| 3 am |
| 2.9 |
| 4 am |
| 3.7 |
| 5 am |
| 4.5 |
| 6 am |
| 5 |
| 7 am |
| 5.2 |
| 8 am |
| 5 |
| 9 am |
| 4.4 |
| 10 am |
| 3.6 |
| 11 am |
| 2.8 |
| 12 pm |
| 2.3 |
| 1 pm |
| 2 |
| 2 pm |
| 2.1 |
| 3 pm |
| 2.5 |
| 4 pm |
| 3 |
| 5 pm |
| 3.5 |
| 6 pm |
| 3.8 |
| 7 pm |
| 3.8 |
| 8 pm |
| 3.6 |
| 9 pm |
| 3.1 |
| 10 pm |
| 2.4 |
| 11 pm |
| 1.9 |
Tide / Current for Golden Gate Bridge .8 mi E ., San Francisco Bay, California Current
EDIT (on/off) HelpGolden Gate Bridge .8 mi E .
Click for Map
Wed -- 12:48 AM PST Moonrise
Wed -- 02:07 AM PST 0.01 knots Slack
Wed -- 05:13 AM PST 2.35 knots Max Flood
Wed -- 07:10 AM PST Sunrise
Wed -- 08:21 AM PST -0.01 knots Slack
Wed -- 11:21 AM PST -1.79 knots Max Ebb
Wed -- 01:22 PM PST Moonset
Wed -- 03:08 PM PST 0.00 knots Slack
Wed -- 04:50 PM PST Sunset
Wed -- 05:45 PM PST 1.62 knots Max Flood
Wed -- 08:28 PM PST -0.00 knots Slack
Wed -- 11:24 PM PST -1.70 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Wed -- 12:48 AM PST Moonrise
Wed -- 02:07 AM PST 0.01 knots Slack
Wed -- 05:13 AM PST 2.35 knots Max Flood
Wed -- 07:10 AM PST Sunrise
Wed -- 08:21 AM PST -0.01 knots Slack
Wed -- 11:21 AM PST -1.79 knots Max Ebb
Wed -- 01:22 PM PST Moonset
Wed -- 03:08 PM PST 0.00 knots Slack
Wed -- 04:50 PM PST Sunset
Wed -- 05:45 PM PST 1.62 knots Max Flood
Wed -- 08:28 PM PST -0.00 knots Slack
Wed -- 11:24 PM PST -1.70 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Golden Gate Bridge .8 mi E ., San Francisco Bay, California Current, knots
| 12 am |
| -1.4 |
| 1 am |
| -0.9 |
| 2 am |
| -0.1 |
| 3 am |
| 1 |
| 4 am |
| 1.9 |
| 5 am |
| 2.3 |
| 6 am |
| 2.2 |
| 7 am |
| 1.6 |
| 8 am |
| 0.5 |
| 9 am |
| -0.6 |
| 10 am |
| -1.4 |
| 11 am |
| -1.8 |
| 12 pm |
| -1.7 |
| 1 pm |
| -1.4 |
| 2 pm |
| -0.9 |
| 3 pm |
| -0.1 |
| 4 pm |
| 0.9 |
| 5 pm |
| 1.5 |
| 6 pm |
| 1.6 |
| 7 pm |
| 1.3 |
| 8 pm |
| 0.5 |
| 9 pm |
| -0.5 |
| 10 pm |
| -1.2 |
| 11 pm |
| -1.7 |
San Francisco Bay Area, CA,
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