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 : 01/18/2026 04:21:45 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
01/16 12Z,  -0.20,   4.18,   4.10,  99.90,   0.12,  (min)
01/16 13Z,  -0.10,   4.43,   4.32,  99.90,  -0.01,
01/16 14Z,  -0.10,   5.11,   5.01,  99.90,   0.00,
01/16 15Z,  -0.10,   6.05,   5.93,  99.90,  -0.02,
01/16 16Z,  -0.10,   7.01,   6.88,  99.90,  -0.03,
01/16 17Z,  -0.10,   7.75,   7.67,  99.90,   0.02,
01/16 18Z,   0.00,   8.01,   7.96,  99.90,  -0.05,  (max)
01/16 19Z,   0.00,   7.61,   7.49,  99.90,  -0.12,
01/16 20Z,   0.00,   6.54,   6.35,  99.90,  -0.19,
01/16 21Z,  -0.10,   4.98,   4.80,  99.90,  -0.08,
01/16 22Z,   0.00,   3.21,   2.99,  99.90,  -0.22,
01/16 23Z,   0.00,   1.54,   1.32,  99.90,  -0.22,
01/17 00Z,   0.00,   0.34,   0.14,  99.90,  -0.20,
01/17 01Z,   0.10,  -0.15,  -0.38,  99.90,  -0.33,  (min)
01/17 02Z,   0.10,   0.14,  -0.05,  99.90,  -0.29,
01/17 03Z,   0.10,   1.07,   0.85,  99.90,  -0.32,
01/17 04Z,   0.00,   2.39,   2.21,  99.90,  -0.18,
01/17 05Z,   0.00,   3.84,   3.69,  99.90,  -0.15,
01/17 06Z,   0.10,   5.13,   4.99,  99.90,  -0.24,
01/17 07Z,   0.00,   5.98,   5.89,  99.90,  -0.09,
01/17 08Z,   0.00,   6.25,   6.22,  99.90,  -0.03,  (max)
01/17 09Z,   0.00,   5.99,   6.00,  99.90,   0.01,
01/17 10Z,   0.00,   5.38,   5.33,  99.90,  -0.05,
01/17 11Z,   0.10,   4.65,   4.64,  99.90,  -0.11,
01/17 12Z,   0.00,   4.10,   4.08,  99.90,  -0.02,
01/17 13Z,   0.00,   3.98,   4.04,  99.90,   0.06,  (min)
01/17 14Z,   0.00,   4.41,   4.45,  99.90,   0.04,
01/17 15Z,   0.00,   5.28,   5.25,  99.90,  -0.03,
01/17 16Z,   0.00,   6.35,   6.33,  99.90,  -0.02,
01/17 17Z,   0.00,   7.37,   7.32,  99.90,  -0.05,
01/17 18Z,   0.00,   8.05,   8.03,  99.90,  -0.02,  (max)
01/17 19Z,   0.00,   8.13,   8.01,  99.90,  -0.12,
01/17 20Z,   0.00,   7.46,   7.29,  99.90,  -0.17,
01/17 21Z,  -0.10,   6.11,   5.92,  99.90,  -0.09,
01/17 22Z,   0.00,   4.32,   4.11,  99.90,  -0.21,
01/17 23Z,   0.00,   2.42,   2.21,  99.90,  -0.21,
01/18 00Z,   0.00,   0.79,   0.71,  99.90,  -0.08,
01/18 01Z,   0.00,  -0.22,  -0.38,  99.90,  -0.16,
01/18 02Z,   0.00,  -0.41,  -0.57,  99.90,  -0.16,  (min)
01/18 03Z,   0.00,   0.22,   0.06,  99.90,  -0.16,
01/18 04Z,   0.00,   1.44,   1.32,  99.90,  -0.12,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
01/18 05Z,   0.00,   2.97,  99.90,   2.85,  -0.12,
01/18 06Z,  -0.10,   4.50,  99.90,   4.29,  -0.11,
01/18 07Z,   0.00,   5.73,  99.90,   5.62,  -0.11,
01/18 08Z,   0.00,   6.38,  99.90,   6.28,  -0.11,
01/18 09Z,   0.00,   6.39,  99.90,   6.29,  -0.10,  (max)
01/18 10Z,   0.00,   5.87,  99.90,   5.76,  -0.10,
01/18 11Z,   0.00,   5.05,  99.90,   4.95,  -0.10,
01/18 12Z,   0.00,   4.24,  99.90,   4.15,  -0.10,
01/18 13Z,   0.00,   3.75,  99.90,   3.66,  -0.09,  (min)
01/18 14Z,   0.00,   3.82,  99.90,   3.73,  -0.09,
01/18 15Z,   0.00,   4.47,  99.90,   4.38,  -0.09,
01/18 16Z,   0.00,   5.53,  99.90,   5.45,  -0.08,
01/18 17Z,   0.00,   6.71,  99.90,   6.63,  -0.08,
01/18 18Z,   0.00,   7.72,  99.90,   7.64,  -0.08,
01/18 19Z,  -0.10,   8.26,  99.90,   8.07,  -0.08,  (max)
01/18 20Z,  -0.10,   8.08,  99.90,   7.90,  -0.08,
01/18 21Z,  -0.10,   7.11,  99.90,   6.92,  -0.08,
01/18 22Z,   0.00,   5.47,  99.90,   5.39,  -0.08,
01/18 23Z,   0.00,   3.50,  99.90,   3.41,  -0.08,
01/19 00Z,   0.00,   1.58,  99.90,   1.49,  -0.08,
01/19 01Z,   0.00,   0.10,  99.90,   0.02,  -0.08,
01/19 02Z,   0.00,  -0.60,  99.90,  -0.69,  -0.08,  (min)
01/19 03Z,   0.00,  -0.41,  99.90,  -0.49,  -0.08,
01/19 04Z,   0.00,   0.58,  99.90,   0.49,  -0.08,
01/19 05Z,   0.00,   2.07,  99.90,   1.98,  -0.08,
01/19 06Z,  -0.10,   3.73,  99.90,   3.55,  -0.08,
01/19 07Z,   0.00,   5.24,  99.90,   5.16,  -0.08,
01/19 08Z,   0.00,   6.29,  99.90,   6.21,  -0.08,
01/19 09Z,   0.00,   6.67,  99.90,   6.58,  -0.08,  (max)
01/19 10Z,  -0.10,   6.36,  99.90,   6.17,  -0.08,
01/19 11Z,   0.00,   5.56,  99.90,   5.48,  -0.08,
01/19 12Z,   0.00,   4.59,  99.90,   4.50,  -0.08,
01/19 13Z,  -0.10,   3.78,  99.90,   3.60,  -0.08,
01/19 14Z,   0.00,   3.43,  99.90,   3.35,  -0.08,  (min)
01/19 15Z,   0.00,   3.73,  99.90,   3.65,  -0.08,
01/19 16Z,   0.00,   4.61,  99.90,   4.53,  -0.08,
01/19 17Z,   0.00,   5.83,  99.90,   5.75,  -0.08,
01/19 18Z,   0.00,   7.06,  99.90,   6.97,  -0.08,
01/19 19Z,   0.00,   7.97,  99.90,   7.88,  -0.08,
01/19 20Z,   0.00,   8.28,  99.90,   8.20,  -0.08,  (max)
01/19 21Z,  -0.10,   7.80,  99.90,   7.62,  -0.08,
01/19 22Z,   0.00,   6.52,  99.90,   6.44,  -0.08,
01/19 23Z,   0.10,   4.66,  99.90,   4.68,  -0.08,
01/20 00Z,   0.00,   2.62,  99.90,   2.53,  -0.08,
01/20 01Z,   0.00,   0.81,  99.90,   0.72,  -0.08,
01/20 02Z,   0.00,  -0.38,  99.90,  -0.46,  -0.08,
01/20 03Z,   0.00,  -0.68,  99.90,  -0.77,  -0.08,  (min)
01/20 04Z,   0.00,  -0.07,  99.90,  -0.16,  -0.08,
01/20 05Z,   0.00,   1.25,  99.90,   1.16,  -0.08,
01/20 06Z,   0.00,   2.93,  99.90,   2.84,  -0.08,
01/20 07Z,   0.00,   4.62,  99.90,   4.53,  -0.08,
01/20 08Z,   0.00,   5.99,  99.90,   5.90,  -0.08,
01/20 09Z,   0.00,   6.76,  99.90,   6.68,  -0.08,
01/20 10Z,   0.00,   6.79,  99.90,   6.70,  -0.08,  (max)
01/20 11Z,   0.00,   6.15,  99.90,   6.06,  -0.08,
01/20 12Z,   0.00,   5.12,  99.90,   5.03,  -0.08,
01/20 13Z,   0.00,   4.06,  99.90,   3.98,  -0.08,
01/20 14Z,   0.00,   3.33,  99.90,   3.24,  -0.08,
01/20 15Z,   0.00,   3.18,  99.90,   3.09,  -0.08,  (min)
01/20 16Z,   0.00,   3.71,  99.90,   3.63,  -0.08,
01/20 17Z,   0.00,   4.79,  99.90,   4.71,  -0.08,
01/20 18Z,   0.00,   6.10,  99.90,   6.02,  -0.08,
01/20 19Z,   0.00,   7.28,  99.90,   7.19,  -0.08,
01/20 20Z,   0.00,   8.02,  99.90,   7.93,  -0.08,
01/20 21Z,   0.00,   8.07,  99.90,   7.98,  -0.08,  (max)
01/20 22Z,   0.00,   7.29,  99.90,   7.21,  -0.08,
01/20 23Z,   0.00,   5.76,  99.90,   5.68,  -0.08,
01/21 00Z,   0.00,   3.80,  99.90,   3.71,  -0.08,
01/21 01Z,   0.00,   1.82,  99.90,   1.74,  -0.08,
01/21 02Z,   0.00,   0.27,  99.90,   0.19,  -0.08,
01/21 03Z,   0.00,  -0.52,  99.90,  -0.61,  -0.08,  (min)
01/21 04Z,   0.00,  -0.38,  99.90,  -0.47,  -0.08,
01/21 05Z,   0.00,   0.62,  99.90,   0.53,  -0.08,
01/21 06Z,   0.00,   2.19,  99.90,   2.10,  -0.08,
01/21 07Z,   0.00,   3.94,  99.90,   3.86,  -0.08,
01/21 08Z,   0.00,   5.54,  99.90,   5.45,  -0.08,
01/21 09Z,   0.00,   6.66,  99.90,   6.57,  -0.08,
01/21 10Z,   0.00,   7.08,  99.90,   7.00,  -0.08,  (max)
01/21 11Z,   0.00,   6.74,  99.90,   6.65,  -0.08,
01/21 12Z,   0.00,   5.79,  99.90,   5.71,  -0.08,
01/21 13Z,   0.00,   4.60,  99.90,   4.51,  -0.08,
01/21 14Z,   0.00,   3.52,  99.90,   3.44,  -0.08,
01/21 15Z,   0.00,   2.91,  99.90,   2.83,  -0.08,  (min)
01/21 16Z,   0.00,   2.97,  99.90,   2.89,  -0.08,
01/21 17Z,   0.00,   3.72,  99.90,   3.63,  -0.08,
01/21 18Z,  -0.10,   4.92,  99.90,   4.74,  -0.08,
01/21 19Z,  99.90,   6.23,  99.90,  99.90,  -0.08,
01/21 20Z,  99.90,   7.29,  99.90,  99.90,  -0.08,
01/21 21Z,  99.90,   7.82,  99.90,  99.90,  -0.08,
01/21 22Z,  99.90,   7.61,  99.90,  99.90,  -0.08,
01/21 23Z,  99.90,   6.61,  99.90,  99.90,  -0.08,
01/22 00Z,  99.90,   4.95,  99.90,  99.90,  -0.08,