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 : 01/16/2026 03:23:16 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
01/14 12Z,  -0.10,  -2.69,  -2.78,  99.90,   0.01,  (max)
01/14 13Z,  -0.10,  -2.93,  -2.98,  99.90,   0.05,
01/14 14Z,  -0.10,  -3.50,  -3.42,  99.90,   0.18,
01/14 15Z,  -0.10,  -4.12,  -3.94,  99.90,   0.28,
01/14 16Z,  -0.10,  -4.54,  -4.39,  99.90,   0.25,
01/14 17Z,  -0.10,  -4.64,  -4.51,  99.90,   0.23,  (min)
01/14 18Z,  -0.10,  -4.39,  -4.43,  99.90,   0.06,
01/14 19Z,  -0.10,  -3.86,  -4.20,  99.90,  -0.24,
01/14 20Z,  -0.10,  -3.35,  -4.03,  99.90,  -0.58,  (max)
01/14 21Z,  -0.10,  -3.24,  -4.09,  99.90,  -0.75,
01/14 22Z,  -0.10,  -3.78,  -4.61,  99.90,  -0.73,
01/14 23Z,  -0.10,  -4.99,  -5.69,  99.90,  -0.60,
01/15 00Z,   0.00,  -6.76,  -7.29,  99.90,  -0.53,
01/15 01Z,   0.00,  -8.91,  -9.28,  99.90,  -0.37,
01/15 02Z,   0.00, -11.08, -11.44,  99.90,  -0.36,
01/15 03Z,   0.00, -12.74, -12.98,  99.90,  -0.24,
01/15 04Z,   0.00, -13.50, -13.79,  99.90,  -0.29,  (min)
01/15 05Z,   0.00, -13.24, -13.45,  99.90,  -0.21,
01/15 06Z,  -0.10, -12.05, -12.33,  99.90,  -0.18,
01/15 07Z,  -0.10, -10.17, -10.53,  99.90,  -0.26,
01/15 08Z,  -0.10,  -7.95,  -8.22,  99.90,  -0.17,
01/15 09Z,  -0.20,  -5.82,  -6.00,  99.90,   0.02,
01/15 10Z,  -0.20,  -4.09,  -4.26,  99.90,   0.03,
01/15 11Z,  -0.20,  -2.88,  -3.12,  99.90,  -0.04,
01/15 12Z,  -0.20,  -2.19,  -2.58,  99.90,  -0.19,
01/15 13Z,  -0.30,  -2.09,  -2.56,  99.90,  -0.17,  (max)
01/15 14Z,  -0.30,  -2.56,  -2.94,  99.90,  -0.08,
01/15 15Z,  -0.30,  -3.35,  -3.48,  99.90,   0.17,
01/15 16Z,  -0.30,  -4.13,  -4.20,  99.90,   0.23,
01/15 17Z,  -0.30,  -4.63,  -4.66,  99.90,   0.27,
01/15 18Z,  -0.10,  -4.75,  -4.83,  99.90,   0.02,  (min)
01/15 19Z,  -0.10,  -4.46,  -4.62,  99.90,  -0.06,
01/15 20Z,  -0.10,  -3.91,  -4.31,  99.90,  -0.30,
01/15 21Z,  -0.20,  -3.44,  -4.16,  99.90,  -0.52,  (max)
01/15 22Z,  -0.20,  -3.45,  -4.23,  99.90,  -0.58,
01/15 23Z,  -0.20,  -4.15,  -4.87,  99.90,  -0.52,
01/16 00Z,  -0.20,  -5.55,  -6.17,  99.90,  -0.42,
01/16 01Z,  -0.20,  -7.53,  -8.03,  99.90,  -0.30,
01/16 02Z,  -0.20,  -9.84, -10.31,  99.90,  -0.27,
01/16 03Z,  -0.20, -12.04, -12.51,  99.90,  -0.27,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
01/16 04Z,  -0.20, -13.55,  99.90, -14.01,  -0.27,
01/16 05Z,  -0.10, -14.00,  99.90, -14.35,  -0.26,  (min)
01/16 06Z,  -0.10, -13.34,  99.90, -13.68,  -0.25,
01/16 07Z,  -0.10, -11.74,  99.90, -12.07,  -0.24,
01/16 08Z,  -0.10,  -9.51,  99.90,  -9.84,  -0.23,
01/16 09Z,  -0.10,  -7.08,  99.90,  -7.39,  -0.22,
01/16 10Z,  -0.10,  -4.88,  99.90,  -5.19,  -0.21,
01/16 11Z,  -0.10,  -3.22,  99.90,  -3.52,  -0.20,
01/16 12Z,  -0.10,  -2.16,  99.90,  -2.45,  -0.19,
01/16 13Z,  -0.10,  -1.71,  99.90,  -1.99,  -0.18,  (max)
01/16 14Z,  -0.10,  -1.92,  99.90,  -2.19,  -0.17,
01/16 15Z,  -0.10,  -2.66,  99.90,  -2.93,  -0.16,
01/16 16Z,  -0.10,  -3.64,  99.90,  -3.90,  -0.16,
01/16 17Z,  -0.10,  -4.47,  99.90,  -4.73,  -0.16,
01/16 18Z,  -0.10,  -4.90,  99.90,  -5.16,  -0.16,  (min)
01/16 19Z,  -0.10,  -4.88,  99.90,  -5.14,  -0.16,
01/16 20Z,  -0.10,  -4.44,  99.90,  -4.71,  -0.16,
01/16 21Z,  -0.10,  -3.82,  99.90,  -4.08,  -0.16,
01/16 22Z,   0.00,  -3.40,  99.90,  -3.56,  -0.16,  (max)
01/16 23Z,   0.00,  -3.57,  99.90,  -3.73,  -0.16,
01/17 00Z,   0.00,  -4.50,  99.90,  -4.67,  -0.16,
01/17 01Z,   0.00,  -6.17,  99.90,  -6.33,  -0.16,
01/17 02Z,   0.00,  -8.39,  99.90,  -8.55,  -0.16,
01/17 03Z,   0.00, -10.84,  99.90, -11.00,  -0.16,
01/17 04Z,   0.00, -12.99,  99.90, -13.15,  -0.16,
01/17 05Z,   0.00, -14.24,  99.90, -14.41,  -0.16,
01/17 06Z,   0.00, -14.28,  99.90, -14.44,  -0.16,  (min)
01/17 07Z,   0.00, -13.14,  99.90, -13.30,  -0.16,
01/17 08Z,   0.00, -11.11,  99.90, -11.27,  -0.16,
01/17 09Z,   0.00,  -8.58,  99.90,  -8.74,  -0.16,
01/17 10Z,   0.00,  -6.03,  99.90,  -6.19,  -0.16,
01/17 11Z,   0.00,  -3.90,  99.90,  -4.06,  -0.16,
01/17 12Z,   0.00,  -2.43,  99.90,  -2.59,  -0.16,
01/17 13Z,   0.00,  -1.66,  99.90,  -1.82,  -0.16,
01/17 14Z,   0.00,  -1.58,  99.90,  -1.74,  -0.16,  (max)
01/17 15Z,   0.00,  -2.14,  99.90,  -2.30,  -0.16,
01/17 16Z,   0.00,  -3.15,  99.90,  -3.31,  -0.16,
01/17 17Z,   0.00,  -4.22,  99.90,  -4.38,  -0.16,
01/17 18Z,   0.00,  -4.95,  99.90,  -5.11,  -0.16,
01/17 19Z,   0.00,  -5.18,  99.90,  -5.34,  -0.16,  (min)
01/17 20Z,   0.00,  -4.91,  99.90,  -5.07,  -0.16,
01/17 21Z,   0.00,  -4.29,  99.90,  -4.45,  -0.16,
01/17 22Z,   0.00,  -3.62,  99.90,  -3.78,  -0.16,
01/17 23Z,   0.00,  -3.30,  99.90,  -3.46,  -0.16,  (max)
01/18 00Z,   0.00,  -3.71,  99.90,  -3.87,  -0.16,
01/18 01Z,   0.00,  -4.94,  99.90,  -5.10,  -0.16,
01/18 02Z,   0.00,  -6.90,  99.90,  -7.06,  -0.16,
01/18 03Z,   0.00,  -9.35,  99.90,  -9.51,  -0.16,
01/18 04Z,   0.10, -11.88,  99.90, -11.94,  -0.16,
01/18 05Z,   0.10, -13.87,  99.90, -13.93,  -0.16,
01/18 06Z,   0.10, -14.74,  99.90, -14.80,  -0.16,  (min)
01/18 07Z,   0.10, -14.26,  99.90, -14.32,  -0.16,
01/18 08Z,   0.10, -12.61,  99.90, -12.67,  -0.16,
01/18 09Z,   0.10, -10.18,  99.90, -10.24,  -0.16,
01/18 10Z,   0.10,  -7.44,  99.90,  -7.50,  -0.16,
01/18 11Z,   0.10,  -4.89,  99.90,  -4.95,  -0.16,
01/18 12Z,   0.10,  -2.95,  99.90,  -3.01,  -0.16,
01/18 13Z,   0.10,  -1.80,  99.90,  -1.86,  -0.16,
01/18 14Z,   0.10,  -1.43,  99.90,  -1.49,  -0.16,  (max)
01/18 15Z,   0.10,  -1.76,  99.90,  -1.83,  -0.16,
01/18 16Z,   0.10,  -2.69,  99.90,  -2.75,  -0.16,
01/18 17Z,   0.10,  -3.91,  99.90,  -3.97,  -0.16,
01/18 18Z,   0.10,  -4.95,  99.90,  -5.01,  -0.16,
01/18 19Z,   0.10,  -5.46,  99.90,  -5.52,  -0.16,  (min)
01/18 20Z,   0.10,  -5.39,  99.90,  -5.45,  -0.16,
01/18 21Z,   0.10,  -4.84,  99.90,  -4.90,  -0.16,
01/18 22Z,   0.10,  -4.06,  99.90,  -4.13,  -0.16,
01/18 23Z,   0.10,  -3.40,  99.90,  -3.46,  -0.16,
01/19 00Z,   0.10,  -3.27,  99.90,  -3.33,  -0.16,  (max)
01/19 01Z,   0.10,  -3.96,  99.90,  -4.03,  -0.16,
01/19 02Z,   0.10,  -5.52,  99.90,  -5.58,  -0.16,
01/19 03Z,   0.10,  -7.76,  99.90,  -7.82,  -0.16,
01/19 04Z,   0.10, -10.37,  99.90, -10.43,  -0.16,
01/19 05Z,   0.10, -12.84,  99.90, -12.91,  -0.16,
01/19 06Z,   0.10, -14.53,  99.90, -14.59,  -0.16,
01/19 07Z,   0.10, -14.89,  99.90, -14.95,  -0.16,  (min)
01/19 08Z,   0.10, -13.85,  99.90, -13.91,  -0.16,
01/19 09Z,   0.10, -11.72,  99.90, -11.78,  -0.16,
01/19 10Z,   0.10,  -8.97,  99.90,  -9.03,  -0.16,
01/19 11Z,   0.10,  -6.14,  99.90,  -6.20,  -0.16,
01/19 12Z,   0.10,  -3.72,  99.90,  -3.78,  -0.16,
01/19 13Z,   0.10,  -2.09,  99.90,  -2.15,  -0.16,
01/19 14Z,   0.10,  -1.37,  99.90,  -1.43,  -0.16,  (max)
01/19 15Z,   0.10,  -1.47,  99.90,  -1.53,  -0.16,
01/19 16Z,   0.10,  -2.26,  99.90,  -2.32,  -0.16,
01/19 17Z,   0.10,  -3.51,  99.90,  -3.57,  -0.16,
01/19 18Z,   0.10,  -4.83,  99.90,  -4.89,  -0.16,
01/19 19Z,  99.90,  -5.73,  99.90,  99.90,  -0.16,
01/19 20Z,  99.90,  -5.95,  99.90,  99.90,  -0.16,
01/19 21Z,  99.90,  -5.54,  99.90,  99.90,  -0.16,
01/19 22Z,  99.90,  -4.74,  99.90,  99.90,  -0.16,
01/19 23Z,  99.90,  -3.86,  99.90,  99.90,  -0.16,
01/20 00Z,  99.90,  -3.28,  99.90,  99.90,  -0.16,