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 : 05/15/2025 13:21:46 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/13 18Z,   0.50, -14.22, -13.71,  99.90,   0.01,
05/13 19Z,   0.50, -15.02, -14.59,  99.90,  -0.07,  (min)
05/13 20Z,   0.50, -14.42, -13.95,  99.90,  -0.03,
05/13 21Z,   0.40, -12.64, -12.32,  99.90,  -0.08,
05/13 22Z,   0.40, -10.12,  -9.94,  99.90,  -0.22,
05/13 23Z,   0.40,  -7.39,  -7.21,  99.90,  -0.22,
05/14 00Z,   0.50,  -4.95,  -4.84,  99.90,  -0.39,
05/14 01Z,   0.50,  -3.20,  -3.23,  99.90,  -0.53,
05/14 02Z,   0.50,  -2.32,  -2.32,  99.90,  -0.50,
05/14 03Z,   0.50,  -2.23,  -2.29,  99.90,  -0.56,  (max)
05/14 04Z,   0.40,  -2.74,  -2.78,  99.90,  -0.44,
05/14 05Z,   0.40,  -3.67,  -3.57,  99.90,  -0.30,
05/14 06Z,   0.40,  -4.75,  -4.64,  99.90,  -0.29,
05/14 07Z,   0.40,  -5.57,  -5.53,  99.90,  -0.36,
05/14 08Z,   0.40,  -5.83,  -5.84,  99.90,  -0.41,  (min)
05/14 09Z,   0.40,  -5.53,  -5.59,  99.90,  -0.46,
05/14 10Z,   0.40,  -4.88,  -4.86,  99.90,  -0.38,
05/14 11Z,   0.40,  -4.16,  -4.10,  99.90,  -0.34,
05/14 12Z,   0.30,  -3.67,  -3.50,  99.90,  -0.13,
05/14 13Z,   0.30,  -3.74,  -3.41,  99.90,   0.03,  (max)
05/14 14Z,   0.30,  -4.63,  -4.11,  99.90,   0.22,
05/14 15Z,   0.30,  -6.33,  -5.67,  99.90,   0.36,
05/14 16Z,   0.30,  -8.61,  -7.93,  99.90,   0.38,
05/14 17Z,   0.30, -11.14, -10.63,  99.90,   0.21,
05/14 18Z,   0.20, -13.44, -13.08,  99.90,   0.16,
05/14 19Z,   0.20, -14.94, -14.62,  99.90,   0.12,
05/14 20Z,   0.20, -15.13, -14.68,  99.90,   0.25,  (min)
05/14 21Z,   0.20, -13.94, -13.52,  99.90,   0.22,
05/14 22Z,   0.20, -11.72, -11.52,  99.90,  -0.00,
05/14 23Z,   0.20,  -9.00,  -8.88,  99.90,  -0.08,
05/15 00Z,   0.30,  -6.29,  -6.18,  99.90,  -0.19,
05/15 01Z,   0.30,  -4.06,  -4.08,  99.90,  -0.32,
05/15 02Z,   0.30,  -2.63,  -2.76,  99.90,  -0.43,
05/15 03Z,   0.30,  -2.07,  -2.24,  99.90,  -0.47,  (max)
05/15 04Z,   0.30,  -2.23,  -2.33,  99.90,  -0.40,
05/15 05Z,   0.30,  -2.90,  -2.92,  99.90,  -0.32,
05/15 06Z,   0.30,  -3.88,  -3.85,  99.90,  -0.27,
05/15 07Z,   0.30,  -4.87,  -4.87,  99.90,  -0.30,
05/15 08Z,   0.30,  -5.50,  -5.51,  99.90,  -0.31,
05/15 09Z,   0.30,  -5.58,  -5.63,  99.90,  -0.35,  (min)
05/15 10Z,   0.30,  -5.19,  -5.26,  99.90,  -0.37,
05/15 11Z,   0.30,  -4.61,  -4.65,  99.90,  -0.34,
05/15 12Z,   0.30,  -4.08,  -4.08,  99.90,  -0.30,
05/15 13Z,   0.30,  -3.88,  -3.72,  99.90,  -0.14,  (max)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/15 14Z,   0.30,  -4.28,  99.90,  -4.13,  -0.14,
05/15 15Z,   0.20,  -5.48,  99.90,  -5.41,  -0.14,
05/15 16Z,   0.20,  -7.38,  99.90,  -7.32,  -0.14,
05/15 17Z,   0.20,  -9.73,  99.90,  -9.67,  -0.14,
05/15 18Z,   0.20, -12.16,  99.90, -12.09,  -0.13,
05/15 19Z,   0.20, -14.17,  99.90, -14.10,  -0.13,
05/15 20Z,   0.20, -15.20,  99.90, -15.13,  -0.13,  (min)
05/15 21Z,   0.20, -14.87,  99.90, -14.79,  -0.13,
05/15 22Z,   0.30, -13.23,  99.90, -13.06,  -0.13,
05/15 23Z,   0.30, -10.76,  99.90, -10.59,  -0.12,
05/16 00Z,   0.30,  -8.01,  99.90,  -7.83,  -0.12,
05/16 01Z,   0.30,  -5.45,  99.90,  -5.26,  -0.12,
05/16 02Z,   0.30,  -3.48,  99.90,  -3.30,  -0.12,
05/16 03Z,   0.30,  -2.35,  99.90,  -2.17,  -0.12,
05/16 04Z,   0.30,  -2.05,  99.90,  -1.87,  -0.12,  (max)
05/16 05Z,   0.30,  -2.39,  99.90,  -2.21,  -0.12,
05/16 06Z,   0.30,  -3.16,  99.90,  -2.98,  -0.12,
05/16 07Z,   0.30,  -4.13,  99.90,  -3.95,  -0.12,
05/16 08Z,   0.30,  -5.01,  99.90,  -4.83,  -0.12,
05/16 09Z,   0.30,  -5.47,  99.90,  -5.29,  -0.12,  (min)
05/16 10Z,   0.30,  -5.42,  99.90,  -5.24,  -0.12,
05/16 11Z,   0.30,  -5.02,  99.90,  -4.84,  -0.12,
05/16 12Z,   0.30,  -4.54,  99.90,  -4.36,  -0.12,
05/16 13Z,   0.30,  -4.20,  99.90,  -4.02,  -0.12,  (max)
05/16 14Z,   0.30,  -4.24,  99.90,  -4.06,  -0.12,
05/16 15Z,   0.30,  -4.89,  99.90,  -4.71,  -0.12,
05/16 16Z,   0.30,  -6.27,  99.90,  -6.09,  -0.12,
05/16 17Z,   0.30,  -8.26,  99.90,  -8.08,  -0.12,
05/16 18Z,   0.30, -10.57,  99.90, -10.39,  -0.12,
05/16 19Z,   0.30, -12.82,  99.90, -12.63,  -0.12,
05/16 20Z,   0.30, -14.50,  99.90, -14.32,  -0.12,
05/16 21Z,   0.30, -15.11,  99.90, -14.93,  -0.12,  (min)
05/16 22Z,   0.30, -14.36,  99.90, -14.18,  -0.12,
05/16 23Z,   0.30, -12.46,  99.90, -12.28,  -0.12,
05/17 00Z,   0.30,  -9.90,  99.90,  -9.72,  -0.12,
05/17 01Z,   0.30,  -7.23,  99.90,  -7.05,  -0.12,
05/17 02Z,   0.30,  -4.87,  99.90,  -4.69,  -0.12,
05/17 03Z,   0.30,  -3.15,  99.90,  -2.97,  -0.12,
05/17 04Z,   0.30,  -2.27,  99.90,  -2.09,  -0.12,
05/17 05Z,   0.30,  -2.17,  99.90,  -1.99,  -0.12,  (max)
05/17 06Z,   0.30,  -2.63,  99.90,  -2.45,  -0.12,
05/17 07Z,   0.40,  -3.44,  99.90,  -3.16,  -0.12,
05/17 08Z,   0.40,  -4.38,  99.90,  -4.10,  -0.12,
05/17 09Z,   0.40,  -5.17,  99.90,  -4.88,  -0.12,
05/17 10Z,   0.40,  -5.52,  99.90,  -5.24,  -0.12,  (min)
05/17 11Z,   0.40,  -5.41,  99.90,  -5.13,  -0.12,
05/17 12Z,   0.40,  -5.05,  99.90,  -4.77,  -0.12,
05/17 13Z,   0.40,  -4.68,  99.90,  -4.40,  -0.12,
05/17 14Z,   0.40,  -4.50,  99.90,  -4.22,  -0.12,  (max)
05/17 15Z,   0.40,  -4.69,  99.90,  -4.41,  -0.12,
05/17 16Z,   0.40,  -5.48,  99.90,  -5.20,  -0.12,
05/17 17Z,   0.40,  -6.93,  99.90,  -6.65,  -0.12,
05/17 18Z,   0.40,  -8.90,  99.90,  -8.62,  -0.12,
05/17 19Z,   0.40, -11.09,  99.90, -10.81,  -0.12,
05/17 20Z,   0.50, -13.11,  99.90, -12.72,  -0.12,
05/17 21Z,   0.50, -14.48,  99.90, -14.09,  -0.12,
05/17 22Z,   0.50, -14.74,  99.90, -14.35,  -0.12,  (min)
05/17 23Z,   0.50, -13.72,  99.90, -13.34,  -0.12,
05/18 00Z,   0.50, -11.70,  99.90, -11.32,  -0.12,
05/18 01Z,   0.50,  -9.18,  99.90,  -8.80,  -0.12,
05/18 02Z,   0.50,  -6.65,  99.90,  -6.27,  -0.12,
05/18 03Z,   0.50,  -4.48,  99.90,  -4.10,  -0.12,
05/18 04Z,   0.50,  -2.98,  99.90,  -2.60,  -0.12,
05/18 05Z,   0.50,  -2.29,  99.90,  -1.90,  -0.12,
05/18 06Z,   0.60,  -2.32,  99.90,  -1.84,  -0.12,  (max)
05/18 07Z,   0.60,  -2.86,  99.90,  -2.38,  -0.12,
05/18 08Z,   0.60,  -3.72,  99.90,  -3.24,  -0.12,
05/18 09Z,   0.60,  -4.67,  99.90,  -4.19,  -0.12,
05/18 10Z,   0.60,  -5.41,  99.90,  -4.93,  -0.12,
05/18 11Z,   0.60,  -5.73,  99.90,  -5.25,  -0.12,  (min)
05/18 12Z,   0.60,  -5.64,  99.90,  -5.15,  -0.12,
05/18 13Z,   0.60,  -5.34,  99.90,  -4.86,  -0.12,
05/18 14Z,   0.50,  -5.05,  99.90,  -4.67,  -0.12,
05/18 15Z,   0.50,  -4.94,  99.90,  -4.55,  -0.12,  (max)
05/18 16Z,   0.50,  -5.18,  99.90,  -4.80,  -0.12,
05/18 17Z,   0.40,  -5.98,  99.90,  -5.70,  -0.12,
05/18 18Z,   0.40,  -7.40,  99.90,  -7.12,  -0.12,
05/18 19Z,   0.40,  -9.25,  99.90,  -8.97,  -0.12,
05/18 20Z,   0.40, -11.25,  99.90, -10.97,  -0.12,
05/18 21Z,   0.40, -13.03,  99.90, -12.75,  -0.12,
05/18 22Z,   0.30, -14.12,  99.90, -13.94,  -0.12,
05/18 23Z,   0.30, -14.14,  99.90, -13.96,  -0.12,  (min)
05/19 00Z,   0.30, -12.98,  99.90, -12.80,  -0.12,
05/19 01Z,   0.30, -10.96,  99.90, -10.78,  -0.12,
05/19 02Z,   0.30,  -8.55,  99.90,  -8.37,  -0.12,
05/19 03Z,   0.30,  -6.17,  99.90,  -5.98,  -0.12,
05/19 04Z,   0.30,  -4.16,  99.90,  -3.98,  -0.12,
05/19 05Z,   0.30,  -2.83,  99.90,  -2.65,  -0.12,
05/19 06Z,   0.30,  -2.29,  99.90,  -2.11,  -0.12,