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 : 11/08/2025 19:21:41 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
11/07 00Z,   0.80,  -1.36,  -0.59,  99.90,  -0.03,
11/07 01Z,   0.80,  -1.84,  -0.85,  99.90,   0.19,  (max)
11/07 02Z,   0.80,  -3.55,  -2.27,  99.90,   0.48,
11/07 03Z,   0.80,  -6.27,  -4.67,  99.90,   0.80,
11/07 04Z,   0.80,  -9.58,  -7.83,  99.90,   0.95,
11/07 05Z,   0.90, -12.96, -11.27,  99.90,   0.79,
11/07 06Z,   1.00, -15.68, -13.86,  99.90,   0.82,
11/07 07Z,   1.00, -17.00, -15.42,  99.90,   0.58,  (min)
11/07 08Z,   1.00, -16.50, -15.02,  99.90,   0.48,
11/07 09Z,   1.00, -14.37, -13.10,  99.90,   0.27,
11/07 10Z,   1.00, -11.19, -10.41,  99.90,  -0.22,
11/07 11Z,   1.00,  -7.70,  -7.10,  99.90,  -0.40,
11/07 12Z,   1.00,  -4.55,  -4.29,  99.90,  -0.74,
11/07 13Z,   1.00,  -2.29,  -2.26,  99.90,  -0.97,
11/07 14Z,   1.00,  -1.15,  -1.13,  99.90,  -0.98,
11/07 15Z,   0.90,  -1.07,  -0.95,  99.90,  -0.78,  (max)
11/07 16Z,   0.90,  -1.80,  -1.57,  99.90,  -0.67,
11/07 17Z,   0.90,  -3.10,  -2.58,  99.90,  -0.38,
11/07 18Z,   0.80,  -4.60,  -3.93,  99.90,  -0.13,
11/07 19Z,   0.80,  -5.76,  -5.12,  99.90,  -0.16,
11/07 20Z,   0.70,  -6.12,  -5.48,  99.90,  -0.06,  (min)
11/07 21Z,   0.70,  -5.58,  -4.98,  99.90,  -0.10,
11/07 22Z,   0.70,  -4.41,  -3.82,  99.90,  -0.11,
11/07 23Z,   0.60,  -3.06,  -2.57,  99.90,  -0.11,
11/08 00Z,   0.50,  -2.02,  -1.52,  99.90,  -0.00,
11/08 01Z,   0.50,  -1.74,  -1.15,  99.90,   0.09,  (max)
11/08 02Z,   0.50,  -2.56,  -1.99,  99.90,   0.07,
11/08 03Z,   0.50,  -4.50,  -3.83,  99.90,   0.17,
11/08 04Z,   0.40,  -7.33,  -6.64,  99.90,   0.29,
11/08 05Z,   0.40, -10.62, -10.05,  99.90,   0.17,
11/08 06Z,   0.30, -13.82, -13.30,  99.90,   0.22,
11/08 07Z,   0.30, -16.21, -15.64,  99.90,   0.27,
11/08 08Z,   0.30, -17.10, -16.51,  99.90,   0.29,  (min)
11/08 09Z,   0.30, -16.21, -15.52,  99.90,   0.39,
11/08 10Z,   0.30, -13.82, -13.23,  99.90,   0.29,
11/08 11Z,   0.30, -10.57, -10.22,  99.90,   0.05,
11/08 12Z,   0.20,  -7.15,  -6.96,  99.90,  -0.01,
11/08 13Z,   0.20,  -4.18,  -4.25,  99.90,  -0.27,
11/08 14Z,   0.20,  -2.11,  -2.25,  99.90,  -0.34,
11/08 15Z,   0.20,  -1.11,  -1.23,  99.90,  -0.32,
11/08 16Z,   0.20,  -1.07,  -1.08,  99.90,  -0.21,  (max)
11/08 17Z,   0.20,  -1.78,  -1.62,  99.90,  -0.04,
11/08 18Z,   0.20,  -2.99,  -2.61,  99.90,   0.18,
11/08 19Z,   0.20,  -4.36,  -3.85,  99.90,   0.31,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
11/08 20Z,   0.20,  -5.39,  99.90,  -4.90,   0.29,
11/08 21Z,   0.20,  -5.69,  99.90,  -5.23,   0.27,  (min)
11/08 22Z,   0.20,  -5.22,  99.90,  -4.78,   0.24,
11/08 23Z,   0.20,  -4.25,  99.90,  -3.83,   0.22,
11/09 00Z,   0.20,  -3.19,  99.90,  -2.79,   0.20,
11/09 01Z,   0.20,  -2.44,  99.90,  -2.07,   0.17,
11/09 02Z,   0.20,  -2.41,  99.90,  -2.06,   0.15,  (max)
11/09 03Z,   0.20,  -3.38,  99.90,  -3.05,   0.13,
11/09 04Z,   0.20,  -5.35,  99.90,  -5.05,   0.10,
11/09 05Z,   0.20,  -8.07,  99.90,  -7.79,   0.08,
11/09 06Z,   0.20, -11.14,  99.90, -10.89,   0.06,
11/09 07Z,   0.20, -14.03,  99.90, -13.80,   0.04,
11/09 08Z,   0.20, -16.04,  99.90, -15.81,   0.04,
11/09 09Z,   0.20, -16.58,  99.90, -16.34,   0.04,  (min)
11/09 10Z,   0.20, -15.46,  99.90, -15.23,   0.04,
11/09 11Z,   0.20, -13.04,  99.90, -12.81,   0.04,
11/09 12Z,   0.20,  -9.93,  99.90,  -9.70,   0.04,
11/09 13Z,   0.20,  -6.76,  99.90,  -6.52,   0.04,
11/09 14Z,   0.20,  -4.05,  99.90,  -3.81,   0.04,
11/09 15Z,   0.20,  -2.19,  99.90,  -1.95,   0.04,
11/09 16Z,   0.20,  -1.30,  99.90,  -1.06,   0.04,
11/09 17Z,   0.20,  -1.26,  99.90,  -1.03,   0.04,  (max)
11/09 18Z,   0.20,  -1.90,  99.90,  -1.66,   0.04,
11/09 19Z,   0.20,  -3.02,  99.90,  -2.78,   0.04,
11/09 20Z,   0.20,  -4.28,  99.90,  -4.05,   0.04,
11/09 21Z,   0.20,  -5.24,  99.90,  -5.01,   0.04,
11/09 22Z,   0.20,  -5.57,  99.90,  -5.34,   0.04,  (min)
11/09 23Z,   0.20,  -5.26,  99.90,  -5.02,   0.04,
11/10 00Z,   0.20,  -4.54,  99.90,  -4.31,   0.04,
11/10 01Z,   0.20,  -3.74,  99.90,  -3.51,   0.04,
11/10 02Z,   0.20,  -3.19,  99.90,  -2.96,   0.04,  (max)
11/10 03Z,   0.20,  -3.26,  99.90,  -3.02,   0.04,
11/10 04Z,   0.20,  -4.20,  99.90,  -3.96,   0.04,
11/10 05Z,   0.20,  -6.00,  99.90,  -5.77,   0.04,
11/10 06Z,   0.20,  -8.44,  99.90,  -8.20,   0.04,
11/10 07Z,   0.20, -11.16,  99.90, -10.93,   0.04,
11/10 08Z,   0.20, -13.67,  99.90, -13.43,   0.04,
11/10 09Z,   0.20, -15.33,  99.90, -15.09,   0.04,
11/10 10Z,   0.20, -15.62,  99.90, -15.38,   0.04,  (min)
11/10 11Z,   0.20, -14.45,  99.90, -14.22,   0.04,
11/10 12Z,   0.20, -12.19,  99.90, -11.96,   0.04,
11/10 13Z,   0.20,  -9.37,  99.90,  -9.14,   0.04,
11/10 14Z,   0.20,  -6.52,  99.90,  -6.28,   0.04,
11/10 15Z,   0.20,  -4.08,  99.90,  -3.85,   0.04,
11/10 16Z,   0.20,  -2.40,  99.90,  -2.17,   0.04,
11/10 17Z,   0.20,  -1.58,  99.90,  -1.34,   0.04,
11/10 18Z,   0.20,  -1.51,  99.90,  -1.28,   0.04,  (max)
11/10 19Z,   0.20,  -2.08,  99.90,  -1.85,   0.04,
11/10 20Z,   0.20,  -3.12,  99.90,  -2.89,   0.04,
11/10 21Z,   0.20,  -4.35,  99.90,  -4.11,   0.04,
11/10 22Z,   0.20,  -5.33,  99.90,  -5.10,   0.04,
11/10 23Z,   0.20,  -5.79,  99.90,  -5.55,   0.04,  (min)
11/11 00Z,   0.20,  -5.70,  99.90,  -5.47,   0.04,
11/11 01Z,   0.20,  -5.24,  99.90,  -5.01,   0.04,
11/11 02Z,   0.20,  -4.63,  99.90,  -4.40,   0.04,
11/11 03Z,   0.20,  -4.16,  99.90,  -3.93,   0.04,  (max)
11/11 04Z,   0.20,  -4.17,  99.90,  -3.94,   0.04,
11/11 05Z,   0.20,  -4.92,  99.90,  -4.68,   0.04,
11/11 06Z,   0.20,  -6.40,  99.90,  -6.17,   0.04,
11/11 07Z,   0.20,  -8.44,  99.90,  -8.21,   0.04,
11/11 08Z,   0.20, -10.74,  99.90, -10.51,   0.04,
11/11 09Z,   0.20, -12.86,  99.90, -12.63,   0.04,
11/11 10Z,   0.20, -14.23,  99.90, -13.99,   0.04,
11/11 11Z,   0.20, -14.40,  99.90, -14.17,   0.04,  (min)
11/11 12Z,   0.20, -13.34,  99.90, -13.11,   0.04,
11/11 13Z,   0.20, -11.36,  99.90, -11.13,   0.04,
11/11 14Z,   0.20,  -8.89,  99.90,  -8.66,   0.04,
11/11 15Z,   0.20,  -6.35,  99.90,  -6.12,   0.04,
11/11 16Z,   0.30,  -4.16,  99.90,  -3.82,   0.04,
11/11 17Z,   0.30,  -2.61,  99.90,  -2.28,   0.04,
11/11 18Z,   0.30,  -1.83,  99.90,  -1.49,   0.04,
11/11 19Z,   0.30,  -1.73,  99.90,  -1.40,   0.04,  (max)
11/11 20Z,   0.30,  -2.27,  99.90,  -1.93,   0.04,
11/11 21Z,   0.20,  -3.31,  99.90,  -3.08,   0.04,
11/11 22Z,   0.20,  -4.59,  99.90,  -4.36,   0.04,
11/11 23Z,   0.20,  -5.71,  99.90,  -5.47,   0.04,
11/12 00Z,   0.20,  -6.37,  99.90,  -6.13,   0.04,
11/12 01Z,   0.20,  -6.53,  99.90,  -6.30,   0.04,  (min)
11/12 02Z,   0.30,  -6.28,  99.90,  -5.94,   0.04,
11/12 03Z,   0.30,  -5.75,  99.90,  -5.42,   0.04,
11/12 04Z,   0.30,  -5.22,  99.90,  -4.89,   0.04,
11/12 05Z,   0.30,  -5.04,  99.90,  -4.70,   0.04,  (max)
11/12 06Z,   0.30,  -5.46,  99.90,  -5.13,   0.04,
11/12 07Z,   0.30,  -6.53,  99.90,  -6.20,   0.04,
11/12 08Z,   0.30,  -8.12,  99.90,  -7.78,   0.04,
11/12 09Z,   0.30,  -9.99,  99.90,  -9.66,   0.04,
11/12 10Z,   0.30, -11.77,  99.90, -11.43,   0.04,
11/12 11Z,   0.30, -12.93,  99.90, -12.60,   0.04,
11/12 12Z,   0.40, -13.10,  99.90, -12.66,   0.04,