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 : 06/23/2025 03:22:31 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
06/21 12Z,   0.40,   4.97,   5.05,  99.90,  -0.32,
06/21 13Z,   0.40,   2.40,   2.47,  99.90,  -0.33,
06/21 14Z,   0.40,   0.45,   0.63,  99.90,  -0.22,
06/21 15Z,   0.30,  -0.40,  -0.13,  99.90,  -0.03,  (min)
06/21 16Z,   0.30,  -0.04,   0.40,  99.90,   0.14,
06/21 17Z,   0.30,   1.30,   1.74,  99.90,   0.14,
06/21 18Z,   0.30,   3.27,   3.61,  99.90,   0.04,
06/21 19Z,   0.30,   5.43,   5.82,  99.90,   0.09,
06/21 20Z,   0.30,   7.30,   7.71,  99.90,   0.11,
06/21 21Z,   0.30,   8.56,   8.91,  99.90,   0.05,
06/21 22Z,   0.30,   9.10,   9.39,  99.90,  -0.01,  (max)
06/21 23Z,   0.30,   9.05,   9.27,  99.90,  -0.08,
06/22 00Z,   0.30,   8.54,   8.81,  99.90,  -0.03,
06/22 01Z,   0.30,   7.74,   8.09,  99.90,   0.05,
06/22 02Z,   0.30,   6.99,   7.32,  99.90,   0.03,
06/22 03Z,   0.30,   6.68,   6.96,  99.90,  -0.02,  (min)
06/22 04Z,   0.30,   7.06,   7.21,  99.90,  -0.15,
06/22 05Z,   0.30,   8.04,   8.06,  99.90,  -0.28,
06/22 06Z,   0.30,   9.40,   9.29,  99.90,  -0.41,
06/22 07Z,   0.20,  10.77,  10.48,  99.90,  -0.49,
06/22 08Z,   0.20,  11.72,  11.44,  99.90,  -0.48,
06/22 09Z,   0.20,  11.83,  11.60,  99.90,  -0.43,  (max)
06/22 10Z,   0.20,  10.90,  10.77,  99.90,  -0.33,
06/22 11Z,   0.20,   9.01,   9.10,  99.90,  -0.11,
06/22 12Z,   0.10,   6.44,   6.59,  99.90,   0.05,
06/22 13Z,   0.10,   3.51,   3.54,  99.90,  -0.07,
06/22 14Z,   0.10,   0.75,   0.78,  99.90,  -0.07,
06/22 15Z,   0.10,  -1.21,  -1.10,  99.90,   0.01,
06/22 16Z,   0.10,  -1.89,  -1.71,  99.90,   0.08,  (min)
06/22 17Z,   0.10,  -1.20,  -0.87,  99.90,   0.23,
06/22 18Z,   0.10,   0.60,   0.85,  99.90,   0.15,
06/22 19Z,   0.10,   3.05,   3.30,  99.90,   0.15,
06/22 20Z,   0.10,   5.66,   5.95,  99.90,   0.19,
06/22 21Z,   0.10,   7.90,   8.22,  99.90,   0.22,
06/22 22Z,   0.10,   9.43,   9.66,  99.90,   0.13,
06/22 23Z,   0.10,  10.19,  10.22,  99.90,  -0.07,  (max)
06/23 00Z,   0.10,  10.29,  10.21,  99.90,  -0.18,
06/23 01Z,   0.10,   9.81,   9.76,  99.90,  -0.15,
06/23 02Z,   0.10,   8.95,   9.05,  99.90,   0.00,
06/23 03Z,   0.10,   8.06,   8.28,  99.90,   0.12,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
06/23 04Z,   0.10,   7.60,  99.90,   7.80,   0.10,  (min)
06/23 05Z,   0.10,   7.80,  99.90,   7.99,   0.09,
06/23 06Z,   0.10,   8.63,  99.90,   8.80,   0.07,
06/23 07Z,   0.10,   9.82,  99.90,   9.98,   0.05,
06/23 08Z,   0.10,  11.02,  99.90,  11.16,   0.04,
06/23 09Z,   0.10,  11.74,  99.90,  11.87,   0.02,  (max)
06/23 10Z,   0.10,  11.58,  99.90,  11.68,   0.01,
06/23 11Z,   0.10,  10.34,  99.90,  10.43,  -0.01,
06/23 12Z,   0.10,   8.16,  99.90,   8.24,  -0.03,
06/23 13Z,   0.10,   5.31,  99.90,   5.37,  -0.04,
06/23 14Z,   0.10,   2.17,  99.90,   2.21,  -0.06,
06/23 15Z,   0.10,  -0.68,  99.90,  -0.65,  -0.08,
06/23 16Z,   0.10,  -2.54,  99.90,  -2.52,  -0.08,
06/23 17Z,   0.10,  -2.95,  99.90,  -2.92,  -0.08,  (min)
06/23 18Z,   0.10,  -1.86,  99.90,  -1.84,  -0.08,
06/23 19Z,   0.10,   0.38,  99.90,   0.40,  -0.08,
06/23 20Z,   0.10,   3.25,  99.90,   3.28,  -0.08,
06/23 21Z,   0.10,   6.19,  99.90,   6.21,  -0.08,
06/23 22Z,   0.10,   8.64,  99.90,   8.67,  -0.08,
06/23 23Z,   0.20,  10.31,  99.90,  10.43,  -0.08,
06/24 00Z,   0.20,  11.14,  99.90,  11.27,  -0.08,
06/24 01Z,   0.20,  11.24,  99.90,  11.36,  -0.08,  (max)
06/24 02Z,   0.20,  10.68,  99.90,  10.81,  -0.08,
06/24 03Z,   0.20,   9.67,  99.90,   9.80,  -0.08,
06/24 04Z,   0.20,   8.64,  99.90,   8.76,  -0.08,
06/24 05Z,   0.20,   8.05,  99.90,   8.17,  -0.08,  (min)
06/24 06Z,   0.20,   8.16,  99.90,   8.28,  -0.08,
06/24 07Z,   0.20,   8.90,  99.90,   9.03,  -0.08,
06/24 08Z,   0.20,  10.01,  99.90,  10.13,  -0.08,
06/24 09Z,   0.20,  11.08,  99.90,  11.21,  -0.08,
06/24 10Z,   0.20,  11.62,  99.90,  11.75,  -0.08,  (max)
06/24 11Z,   0.20,  11.22,  99.90,  11.35,  -0.08,
06/24 12Z,   0.20,   9.75,  99.90,   9.87,  -0.08,
06/24 13Z,   0.20,   7.35,  99.90,   7.47,  -0.08,
06/24 14Z,   0.20,   4.31,  99.90,   4.43,  -0.08,
06/24 15Z,   0.20,   1.05,  99.90,   1.18,  -0.08,
06/24 16Z,   0.20,  -1.76,  99.90,  -1.64,  -0.08,
06/24 17Z,   0.20,  -3.42,  99.90,  -3.29,  -0.08,
06/24 18Z,   0.20,  -3.48,  99.90,  -3.35,  -0.08,  (min)
06/24 19Z,   0.20,  -1.99,  99.90,  -1.87,  -0.08,
06/24 20Z,   0.20,   0.62,  99.90,   0.75,  -0.08,
06/24 21Z,   0.20,   3.79,  99.90,   3.91,  -0.08,
06/24 22Z,   0.20,   6.89,  99.90,   7.01,  -0.08,
06/24 23Z,   0.20,   9.40,  99.90,   9.53,  -0.08,
06/25 00Z,   0.20,  11.05,  99.90,  11.17,  -0.08,
06/25 01Z,   0.20,  11.82,  99.90,  11.95,  -0.08,
06/25 02Z,   0.30,  11.80,  99.90,  12.03,  -0.08,  (max)
06/25 03Z,   0.30,  11.08,  99.90,  11.31,  -0.08,
06/25 04Z,   0.30,   9.91,  99.90,  10.13,  -0.08,
06/25 05Z,   0.30,   8.76,  99.90,   8.98,  -0.08,
06/25 06Z,   0.30,   8.11,  99.90,   8.34,  -0.08,  (min)
06/25 07Z,   0.30,   8.20,  99.90,   8.43,  -0.08,
06/25 08Z,   0.30,   8.93,  99.90,   9.15,  -0.08,
06/25 09Z,   0.20,  10.00,  99.90,  10.12,  -0.08,
06/25 10Z,   0.20,  10.98,  99.90,  11.10,  -0.08,
06/25 11Z,   0.20,  11.37,  99.90,  11.49,  -0.08,  (max)
06/25 12Z,   0.20,  10.79,  99.90,  10.91,  -0.08,
06/25 13Z,   0.20,   9.14,  99.90,   9.27,  -0.08,
06/25 14Z,   0.20,   6.61,  99.90,   6.73,  -0.08,
06/25 15Z,   0.20,   3.47,  99.90,   3.60,  -0.08,
06/25 16Z,   0.20,   0.23,  99.90,   0.35,  -0.08,
06/25 17Z,   0.20,  -2.44,  99.90,  -2.31,  -0.08,
06/25 18Z,   0.20,  -3.79,  99.90,  -3.67,  -0.08,  (min)
06/25 19Z,   0.20,  -3.48,  99.90,  -3.35,  -0.08,
06/25 20Z,   0.20,  -1.64,  99.90,  -1.52,  -0.08,
06/25 21Z,   0.20,   1.23,  99.90,   1.36,  -0.08,
06/25 22Z,   0.20,   4.54,  99.90,   4.66,  -0.08,
06/25 23Z,   0.20,   7.65,  99.90,   7.77,  -0.08,
06/26 00Z,   0.20,  10.07,  99.90,  10.19,  -0.08,
06/26 01Z,   0.20,  11.58,  99.90,  11.70,  -0.08,
06/26 02Z,   0.20,  12.19,  99.90,  12.31,  -0.08,  (max)
06/26 03Z,   0.20,  11.98,  99.90,  12.11,  -0.08,
06/26 04Z,   0.20,  11.06,  99.90,  11.19,  -0.08,
06/26 05Z,   0.20,   9.73,  99.90,   9.86,  -0.08,
06/26 06Z,   0.20,   8.52,  99.90,   8.64,  -0.08,
06/26 07Z,   0.20,   7.89,  99.90,   8.01,  -0.08,  (min)
06/26 08Z,   0.20,   8.02,  99.90,   8.14,  -0.08,
06/26 09Z,   0.20,   8.76,  99.90,   8.89,  -0.08,
06/26 10Z,   0.20,   9.81,  99.90,   9.93,  -0.08,
06/26 11Z,   0.20,  10.71,  99.90,  10.84,  -0.08,
06/26 12Z,   0.20,  10.98,  99.90,  11.11,  -0.08,  (max)
06/26 13Z,   0.20,  10.27,  99.90,  10.40,  -0.08,
06/26 14Z,   0.20,   8.53,  99.90,   8.66,  -0.08,
06/26 15Z,   0.20,   5.94,  99.90,   6.07,  -0.08,
06/26 16Z,   0.20,   2.83,  99.90,   2.95,  -0.08,
06/26 17Z,   0.20,  -0.29,  99.90,  -0.17,  -0.08,
06/26 18Z,   0.20,  -2.69,  99.90,  -2.56,  -0.08,
06/26 19Z,  99.90,  -3.68,  99.90,  99.90,  -0.08,
06/26 20Z,  99.90,  -3.00,  99.90,  99.90,  -0.08,
06/26 21Z,  99.90,  -0.90,  99.90,  99.90,  -0.08,
06/26 22Z,  99.90,   2.12,  99.90,  99.90,  -0.08,
06/26 23Z,  99.90,   5.41,  99.90,  99.90,  -0.08,
06/27 00Z,  99.90,   8.40,  99.90,  99.90,  -0.08,