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
#Cherry Point, WA : 04/18/2026 09:21:09 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/16 18Z,   0.20,   0.76,   0.90,  99.90,  -0.06,
04/16 19Z,   0.10,   0.79,   0.82,  99.90,  -0.07,  (min)
04/16 20Z,   0.10,   1.65,   1.60,  99.90,  -0.15,
04/16 21Z,   0.10,   3.11,   3.01,  99.90,  -0.20,
04/16 22Z,   0.10,   4.82,   4.62,  99.90,  -0.30,
04/16 23Z,   0.10,   6.43,   6.19,  99.90,  -0.34,
04/17 00Z,   0.10,   7.60,   7.24,  99.90,  -0.46,
04/17 01Z,   0.10,   8.08,   7.76,  99.90,  -0.42,  (max)
04/17 02Z,   0.10,   7.81,   7.48,  99.90,  -0.43,
04/17 03Z,   0.10,   6.94,   6.54,  99.90,  -0.50,
04/17 04Z,   0.10,   5.79,   5.45,  99.90,  -0.44,
04/17 05Z,   0.20,   4.71,   4.42,  99.90,  -0.49,
04/17 06Z,   0.00,   4.08,   3.83,  99.90,  -0.25,  (min)
04/17 07Z,   0.10,   4.11,   3.92,  99.90,  -0.29,
04/17 08Z,   0.00,   4.83,   4.61,  99.90,  -0.22,
04/17 09Z,   0.00,   6.01,   5.89,  99.90,  -0.12,
04/17 10Z,   0.00,   7.31,   7.17,  99.90,  -0.14,
04/17 11Z,   0.00,   8.36,   8.27,  99.90,  -0.09,
04/17 12Z,   0.00,   8.84,   8.77,  99.90,  -0.07,  (max)
04/17 13Z,   0.00,   8.54,   8.52,  99.90,  -0.02,
04/17 14Z,   0.00,   7.39,   7.34,  99.90,  -0.05,
04/17 15Z,   0.00,   5.57,   5.49,  99.90,  -0.08,
04/17 16Z,   0.00,   3.43,   3.41,  99.90,  -0.02,
04/17 17Z,   0.00,   1.42,   1.36,  99.90,  -0.06,
04/17 18Z,   0.00,  -0.05,  -0.09,  99.90,  -0.04,
04/17 19Z,   0.00,  -0.62,  -0.73,  99.90,  -0.11,  (min)
04/17 20Z,   0.00,  -0.18,  -0.33,  99.90,  -0.15,
04/17 21Z,   0.00,   1.16,   0.92,  99.90,  -0.24,
04/17 22Z,   0.00,   3.06,   2.76,  99.90,  -0.30,
04/17 23Z,   0.00,   5.13,   4.73,  99.90,  -0.40,
04/18 00Z,   0.00,   6.98,   6.57,  99.90,  -0.41,
04/18 01Z,   0.00,   8.27,   7.87,  99.90,  -0.40,
04/18 02Z,   0.00,   8.78,   8.33,  99.90,  -0.45,  (max)
04/18 03Z,   0.00,   8.49,   8.05,  99.90,  -0.44,
04/18 04Z,   0.00,   7.61,   7.21,  99.90,  -0.40,
04/18 05Z,   0.00,   6.50,   6.19,  99.90,  -0.31,
04/18 06Z,   0.10,   5.52,   5.32,  99.90,  -0.30,
04/18 07Z,   0.10,   5.03,   4.94,  99.90,  -0.19,  (min)
04/18 08Z,   0.10,   5.20,   5.21,  99.90,  -0.09,
04/18 09Z,   0.10,   5.97,   6.00,  99.90,  -0.07,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/18 10Z,   0.10,   7.07,  99.90,   7.09,  -0.08,
04/18 11Z,   0.10,   8.15,  99.90,   8.15,  -0.09,
04/18 12Z,   0.10,   8.84,  99.90,   8.83,  -0.11,
04/18 13Z,   0.10,   8.86,  99.90,   8.84,  -0.12,  (max)
04/18 14Z,   0.20,   8.04,  99.90,   8.11,  -0.13,
04/18 15Z,   0.20,   6.40,  99.90,   6.46,  -0.14,
04/18 16Z,   0.20,   4.21,  99.90,   4.25,  -0.16,
04/18 17Z,   0.20,   1.87,  99.90,   1.91,  -0.17,
04/18 18Z,   0.20,  -0.13,  99.90,  -0.11,  -0.18,
04/18 19Z,   0.20,  -1.39,  99.90,  -1.39,  -0.19,
04/18 20Z,   0.20,  -1.62,  99.90,  -1.62,  -0.20,  (min)
04/18 21Z,   0.20,  -0.76,  99.90,  -0.78,  -0.22,
04/18 22Z,   0.30,   0.97,  99.90,   1.05,  -0.22,
04/18 23Z,   0.30,   3.20,  99.90,   3.28,  -0.22,
04/19 00Z,   0.30,   5.50,  99.90,   5.58,  -0.22,
04/19 01Z,   0.30,   7.49,  99.90,   7.57,  -0.22,
04/19 02Z,   0.30,   8.82,  99.90,   8.90,  -0.22,
04/19 03Z,   0.30,   9.31,  99.90,   9.40,  -0.22,  (max)
04/19 04Z,   0.30,   9.01,  99.90,   9.09,  -0.22,
04/19 05Z,   0.30,   8.16,  99.90,   8.25,  -0.22,
04/19 06Z,   0.30,   7.13,  99.90,   7.22,  -0.22,
04/19 07Z,   0.40,   6.28,  99.90,   6.47,  -0.22,
04/19 08Z,   0.40,   5.92,  99.90,   6.10,  -0.22,  (min)
04/19 09Z,   0.40,   6.17,  99.90,   6.35,  -0.22,
04/19 10Z,   0.40,   6.91,  99.90,   7.10,  -0.22,
04/19 11Z,   0.40,   7.86,  99.90,   8.04,  -0.22,
04/19 12Z,   0.40,   8.65,  99.90,   8.84,  -0.22,
04/19 13Z,   0.40,   8.97,  99.90,   9.15,  -0.22,  (max)
04/19 14Z,   0.40,   8.57,  99.90,   8.75,  -0.22,
04/19 15Z,   0.40,   7.33,  99.90,   7.52,  -0.22,
04/19 16Z,   0.40,   5.36,  99.90,   5.54,  -0.22,
04/19 17Z,   0.40,   2.97,  99.90,   3.15,  -0.22,
04/19 18Z,   0.40,   0.61,  99.90,   0.79,  -0.22,
04/19 19Z,   0.40,  -1.26,  99.90,  -1.07,  -0.22,
04/19 20Z,   0.40,  -2.25,  99.90,  -2.07,  -0.22,  (min)
04/19 21Z,   0.40,  -2.14,  99.90,  -1.96,  -0.22,
04/19 22Z,   0.30,  -0.96,  99.90,  -0.88,  -0.22,
04/19 23Z,   0.40,   1.03,  99.90,   1.21,  -0.22,
04/20 00Z,   0.40,   3.43,  99.90,   3.62,  -0.22,
04/20 01Z,   0.30,   5.83,  99.90,   5.91,  -0.22,
04/20 02Z,   0.30,   7.84,  99.90,   7.92,  -0.22,
04/20 03Z,   0.40,   9.15,  99.90,   9.33,  -0.22,
04/20 04Z,   0.30,   9.61,  99.90,   9.70,  -0.22,  (max)
04/20 05Z,   0.30,   9.32,  99.90,   9.41,  -0.22,
04/20 06Z,   0.30,   8.55,  99.90,   8.63,  -0.22,
04/20 07Z,   0.30,   7.63,  99.90,   7.71,  -0.22,
04/20 08Z,   0.30,   6.91,  99.90,   7.00,  -0.22,
04/20 09Z,   0.30,   6.64,  99.90,   6.73,  -0.22,  (min)
04/20 10Z,   0.30,   6.91,  99.90,   6.99,  -0.22,
04/20 11Z,   0.30,   7.55,  99.90,   7.63,  -0.22,
04/20 12Z,   0.30,   8.29,  99.90,   8.37,  -0.22,
04/20 13Z,   0.30,   8.79,  99.90,   8.87,  -0.22,  (max)
04/20 14Z,   0.30,   8.78,  99.90,   8.87,  -0.22,
04/20 15Z,   0.30,   8.06,  99.90,   8.14,  -0.22,
04/20 16Z,   0.30,   6.56,  99.90,   6.65,  -0.22,
04/20 17Z,   0.30,   4.44,  99.90,   4.52,  -0.22,
04/20 18Z,   0.30,   2.04,  99.90,   2.13,  -0.22,
04/20 19Z,   0.30,  -0.19,  99.90,  -0.11,  -0.22,
04/20 20Z,   0.30,  -1.84,  99.90,  -1.75,  -0.22,
04/20 21Z,   0.30,  -2.56,  99.90,  -2.48,  -0.22,  (min)
04/20 22Z,   0.30,  -2.21,  99.90,  -2.12,  -0.22,
04/20 23Z,   0.30,  -0.84,  99.90,  -0.76,  -0.22,
04/21 00Z,   0.40,   1.25,  99.90,   1.43,  -0.22,
04/21 01Z,   0.40,   3.66,  99.90,   3.85,  -0.22,
04/21 02Z,   0.40,   6.02,  99.90,   6.21,  -0.22,
04/21 03Z,   0.40,   7.97,  99.90,   8.15,  -0.22,
04/21 04Z,   0.40,   9.22,  99.90,   9.40,  -0.22,
04/21 05Z,   0.40,   9.67,  99.90,   9.86,  -0.22,  (max)
04/21 06Z,   0.50,   9.43,  99.90,   9.71,  -0.22,
04/21 07Z,   0.50,   8.76,  99.90,   9.04,  -0.22,
04/21 08Z,   0.50,   7.97,  99.90,   8.25,  -0.22,
04/21 09Z,   0.50,   7.35,  99.90,   7.63,  -0.22,
04/21 10Z,   0.50,   7.12,  99.90,   7.40,  -0.22,  (min)
04/21 11Z,   0.50,   7.32,  99.90,   7.61,  -0.22,
04/21 12Z,   0.60,   7.82,  99.90,   8.20,  -0.22,
04/21 13Z,   0.60,   8.33,  99.90,   8.71,  -0.22,
04/21 14Z,   0.60,   8.58,  99.90,   8.96,  -0.22,  (max)
04/21 15Z,   0.50,   8.34,  99.90,   8.63,  -0.22,
04/21 16Z,   0.50,   7.45,  99.90,   7.73,  -0.22,
04/21 17Z,   0.50,   5.88,  99.90,   6.16,  -0.22,
04/21 18Z,   0.60,   3.80,  99.90,   4.18,  -0.22,
04/21 19Z,   0.60,   1.55,  99.90,   1.93,  -0.22,
04/21 20Z,   0.60,  -0.47,  99.90,  -0.08,  -0.22,
04/21 21Z,   0.60,  -1.87,  99.90,  -1.49,  -0.22,
04/21 22Z,   0.60,  -2.39,  99.90,  -2.01,  -0.22,  (min)
04/21 23Z,   0.60,  -1.91,  99.90,  -1.52,  -0.22,
04/22 00Z,   0.60,  -0.51,  99.90,  -0.12,  -0.22,
04/22 01Z,  99.90,   1.52,  99.90,  99.90,  -0.22,
04/22 02Z,  99.90,   3.83,  99.90,  99.90,  -0.22,
04/22 03Z,  99.90,   6.07,  99.90,  99.90,  -0.22,
04/22 04Z,  99.90,   7.91,  99.90,  99.90,  -0.22,
04/22 05Z,  99.90,   9.10,  99.90,  99.90,  -0.22,
04/22 06Z,  99.90,   9.56,  99.90,  99.90,  -0.22,