Half moon bay
NDBC buoy 46012
Observed , 58 minutes ago
Hazardous
Tonight
Small Craft Advisory in effect. Moderate NW winds at 16 kn gusting to 17 kn, building. Rough seas at 6 ft with 12 second dominant period. Pressure falling at 1,012.8 mbar. Water 59°F, air 58°F. Tonight: NW Wind 15 To 20 Kt With Gusts Up To 25 Kt.
It tells you it is rough now. The app tells you before it gets rough, with alerts at the wind and wave limits you set.
Get Buoycast for iPhoneSmall Craft Advisory
Small Craft Advisory issued September 23 at 2:47PM PDT until September 24 at 3:00AM PDT by NWS San Francisco CA
* WHAT...Northwest winds 10 to 20 kt with gusts up to 25 kt. * WHERE...Waters from Point Reyes to Pigeon Point 10-60 NM. * WHEN...Until 3 AM PDT Thursday. * IMPACTS...Conditions will be hazardous to small craft.
Pro also pushes NOAA watches, warnings, and advisories when they are issued.
Get Buoycast for iPhoneWind
Speed
16kn
Gust
17kn
Direction
320° NW
Trend
Rising
Last 11 hours7.8 to 16 kn
Waves
5.9ft
Period
12 s
Last 11 hours5.6 to 7.6 ft
Air temp
58°F
55 to 58°F today
Water temp
59°F
59 to 60°F today
Pressure
1013mbar
Tendency
Easing
3 hour change
-1.4 mbar
Last 11 hours1013 to 1015 mbar
Zone forecast
Tonight
NW Wind 15 To 20 Kt With Gusts Up To 25 Kt. Seas 7 To 9 Ft. Wave Detail: NW 9 Ft At 9 Seconds And SW 2 Ft At 15 Seconds.
Thu
NW Wind 15 To 20 Kt, Easing To 10 To 15 Kt In The Afternoon. Seas 6 To 8 Ft. Wave Detail: NW 8 Ft At 10 Seconds And SW 2 Ft At 14 Seconds.
Thu Night
NW Wind Around 15 Kt. Seas 6 To 7 Ft. Wave Detail: NW 7 Ft At 10 Seconds And SW 2 Ft At 13 Seconds.
Synopsis
Greater Farallones...and Cordell Bank National Marine Sanctuaries...
NWS zone Waters from Point Reyes to Pigeon Point 10-60 NM
Last 24 hours
Every 3 hours, over the last 12 hours. Air 55 to 58°F, water 59 to 60°F, pressure 1,013 to 1,015 mbar over the same window.
1 station within 30 NM
These are your in one place. Save the ones you run and Buoycast opens on them.
Get Buoycast for iPhoneCommon questions
How often does buoy 46012 report?
Wind, temperature and pressure update about every 10 minutes. Wave height and period update about every 30 minutes.
Can I be notified when conditions change at buoy 46012?
Buoycast Pro lets you set your own limits on wind, waves or pressure and sends a threshold notification when this buoy crosses them.
Does this page show NOAA warnings for this area?
Watches, warnings, and advisories for Waters from Point Reyes to Pigeon Point 10-60 NM appear alongside the conditions, here and in the app. Pro also pushes NOAA watches, warnings, and advisories when they are issued.
Can I see the forecast against what buoy 46012 measured?
This page shows measurements only. Buoycast Pro charts the NOAA forecast against them so you can see where the two diverge.
Can I keep buoy 46012 for next time?
Save it as a favorite and Buoycast opens on the buoys you run.
Station 46012
37°21'22" N 122°52'52" W · 3D69 · owned and maintained by NDBC
Measured on the water by 1,000+ NOAA buoys. Observations from the National Data Buoy Center, forecasts and advisories from the National Weather Service. Not for navigation.