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
#Cherry Point, WA : 10/17/2026 03:21:56 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/15 12Z,   0.20,   1.94,   1.78,  99.90,  -0.36,
10/15 13Z,   0.20,   3.75,   3.49,  99.90,  -0.46,
10/15 14Z,   0.20,   5.60,   5.26,  99.90,  -0.54,
10/15 15Z,   0.20,   7.24,   6.90,  99.90,  -0.54,
10/15 16Z,   0.20,   8.42,   8.05,  99.90,  -0.57,
10/15 17Z,   0.20,   8.99,   8.65,  99.90,  -0.54,  (max)
10/15 18Z,   0.20,   9.00,   8.64,  99.90,  -0.56,
10/15 19Z,   0.20,   8.58,   8.24,  99.90,  -0.54,
10/15 20Z,   0.20,   7.97,   7.58,  99.90,  -0.59,
10/15 21Z,   0.20,   7.37,   7.07,  99.90,  -0.50,
10/15 22Z,   0.20,   6.99,   6.70,  99.90,  -0.49,
10/15 23Z,   0.20,   6.89,   6.63,  99.90,  -0.46,  (min)
10/16 00Z,   0.20,   7.03,   6.79,  99.90,  -0.44,
10/16 01Z,   0.20,   7.24,   7.03,  99.90,  -0.41,
10/16 02Z,   0.20,   7.32,   7.22,  99.90,  -0.30,  (max)
10/16 03Z,   0.20,   7.13,   7.07,  99.90,  -0.26,
10/16 04Z,   0.20,   6.54,   6.53,  99.90,  -0.21,
10/16 05Z,   0.20,   5.51,   5.49,  99.90,  -0.22,
10/16 06Z,   0.30,   4.12,   4.12,  99.90,  -0.30,
10/16 07Z,   0.30,   2.59,   2.66,  99.90,  -0.23,
10/16 08Z,   0.30,   1.19,   1.32,  99.90,  -0.17,
10/16 09Z,   0.30,   0.19,   0.28,  99.90,  -0.21,
10/16 10Z,   0.30,  -0.21,  -0.13,  99.90,  -0.22,  (min)
10/16 11Z,   0.30,   0.10,   0.22,  99.90,  -0.18,
10/16 12Z,   0.30,   1.08,   1.22,  99.90,  -0.16,
10/16 13Z,   0.40,   2.54,   2.67,  99.90,  -0.27,
10/16 14Z,   0.40,   4.23,   4.36,  99.90,  -0.27,
10/16 15Z,   0.40,   5.90,   5.99,  99.90,  -0.31,
10/16 16Z,   0.40,   7.34,   7.48,  99.90,  -0.26,
10/16 17Z,   0.40,   8.35,   8.41,  99.90,  -0.34,
10/16 18Z,   0.50,   8.83,   8.93,  99.90,  -0.40,  (max)
10/16 19Z,   0.50,   8.81,   8.91,  99.90,  -0.40,
10/16 20Z,   0.50,   8.45,   8.52,  99.90,  -0.43,
10/16 21Z,   0.50,   7.93,   8.02,  99.90,  -0.41,
10/16 22Z,   0.50,   7.42,   7.51,  99.90,  -0.41,
10/16 23Z,   0.50,   7.07,   7.24,  99.90,  -0.33,
10/17 00Z,   0.60,   6.93,   7.14,  99.90,  -0.39,  (min)
10/17 01Z,   0.60,   6.96,   7.16,  99.90,  -0.40,
10/17 02Z,   0.60,   7.00,   7.26,  99.90,  -0.34,  (max)
10/17 03Z,   0.60,   6.91,   7.24,  99.90,  -0.27,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/17 04Z,   0.70,   6.59,  99.90,   7.01,  -0.28,
10/17 05Z,   0.70,   5.94,  99.90,   6.34,  -0.30,
10/17 06Z,   0.70,   4.94,  99.90,   5.33,  -0.31,
10/17 07Z,   0.70,   3.68,  99.90,   4.05,  -0.32,
10/17 08Z,   0.70,   2.36,  99.90,   2.72,  -0.34,
10/17 09Z,   0.70,   1.22,  99.90,   1.57,  -0.35,
10/17 10Z,   0.70,   0.46,  99.90,   0.79,  -0.36,
10/17 11Z,   0.80,   0.24,  99.90,   0.66,  -0.38,  (min)
10/17 12Z,   0.80,   0.64,  99.90,   1.05,  -0.39,
10/17 13Z,   0.80,   1.61,  99.90,   2.01,  -0.40,
10/17 14Z,   0.80,   2.97,  99.90,   3.35,  -0.42,
10/17 15Z,   0.80,   4.51,  99.90,   4.88,  -0.43,
10/17 16Z,   0.80,   6.02,  99.90,   6.39,  -0.43,
10/17 17Z,   0.80,   7.31,  99.90,   7.68,  -0.43,
10/17 18Z,   0.80,   8.21,  99.90,   8.58,  -0.43,
10/17 19Z,   0.80,   8.64,  99.90,   9.01,  -0.43,
10/17 20Z,   0.80,   8.64,  99.90,   9.01,  -0.43,  (max)
10/17 21Z,   0.70,   8.33,  99.90,   8.60,  -0.43,
10/17 22Z,   0.70,   7.85,  99.90,   8.12,  -0.43,
10/17 23Z,   0.70,   7.35,  99.90,   7.63,  -0.43,
10/18 00Z,   0.60,   6.97,  99.90,   7.14,  -0.43,
10/18 01Z,   0.60,   6.75,  99.90,   6.92,  -0.43,
10/18 02Z,   0.60,   6.66,  99.90,   6.83,  -0.43,
10/18 03Z,   0.60,   6.59,  99.90,   6.76,  -0.43,
10/18 04Z,   0.50,   6.43,  99.90,   6.50,  -0.43,
10/18 05Z,   0.50,   6.09,  99.90,   6.16,  -0.43,
10/18 06Z,   0.50,   5.50,  99.90,   5.57,  -0.43,
10/18 07Z,   0.50,   4.62,  99.90,   4.69,  -0.43,
10/18 08Z,   0.40,   3.54,  99.90,   3.51,  -0.43,
10/18 09Z,   0.40,   2.43,  99.90,   2.40,  -0.43,
10/18 10Z,   0.40,   1.48,  99.90,   1.45,  -0.43,
10/18 11Z,   0.40,   0.86,  99.90,   0.83,  -0.43,
10/18 12Z,   0.40,   0.71,  99.90,   0.68,  -0.43,  (min)
10/18 13Z,   0.40,   1.10,  99.90,   1.07,  -0.43,
10/18 14Z,   0.30,   2.00,  99.90,   1.87,  -0.43,
10/18 15Z,   0.30,   3.25,  99.90,   3.12,  -0.43,
10/18 16Z,   0.30,   4.66,  99.90,   4.53,  -0.43,
10/18 17Z,   0.30,   6.06,  99.90,   5.93,  -0.43,
10/18 18Z,   0.40,   7.27,  99.90,   7.24,  -0.43,
10/18 19Z,   0.40,   8.11,  99.90,   8.09,  -0.43,
10/18 20Z,   0.40,   8.52,  99.90,   8.49,  -0.43,  (max)
10/18 21Z,   0.40,   8.52,  99.90,   8.49,  -0.43,
10/18 22Z,   0.40,   8.20,  99.90,   8.17,  -0.43,
10/18 23Z,   0.40,   7.69,  99.90,   7.66,  -0.43,
10/19 00Z,   0.40,   7.12,  99.90,   7.09,  -0.43,
10/19 01Z,   0.40,   6.65,  99.90,   6.62,  -0.43,
10/19 02Z,   0.50,   6.34,  99.90,   6.41,  -0.43,
10/19 03Z,   0.50,   6.18,  99.90,   6.25,  -0.43,
10/19 04Z,   0.50,   6.08,  99.90,   6.15,  -0.43,
10/19 05Z,   0.50,   5.96,  99.90,   6.03,  -0.43,
10/19 06Z,   0.50,   5.72,  99.90,   5.79,  -0.43,
10/19 07Z,   0.60,   5.27,  99.90,   5.44,  -0.43,
10/19 08Z,   0.60,   4.56,  99.90,   4.73,  -0.43,
10/19 09Z,   0.60,   3.66,  99.90,   3.83,  -0.43,
10/19 10Z,   0.60,   2.71,  99.90,   2.88,  -0.43,
10/19 11Z,   0.60,   1.86,  99.90,   2.03,  -0.43,
10/19 12Z,   0.70,   1.28,  99.90,   1.55,  -0.43,
10/19 13Z,   0.70,   1.12,  99.90,   1.39,  -0.43,  (min)
10/19 14Z,   0.70,   1.47,  99.90,   1.74,  -0.43,
10/19 15Z,   0.70,   2.30,  99.90,   2.57,  -0.43,
10/19 16Z,   0.70,   3.47,  99.90,   3.74,  -0.43,
10/19 17Z,   0.70,   4.83,  99.90,   5.10,  -0.43,
10/19 18Z,   0.70,   6.19,  99.90,   6.46,  -0.43,
10/19 19Z,   0.70,   7.35,  99.90,   7.63,  -0.43,
10/19 20Z,   0.70,   8.16,  99.90,   8.43,  -0.43,
10/19 21Z,   0.80,   8.51,  99.90,   8.88,  -0.43,  (max)
10/19 22Z,   0.80,   8.43,  99.90,   8.80,  -0.43,
10/19 23Z,   0.70,   7.99,  99.90,   8.27,  -0.43,
10/20 00Z,   0.80,   7.34,  99.90,   7.71,  -0.43,
10/20 01Z,   0.80,   6.64,  99.90,   7.01,  -0.43,
10/20 02Z,   0.70,   6.06,  99.90,   6.33,  -0.43,
10/20 03Z,   0.70,   5.70,  99.90,   5.97,  -0.43,
10/20 04Z,   0.70,   5.55,  99.90,   5.83,  -0.43,
10/20 05Z,   0.70,   5.54,  99.90,   5.81,  -0.43,  (min)
10/20 06Z,   0.70,   5.57,  99.90,   5.84,  -0.43,  (max)
10/20 07Z,   0.70,   5.52,  99.90,   5.79,  -0.43,
10/20 08Z,   0.70,   5.26,  99.90,   5.53,  -0.43,
10/20 09Z,   0.70,   4.74,  99.90,   5.01,  -0.43,
10/20 10Z,   0.70,   3.98,  99.90,   4.25,  -0.43,
10/20 11Z,   0.70,   3.11,  99.90,   3.38,  -0.43,
10/20 12Z,   0.70,   2.28,  99.90,   2.55,  -0.43,
10/20 13Z,   0.70,   1.67,  99.90,   1.95,  -0.43,
10/20 14Z,   0.60,   1.48,  99.90,   1.65,  -0.43,  (min)
10/20 15Z,   0.60,   1.80,  99.90,   1.98,  -0.43,
10/20 16Z,   0.60,   2.62,  99.90,   2.80,  -0.43,
10/20 17Z,   0.60,   3.80,  99.90,   3.97,  -0.43,
10/20 18Z,   0.60,   5.16,  99.90,   5.33,  -0.43,
10/20 19Z,  99.90,   6.51,  99.90,  99.90,  -0.43,
10/20 20Z,  99.90,   7.63,  99.90,  99.90,  -0.43,
10/20 21Z,  99.90,   8.33,  99.90,  99.90,  -0.43,
10/20 22Z,  99.90,   8.52,  99.90,  99.90,  -0.43,
10/20 23Z,  99.90,   8.23,  99.90,  99.90,  -0.43,
10/21 00Z,  99.90,   7.57,  99.90,  99.90,  -0.43,