Marine Weather and Tide Forecast
Sample Forecast for Sausalito, CA
March 29, 2024 2:22 PM PDT (21:22 UTC) Change Location
Sunrise 6:56 AM Sunset 7:31 PM Moonrise 11:17 PM Moonset 8:01 AM |
PZZ530 San Pablo Bay, Suisun Bay, The West Delta And The San Francisco Bay North Of The Bay Bridge- 847 Am Pdt Fri Mar 29 2024
.small craft advisory in effect from 3 pm pdt this afternoon through this evening - .
Today - SE winds 15 to 25 knots. Showers.
Tonight - SE winds 10 to 20 knots with gusts up to 30 knots. Showers and a slight chance of Thunderstorms.
Sat - E winds 10 to 20 knots with gusts up to 25 knots. Showers likely and a slight chance of Thunderstorms.
Sat night - N winds 5 to 10 knots.
Sun - SW winds 5 to 10 knots.
Sun night - W winds 5 to 10 knots.
Mon - NW winds 5 to 10 knots.
Tue - SW winds 5 to 10 knots.
winds and waves higher in and near tstms.
winds and waves higher in and near tstms.
PZZ500 847 Am Pdt Fri Mar 29 2024
Synopsis for the central california coast and bays including the Monterey bay - Greater farallones - .and cordell bank national marine sanctuaries - .
a strengthening low pressure system over the eastern pacific continues to move toward california resulting in southerly gales and moderate to heavy rain today. Cold, unstable air aloft with the low will also result in a slight to moderate chance of Thunderstorms later today, tonight and Saturday. Isolated evere Thunderstorms, with increasing potential for hail and a slight potential for waterspout development, will increase in likelihood into the afternoon. A high pressure system will build in behind the low late in the weekend and early next week bringing drier, milder conditions to the area.
a strengthening low pressure system over the eastern pacific continues to move toward california resulting in southerly gales and moderate to heavy rain today. Cold, unstable air aloft with the low will also result in a slight to moderate chance of Thunderstorms later today, tonight and Saturday. Isolated evere Thunderstorms, with increasing potential for hail and a slight potential for waterspout development, will increase in likelihood into the afternoon. A high pressure system will build in behind the low late in the weekend and early next week bringing drier, milder conditions to the area.
Area Discussion for - San Francisco/Monterey Bay Area, CA
  (hide/show)  HelpNOTE: mouseover dotted underlined text for definition
FXUS66 KMTR 291821 AFDMTR
Area Forecast Discussion National Weather Service San Francisco CA 1121 AM PDT Fri Mar 29 2024
New AVIATION, MARINE
SYNOPSIS
Issued at 230 AM PDT Fri Mar 29 2024
A weather system brings wind, rain, and a few thunderstorms to the region later today through Saturday. Moderate impacts are anticipated including minor flooding and potential tree and power line damage. Stay weather aware and prepare for longer afternoon and evening commute times today.
SHORT TERM
(Today and tonight)
Issued at 230 AM PDT Fri Mar 29 2024
Key Points: * Impactful weather system today into Saturday * Moderate wind and water impacts anticipated * Strong wind gusts may cause tree and power line damage * Minor flooding potential from locally heavy rainfall * Isolated thunderstorms with lightning and small hail * Peak impacts this afternoon into Saturday evening
Weather Overview:
A cyclonic flow pattern prevails aloft across the northeast Pacific early this morning. Two low pressure systems are evident -- one west of Washington and another located around 400 nm west of the Redwood Coast. A consensus of the forecast models suggest the lower latitude system will become the prevailing low as it drops southeast towards the northern/central CA coast. The surface low will subsequently deepen to around 995 mb as it locates just east of the Bay Area by this evening. This dynamic system will bring impacts to the region in the form of strong gusty winds, periods of moderate to heavy rainfall, and thunderstorms through the forecast period.
Below is a timeline of our expectations for today into tonight.
This Morning:
Scattered showers will increase in coverage across the Bay Area during the mid to late morning hours as warm advection aloft becomes the primary forcing mechanism for ascent. Breezy southerly winds will begin to pick up as well, especially along the coast and within the coastal ranges of the Bay Area. Showers should be light to moderate through most of this period, with heavier showers approaching the Bay Area as afternoon approaches. The primary impacts during this period should be wet roadways along the with the potential for a few branches down due to the breezy winds.
This Afternoon and Evening:
This will be prime time for the greatest impacts. Look for the deepening surface low to wobble towards the coast as a surface warm front lifts north early in the period before a cold front moves onshore during the late afternoon to early evening. Coverage and intensity of showers should increase by early afternoon with elevated instability providing for isolated thunderstorm potential as well. A 50 kt southerly low-level jet (LLJ) will impinge on coastal portions of the region as well with an uptick in strong and gusty gradient winds occurring. In addition the higher resolution convection allowing models are suggestive of a conditional risk for mixing these stronger winds to the surface in convection particularly as the main frontal band moves onshore during the early to mid afternoon hours. As mentioned instability is sufficient for thunderstorm development as early as this afternoon, but actually peaks within the colder and unstable airmass following the cold frontal passage. Regardless, thunderstorm hazards will exist in the form of occasional lightning, brief heavy rain, gusty to perhaps locally damaging winds, and small hail. Given the strong low-level wind fields and sufficient low-level directional shear can't rule out the potential for a landfalling waterspout as well, especially this afternoon. Scattered showers and isolated thunderstorms will continue within the post-frontal environment overnight as the cold-core low remains in the vicinity. Now that we've outlined the weather setup here's a quick breakdown on potential hazards for today and tonight:
* Strong gusty winds with tree and power line damage possible * Locally heavy rainfall leading to urban/street flooding * Isolated thunderstorms with lightning, wind, and small hail * Conditional risk for landfalling waterspout
Stay weather aware today and keep up with forecast changes.
LONG TERM
(Saturday through Thursday)
Issued at 230 AM PDT Fri Mar 29 2024
Saturday into Sunday morning:
While the weakening surface low will depart to our south the region remains under the influence of the cold-core upper low. This means we'll see plentiful showers and isolated thunderstorms on Saturday.
The day won't be a total washout (we'll probably even see some sunshine at times), but watch out because when it rains, it pours (as they say). So watch out for lightning, brief locally heavy rainfall, and small hail as potential hazards. This risk is greatest on Saturday afternoon, with coverage continuing overnight. By Sunday morning look for precipitation to have largely ended for most areas outside of perhaps the Santa Lucias and southern Diablo range.
Overall amounts should be lighter compared to during Friday/Friday night, but locally heavy amounts could cause minor flooding concerns if a heavier shower or storm traverses an urban or hydrologically sensitive area. Winds should be quite a bit lower as well as the pressure gradient relaxes. For temperatures, they'll be a little on the cool side with highs in the upper 50s to lower 60s and lows mostly in the 40s.
Late Sunday through Thursday:
High pressure builds into the region with dry conditions and a warming trend through mid week. Expect a cooling trend by late week as upstream troughing traverses the Pacific Northwest states. A little light precipitation may accompany this feature as well but it doesn't appear to be anything noteworthy at this point.
AVIATION
(18Z TAFS)
Issued at 1120 AM PDT Fri Mar 29 2024
Widespread moderate rain showers are starting to move into the Bay Area with increasing thunderstorm potential starting late this afternoon and continuing into Saturday. Moderate rain to continue through the evening before becoming lighter overnight. Gusty southeast winds will continue through the TAF period with gusts up to 35 knots possible. Winds will start to weaken overnight before stronger winds return for several stations during the morning hours.
For now, CIGs remain VFR but as the rain continues to move inland MVFR CIGs are expected to develop. Wind shear concerns will increase throughout the Bay Area this afternoon and continue into the evening.
Vicinity of SFO...VFR to MVFR. Strong, gusty southerly to southeasterly winds are expected with sustained winds between 15-20 knots and gusts up to 35 knots possible. Ceilings and visibilities are expected to decrease as moderate showers continue to move onshore with wind shear and strong SE gusts expected between 20Z to 02Z. TS chances will increase starting between 01-02Z with increased VCTS potential from 02Z to 07Z. An AWW has been issued for strong, gusty SE winds from 20Z to 02Z but an extension may be needed based on how TS develop.
SFO Bridge Approach...Similar to SFO.
Monterey Bay Terminals...VFR to MVFR. Widespread light to moderate rain is approaching the Central Coast which will reduce CIGs and visibility as showers move over the airport. Gusty SE winds will develop at MRY by 22Z and have already started at SNS (as of 18Z).
Gusty winds will continue through the late evening for MRY and through the end of the TAF period for SNS. Given the SE wind orientation, winds at SNS will be closely monitored as stronger winds than currently in the TAF may develop. A slight chance of thunderstorms exists tonight and continues into Saturday morning.
MARINE
(Today through Wednesday)
Issued at 1120 AM PDT Fri Mar 29 2024
A strengthening low pressure system over the eastern Pacific continues to move toward California resulting in southerly gales and moderate to heavy rain today. Cold, unstable air aloft with the low will also result in a slight to moderate chance of thunderstorms later today, tonight and Saturday. Isolated severe thunderstorms, with increasing potential for hail and a slight potential for waterspout development, will increase in likelihood into the afternoon. A high pressure system will build in behind the low late in the weekend and early next week bringing drier, milder conditions to the area.
MTR WATCHES/WARNINGS/ADVISORIES
CA...Wind Advisory until 5 AM PDT Saturday for CAZ006-504-509-510-512- 514>516-518-528>530.
Wind Advisory until 3 AM PDT Saturday for CAZ502-503-505.
High Wind Warning until 9 PM PDT this evening for CAZ517.
Wind Advisory from 9 PM this evening to 5 AM PDT Saturday for CAZ517.
PZ...Small Craft Advisory from 3 PM this afternoon to 9 PM PDT this evening for SF Bay N of Bay Bridge.
Small Craft Advisory until 3 PM PDT this afternoon for Mry Bay.
Gale Warning from 3 PM this afternoon to 3 AM PDT Saturday for Mry Bay.
Gale Warning until 3 PM PDT this afternoon for Pt Arena to Pt Reyes 0-10 nm-Pt Arena to Pt Reyes 10-60 NM-Pt Reyes to Pigeon Pt 0-10 nm.
Gale Warning until 9 PM PDT this evening for Pigeon Pt to Pt Pinos 0-10 nm-Pigeon Pt to Pt Pinos 10-60 NM-Pt Pinos to Pt Piedras Blancas 0-10 nm.
Area Forecast Discussion National Weather Service San Francisco CA 1121 AM PDT Fri Mar 29 2024
New AVIATION, MARINE
SYNOPSIS
Issued at 230 AM PDT Fri Mar 29 2024
A weather system brings wind, rain, and a few thunderstorms to the region later today through Saturday. Moderate impacts are anticipated including minor flooding and potential tree and power line damage. Stay weather aware and prepare for longer afternoon and evening commute times today.
SHORT TERM
(Today and tonight)
Issued at 230 AM PDT Fri Mar 29 2024
Key Points: * Impactful weather system today into Saturday * Moderate wind and water impacts anticipated * Strong wind gusts may cause tree and power line damage * Minor flooding potential from locally heavy rainfall * Isolated thunderstorms with lightning and small hail * Peak impacts this afternoon into Saturday evening
Weather Overview:
A cyclonic flow pattern prevails aloft across the northeast Pacific early this morning. Two low pressure systems are evident -- one west of Washington and another located around 400 nm west of the Redwood Coast. A consensus of the forecast models suggest the lower latitude system will become the prevailing low as it drops southeast towards the northern/central CA coast. The surface low will subsequently deepen to around 995 mb as it locates just east of the Bay Area by this evening. This dynamic system will bring impacts to the region in the form of strong gusty winds, periods of moderate to heavy rainfall, and thunderstorms through the forecast period.
Below is a timeline of our expectations for today into tonight.
This Morning:
Scattered showers will increase in coverage across the Bay Area during the mid to late morning hours as warm advection aloft becomes the primary forcing mechanism for ascent. Breezy southerly winds will begin to pick up as well, especially along the coast and within the coastal ranges of the Bay Area. Showers should be light to moderate through most of this period, with heavier showers approaching the Bay Area as afternoon approaches. The primary impacts during this period should be wet roadways along the with the potential for a few branches down due to the breezy winds.
This Afternoon and Evening:
This will be prime time for the greatest impacts. Look for the deepening surface low to wobble towards the coast as a surface warm front lifts north early in the period before a cold front moves onshore during the late afternoon to early evening. Coverage and intensity of showers should increase by early afternoon with elevated instability providing for isolated thunderstorm potential as well. A 50 kt southerly low-level jet (LLJ) will impinge on coastal portions of the region as well with an uptick in strong and gusty gradient winds occurring. In addition the higher resolution convection allowing models are suggestive of a conditional risk for mixing these stronger winds to the surface in convection particularly as the main frontal band moves onshore during the early to mid afternoon hours. As mentioned instability is sufficient for thunderstorm development as early as this afternoon, but actually peaks within the colder and unstable airmass following the cold frontal passage. Regardless, thunderstorm hazards will exist in the form of occasional lightning, brief heavy rain, gusty to perhaps locally damaging winds, and small hail. Given the strong low-level wind fields and sufficient low-level directional shear can't rule out the potential for a landfalling waterspout as well, especially this afternoon. Scattered showers and isolated thunderstorms will continue within the post-frontal environment overnight as the cold-core low remains in the vicinity. Now that we've outlined the weather setup here's a quick breakdown on potential hazards for today and tonight:
* Strong gusty winds with tree and power line damage possible * Locally heavy rainfall leading to urban/street flooding * Isolated thunderstorms with lightning, wind, and small hail * Conditional risk for landfalling waterspout
Stay weather aware today and keep up with forecast changes.
LONG TERM
(Saturday through Thursday)
Issued at 230 AM PDT Fri Mar 29 2024
Saturday into Sunday morning:
While the weakening surface low will depart to our south the region remains under the influence of the cold-core upper low. This means we'll see plentiful showers and isolated thunderstorms on Saturday.
The day won't be a total washout (we'll probably even see some sunshine at times), but watch out because when it rains, it pours (as they say). So watch out for lightning, brief locally heavy rainfall, and small hail as potential hazards. This risk is greatest on Saturday afternoon, with coverage continuing overnight. By Sunday morning look for precipitation to have largely ended for most areas outside of perhaps the Santa Lucias and southern Diablo range.
Overall amounts should be lighter compared to during Friday/Friday night, but locally heavy amounts could cause minor flooding concerns if a heavier shower or storm traverses an urban or hydrologically sensitive area. Winds should be quite a bit lower as well as the pressure gradient relaxes. For temperatures, they'll be a little on the cool side with highs in the upper 50s to lower 60s and lows mostly in the 40s.
Late Sunday through Thursday:
High pressure builds into the region with dry conditions and a warming trend through mid week. Expect a cooling trend by late week as upstream troughing traverses the Pacific Northwest states. A little light precipitation may accompany this feature as well but it doesn't appear to be anything noteworthy at this point.
AVIATION
(18Z TAFS)
Issued at 1120 AM PDT Fri Mar 29 2024
Widespread moderate rain showers are starting to move into the Bay Area with increasing thunderstorm potential starting late this afternoon and continuing into Saturday. Moderate rain to continue through the evening before becoming lighter overnight. Gusty southeast winds will continue through the TAF period with gusts up to 35 knots possible. Winds will start to weaken overnight before stronger winds return for several stations during the morning hours.
For now, CIGs remain VFR but as the rain continues to move inland MVFR CIGs are expected to develop. Wind shear concerns will increase throughout the Bay Area this afternoon and continue into the evening.
Vicinity of SFO...VFR to MVFR. Strong, gusty southerly to southeasterly winds are expected with sustained winds between 15-20 knots and gusts up to 35 knots possible. Ceilings and visibilities are expected to decrease as moderate showers continue to move onshore with wind shear and strong SE gusts expected between 20Z to 02Z. TS chances will increase starting between 01-02Z with increased VCTS potential from 02Z to 07Z. An AWW has been issued for strong, gusty SE winds from 20Z to 02Z but an extension may be needed based on how TS develop.
SFO Bridge Approach...Similar to SFO.
Monterey Bay Terminals...VFR to MVFR. Widespread light to moderate rain is approaching the Central Coast which will reduce CIGs and visibility as showers move over the airport. Gusty SE winds will develop at MRY by 22Z and have already started at SNS (as of 18Z).
Gusty winds will continue through the late evening for MRY and through the end of the TAF period for SNS. Given the SE wind orientation, winds at SNS will be closely monitored as stronger winds than currently in the TAF may develop. A slight chance of thunderstorms exists tonight and continues into Saturday morning.
MARINE
(Today through Wednesday)
Issued at 1120 AM PDT Fri Mar 29 2024
A strengthening low pressure system over the eastern Pacific continues to move toward California resulting in southerly gales and moderate to heavy rain today. Cold, unstable air aloft with the low will also result in a slight to moderate chance of thunderstorms later today, tonight and Saturday. Isolated severe thunderstorms, with increasing potential for hail and a slight potential for waterspout development, will increase in likelihood into the afternoon. A high pressure system will build in behind the low late in the weekend and early next week bringing drier, milder conditions to the area.
MTR WATCHES/WARNINGS/ADVISORIES
CA...Wind Advisory until 5 AM PDT Saturday for CAZ006-504-509-510-512- 514>516-518-528>530.
Wind Advisory until 3 AM PDT Saturday for CAZ502-503-505.
High Wind Warning until 9 PM PDT this evening for CAZ517.
Wind Advisory from 9 PM this evening to 5 AM PDT Saturday for CAZ517.
PZ...Small Craft Advisory from 3 PM this afternoon to 9 PM PDT this evening for SF Bay N of Bay Bridge.
Small Craft Advisory until 3 PM PDT this afternoon for Mry Bay.
Gale Warning from 3 PM this afternoon to 3 AM PDT Saturday for Mry Bay.
Gale Warning until 3 PM PDT this afternoon for Pt Arena to Pt Reyes 0-10 nm-Pt Arena to Pt Reyes 10-60 NM-Pt Reyes to Pigeon Pt 0-10 nm.
Gale Warning until 9 PM PDT this evening for Pigeon Pt to Pt Pinos 0-10 nm-Pigeon Pt to Pt Pinos 10-60 NM-Pt Pinos to Pt Piedras Blancas 0-10 nm.
toggle option: (graph/table)
Airport Reports
EDIT (hide/show)  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 | 29 min | SE 14G33 | 7 sm | Overcast | Lt Rain | 52°F | 46°F | 82% | 29.68 |
KSFO SAN FRANCISCO INTL,CA | 14 sm | 26 min | SE 15 | 7 sm | Overcast | Rain | 52°F | 46°F | 82% | 29.67 |
KHWD HAYWARD EXECUTIVE,CA | 21 sm | 28 min | SSE 17G22 | 5 sm | Overcast | Lt Rain | 55°F | 43°F | 62% | 29.67 |
KHAF HALF MOON BAY,CA | 22 sm | 67 min | SSE 13 | 3/4 sm | Overcast | Rain Mist | 50°F | 50°F | 100% | 29.67 |
KDVO GNOSS FIELD,CA | 23 sm | 27 min | var 06 | 3/4 sm | Overcast | Rain | 50°F | 50°F | 100% | 29.69 |
KCCR BUCHANAN FIELD,CA | 24 sm | 29 min | SE 05 | 8 sm | Overcast | Lt Rain | 54°F | 43°F | 67% | 29.69 |
KSQL SAN CARLOS,CA | 24 sm | 2.6 hrs | SE 19G25 | 10 sm | Overcast | 55°F | 45°F | 67% | 29.71 |
San Francisco
Click for Map
Fri -- 02:09 AM PDT 5.50 feet High Tide
Fri -- 06:58 AM PDT Sunrise
Fri -- 08:50 AM PDT 0.14 feet Low Tide
Fri -- 09:00 AM PDT Moonset
Fri -- 03:54 PM PDT 3.91 feet High Tide
Fri -- 07:30 PM PDT Sunset
Fri -- 08:15 PM PDT 2.77 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Fri -- 02:09 AM PDT 5.50 feet High Tide
Fri -- 06:58 AM PDT Sunrise
Fri -- 08:50 AM PDT 0.14 feet Low Tide
Fri -- 09:00 AM PDT Moonset
Fri -- 03:54 PM PDT 3.91 feet High Tide
Fri -- 07:30 PM PDT Sunset
Fri -- 08:15 PM PDT 2.77 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
San Francisco, California, Tide feet
12 am |
4.6 |
1 am |
5.2 |
2 am |
5.5 |
3 am |
5.3 |
4 am |
4.6 |
5 am |
3.5 |
6 am |
2.2 |
7 am |
1.1 |
8 am |
0.3 |
9 am |
0.1 |
10 am |
0.5 |
11 am |
1.1 |
12 pm |
1.9 |
1 pm |
2.7 |
2 pm |
3.4 |
3 pm |
3.8 |
4 pm |
3.9 |
5 pm |
3.7 |
6 pm |
3.4 |
7 pm |
3 |
8 pm |
2.8 |
9 pm |
2.9 |
10 pm |
3.2 |
11 pm |
3.7 |
Tide / Current for Golden Gate Bridge .8 mi E ., San Francisco Bay, California Current
EDIT (hide/show)  HelpGolden Gate Bridge .8 mi E .
Click for Map
Fri -- 01:06 AM PDT 1.87 knots Max Flood
Fri -- 03:42 AM PDT -0.00 knots Slack
Fri -- 06:58 AM PDT Sunrise
Fri -- 07:37 AM PDT -2.71 knots Max Ebb
Fri -- 09:00 AM PDT Moonset
Fri -- 11:04 AM PDT 0.00 knots Slack
Fri -- 02:06 PM PDT 2.31 knots Max Flood
Fri -- 05:36 PM PDT -0.00 knots Slack
Fri -- 07:30 PM PDT Sunset
Fri -- 08:09 PM PDT -1.25 knots Max Ebb
Fri -- 10:30 PM PDT 0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Fri -- 01:06 AM PDT 1.87 knots Max Flood
Fri -- 03:42 AM PDT -0.00 knots Slack
Fri -- 06:58 AM PDT Sunrise
Fri -- 07:37 AM PDT -2.71 knots Max Ebb
Fri -- 09:00 AM PDT Moonset
Fri -- 11:04 AM PDT 0.00 knots Slack
Fri -- 02:06 PM PDT 2.31 knots Max Flood
Fri -- 05:36 PM PDT -0.00 knots Slack
Fri -- 07:30 PM PDT Sunset
Fri -- 08:09 PM PDT -1.25 knots Max Ebb
Fri -- 10:30 PM PDT 0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Golden Gate Bridge .8 mi E ., San Francisco Bay, California Current, knots
12 am |
1.5 |
1 am |
1.9 |
2 am |
1.6 |
3 am |
0.8 |
4 am |
-0.2 |
5 am |
-1.1 |
6 am |
-2 |
7 am |
-2.6 |
8 am |
-2.7 |
9 am |
-2 |
10 am |
-1 |
11 am |
-0.1 |
12 pm |
1 |
1 pm |
1.9 |
2 pm |
2.3 |
3 pm |
2.1 |
4 pm |
1.4 |
5 pm |
0.6 |
6 pm |
-0.3 |
7 pm |
-0.9 |
8 pm |
-1.2 |
9 pm |
-1 |
10 pm |
-0.3 |
11 pm |
0.3 |
San Francisco Bay Area, CA,
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