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
#Toke Point, WA : 05/18/2026 06:21:50 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/16 12Z,   0.10,   1.74,   2.23,  99.90,   0.39,
05/16 13Z,   0.10,  -0.52,  -0.19,  99.90,   0.23,
05/16 14Z,   0.10,  -1.89,  -1.80,  99.90,  -0.01,  (min)
05/16 15Z,   0.00,  -2.00,  -1.78,  99.90,   0.22,
05/16 16Z,   0.00,  -0.82,  -0.42,  99.90,   0.40,
05/16 17Z,   0.00,   1.23,   1.86,  99.90,   0.63,
05/16 18Z,   0.00,   3.59,   3.92,  99.90,   0.33,
05/16 19Z,   0.00,   5.74,   5.78,  99.90,   0.04,
05/16 20Z,   0.00,   7.22,   7.09,  99.90,  -0.13,
05/16 21Z,   0.00,   7.75,   7.54,  99.90,  -0.21,  (max)
05/16 22Z,   0.00,   7.31,   6.94,  99.90,  -0.37,
05/16 23Z,   0.00,   6.19,   5.75,  99.90,  -0.44,
05/17 00Z,   0.00,   4.76,   4.30,  99.90,  -0.46,
05/17 01Z,   0.00,   3.43,   3.02,  99.90,  -0.41,
05/17 02Z,   0.00,   2.64,   2.40,  99.90,  -0.24,  (min)
05/17 03Z,   0.00,   2.77,   2.65,  99.90,  -0.12,
05/17 04Z,   0.00,   3.95,   3.90,  99.90,  -0.05,
05/17 05Z,   0.00,   5.86,   5.72,  99.90,  -0.14,
05/17 06Z,  -0.10,   7.91,   7.70,  99.90,  -0.11,
05/17 07Z,  -0.10,   9.56,   9.31,  99.90,  -0.15,
05/17 08Z,  -0.10,  10.39,  10.06,  99.90,  -0.23,  (max)
05/17 09Z,  -0.10,  10.11,   9.58,  99.90,  -0.43,
05/17 10Z,  -0.10,   8.68,   8.08,  99.90,  -0.50,
05/17 11Z,  -0.10,   6.37,   5.88,  99.90,  -0.39,
05/17 12Z,  -0.30,   3.62,   3.29,  99.90,  -0.03,
05/17 13Z,  -0.30,   0.89,   0.46,  99.90,  -0.13,
05/17 14Z,  -0.30,  -1.32,  -1.87,  99.90,  -0.25,
05/17 15Z,  -0.30,  -2.50,  -2.54,  99.90,   0.26,
05/17 16Z,  -0.30,  -2.31,  -2.73,  99.90,  -0.12,  (min)
05/17 17Z,  -0.40,  -0.84,  -0.63,  99.90,   0.61,
05/17 18Z,  -0.40,   1.42,   1.77,  99.90,   0.75,
05/17 19Z,  -0.40,   3.88,   3.84,  99.90,   0.36,
05/17 20Z,  -0.40,   6.02,   5.60,  99.90,  -0.02,
05/17 21Z,  -0.40,   7.41,   6.90,  99.90,  -0.11,
05/17 22Z,  -0.40,   7.81,   7.30,  99.90,  -0.11,  (max)
05/17 23Z,  -0.40,   7.27,   6.59,  99.90,  -0.28,
05/18 00Z,  -0.30,   6.10,   5.32,  99.90,  -0.48,
05/18 01Z,  -0.30,   4.69,   3.92,  99.90,  -0.47,
05/18 02Z,  -0.30,   3.45,   2.66,  99.90,  -0.49,
05/18 03Z,  -0.30,   2.81,   2.22,  99.90,  -0.29,  (min)
05/18 04Z,  -0.30,   3.16,   2.82,  99.90,  -0.04,
05/18 05Z,  -0.30,   4.52,   4.24,  99.90,   0.02,
05/18 06Z,  -0.30,   6.49,   6.11,  99.90,  -0.08,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/18 07Z,  -0.30,   8.46,  99.90,   8.09,  -0.07,
05/18 08Z,  -0.30,   9.92,  99.90,   9.55,  -0.07,
05/18 09Z,  -0.30,  10.48,  99.90,  10.12,  -0.06,  (max)
05/18 10Z,  -0.30,   9.91,  99.90,   9.55,  -0.06,
05/18 11Z,  -0.30,   8.24,  99.90,   7.88,  -0.05,
05/18 12Z,  -0.30,   5.77,  99.90,   5.42,  -0.05,
05/18 13Z,  -0.30,   2.96,  99.90,   2.62,  -0.05,
05/18 14Z,  -0.30,   0.28,  99.90,  -0.06,  -0.04,
05/18 15Z,  -0.30,  -1.77,  99.90,  -2.11,  -0.04,
05/18 16Z,  -0.30,  -2.70,  99.90,  -3.03,  -0.03,  (min)
05/18 17Z,  -0.30,  -2.23,  99.90,  -2.56,  -0.03,
05/18 18Z,  -0.30,  -0.57,  99.90,  -0.89,  -0.02,
05/18 19Z,  -0.30,   1.76,  99.90,   1.44,  -0.02,
05/18 20Z,  -0.30,   4.19,  99.90,   3.86,  -0.02,
05/18 21Z,  -0.30,   6.21,  99.90,   5.89,  -0.02,
05/18 22Z,  -0.30,   7.45,  99.90,   7.13,  -0.02,
05/18 23Z,  -0.30,   7.72,  99.90,   7.40,  -0.02,  (max)
05/19 00Z,  -0.30,   7.10,  99.90,   6.78,  -0.02,
05/19 01Z,  -0.30,   5.93,  99.90,   5.60,  -0.02,
05/19 02Z,  -0.30,   4.58,  99.90,   4.25,  -0.02,
05/19 03Z,  -0.30,   3.45,  99.90,   3.13,  -0.02,
05/19 04Z,  -0.30,   2.98,  99.90,   2.66,  -0.02,  (min)
05/19 05Z,  -0.30,   3.49,  99.90,   3.17,  -0.02,
05/19 06Z,  -0.30,   4.93,  99.90,   4.61,  -0.02,
05/19 07Z,  -0.30,   6.85,  99.90,   6.53,  -0.02,
05/19 08Z,  -0.30,   8.66,  99.90,   8.34,  -0.02,
05/19 09Z,  -0.30,   9.90,  99.90,   9.57,  -0.02,
05/19 10Z,  -0.30,  10.23,  99.90,   9.90,  -0.02,  (max)
05/19 11Z,  -0.30,   9.47,  99.90,   9.14,  -0.02,
05/19 12Z,  -0.30,   7.69,  99.90,   7.36,  -0.02,
05/19 13Z,  -0.30,   5.21,  99.90,   4.89,  -0.02,
05/19 14Z,  -0.30,   2.49,  99.90,   2.17,  -0.02,
05/19 15Z,  -0.30,  -0.02,  99.90,  -0.34,  -0.02,
05/19 16Z,  -0.30,  -1.84,  99.90,  -2.16,  -0.02,
05/19 17Z,  -0.30,  -2.51,  99.90,  -2.83,  -0.02,  (min)
05/19 18Z,  -0.30,  -1.85,  99.90,  -2.17,  -0.02,
05/19 19Z,  -0.30,  -0.11,  99.90,  -0.43,  -0.02,
05/19 20Z,  -0.30,   2.17,  99.90,   1.84,  -0.02,
05/19 21Z,  -0.30,   4.45,  99.90,   4.12,  -0.02,
05/19 22Z,  -0.30,   6.30,  99.90,   5.97,  -0.02,
05/19 23Z,  -0.30,   7.38,  99.90,   7.06,  -0.02,
05/20 00Z,  -0.30,   7.53,  99.90,   7.21,  -0.02,  (max)
05/20 01Z,  -0.30,   6.88,  99.90,   6.56,  -0.02,
05/20 02Z,  -0.30,   5.74,  99.90,   5.42,  -0.02,
05/20 03Z,  -0.30,   4.48,  99.90,   4.16,  -0.02,
05/20 04Z,  -0.30,   3.47,  99.90,   3.14,  -0.02,
05/20 05Z,  -0.30,   3.12,  99.90,   2.80,  -0.02,  (min)
05/20 06Z,  -0.30,   3.71,  99.90,   3.39,  -0.02,
05/20 07Z,  -0.30,   5.12,  99.90,   4.80,  -0.02,
05/20 08Z,  -0.30,   6.88,  99.90,   6.56,  -0.02,
05/20 09Z,  -0.30,   8.48,  99.90,   8.15,  -0.02,
05/20 10Z,  -0.30,   9.51,  99.90,   9.18,  -0.02,
05/20 11Z,  -0.30,   9.68,  99.90,   9.36,  -0.02,  (max)
05/20 12Z,  -0.40,   8.85,  99.90,   8.43,  -0.02,
05/20 13Z,  -0.40,   7.10,  99.90,   6.68,  -0.02,
05/20 14Z,  -0.40,   4.76,  99.90,   4.34,  -0.02,
05/20 15Z,  -0.30,   2.25,  99.90,   1.93,  -0.02,
05/20 16Z,  -0.40,  -0.02,  99.90,  -0.44,  -0.02,
05/20 17Z,  -0.40,  -1.58,  99.90,  -2.00,  -0.02,
05/20 18Z,  -0.40,  -2.04,  99.90,  -2.46,  -0.02,  (min)
05/20 19Z,  -0.40,  -1.27,  99.90,  -1.69,  -0.02,
05/20 20Z,  -0.40,   0.43,  99.90,   0.01,  -0.02,
05/20 21Z,  -0.40,   2.56,  99.90,   2.14,  -0.02,
05/20 22Z,  -0.40,   4.65,  99.90,   4.23,  -0.02,
05/20 23Z,  -0.30,   6.32,  99.90,   6.00,  -0.02,
05/21 00Z,  -0.30,   7.26,  99.90,   6.94,  -0.02,
05/21 01Z,  -0.30,   7.35,  99.90,   7.03,  -0.02,  (max)
05/21 02Z,  -0.30,   6.70,  99.90,   6.38,  -0.02,
05/21 03Z,  -0.30,   5.62,  99.90,   5.30,  -0.02,
05/21 04Z,  -0.30,   4.44,  99.90,   4.12,  -0.02,
05/21 05Z,  -0.30,   3.50,  99.90,   3.18,  -0.02,
05/21 06Z,  -0.30,   3.21,  99.90,   2.89,  -0.02,  (min)
05/21 07Z,  -0.30,   3.77,  99.90,   3.44,  -0.02,
05/21 08Z,  -0.30,   5.03,  99.90,   4.71,  -0.02,
05/21 09Z,  -0.30,   6.57,  99.90,   6.25,  -0.02,
05/21 10Z,  -0.30,   7.94,  99.90,   7.62,  -0.02,
05/21 11Z,  -0.30,   8.82,  99.90,   8.50,  -0.02,
05/21 12Z,  -0.30,   8.94,  99.90,   8.61,  -0.02,  (max)
05/21 13Z,  -0.30,   8.15,  99.90,   7.83,  -0.02,
05/21 14Z,  -0.30,   6.55,  99.90,   6.23,  -0.02,
05/21 15Z,  -0.30,   4.45,  99.90,   4.13,  -0.02,
05/21 16Z,  -0.30,   2.22,  99.90,   1.90,  -0.02,
05/21 17Z,  -0.30,   0.23,  99.90,  -0.09,  -0.02,
05/21 18Z,  -0.30,  -1.09,  99.90,  -1.41,  -0.02,
05/21 19Z,  -0.30,  -1.39,  99.90,  -1.71,  -0.02,  (min)
05/21 20Z,  -0.30,  -0.59,  99.90,  -0.91,  -0.02,
05/21 21Z,  -0.30,   1.00,  99.90,   0.67,  -0.02,
05/21 22Z,  -0.30,   2.94,  99.90,   2.61,  -0.02,
05/21 23Z,  -0.30,   4.84,  99.90,   4.52,  -0.02,
05/22 00Z,  -0.20,   6.36,  99.90,   6.14,  -0.02,