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
#Charleston, OR : 05/24/2025 07:20:51 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/22 12Z,  -0.20,   3.07,   3.06,  99.90,   0.19,
05/22 13Z,  -0.20,   4.06,   4.01,  99.90,   0.15,
05/22 14Z,  -0.20,   4.94,   4.86,  99.90,   0.12,
05/22 15Z,  -0.10,   5.48,   5.43,  99.90,   0.05,
05/22 16Z,  -0.20,   5.49,   5.45,  99.90,   0.16,  (max)
05/22 17Z,  -0.20,   4.93,   4.83,  99.90,   0.10,
05/22 18Z,  -0.20,   3.93,   3.78,  99.90,   0.05,
05/22 19Z,  -0.20,   2.77,   2.55,  99.90,  -0.02,
05/22 20Z,  -0.20,   1.75,   1.53,  99.90,  -0.02,
05/22 21Z,  -0.20,   1.12,   0.99,  99.90,   0.07,
05/22 22Z,  -0.20,   1.11,   0.97,  99.90,   0.06,  (min)
05/22 23Z,  -0.10,   1.76,   1.60,  99.90,  -0.06,
05/23 00Z,  -0.20,   2.95,   2.72,  99.90,  -0.03,
05/23 01Z,  -0.20,   4.39,   4.14,  99.90,  -0.05,
05/23 02Z,  -0.20,   5.78,   5.46,  99.90,  -0.12,
05/23 03Z,  -0.20,   6.84,   6.56,  99.90,  -0.08,
05/23 04Z,  -0.20,   7.32,   7.13,  99.90,   0.01,  (max)
05/23 05Z,  -0.20,   7.06,   6.85,  99.90,  -0.01,
05/23 06Z,  -0.30,   6.11,   5.93,  99.90,   0.12,
05/23 07Z,  -0.30,   4.67,   4.54,  99.90,   0.17,
05/23 08Z,  -0.30,   3.09,   2.99,  99.90,   0.20,
05/23 09Z,  -0.30,   1.71,   1.60,  99.90,   0.19,
05/23 10Z,  -0.30,   0.84,   0.78,  99.90,   0.24,
05/23 11Z,  -0.30,   0.68,   0.66,  99.90,   0.28,  (min)
05/23 12Z,  -0.30,   1.24,   1.28,  99.90,   0.34,
05/23 13Z,  -0.20,   2.29,   2.32,  99.90,   0.23,
05/23 14Z,  -0.20,   3.55,   3.51,  99.90,   0.16,
05/23 15Z,  -0.20,   4.70,   4.61,  99.90,   0.11,
05/23 16Z,  -0.30,   5.49,   5.35,  99.90,   0.16,
05/23 17Z,  -0.30,   5.68,   5.64,  99.90,   0.26,  (max)
05/23 18Z,  -0.10,   5.23,   5.13,  99.90,   0.00,
05/23 19Z,  -0.20,   4.28,   4.12,  99.90,   0.04,
05/23 20Z,  -0.20,   3.14,   3.01,  99.90,   0.07,
05/23 21Z,  -0.20,   2.11,   1.95,  99.90,   0.04,
05/23 22Z,  -0.10,   1.51,   1.41,  99.90,  -0.00,  (min)
05/23 23Z,  -0.10,   1.58,   1.50,  99.90,   0.02,
05/24 00Z,  -0.10,   2.36,   2.34,  99.90,   0.08,
05/24 01Z,  -0.10,   3.68,   3.54,  99.90,  -0.04,
05/24 02Z,  -0.10,   5.22,   4.98,  99.90,  -0.14,
05/24 03Z,  -0.10,   6.65,   6.42,  99.90,  -0.13,
05/24 04Z,   0.00,   7.64,   7.41,  99.90,  -0.23,
05/24 05Z,  -0.10,   7.93,   7.78,  99.90,  -0.05,  (max)
05/24 06Z,  -0.10,   7.37,   7.18,  99.90,  -0.09,
05/24 07Z,  -0.10,   6.05,   5.84,  99.90,  -0.11,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/24 08Z,  -0.10,   4.23,  99.90,   4.04,  -0.09,
05/24 09Z,   0.00,   2.30,  99.90,   2.23,  -0.07,
05/24 10Z,  -0.10,   0.67,  99.90,   0.52,  -0.05,
05/24 11Z,  -0.10,  -0.30,  99.90,  -0.43,  -0.03,  (min)
05/24 12Z,   0.00,  -0.39,  99.90,  -0.40,  -0.01,
05/24 13Z,   0.00,   0.36,  99.90,   0.36,   0.01,
05/24 14Z,   0.00,   1.68,  99.90,   1.70,   0.03,
05/24 15Z,   0.00,   3.22,  99.90,   3.27,   0.05,
05/24 16Z,  -0.10,   4.65,  99.90,   4.61,   0.06,
05/24 17Z,   0.00,   5.64,  99.90,   5.72,   0.08,
05/24 18Z,   0.00,   5.96,  99.90,   6.06,   0.10,  (max)
05/24 19Z,   0.00,   5.56,  99.90,   5.68,   0.12,
05/24 20Z,   0.00,   4.62,  99.90,   4.75,   0.12,
05/24 21Z,   0.00,   3.46,  99.90,   3.58,   0.12,
05/24 22Z,   0.00,   2.44,  99.90,   2.56,   0.12,
05/24 23Z,   0.00,   1.89,  99.90,   2.02,   0.12,  (min)
05/25 00Z,   0.00,   2.07,  99.90,   2.20,   0.12,
05/25 01Z,   0.00,   3.00,  99.90,   3.12,   0.12,
05/25 02Z,   0.00,   4.45,  99.90,   4.57,   0.12,
05/25 03Z,   0.00,   6.06,  99.90,   6.18,   0.12,
05/25 04Z,   0.00,   7.47,  99.90,   7.59,   0.12,
05/25 05Z,   0.00,   8.33,  99.90,   8.45,   0.12,
05/25 06Z,   0.00,   8.38,  99.90,   8.50,   0.12,  (max)
05/25 07Z,   0.00,   7.49,  99.90,   7.61,   0.12,
05/25 08Z,   0.00,   5.79,  99.90,   5.91,   0.12,
05/25 09Z,   0.00,   3.62,  99.90,   3.74,   0.12,
05/25 10Z,   0.00,   1.41,  99.90,   1.53,   0.12,
05/25 11Z,   0.00,  -0.36,  99.90,  -0.24,   0.12,
05/25 12Z,   0.00,  -1.32,  99.90,  -1.19,   0.12,  (min)
05/25 13Z,   0.00,  -1.25,  99.90,  -1.13,   0.12,
05/25 14Z,   0.00,  -0.27,  99.90,  -0.15,   0.12,
05/25 15Z,   0.00,   1.32,  99.90,   1.44,   0.12,
05/25 16Z,   0.00,   3.12,  99.90,   3.24,   0.12,
05/25 17Z,   0.00,   4.75,  99.90,   4.87,   0.12,
05/25 18Z,   0.00,   5.87,  99.90,   5.99,   0.12,
05/25 19Z,   0.00,   6.24,  99.90,   6.36,   0.12,  (max)
05/25 20Z,   0.00,   5.84,  99.90,   5.97,   0.12,
05/25 21Z,   0.00,   4.88,  99.90,   5.00,   0.12,
05/25 22Z,   0.00,   3.70,  99.90,   3.82,   0.12,
05/25 23Z,   0.00,   2.70,  99.90,   2.82,   0.12,
05/26 00Z,   0.00,   2.24,  99.90,   2.36,   0.12,  (min)
05/26 01Z,   0.00,   2.55,  99.90,   2.67,   0.12,
05/26 02Z,   0.00,   3.62,  99.90,   3.74,   0.12,
05/26 03Z,   0.10,   5.16,  99.90,   5.38,   0.12,
05/26 04Z,   0.10,   6.79,  99.90,   7.02,   0.12,
05/26 05Z,   0.00,   8.13,  99.90,   8.25,   0.12,
05/26 06Z,   0.00,   8.82,  99.90,   8.94,   0.12,  (max)
05/26 07Z,   0.00,   8.60,  99.90,   8.72,   0.12,
05/26 08Z,   0.00,   7.38,  99.90,   7.50,   0.12,
05/26 09Z,   0.10,   5.36,  99.90,   5.58,   0.12,
05/26 10Z,   0.00,   2.92,  99.90,   3.05,   0.12,
05/26 11Z,   0.00,   0.56,  99.90,   0.68,   0.12,
05/26 12Z,   0.10,  -1.23,  99.90,  -1.01,   0.12,
05/26 13Z,   0.00,  -2.07,  99.90,  -1.95,   0.12,  (min)
05/26 14Z,   0.00,  -1.80,  99.90,  -1.68,   0.12,
05/26 15Z,   0.00,  -0.58,  99.90,  -0.45,   0.12,
05/26 16Z,   0.00,   1.23,  99.90,   1.35,   0.12,
05/26 17Z,   0.00,   3.21,  99.90,   3.33,   0.12,
05/26 18Z,   0.00,   4.95,  99.90,   5.07,   0.12,
05/26 19Z,   0.00,   6.11,  99.90,   6.23,   0.12,
05/26 20Z,  -0.10,   6.46,  99.90,   6.48,   0.12,  (max)
05/26 21Z,  -0.10,   6.02,  99.90,   6.04,   0.12,
05/26 22Z,  -0.10,   5.01,  99.90,   5.03,   0.12,
05/26 23Z,  -0.10,   3.83,  99.90,   3.85,   0.12,
05/27 00Z,  -0.10,   2.88,  99.90,   2.90,   0.12,
05/27 01Z,  -0.10,   2.53,  99.90,   2.55,   0.12,  (min)
05/27 02Z,  -0.10,   2.98,  99.90,   3.00,   0.12,
05/27 03Z,  -0.10,   4.16,  99.90,   4.18,   0.12,
05/27 04Z,  -0.10,   5.75,  99.90,   5.77,   0.12,
05/27 05Z,  -0.10,   7.34,  99.90,   7.36,   0.12,
05/27 06Z,  -0.10,   8.55,  99.90,   8.57,   0.12,
05/27 07Z,  -0.10,   9.04,  99.90,   9.06,   0.12,  (max)
05/27 08Z,  -0.10,   8.55,  99.90,   8.57,   0.12,
05/27 09Z,   0.00,   7.07,  99.90,   7.19,   0.12,
05/27 10Z,  -0.10,   4.82,  99.90,   4.85,   0.12,
05/27 11Z,  -0.10,   2.25,  99.90,   2.27,   0.12,
05/27 12Z,   0.00,  -0.13,  99.90,  -0.01,   0.12,
05/27 13Z,   0.00,  -1.82,  99.90,  -1.70,   0.12,
05/27 14Z,  -0.10,  -2.47,  99.90,  -2.44,   0.12,  (min)
05/27 15Z,  -0.10,  -1.97,  99.90,  -1.95,   0.12,
05/27 16Z,  -0.10,  -0.56,  99.90,  -0.54,   0.12,
05/27 17Z,  -0.20,   1.39,  99.90,   1.31,   0.12,
05/27 18Z,  -0.10,   3.43,  99.90,   3.45,   0.12,
05/27 19Z,  -0.10,   5.18,  99.90,   5.20,   0.12,
05/27 20Z,   0.00,   6.28,  99.90,   6.41,   0.12,
05/27 21Z,   0.00,   6.56,  99.90,   6.68,   0.12,  (max)
05/27 22Z,   0.00,   6.04,  99.90,   6.16,   0.12,
05/27 23Z,   0.00,   5.01,  99.90,   5.13,   0.12,
05/28 00Z,   0.00,   3.86,  99.90,   3.98,   0.12,