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 : 12/15/2025 12:20:53 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
12/13 12Z,   0.00,   4.82,   5.49,  99.90,   0.67,
12/13 13Z,   0.10,   5.82,   6.45,  99.90,   0.53,
12/13 14Z,   0.10,   6.49,   7.10,  99.90,   0.51,
12/13 15Z,   0.10,   6.66,   7.31,  99.90,   0.55,  (max)
12/13 16Z,   0.10,   6.31,   6.89,  99.90,   0.48,
12/13 17Z,   0.00,   5.53,   6.05,  99.90,   0.52,
12/13 18Z,   0.20,   4.48,   5.07,  99.90,   0.39,
12/13 19Z,   0.20,   3.34,   3.97,  99.90,   0.43,
12/13 20Z,   0.20,   2.41,   3.06,  99.90,   0.45,
12/13 21Z,   0.20,   1.91,   2.48,  99.90,   0.37,
12/13 22Z,   0.20,   1.89,   2.42,  99.90,   0.33,  (min)
12/13 23Z,   0.30,   2.26,   2.86,  99.90,   0.30,
12/14 00Z,   0.30,   2.89,   3.50,  99.90,   0.31,
12/14 01Z,   0.30,   3.61,   4.23,  99.90,   0.32,
12/14 02Z,   0.30,   4.23,   4.84,  99.90,   0.31,
12/14 03Z,   0.30,   4.54,   5.16,  99.90,   0.32,
12/14 04Z,   0.30,   4.48,   5.21,  99.90,   0.43,  (max)
12/14 05Z,   0.20,   4.10,   4.83,  99.90,   0.53,
12/14 06Z,   0.10,   3.54,   4.14,  99.90,   0.50,
12/14 07Z,   0.10,   2.92,   3.61,  99.90,   0.59,
12/14 08Z,   0.10,   2.46,   3.15,  99.90,   0.59,  (min)
12/14 09Z,   0.10,   2.36,   3.17,  99.90,   0.71,
12/14 10Z,   0.10,   2.73,   3.54,  99.90,   0.71,
12/14 11Z,   0.10,   3.47,   4.19,  99.90,   0.62,
12/14 12Z,   0.00,   4.43,   5.09,  99.90,   0.66,
12/14 13Z,   0.00,   5.45,   6.07,  99.90,   0.62,
12/14 14Z,   0.00,   6.32,   6.96,  99.90,   0.64,
12/14 15Z,   0.10,   6.82,   7.36,  99.90,   0.44,  (max)
12/14 16Z,   0.00,   6.79,   7.33,  99.90,   0.54,
12/14 17Z,   0.00,   6.24,   6.69,  99.90,   0.45,
12/14 18Z,   0.10,   5.28,   5.69,  99.90,   0.31,
12/14 19Z,   0.20,   4.05,   4.54,  99.90,   0.29,
12/14 20Z,   0.10,   2.78,   3.40,  99.90,   0.52,
12/14 21Z,   0.20,   1.77,   2.35,  99.90,   0.38,
12/14 22Z,   0.20,   1.26,   1.79,  99.90,   0.33,  (min)
12/14 23Z,   0.20,   1.28,   1.81,  99.90,   0.33,
12/15 00Z,   0.30,   1.73,   2.37,  99.90,   0.34,
12/15 01Z,   0.30,   2.47,   3.13,  99.90,   0.36,
12/15 02Z,   0.40,   3.32,   3.90,  99.90,   0.18,
12/15 03Z,   0.30,   4.06,   4.60,  99.90,   0.24,
12/15 04Z,   0.30,   4.49,   5.11,  99.90,   0.32,
12/15 05Z,   0.20,   4.56,   5.27,  99.90,   0.51,  (max)
12/15 06Z,   0.20,   4.31,   5.01,  99.90,   0.50,
12/15 07Z,   0.20,   3.86,   4.48,  99.90,   0.42,
12/15 08Z,   0.30,   3.34,   3.93,  99.90,   0.29,
12/15 09Z,   0.30,   2.97,   3.71,  99.90,   0.44,  (min)
12/15 10Z,   0.30,   2.96,   3.76,  99.90,   0.50,
12/15 11Z,   0.30,   3.38,   4.23,  99.90,   0.55,
12/15 12Z,   0.30,   4.14,   4.87,  99.90,   0.43,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
12/15 13Z,   0.30,   5.08,  99.90,   5.80,   0.42,
12/15 14Z,   0.30,   6.02,  99.90,   6.74,   0.42,
12/15 15Z,   0.30,   6.76,  99.90,   7.48,   0.42,
12/15 16Z,   0.20,   7.06,  99.90,   7.68,   0.42,  (max)
12/15 17Z,   0.20,   6.80,  99.90,   7.42,   0.41,
12/15 18Z,   0.20,   6.03,  99.90,   6.64,   0.41,
12/15 19Z,   0.20,   4.85,  99.90,   5.46,   0.41,
12/15 20Z,   0.10,   3.45,  99.90,   3.96,   0.41,
12/15 21Z,   0.20,   2.09,  99.90,   2.69,   0.41,
12/15 22Z,   0.30,   1.08,  99.90,   1.79,   0.40,
12/15 23Z,   0.30,   0.65,  99.90,   1.35,   0.40,  (min)
12/16 00Z,   0.30,   0.81,  99.90,   1.51,   0.40,
12/16 01Z,   0.30,   1.41,  99.90,   2.11,   0.40,
12/16 02Z,   0.30,   2.31,  99.90,   3.01,   0.40,
12/16 03Z,   0.30,   3.30,  99.90,   4.00,   0.40,
12/16 04Z,   0.30,   4.14,  99.90,   4.84,   0.40,
12/16 05Z,   0.20,   4.64,  99.90,   5.24,   0.40,
12/16 06Z,   0.20,   4.77,  99.90,   5.36,   0.40,  (max)
12/16 07Z,   0.30,   4.57,  99.90,   5.27,   0.40,
12/16 08Z,   0.20,   4.15,  99.90,   4.75,   0.40,
12/16 09Z,   0.30,   3.67,  99.90,   4.37,   0.40,
12/16 10Z,   0.30,   3.37,  99.90,   4.06,   0.40,  (min)
12/16 11Z,   0.30,   3.44,  99.90,   4.14,   0.40,
12/16 12Z,   0.30,   3.94,  99.90,   4.64,   0.40,
12/16 13Z,   0.30,   4.74,  99.90,   5.44,   0.40,
12/16 14Z,   0.30,   5.66,  99.90,   6.36,   0.40,
12/16 15Z,   0.30,   6.52,  99.90,   7.22,   0.40,
12/16 16Z,   0.30,   7.09,  99.90,   7.79,   0.40,
12/16 17Z,   0.30,   7.17,  99.90,   7.87,   0.40,  (max)
12/16 18Z,   0.40,   6.67,  99.90,   7.47,   0.40,
12/16 19Z,   0.30,   5.65,  99.90,   6.35,   0.40,
12/16 20Z,   0.30,   4.27,  99.90,   4.97,   0.40,
12/16 21Z,   0.30,   2.73,  99.90,   3.43,   0.40,
12/16 22Z,   0.40,   1.34,  99.90,   2.14,   0.40,
12/16 23Z,   0.50,   0.43,  99.90,   1.33,   0.40,
12/17 00Z,   0.40,   0.18,  99.90,   0.98,   0.40,  (min)
12/17 01Z,   0.40,   0.54,  99.90,   1.34,   0.40,
12/17 02Z,   0.40,   1.34,  99.90,   2.14,   0.40,
12/17 03Z,   0.40,   2.41,  99.90,   3.21,   0.40,
12/17 04Z,   0.40,   3.51,  99.90,   4.31,   0.40,
12/17 05Z,   0.30,   4.40,  99.90,   5.10,   0.40,
12/17 06Z,   0.40,   4.91,  99.90,   5.71,   0.40,
12/17 07Z,   0.40,   5.00,  99.90,   5.80,   0.40,  (max)
12/17 08Z,   0.50,   4.78,  99.90,   5.68,   0.40,
12/17 09Z,   0.50,   4.34,  99.90,   5.24,   0.40,
12/17 10Z,   0.50,   3.88,  99.90,   4.78,   0.40,
12/17 11Z,   0.40,   3.64,  99.90,   4.44,   0.40,  (min)
12/17 12Z,   0.40,   3.83,  99.90,   4.63,   0.40,
12/17 13Z,   0.40,   4.42,  99.90,   5.22,   0.40,
12/17 14Z,   0.40,   5.27,  99.90,   6.07,   0.40,
12/17 15Z,   0.30,   6.16,  99.90,   6.86,   0.40,
12/17 16Z,   0.20,   6.92,  99.90,   7.52,   0.40,
12/17 17Z,   0.30,   7.31,  99.90,   8.01,   0.40,  (max)
12/17 18Z,   0.30,   7.15,  99.90,   7.85,   0.40,
12/17 19Z,   0.20,   6.38,  99.90,   6.98,   0.40,
12/17 20Z,   0.10,   5.12,  99.90,   5.62,   0.40,
12/17 21Z,   0.20,   3.56,  99.90,   4.16,   0.40,
12/17 22Z,   0.30,   1.96,  99.90,   2.66,   0.40,
12/17 23Z,   0.30,   0.64,  99.90,   1.34,   0.40,
12/18 00Z,   0.30,  -0.09,  99.90,   0.61,   0.40,
12/18 01Z,   0.20,  -0.10,  99.90,   0.50,   0.40,  (min)
12/18 02Z,   0.20,   0.51,  99.90,   1.10,   0.40,
12/18 03Z,   0.30,   1.51,  99.90,   2.21,   0.40,
12/18 04Z,   0.30,   2.71,  99.90,   3.41,   0.40,
12/18 05Z,   0.30,   3.87,  99.90,   4.57,   0.40,
12/18 06Z,   0.30,   4.75,  99.90,   5.44,   0.40,
12/18 07Z,   0.30,   5.18,  99.90,   5.88,   0.40,
12/18 08Z,   0.40,   5.18,  99.90,   5.98,   0.40,  (max)
12/18 09Z,   0.40,   4.87,  99.90,   5.67,   0.40,
12/18 10Z,   0.40,   4.39,  99.90,   5.19,   0.40,
12/18 11Z,   0.40,   3.96,  99.90,   4.76,   0.40,
12/18 12Z,   0.40,   3.82,  99.90,   4.62,   0.40,  (min)
12/18 13Z,   0.40,   4.14,  99.90,   4.94,   0.40,
12/18 14Z,   0.40,   4.84,  99.90,   5.64,   0.40,
12/18 15Z,   0.40,   5.73,  99.90,   6.53,   0.40,
12/18 16Z,   0.40,   6.59,  99.90,   7.39,   0.40,
12/18 17Z,   0.40,   7.22,  99.90,   8.02,   0.40,
12/18 18Z,   0.40,   7.40,  99.90,   8.20,   0.40,  (max)
12/18 19Z,   0.40,   6.97,  99.90,   7.77,   0.40,
12/18 20Z,   0.40,   5.94,  99.90,   6.74,   0.40,
12/18 21Z,   0.40,   4.47,  99.90,   5.27,   0.40,
12/18 22Z,   0.50,   2.79,  99.90,   3.69,   0.40,
12/18 23Z,   0.60,   1.20,  99.90,   2.20,   0.40,
12/19 00Z,   0.50,   0.04,  99.90,   0.94,   0.40,