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
#Seattle, WA : 11/11/2025 14:20:52 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
11/09 18Z,   0.10,  11.53,  11.83,  99.90,   0.20,  (max)
11/09 19Z,   0.20,  10.41,  10.91,  99.90,   0.30,
11/09 20Z,   0.20,   9.15,   9.64,  99.90,   0.29,
11/09 21Z,   0.10,   8.19,   8.50,  99.90,   0.21,
11/09 22Z,   0.20,   7.86,   8.07,  99.90,   0.01,  (min)
11/09 23Z,   0.20,   8.17,   8.27,  99.90,  -0.10,
11/10 00Z,   0.10,   8.89,   8.88,  99.90,  -0.11,
11/10 01Z,   0.10,   9.69,   9.63,  99.90,  -0.16,
11/10 02Z,   0.10,  10.24,  10.23,  99.90,  -0.11,
11/10 03Z,   0.10,  10.17,  10.29,  99.90,   0.02,  (max)
11/10 04Z,   0.10,   9.23,   9.48,  99.90,   0.15,
11/10 05Z,   0.10,   7.43,   7.76,  99.90,   0.23,
11/10 06Z,   0.10,   4.99,   5.36,  99.90,   0.27,
11/10 07Z,   0.10,   2.27,   2.52,  99.90,   0.15,
11/10 08Z,   0.10,  -0.24,   0.01,  99.90,   0.15,
11/10 09Z,   0.10,  -1.90,  -1.55,  99.90,   0.25,
11/10 10Z,   0.10,  -2.19,  -1.88,  99.90,   0.21,  (min)
11/10 11Z,   0.10,  -1.02,  -0.75,  99.90,   0.17,
11/10 12Z,   0.10,   1.24,   1.30,  99.90,  -0.04,
11/10 13Z,   0.10,   4.06,   4.11,  99.90,  -0.05,
11/10 14Z,   0.10,   6.91,   7.01,  99.90,  -0.00,
11/10 15Z,   0.10,   9.35,   9.36,  99.90,  -0.09,
11/10 16Z,   0.10,  11.03,  11.09,  99.90,  -0.04,
11/10 17Z,   0.10,  11.85,  12.00,  99.90,   0.05,
11/10 18Z,   0.10,  11.92,  12.11,  99.90,   0.09,  (max)
11/10 19Z,   0.10,  11.35,  11.63,  99.90,   0.18,
11/10 20Z,   0.10,  10.31,  10.71,  99.90,   0.30,
11/10 21Z,   0.20,   9.08,   9.47,  99.90,   0.19,
11/10 22Z,   0.20,   8.10,   8.35,  99.90,   0.05,
11/10 23Z,   0.20,   7.64,   7.80,  99.90,  -0.04,
11/11 00Z,   0.20,   7.73,   7.75,  99.90,  -0.18,  (min)
11/11 01Z,   0.20,   8.19,   8.17,  99.90,  -0.22,
11/11 02Z,   0.20,   8.80,   8.72,  99.90,  -0.28,
11/11 03Z,   0.20,   9.27,   9.13,  99.90,  -0.34,
11/11 04Z,   0.20,   9.26,   9.20,  99.90,  -0.26,  (max)
11/11 05Z,   0.20,   8.51,   8.54,  99.90,  -0.17,
11/11 06Z,   0.10,   7.03,   7.05,  99.90,  -0.08,
11/11 07Z,   0.10,   4.99,   4.99,  99.90,  -0.10,
11/11 08Z,   0.10,   2.69,   2.63,  99.90,  -0.16,
11/11 09Z,   0.10,   0.57,   0.47,  99.90,  -0.20,
11/11 10Z,   0.10,  -0.80,  -0.80,  99.90,  -0.10,
11/11 11Z,   0.00,  -0.97,  -0.91,  99.90,   0.06,  (min)
11/11 12Z,   0.00,   0.09,   0.13,  99.90,   0.04,
11/11 13Z,   0.00,   2.07,   2.05,  99.90,  -0.02,
11/11 14Z,   0.00,   4.54,   4.59,  99.90,   0.05,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
11/11 15Z,   0.00,   7.08,  99.90,   7.12,   0.05,
11/11 16Z,   0.00,   9.27,  99.90,   9.32,   0.04,
11/11 17Z,   0.00,  10.82,  99.90,  10.86,   0.04,
11/11 18Z,   0.00,  11.60,  99.90,  11.64,   0.03,
11/11 19Z,   0.00,  11.70,  99.90,  11.73,   0.03,  (max)
11/11 20Z,   0.00,  11.16,  99.90,  11.19,   0.03,
11/11 21Z,   0.00,  10.12,  99.90,  10.14,   0.02,
11/11 22Z,   0.00,   8.84,  99.90,   8.86,   0.02,
11/11 23Z,   0.00,   7.72,  99.90,   7.74,   0.02,
11/12 00Z,   0.00,   7.06,  99.90,   7.07,   0.01,
11/12 01Z,   0.00,   6.90,  99.90,   6.90,   0.01,  (min)
11/12 02Z,   0.00,   7.15,  99.90,   7.15,   0.00,
11/12 03Z,   0.10,   7.68,  99.90,   7.78,   0.00,
11/12 04Z,   0.10,   8.21,  99.90,   8.31,   0.00,
11/12 05Z,   0.10,   8.39,  99.90,   8.50,   0.00,  (max)
11/12 06Z,   0.10,   7.97,  99.90,   8.07,   0.00,
11/12 07Z,   0.10,   6.90,  99.90,   7.00,   0.00,
11/12 08Z,   0.10,   5.31,  99.90,   5.42,   0.00,
11/12 09Z,   0.10,   3.44,  99.90,   3.54,   0.00,
11/12 10Z,   0.10,   1.66,  99.90,   1.77,   0.00,
11/12 11Z,   0.10,   0.50,  99.90,   0.60,   0.00,
11/12 12Z,   0.20,   0.33,  99.90,   0.53,   0.00,  (min)
11/12 13Z,   0.20,   1.20,  99.90,   1.40,   0.00,
11/12 14Z,   0.20,   2.86,  99.90,   3.07,   0.00,
11/12 15Z,   0.20,   5.01,  99.90,   5.21,   0.00,
11/12 16Z,   0.20,   7.28,  99.90,   7.49,   0.00,
11/12 17Z,   0.20,   9.29,  99.90,   9.50,   0.00,
11/12 18Z,   0.20,  10.73,  99.90,  10.94,   0.00,
11/12 19Z,   0.30,  11.48,  99.90,  11.78,   0.00,
11/12 20Z,   0.30,  11.55,  99.90,  11.85,   0.00,  (max)
11/12 21Z,   0.30,  10.95,  99.90,  11.26,   0.00,
11/12 22Z,   0.30,   9.79,  99.90,  10.09,   0.00,
11/12 23Z,   0.30,   8.34,  99.90,   8.64,   0.00,
11/13 00Z,   0.30,   7.01,  99.90,   7.31,   0.00,
11/13 01Z,   0.30,   6.11,  99.90,   6.41,   0.00,
11/13 02Z,   0.30,   5.74,  99.90,   6.04,   0.00,  (min)
11/13 03Z,   0.30,   5.90,  99.90,   6.21,   0.00,
11/13 04Z,   0.30,   6.49,  99.90,   6.79,   0.00,
11/13 05Z,   0.40,   7.22,  99.90,   7.62,   0.00,
11/13 06Z,   0.40,   7.71,  99.90,   8.11,   0.00,  (max)
11/13 07Z,   0.40,   7.67,  99.90,   8.07,   0.00,
11/13 08Z,   0.40,   7.05,  99.90,   7.45,   0.00,
11/13 09Z,   0.40,   5.91,  99.90,   6.31,   0.00,
11/13 10Z,   0.40,   4.41,  99.90,   4.82,   0.00,
11/13 11Z,   0.40,   2.90,  99.90,   3.31,   0.00,
11/13 12Z,   0.50,   1.85,  99.90,   2.35,   0.00,
11/13 13Z,   0.50,   1.62,  99.90,   2.12,   0.00,  (min)
11/13 14Z,   0.50,   2.27,  99.90,   2.77,   0.00,
11/13 15Z,   0.50,   3.66,  99.90,   4.16,   0.00,
11/13 16Z,   0.50,   5.55,  99.90,   6.05,   0.00,
11/13 17Z,   0.50,   7.63,  99.90,   8.14,   0.00,
11/13 18Z,   0.60,   9.50,  99.90,  10.10,   0.00,
11/13 19Z,   0.60,  10.83,  99.90,  11.43,   0.00,
11/13 20Z,   0.60,  11.47,  99.90,  12.07,   0.00,  (max)
11/13 21Z,   0.60,  11.40,  99.90,  12.00,   0.00,
11/13 22Z,   0.60,  10.61,  99.90,  11.22,   0.00,
11/13 23Z,   0.60,   9.20,  99.90,   9.80,   0.00,
11/14 00Z,   0.70,   7.49,  99.90,   8.19,   0.00,
11/14 01Z,   0.70,   5.92,  99.90,   6.62,   0.00,
11/14 02Z,   0.70,   4.83,  99.90,   5.53,   0.00,
11/14 03Z,   0.70,   4.38,  99.90,   5.09,   0.00,  (min)
11/14 04Z,   0.70,   4.62,  99.90,   5.32,   0.00,
11/14 05Z,   0.70,   5.42,  99.90,   6.13,   0.00,
11/14 06Z,   0.70,   6.47,  99.90,   7.17,   0.00,
11/14 07Z,   0.70,   7.32,  99.90,   8.03,   0.00,
11/14 08Z,   0.60,   7.69,  99.90,   8.29,   0.00,  (max)
11/14 09Z,   0.60,   7.48,  99.90,   8.08,   0.00,
11/14 10Z,   0.60,   6.71,  99.90,   7.31,   0.00,
11/14 11Z,   0.60,   5.49,  99.90,   6.10,   0.00,
11/14 12Z,   0.60,   4.15,  99.90,   4.76,   0.00,
11/14 13Z,   0.60,   3.14,  99.90,   3.75,   0.00,
11/14 14Z,   0.70,   2.83,  99.90,   3.53,   0.00,  (min)
11/14 15Z,   0.70,   3.30,  99.90,   4.01,   0.00,
11/14 16Z,   0.70,   4.50,  99.90,   5.20,   0.00,
11/14 17Z,   0.70,   6.23,  99.90,   6.94,   0.00,
11/14 18Z,   0.70,   8.17,  99.90,   8.88,   0.00,
11/14 19Z,   0.70,   9.89,  99.90,  10.60,   0.00,
11/14 20Z,   0.70,  11.04,  99.90,  11.74,   0.00,
11/14 21Z,   0.70,  11.46,  99.90,  12.16,   0.00,  (max)
11/14 22Z,   0.70,  11.11,  99.90,  11.82,   0.00,
11/14 23Z,   0.70,   9.99,  99.90,  10.70,   0.00,
11/15 00Z,   0.70,   8.24,  99.90,   8.94,   0.00,
11/15 01Z,   0.70,   6.23,  99.90,   6.94,   0.00,
11/15 02Z,   0.70,   4.48,  99.90,   5.19,   0.00,
11/15 03Z,   0.70,   3.35,  99.90,   4.05,   0.00,
11/15 04Z,   0.70,   3.02,  99.90,   3.73,   0.00,  (min)
11/15 05Z,   0.70,   3.53,  99.90,   4.23,   0.00,
11/15 06Z,   0.70,   4.70,  99.90,   5.40,   0.00,