Sunset Series Race showing SpinnakersDelta at SunsetPower Boatsail to top of mastMetridium on starboard tack.  Port Bow.winch grindingChildren with life jacketsSan Mateo Bridge with sailboatsSYC Cruise-Out to CPYCSan Mateo Bridge with Sunset and SailboatSailing past Farallons with spinnakerMetridium on port tack.  Looking at Starboard bowRaft up at PetalumaFishing at the Delta

Racing Marks

This page is updated with the new mark positions as of November 2017.

Sequoia YC Mark Locations

Sequoia YC Marks

Mark Description Degrees, Minutes, Seconds  Degree, Decimal Minutes
S/F mark 20 Redwood Creek red day mark 20 37° 30' 35.49"N 122° 12' 47.93"W 37° 30.592' N 122° 12.799' W
S/F dolphin dolphin mark at SW end of Wharf #4 37° 30' 32.97"N 122° 12' 42.68"W 37° 30.550' N 122° 12.711' W
2 red navigational buoy marking the end of redwood creek 37° 33' 10.29"N 122° 11' 46.66"W 37° 33.172' N 122° 11.778' W
3 green day mark marking the end of redwood creek 37° 32' 59.78"N 122° 11' 36.11"W 37° 32.996' N 122° 11.602' W
4 red day mark 37° 32' 49.54"N 122° 11' 42.42"W 37° 32.826' N 122° 11.707' W
12 red day mark 37° 33' 35.29"N 122° 12' 37.86"W 37° 33.588' N 122° 12.631' W
B green navigational buoy located at south entrance to San Mateo bridge 37° 34' 57.38"N 122° 14' 52.72"W 37° 34.956' N 122° 14.879' W
E yellow collar buoy marked 'E' 37° 34' 50.10"N 122° 13' 04.92"W 37° 34.835' N 122° 13.082' W
O non-existant yellow collar buoy marked 'O' Off Station Off Station
S yellow collar buoy marked 'S' 37° 33’ 57.54”N 122° 13’ 43.38"W 37° 33.959' N 122° 13.723' W
X yellow collar buoy marked 'X' 37° 34’ 29.76”N 122° 11’ 55.56"W 37° 34.496' N 122° 11.926' W
Y yellow collar buoy marked 'Y' 37° 32’ 35.34”N 122° 09’ 58.92"W 37° 32.589' N 122° 09.982' W
5 green day mark 37° 38' 35.80"N 122° 18' 46.02"W 37° 38.597' N 122° 18.767' W
6 red day mark 37° 38' 33.96"N 122° 18' 53.83"W 37° 38.566' N 122° 18.897' W
8 red day mark 37° 36' 16.71"N 122° 17' 29.05"W 37° 36.279' N 122° 17.484' W
14 red day mark 37° 30' 48.03"N 122° 07' 55.59"W 37° 30.801' N 122° 07.927' W

GPX File of SeqYC marks (use .gpx extension when saving)

Intermark Distances and Bearings