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
#North Spit, CA : 10/14/2026 22:22:48 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/13 06Z,   0.60,   2.64,   3.66,  99.90,   0.42,
10/13 07Z,   0.60,   3.97,   4.92,  99.90,   0.35,
10/13 08Z,   0.60,   5.02,   5.93,  99.90,   0.31,
10/13 09Z,   0.60,   5.57,   6.54,  99.90,   0.37,
10/13 10Z,   0.60,   5.52,   6.62,  99.90,   0.50,  (max)
10/13 11Z,   0.60,   4.98,   6.04,  99.90,   0.46,
10/13 12Z,   0.60,   4.18,   5.17,  99.90,   0.39,
10/13 13Z,   0.70,   3.38,   4.36,  99.90,   0.28,
10/13 14Z,   0.70,   2.86,   3.89,  99.90,   0.33,  (min)
10/13 15Z,   0.60,   2.86,   3.92,  99.90,   0.46,
10/13 16Z,   0.60,   3.44,   4.41,  99.90,   0.37,
10/13 17Z,   0.60,   4.44,   5.31,  99.90,   0.27,
10/13 18Z,   0.60,   5.54,   6.32,  99.90,   0.18,
10/13 19Z,   0.60,   6.47,   7.26,  99.90,   0.19,
10/13 20Z,   0.60,   7.03,   8.01,  99.90,   0.38,  (max)
10/13 21Z,   0.70,   7.03,   7.98,  99.90,   0.25,
10/13 22Z,   0.60,   6.38,   7.27,  99.90,   0.29,
10/13 23Z,   0.70,   5.13,   5.96,  99.90,   0.13,
10/14 00Z,   0.60,   3.54,   4.54,  99.90,   0.40,
10/14 01Z,   0.60,   1.91,   2.93,  99.90,   0.42,
10/14 02Z,   0.60,   0.57,   1.61,  99.90,   0.44,
10/14 03Z,   0.60,  -0.19,   0.71,  99.90,   0.30,
10/14 04Z,   0.50,  -0.18,   0.69,  99.90,   0.37,  (min)
10/14 05Z,   0.50,   0.53,   1.47,  99.90,   0.44,
10/14 06Z,   0.50,   1.68,   2.64,  99.90,   0.46,
10/14 07Z,   0.50,   2.95,   3.81,  99.90,   0.36,
10/14 08Z,   0.50,   4.11,   4.95,  99.90,   0.34,
10/14 09Z,   0.50,   4.97,   5.83,  99.90,   0.36,
10/14 10Z,   0.60,   5.34,   6.25,  99.90,   0.31,  (max)
10/14 11Z,   0.60,   5.21,   6.18,  99.90,   0.37,
10/14 12Z,   0.60,   4.70,   5.60,  99.90,   0.30,
10/14 13Z,   0.60,   4.06,   4.92,  99.90,   0.26,
10/14 14Z,   0.60,   3.50,   4.37,  99.90,   0.27,
10/14 15Z,   0.60,   3.24,   4.16,  99.90,   0.32,  (min)
10/14 16Z,   0.60,   3.45,   4.36,  99.90,   0.31,
10/14 17Z,   0.60,   4.12,   4.90,  99.90,   0.18,
10/14 18Z,   0.60,   5.04,   5.74,  99.90,   0.10,
10/14 19Z,   0.60,   5.93,   6.69,  99.90,   0.16,
10/14 20Z,   0.60,   6.59,   7.46,  99.90,   0.27,
10/14 21Z,   0.70,   6.85,   7.78,  99.90,   0.23,  (max)
10/14 22Z,   0.60,   6.59,   7.45,  99.90,   0.26,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/14 23Z,   0.60,   5.74,  99.90,   6.61,   0.26,
10/15 00Z,   0.70,   4.44,  99.90,   5.40,   0.27,
10/15 01Z,   0.70,   2.94,  99.90,   3.91,   0.27,
10/15 02Z,   0.60,   1.52,  99.90,   2.39,   0.27,
10/15 03Z,   0.60,   0.46,  99.90,   1.33,   0.28,
10/15 04Z,   0.60,  -0.02,  99.90,   0.86,   0.28,  (min)
10/15 05Z,   0.60,   0.19,  99.90,   1.07,   0.28,
10/15 06Z,   0.70,   0.97,  99.90,   1.95,   0.29,
10/15 07Z,   0.70,   2.04,  99.90,   3.03,   0.29,
10/15 08Z,   0.70,   3.16,  99.90,   4.15,   0.29,
10/15 09Z,   0.70,   4.14,  99.90,   5.13,   0.30,
10/15 10Z,   0.70,   4.82,  99.90,   5.82,   0.30,
10/15 11Z,   0.70,   5.08,  99.90,   6.08,   0.30,  (max)
10/15 12Z,   0.70,   4.93,  99.90,   5.92,   0.30,
10/15 13Z,   0.70,   4.51,  99.90,   5.51,   0.30,
10/15 14Z,   0.70,   4.04,  99.90,   5.04,   0.30,
10/15 15Z,   0.70,   3.70,  99.90,   4.69,   0.30,
10/15 16Z,   0.60,   3.63,  99.90,   4.53,   0.30,  (min)
10/15 17Z,   0.70,   3.95,  99.90,   4.94,   0.30,
10/15 18Z,   0.60,   4.60,  99.90,   5.50,   0.30,
10/15 19Z,   0.70,   5.37,  99.90,   6.37,   0.30,
10/15 20Z,   0.70,   6.04,  99.90,   7.04,   0.30,
10/15 21Z,   0.70,   6.45,  99.90,   7.45,   0.30,
10/15 22Z,   0.70,   6.50,  99.90,   7.50,   0.30,  (max)
10/15 23Z,   0.70,   6.07,  99.90,   7.07,   0.30,
10/16 00Z,   0.80,   5.16,  99.90,   6.25,   0.30,
10/16 01Z,   0.70,   3.90,  99.90,   4.90,   0.30,
10/16 02Z,   0.70,   2.56,  99.90,   3.56,   0.30,
10/16 03Z,   0.70,   1.38,  99.90,   2.38,   0.30,
10/16 04Z,   0.70,   0.56,  99.90,   1.56,   0.30,
10/16 05Z,   0.60,   0.28,  99.90,   1.18,   0.30,  (min)
10/16 06Z,   0.70,   0.59,  99.90,   1.59,   0.30,
10/16 07Z,   0.70,   1.34,  99.90,   2.34,   0.30,
10/16 08Z,   0.70,   2.29,  99.90,   3.29,   0.30,
10/16 09Z,   0.70,   3.25,  99.90,   4.24,   0.30,
10/16 10Z,   0.70,   4.08,  99.90,   5.08,   0.30,
10/16 11Z,   0.70,   4.65,  99.90,   5.65,   0.30,
10/16 12Z,   0.70,   4.86,  99.90,   5.86,   0.30,  (max)
10/16 13Z,   0.80,   4.73,  99.90,   5.83,   0.30,
10/16 14Z,   0.80,   4.43,  99.90,   5.53,   0.30,
10/16 15Z,   0.70,   4.12,  99.90,   5.12,   0.30,
10/16 16Z,   0.70,   3.92,  99.90,   4.92,   0.30,  (min)
10/16 17Z,   0.70,   3.94,  99.90,   4.94,   0.30,
10/16 18Z,   0.70,   4.27,  99.90,   5.27,   0.30,
10/16 19Z,   0.70,   4.83,  99.90,   5.83,   0.30,
10/16 20Z,   0.70,   5.43,  99.90,   6.43,   0.30,
10/16 21Z,   0.70,   5.91,  99.90,   6.91,   0.30,
10/16 22Z,   0.70,   6.16,  99.90,   7.15,   0.30,  (max)
10/16 23Z,   0.70,   6.09,  99.90,   7.09,   0.30,
10/17 00Z,   0.80,   5.61,  99.90,   6.70,   0.30,
10/17 01Z,   0.80,   4.71,  99.90,   5.81,   0.30,
10/17 02Z,   0.70,   3.58,  99.90,   4.58,   0.30,
10/17 03Z,   0.70,   2.42,  99.90,   3.42,   0.30,
10/17 04Z,   0.70,   1.43,  99.90,   2.43,   0.30,
10/17 05Z,   0.60,   0.78,  99.90,   1.67,   0.30,
10/17 06Z,   0.70,   0.60,  99.90,   1.59,   0.30,  (min)
10/17 07Z,   0.70,   0.91,  99.90,   1.91,   0.30,
10/17 08Z,   0.60,   1.58,  99.90,   2.48,   0.30,
10/17 09Z,   0.70,   2.41,  99.90,   3.40,   0.30,
10/17 10Z,   0.70,   3.25,  99.90,   4.25,   0.30,
10/17 11Z,   0.70,   4.00,  99.90,   5.00,   0.30,
10/17 12Z,   0.70,   4.53,  99.90,   5.53,   0.30,
10/17 13Z,   0.70,   4.74,  99.90,   5.74,   0.30,  (max)
10/17 14Z,   0.70,   4.67,  99.90,   5.67,   0.30,
10/17 15Z,   0.60,   4.47,  99.90,   5.37,   0.30,
10/17 16Z,   0.60,   4.24,  99.90,   5.14,   0.30,
10/17 17Z,   0.60,   4.09,  99.90,   4.99,   0.30,  (min)
10/17 18Z,   0.60,   4.12,  99.90,   5.01,   0.30,
10/17 19Z,   0.60,   4.37,  99.90,   5.27,   0.30,
10/17 20Z,   0.70,   4.81,  99.90,   5.81,   0.30,
10/17 21Z,   0.60,   5.27,  99.90,   6.16,   0.30,
10/17 22Z,   0.70,   5.62,  99.90,   6.62,   0.30,
10/17 23Z,   0.70,   5.80,  99.90,   6.80,   0.30,  (max)
10/18 00Z,   0.70,   5.72,  99.90,   6.72,   0.30,
10/18 01Z,   0.70,   5.27,  99.90,   6.26,   0.30,
10/18 02Z,   0.70,   4.46,  99.90,   5.45,   0.30,
10/18 03Z,   0.70,   3.45,  99.90,   4.44,   0.30,
10/18 04Z,   0.70,   2.43,  99.90,   3.43,   0.30,
10/18 05Z,   0.60,   1.56,  99.90,   2.46,   0.30,
10/18 06Z,   0.70,   0.98,  99.90,   1.98,   0.30,
10/18 07Z,   0.70,   0.82,  99.90,   1.82,   0.30,  (min)
10/18 08Z,   0.70,   1.10,  99.90,   2.10,   0.30,
10/18 09Z,   0.70,   1.70,  99.90,   2.70,   0.30,
10/18 10Z,   0.80,   2.45,  99.90,   3.55,   0.30,
10/18 11Z,   0.80,   3.25,  99.90,   4.35,   0.30,
10/18 12Z,   0.70,   3.99,  99.90,   4.99,   0.30,
10/18 13Z,  99.90,   4.54,  99.90,  99.90,   0.30,
10/18 14Z,  99.90,   4.77,  99.90,  99.90,   0.30,
10/18 15Z,  99.90,   4.75,  99.90,  99.90,   0.30,
10/18 16Z,  99.90,   4.58,  99.90,  99.90,   0.30,
10/18 17Z,  99.90,   4.35,  99.90,  99.90,   0.30,
10/18 18Z,  99.90,   4.15,  99.90,  99.90,   0.30,