Marine Weather and Tide Forecast
Sample Forecast for Sausalito, CA
April 30, 2024 3:54 PM PDT (22:54 UTC) Change Location
 | Sunrise 6:12 AM Sunset 8:01 PM Moonrise 1:02 AM Moonset 10:29 AM |
PZZ530 San Pablo Bay, Suisun Bay, The West Delta And The San Francisco Bay North Of The Bay Bridge- 317 Pm Pdt Tue Apr 30 2024
.small craft advisory in effect through late tonight - .
This afternoon - W winds 10 to 15 knots.
Tonight - W winds 10 to 15 knots with gusts up to 25 knots.
Wed - NW winds 15 to 20 knots with gusts up to 30 knots.
Wed night - W winds 10 to 15 knots.
Thu - W winds 10 to 15 knots.
Thu night - W winds 15 to 20 knots with gusts up to 25 knots.
Fri - W winds 10 to 15 knots.
Sat - W winds 10 to 15 knots with gusts up to 25 knots. A chance of rain.
PZZ500 317 Pm Pdt Tue Apr 30 2024
Synopsis for the central california coast and bays including the Monterey bay - Greater farallones - .and cordell bank national marine sanctuaries - .
expect strong winds through Friday, with gale force gusts of 40 to 45 knots are possible through much of the week. The strong winds will result in hazardous seas and steep wind waves with significant wave heights reaching 10 to 14 feet in the outer waters. Conditions will gradually improve over the weekend and into next week as winds begin to ease. Chances of rain begin early Saturday as a trough descends over the region.
expect strong winds through Friday, with gale force gusts of 40 to 45 knots are possible through much of the week. The strong winds will result in hazardous seas and steep wind waves with significant wave heights reaching 10 to 14 feet in the outer waters. Conditions will gradually improve over the weekend and into next week as winds begin to ease. Chances of rain begin early Saturday as a trough descends over the region.
Area Discussion for - San Francisco/Monterey Bay Area, CA
(hide/show) HelpNOTE: mouseover dotted underlined text for definition
FXUS66 KMTR 302008 AFDMTR
Area Forecast Discussion National Weather Service San Francisco CA 108 PM PDT Tue Apr 30 2024
New SHORT TERM
SYNOPSIS
Issued at 133 AM PDT Tue Apr 30 2024
High pressure brings quiet weather and slowly warming temperatures this week. Breezy onshore winds will keep temperatures along the coast cooler however. Cooler and more unsettled conditions return this weekend into next week with light rain chances in the forecast.
SHORT TERM
(This evening through Wednesday)
Issued at 106 PM PDT Tue Apr 30 2024
Overnight temperatures are forecast to cool into the 40's across much of the region with less cloud cover. However, areas around the Monterey Bay have the potential to see low clouds develop once again. Once any low clouds that do develop dissipate, temperatures will begin to warm and are likely to reach into the 60's near the coast (70's in places such as Santa Cruz) with mid-to-upper 70's inland.
LONG TERM
(Wednesday night through Monday)
Issued at 203 AM PDT Tue Apr 30 2024
Dry conditions prevailing through mid-week. A slowly retrograding long wave trough along the West Coast varies in strength late week and early next week. There is a large difference between recent GFS (wet) and ECMWF (not nearly as wet as the GFS) in calculating the trajectory/progression of a low pressure system moving through the long wave trough, now well within 120 hours (5 days) forecast. QPF differences are showing up in the GEFS and EPS as well, though recent EPS have increased a little. As of current, it remains a low confidence forecast from a global model forecast perspective. Given the model forecast trajectory of the low pressure system is from near the Bering Sea/Aleutians southeastward across the Pacific (and surface high pressure over the Pacific retrogrades)
where below normal sea surface temperatures exist including a negative phase Pacific Decadal Oscillation (PDO) i.e. the potential forward slowing due to local surface heating is reduced therefore the quicker arriving QPF in the GFS solution may not be that far off if development much closer to our forecast area verifies. The northern hemispheric pattern remains active with the current number of long wave troughs reflecting a winter-like circulation.
Stay tuned to latest forecast updates, as currently advertised the official forecast shows potential for showery, cool weather this weekend. Planning travel to the mountains? This pattern has potential for snow accumulations, it's a good idea to monitor the latest forecasts. Per 30 year climatology we are of course past peak cool season rainfall, however it can still rain in May in the Bay Area and north Central Coast. Recalling a Lead Forecaster here years ago mentioned it's always a good idea to carry chains in case needed (for Sierra Nevada travel) through Memorial Day.
July climatologically is our driest time of year since by then the jet stream has reliably weakened and returned northward and high pressure often sets up.
AVIATION
(18Z TAFS)
Issued at 1220 PM PDT Tue Apr 30 2024
VFR conditions prevail through the TAF period. However, strong and gusty winds will be the main concern through the late evening today.
Winds increase out of the W/NW to become sustained generally around 15-20 knots into the afternoon today, with gusts in the 25-30 kt range. The one exception to prevailing gusty conditions this afternoon will likely be Monterey Bay terminals, though they will still see winds nearing 15 kts. One thing to keep an eye on will be whether winds at KSFO strengthen above the forecast 30 kt gusts. Will expand more on this in their discussion section.
Into the late night tonight, winds slowly ease near the surface, but in the mid levels (1500+ feet), winds turn more northerly and increase to around 25-30 kts on average, with select terminals seeing stronger winds. This will introduce directional and speed shear for most terminals tonight, especially the North Bay. It is not until the mid to late morning of Wednesday that wind shear diminishes.
Vicinity of SFO...VFR through the TAF period, with the terminal seeing strong and gusty winds out of the W/NW. Current thought is that wind gusts will stay contained to around 30 kt this afternoon and not exceed or reach AWW criteria (35 kt). As it currently stands, high resolution models have the mean (50th percentile) wind gusts this afternoon at KSFO at 25 kts, with the higher end (90th percentile) only reaching 28 kts around the time for strongest winds near 01Z. However, current SFO-ACV gradient is stronger now than at this same time yesterday. Therefore, moderate confidence in wind gusts not exceeding 30 kt at KSFO this afternoon. If the gradient continues to strengthen, gusts may increase beyond 30 knots. This will be something to watch closely over the next few hours.
SFO Bridge Approach...Similar to SFO.
Monterey Bay Terminals...VFR through the TAF period. Winds out of the NW and moderate around 12-15 knots. Some higher gusts are possible, though do not look to be as prevailing compared to terminals to the north. Winds ease into the late night to below 10 knots.
MARINE
(Tonight through next Sunday)
Issued at 1220 PM PDT Tue Apr 30 2024
Strong winds persist through Friday, with gale force gusts of 40 to 45 knots are possible over the outer waters and portions of the immediate coast near Point Reyes and Point Sur through much of the week. The strong winds will result in hazardous seas and steep wind waves with significant wave heights reaching 10 to 14 feet in the outer waters. Conditions will gradually improve over the weekend and into next week as winds begin to ease. Chances of rain begin early Saturday as a trough descends over the region.
MTR WATCHES/WARNINGS/ADVISORIES
CA...None.
PZ...Small Craft Advisory until 3 AM PDT Wednesday for SF Bay N of Bay Bridge.
Small Craft Advisory until 3 AM PDT Wednesday for Mry Bay.
Small Craft Advisory from 9 AM to 9 PM PDT Wednesday for Mry Bay.
Gale Warning until 3 AM PDT Wednesday for Pt Arena to Pt Reyes 0- 10 nm-Pt Reyes to Pigeon Pt 0-10 nm.
Small Craft Advisory until 3 PM PDT this afternoon for Pigeon Pt to Pt Pinos 0-10 nm.
Gale Warning until 9 PM PDT this evening for Pigeon Pt to Pt Pinos 0-10 nm.
Gale Warning until 3 AM PDT Thursday for Pt Arena to Pt Reyes 10- 60 NM-Pt Pinos to Pt Piedras Blancas 0-10 nm.
Gale Warning until 9 AM PDT Thursday for Pigeon Pt to Pt Pinos 10-60 NM.
Area Forecast Discussion National Weather Service San Francisco CA 108 PM PDT Tue Apr 30 2024
New SHORT TERM
SYNOPSIS
Issued at 133 AM PDT Tue Apr 30 2024
High pressure brings quiet weather and slowly warming temperatures this week. Breezy onshore winds will keep temperatures along the coast cooler however. Cooler and more unsettled conditions return this weekend into next week with light rain chances in the forecast.
SHORT TERM
(This evening through Wednesday)
Issued at 106 PM PDT Tue Apr 30 2024
Overnight temperatures are forecast to cool into the 40's across much of the region with less cloud cover. However, areas around the Monterey Bay have the potential to see low clouds develop once again. Once any low clouds that do develop dissipate, temperatures will begin to warm and are likely to reach into the 60's near the coast (70's in places such as Santa Cruz) with mid-to-upper 70's inland.
LONG TERM
(Wednesday night through Monday)
Issued at 203 AM PDT Tue Apr 30 2024
Dry conditions prevailing through mid-week. A slowly retrograding long wave trough along the West Coast varies in strength late week and early next week. There is a large difference between recent GFS (wet) and ECMWF (not nearly as wet as the GFS) in calculating the trajectory/progression of a low pressure system moving through the long wave trough, now well within 120 hours (5 days) forecast. QPF differences are showing up in the GEFS and EPS as well, though recent EPS have increased a little. As of current, it remains a low confidence forecast from a global model forecast perspective. Given the model forecast trajectory of the low pressure system is from near the Bering Sea/Aleutians southeastward across the Pacific (and surface high pressure over the Pacific retrogrades)
where below normal sea surface temperatures exist including a negative phase Pacific Decadal Oscillation (PDO) i.e. the potential forward slowing due to local surface heating is reduced therefore the quicker arriving QPF in the GFS solution may not be that far off if development much closer to our forecast area verifies. The northern hemispheric pattern remains active with the current number of long wave troughs reflecting a winter-like circulation.
Stay tuned to latest forecast updates, as currently advertised the official forecast shows potential for showery, cool weather this weekend. Planning travel to the mountains? This pattern has potential for snow accumulations, it's a good idea to monitor the latest forecasts. Per 30 year climatology we are of course past peak cool season rainfall, however it can still rain in May in the Bay Area and north Central Coast. Recalling a Lead Forecaster here years ago mentioned it's always a good idea to carry chains in case needed (for Sierra Nevada travel) through Memorial Day.
July climatologically is our driest time of year since by then the jet stream has reliably weakened and returned northward and high pressure often sets up.
AVIATION
(18Z TAFS)
Issued at 1220 PM PDT Tue Apr 30 2024
VFR conditions prevail through the TAF period. However, strong and gusty winds will be the main concern through the late evening today.
Winds increase out of the W/NW to become sustained generally around 15-20 knots into the afternoon today, with gusts in the 25-30 kt range. The one exception to prevailing gusty conditions this afternoon will likely be Monterey Bay terminals, though they will still see winds nearing 15 kts. One thing to keep an eye on will be whether winds at KSFO strengthen above the forecast 30 kt gusts. Will expand more on this in their discussion section.
Into the late night tonight, winds slowly ease near the surface, but in the mid levels (1500+ feet), winds turn more northerly and increase to around 25-30 kts on average, with select terminals seeing stronger winds. This will introduce directional and speed shear for most terminals tonight, especially the North Bay. It is not until the mid to late morning of Wednesday that wind shear diminishes.
Vicinity of SFO...VFR through the TAF period, with the terminal seeing strong and gusty winds out of the W/NW. Current thought is that wind gusts will stay contained to around 30 kt this afternoon and not exceed or reach AWW criteria (35 kt). As it currently stands, high resolution models have the mean (50th percentile) wind gusts this afternoon at KSFO at 25 kts, with the higher end (90th percentile) only reaching 28 kts around the time for strongest winds near 01Z. However, current SFO-ACV gradient is stronger now than at this same time yesterday. Therefore, moderate confidence in wind gusts not exceeding 30 kt at KSFO this afternoon. If the gradient continues to strengthen, gusts may increase beyond 30 knots. This will be something to watch closely over the next few hours.
SFO Bridge Approach...Similar to SFO.
Monterey Bay Terminals...VFR through the TAF period. Winds out of the NW and moderate around 12-15 knots. Some higher gusts are possible, though do not look to be as prevailing compared to terminals to the north. Winds ease into the late night to below 10 knots.
MARINE
(Tonight through next Sunday)
Issued at 1220 PM PDT Tue Apr 30 2024
Strong winds persist through Friday, with gale force gusts of 40 to 45 knots are possible over the outer waters and portions of the immediate coast near Point Reyes and Point Sur through much of the week. The strong winds will result in hazardous seas and steep wind waves with significant wave heights reaching 10 to 14 feet in the outer waters. Conditions will gradually improve over the weekend and into next week as winds begin to ease. Chances of rain begin early Saturday as a trough descends over the region.
MTR WATCHES/WARNINGS/ADVISORIES
CA...None.
PZ...Small Craft Advisory until 3 AM PDT Wednesday for SF Bay N of Bay Bridge.
Small Craft Advisory until 3 AM PDT Wednesday for Mry Bay.
Small Craft Advisory from 9 AM to 9 PM PDT Wednesday for Mry Bay.
Gale Warning until 3 AM PDT Wednesday for Pt Arena to Pt Reyes 0- 10 nm-Pt Reyes to Pigeon Pt 0-10 nm.
Small Craft Advisory until 3 PM PDT this afternoon for Pigeon Pt to Pt Pinos 0-10 nm.
Gale Warning until 9 PM PDT this evening for Pigeon Pt to Pt Pinos 0-10 nm.
Gale Warning until 3 AM PDT Thursday for Pt Arena to Pt Reyes 10- 60 NM-Pt Pinos to Pt Piedras Blancas 0-10 nm.
Gale Warning until 9 AM PDT Thursday for Pigeon Pt to Pt Pinos 10-60 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 | 61 min | WSW 14G22 | 10 sm | Clear | 66°F | 43°F | 43% | 30.01 | |
| KSFO SAN FRANCISCO INTL,CA | 14 sm | 58 min | W 18G23 | 10 sm | Clear | 64°F | 43°F | 45% | 30.02 | |
| KHWD HAYWARD EXECUTIVE,CA | 21 sm | 60 min | W 13 | 10 sm | Clear | 66°F | 45°F | 46% | 30.00 | |
| KHAF HALF MOON BAY,CA | 22 sm | 19 min | NNW 19G24 | 5 sm | Clear | Haze | 55°F | 48°F | 77% | 30.03 |
| KDVO GNOSS FIELD,CA | 23 sm | 19 min | SW 13 | 10 sm | Clear | 68°F | 46°F | 46% | 29.97 | |
| KCCR BUCHANAN FIELD,CA | 24 sm | 61 min | NW 10 | 10 sm | Clear | 73°F | 39°F | 29% | 29.97 | |
| KSQL SAN CARLOS,CA | 24 sm | 67 min | WNW 19 | 10 sm | Clear | 68°F | 41°F | 37% | 30.01 |
San Francisco
Click for Map
Tue -- 02:02 AM PDT Moonrise
Tue -- 04:03 AM PDT 5.17 feet High Tide
Tue -- 06:14 AM PDT Sunrise
Tue -- 11:20 AM PDT -0.48 feet Low Tide
Tue -- 11:30 AM PDT Moonset
Tue -- 07:21 PM PDT 4.29 feet High Tide
Tue -- 08:00 PM PDT Sunset
Tue -- 11:44 PM PDT 3.29 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Tue -- 02:02 AM PDT Moonrise
Tue -- 04:03 AM PDT 5.17 feet High Tide
Tue -- 06:14 AM PDT Sunrise
Tue -- 11:20 AM PDT -0.48 feet Low Tide
Tue -- 11:30 AM PDT Moonset
Tue -- 07:21 PM PDT 4.29 feet High Tide
Tue -- 08:00 PM PDT Sunset
Tue -- 11:44 PM PDT 3.29 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
San Francisco, California, Tide feet
| 12 am |
| 3.8 |
| 1 am |
| 4.2 |
| 2 am |
| 4.6 |
| 3 am |
| 5 |
| 4 am |
| 5.2 |
| 5 am |
| 5 |
| 6 am |
| 4.4 |
| 7 am |
| 3.3 |
| 8 am |
| 2.1 |
| 9 am |
| 0.9 |
| 10 am |
| -0 |
| 11 am |
| -0.5 |
| 12 pm |
| -0.4 |
| 1 pm |
| 0.1 |
| 2 pm |
| 0.8 |
| 3 pm |
| 1.7 |
| 4 pm |
| 2.6 |
| 5 pm |
| 3.4 |
| 6 pm |
| 4 |
| 7 pm |
| 4.3 |
| 8 pm |
| 4.2 |
| 9 pm |
| 4 |
| 10 pm |
| 3.6 |
| 11 pm |
| 3.4 |
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
Tue -- 12:22 AM PDT 0.00 knots Slack
Tue -- 02:02 AM PDT Moonrise
Tue -- 03:22 AM PDT 1.16 knots Max Flood
Tue -- 05:39 AM PDT -0.00 knots Slack
Tue -- 06:14 AM PDT Sunrise
Tue -- 09:56 AM PDT -2.67 knots Max Ebb
Tue -- 11:29 AM PDT Moonset
Tue -- 01:47 PM PDT 0.00 knots Slack
Tue -- 05:00 PM PDT 2.53 knots Max Flood
Tue -- 08:00 PM PDT Sunset
Tue -- 08:40 PM PDT -0.00 knots Slack
Tue -- 10:55 PM PDT -0.99 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Tue -- 12:22 AM PDT 0.00 knots Slack
Tue -- 02:02 AM PDT Moonrise
Tue -- 03:22 AM PDT 1.16 knots Max Flood
Tue -- 05:39 AM PDT -0.00 knots Slack
Tue -- 06:14 AM PDT Sunrise
Tue -- 09:56 AM PDT -2.67 knots Max Ebb
Tue -- 11:29 AM PDT Moonset
Tue -- 01:47 PM PDT 0.00 knots Slack
Tue -- 05:00 PM PDT 2.53 knots Max Flood
Tue -- 08:00 PM PDT Sunset
Tue -- 08:40 PM PDT -0.00 knots Slack
Tue -- 10:55 PM PDT -0.99 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 |
| -0.1 |
| 1 am |
| 0.3 |
| 2 am |
| 0.8 |
| 3 am |
| 1.1 |
| 4 am |
| 1.1 |
| 5 am |
| 0.5 |
| 6 am |
| -0.2 |
| 7 am |
| -0.9 |
| 8 am |
| -1.7 |
| 9 am |
| -2.4 |
| 10 am |
| -2.7 |
| 11 am |
| -2.3 |
| 12 pm |
| -1.5 |
| 1 pm |
| -0.7 |
| 2 pm |
| 0.2 |
| 3 pm |
| 1.4 |
| 4 pm |
| 2.3 |
| 5 pm |
| 2.5 |
| 6 pm |
| 2.3 |
| 7 pm |
| 1.7 |
| 8 pm |
| 0.8 |
| 9 pm |
| -0.3 |
| 10 pm |
| -0.8 |
| 11 pm |
| -1 |
San Francisco Bay Area, CA,
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