EXTRA-TROPICAL  STORM  SURGE
N A T I O N A L    O C E A N I C    A N D    A T M O S P H E R I C    A D M I N I S T R A T I O N

  • This website is considered EXPERIMENTAL, is supported on an 8x5 basis, and has no guarantee of availability.
  • The data located HERE are considered OPERATIONAL and are supported on a 24x7 basis.
About
Manual
Disclaimer
Manual
Datum
hat-on
mhhw-on
msl-on
mllw-on
Regions
Northeast
Mid-Atlantic
Southeast
Gulf
Northwest
Alaska
Gulf of Alaska
Status
Stations
Cherry Point, WA
Friday Harbor WA
Port Townsend
Seattle, WA
Port Angeles, WA
Neah Bay, WA
Toke Point, WA
Astoria, OR
South Beach, OR
Charleston, OR
Port Orford, OR
Crescent City, CA
North Spit, CA
Arena Cove, CA
Point Reyes, CA
Port Chicago, CA
San Francisco CA
Surge List
West Coast
#Arena Cove, CA : 10/06/2026 20:21:03 GMT (units in feet MSL)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/05 00Z,   1.00,   2.26,   3.22,  99.90,  -0.04,
10/05 01Z,   1.10,   2.44,   3.38,  99.90,  -0.16,  (max)
10/05 02Z,   1.10,   2.20,   3.15,  99.90,  -0.15,
10/05 03Z,   1.00,   1.53,   2.51,  99.90,  -0.02,
10/05 04Z,   1.00,   0.50,   1.51,  99.90,   0.01,
10/05 05Z,   1.00,  -0.71,   0.30,  99.90,   0.01,
10/05 06Z,   1.10,  -1.89,  -0.83,  99.90,  -0.04,
10/05 07Z,   1.00,  -2.81,  -1.80,  99.90,   0.01,
10/05 08Z,   1.10,  -3.29,  -2.34,  99.90,  -0.15,
10/05 09Z,   1.10,  -3.26,  -2.35,  99.90,  -0.19,  (min)
10/05 10Z,   1.10,  -2.72,  -1.89,  99.90,  -0.27,
10/05 11Z,   1.00,  -1.82,  -0.97,  99.90,  -0.15,
10/05 12Z,   1.00,  -0.73,   0.13,  99.90,  -0.14,
10/05 13Z,   1.10,   0.29,   1.11,  99.90,  -0.28,
10/05 14Z,   1.10,   1.06,   1.89,  99.90,  -0.27,
10/05 15Z,   1.00,   1.45,   2.34,  99.90,  -0.11,  (max)
10/05 16Z,   1.00,   1.42,   2.33,  99.90,  -0.09,
10/05 17Z,   1.10,   1.05,   1.93,  99.90,  -0.22,
10/05 18Z,   1.00,   0.50,   1.38,  99.90,  -0.12,
10/05 19Z,   1.00,  -0.03,   0.83,  99.90,  -0.14,
10/05 20Z,   1.00,  -0.35,   0.48,  99.90,  -0.17,  (min)
10/05 21Z,   1.00,  -0.35,   0.49,  99.90,  -0.16,
10/05 22Z,   1.00,   0.01,   0.84,  99.90,  -0.17,
10/05 23Z,   1.00,   0.64,   1.48,  99.90,  -0.16,
10/06 00Z,   1.00,   1.39,   2.23,  99.90,  -0.16,
10/06 01Z,   1.10,   2.03,   2.89,  99.90,  -0.24,
10/06 02Z,   1.10,   2.37,   3.34,  99.90,  -0.13,  (max)
10/06 03Z,   1.00,   2.26,   3.27,  99.90,   0.01,
10/06 04Z,   1.10,   1.67,   2.66,  99.90,  -0.11,
10/06 05Z,   1.10,   0.66,   1.72,  99.90,  -0.04,
10/06 06Z,   1.10,  -0.57,   0.44,  99.90,  -0.09,
10/06 07Z,   1.10,  -1.79,  -0.76,  99.90,  -0.07,
10/06 08Z,   1.10,  -2.74,  -1.79,  99.90,  -0.15,
10/06 09Z,   1.10,  -3.23,  -2.28,  99.90,  -0.15,
10/06 10Z,   1.10,  -3.14,  -2.28,  99.90,  -0.24,  (min)
10/06 11Z,   1.10,  -2.52,  -1.64,  99.90,  -0.22,
10/06 12Z,   1.20,  -1.50,  -0.70,  99.90,  -0.40,
10/06 13Z,   1.20,  -0.32,   0.54,  99.90,  -0.34,
10/06 14Z,   1.20,   0.77,   1.60,  99.90,  -0.37,
10/06 15Z,   1.20,   1.53,   2.44,  99.90,  -0.29,
10/06 16Z,   1.20,   1.83,   2.77,  99.90,  -0.26,  (max)
10/06 17Z,   1.20,   1.63,   2.58,  99.90,  -0.25,
10/06 18Z,   1.10,   1.05,   2.01,  99.90,  -0.14,
10/06 19Z,   1.10,   0.27,   1.21,  99.90,  -0.16,
10/06 20Z,   1.20,  -0.46,   0.49,  99.90,  -0.25,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/06 21Z,   1.20,  -0.92,  99.90,   0.04,  -0.24,
10/06 22Z,   1.10,  -0.97,  99.90,  -0.10,  -0.23,  (min)
10/06 23Z,   1.20,  -0.57,  99.90,   0.41,  -0.22,
10/07 00Z,   1.20,   0.17,  99.90,   1.17,  -0.21,
10/07 01Z,   1.20,   1.07,  99.90,   2.07,  -0.20,
10/07 02Z,   1.20,   1.86,  99.90,   2.88,  -0.19,
10/07 03Z,   1.20,   2.33,  99.90,   3.35,  -0.18,  (max)
10/07 04Z,   1.20,   2.29,  99.90,   3.33,  -0.16,
10/07 05Z,   1.20,   1.72,  99.90,   2.77,  -0.15,
10/07 06Z,   1.20,   0.71,  99.90,   1.76,  -0.14,
10/07 07Z,   1.20,  -0.55,  99.90,   0.52,  -0.13,
10/07 08Z,   1.20,  -1.77,  99.90,  -0.69,  -0.12,
10/07 09Z,   1.20,  -2.68,  99.90,  -1.61,  -0.12,
10/07 10Z,   1.20,  -3.08,  99.90,  -2.00,  -0.12,  (min)
10/07 11Z,   1.20,  -2.86,  99.90,  -1.78,  -0.12,
10/07 12Z,   1.20,  -2.09,  99.90,  -1.01,  -0.12,
10/07 13Z,   1.20,  -0.94,  99.90,   0.14,  -0.12,
10/07 14Z,   1.20,   0.32,  99.90,   1.40,  -0.12,
10/07 15Z,   1.20,   1.40,  99.90,   2.47,  -0.12,
10/07 16Z,   1.20,   2.05,  99.90,   3.13,  -0.12,
10/07 17Z,   1.20,   2.15,  99.90,   3.22,  -0.12,  (max)
10/07 18Z,   1.20,   1.70,  99.90,   2.77,  -0.12,
10/07 19Z,   1.10,   0.84,  99.90,   1.82,  -0.12,
10/07 20Z,   1.20,  -0.17,  99.90,   0.91,  -0.12,
10/07 21Z,   1.20,  -1.06,  99.90,   0.02,  -0.12,
10/07 22Z,   1.20,  -1.58,  99.90,  -0.50,  -0.12,
10/07 23Z,   1.20,  -1.60,  99.90,  -0.52,  -0.12,  (min)
10/08 00Z,   1.20,  -1.10,  99.90,  -0.02,  -0.12,
10/08 01Z,   1.20,  -0.21,  99.90,   0.87,  -0.12,
10/08 02Z,   1.20,   0.84,  99.90,   1.91,  -0.12,
10/08 03Z,   1.20,   1.75,  99.90,   2.82,  -0.12,
10/08 04Z,   1.20,   2.27,  99.90,   3.35,  -0.12,  (max)
10/08 05Z,   1.20,   2.25,  99.90,   3.33,  -0.12,
10/08 06Z,   1.20,   1.66,  99.90,   2.74,  -0.12,
10/08 07Z,   1.20,   0.62,  99.90,   1.70,  -0.12,
10/08 08Z,   1.20,  -0.62,  99.90,   0.45,  -0.12,
10/08 09Z,   1.20,  -1.78,  99.90,  -0.70,  -0.12,
10/08 10Z,   1.20,  -2.57,  99.90,  -1.49,  -0.12,
10/08 11Z,   1.20,  -2.78,  99.90,  -1.70,  -0.12,  (min)
10/08 12Z,   1.30,  -2.37,  99.90,  -1.19,  -0.12,
10/08 13Z,   1.20,  -1.43,  99.90,  -0.35,  -0.12,
10/08 14Z,   1.30,  -0.17,  99.90,   1.00,  -0.12,
10/08 15Z,   1.30,   1.08,  99.90,   2.26,  -0.12,
10/08 16Z,   1.30,   2.04,  99.90,   3.22,  -0.12,
10/08 17Z,   1.20,   2.48,  99.90,   3.56,  -0.12,  (max)
10/08 18Z,   1.20,   2.29,  99.90,   3.37,  -0.12,
10/08 19Z,   1.20,   1.54,  99.90,   2.62,  -0.12,
10/08 20Z,   1.20,   0.43,  99.90,   1.51,  -0.12,
10/08 21Z,   1.20,  -0.77,  99.90,   0.31,  -0.12,
10/08 22Z,   1.30,  -1.74,  99.90,  -0.56,  -0.12,
10/08 23Z,   1.30,  -2.23,  99.90,  -1.06,  -0.12,  (min)
10/09 00Z,   1.30,  -2.14,  99.90,  -0.97,  -0.12,
10/09 01Z,   1.30,  -1.49,  99.90,  -0.31,  -0.12,
10/09 02Z,   1.30,  -0.45,  99.90,   0.73,  -0.12,
10/09 03Z,   1.30,   0.70,  99.90,   1.88,  -0.12,
10/09 04Z,   1.30,   1.66,  99.90,   2.84,  -0.12,
10/09 05Z,   1.30,   2.18,  99.90,   3.36,  -0.12,  (max)
10/09 06Z,   1.30,   2.12,  99.90,   3.30,  -0.12,
10/09 07Z,   1.30,   1.49,  99.90,   2.66,  -0.12,
10/09 08Z,   1.30,   0.44,  99.90,   1.62,  -0.12,
10/09 09Z,   1.30,  -0.74,  99.90,   0.44,  -0.12,
10/09 10Z,   1.30,  -1.75,  99.90,  -0.57,  -0.12,
10/09 11Z,   1.40,  -2.33,  99.90,  -1.05,  -0.12,
10/09 12Z,   1.30,  -2.31,  99.90,  -1.13,  -0.12,  (min)
10/09 13Z,   1.30,  -1.69,  99.90,  -0.51,  -0.12,
10/09 14Z,   1.40,  -0.60,  99.90,   0.68,  -0.12,
10/09 15Z,   1.30,   0.68,  99.90,   1.86,  -0.12,
10/09 16Z,   1.30,   1.83,  99.90,   3.01,  -0.12,
10/09 17Z,   1.30,   2.57,  99.90,   3.75,  -0.12,
10/09 18Z,   1.30,   2.71,  99.90,   3.89,  -0.12,  (max)
10/09 19Z,   1.30,   2.20,  99.90,   3.38,  -0.12,
10/09 20Z,   1.30,   1.16,  99.90,   2.33,  -0.12,
10/09 21Z,   1.30,  -0.17,  99.90,   1.01,  -0.12,
10/09 22Z,   1.30,  -1.45,  99.90,  -0.28,  -0.12,
10/09 23Z,   1.30,  -2.40,  99.90,  -1.22,  -0.12,
10/10 00Z,   1.30,  -2.78,  99.90,  -1.61,  -0.12,  (min)
10/10 01Z,   1.30,  -2.53,  99.90,  -1.35,  -0.12,
10/10 02Z,   1.30,  -1.71,  99.90,  -0.53,  -0.12,
10/10 03Z,   1.30,  -0.55,  99.90,   0.63,  -0.12,
10/10 04Z,   1.30,   0.65,  99.90,   1.83,  -0.12,
10/10 05Z,   1.30,   1.59,  99.90,   2.77,  -0.12,
10/10 06Z,   1.30,   2.04,  99.90,   3.22,  -0.12,  (max)
10/10 07Z,   1.30,   1.90,  99.90,   3.08,  -0.12,
10/10 08Z,   1.30,   1.23,  99.90,   2.41,  -0.12,
10/10 09Z,   1.30,   0.23,  99.90,   1.41,  -0.12,
10/10 10Z,   1.30,  -0.82,  99.90,   0.36,  -0.12,
10/10 11Z,   1.30,  -1.62,  99.90,  -0.44,  -0.12,
10/10 12Z,   1.20,  -1.94,  99.90,  -0.86,  -0.12,