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
#Port Townsend, WA : 10/12/2026 22:24:57 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/11 06Z,   1.00,  -8.22,  -7.71,  99.90,  -0.49,  (min)
10/11 07Z,   0.90,  -7.65,  -7.01,  99.90,  -0.26,
10/11 08Z,   0.80,  -6.56,  -5.97,  99.90,  -0.21,
10/11 09Z,   0.90,  -5.16,  -4.70,  99.90,  -0.44,
10/11 10Z,   1.00,  -3.60,  -3.21,  99.90,  -0.61,
10/11 11Z,   0.90,  -2.13,  -1.67,  99.90,  -0.44,
10/11 12Z,   0.90,  -1.07,  -0.60,  99.90,  -0.43,
10/11 13Z,   0.90,  -0.64,  -0.19,  99.90,  -0.45,  (max)
10/11 14Z,   0.90,  -0.93,  -0.57,  99.90,  -0.54,
10/11 15Z,   0.90,  -1.84,  -1.38,  99.90,  -0.44,
10/11 16Z,   0.90,  -2.99,  -2.60,  99.90,  -0.51,
10/11 17Z,   1.00,  -3.86,  -3.61,  99.90,  -0.75,
10/11 18Z,   1.00,  -4.10,  -3.85,  99.90,  -0.75,  (min)
10/11 19Z,   0.90,  -3.74,  -3.51,  99.90,  -0.67,
10/11 20Z,   0.90,  -3.02,  -2.79,  99.90,  -0.67,
10/11 21Z,   1.00,  -2.15,  -1.94,  99.90,  -0.79,
10/11 22Z,   1.00,  -1.23,  -0.92,  99.90,  -0.69,
10/11 23Z,   0.90,  -0.49,  -0.18,  99.90,  -0.59,
10/12 00Z,   0.90,  -0.26,   0.10,  99.90,  -0.54,  (max)
10/12 01Z,   0.90,  -0.80,  -0.25,  99.90,  -0.35,
10/12 02Z,   0.90,  -2.13,  -1.60,  99.90,  -0.37,
10/12 03Z,   0.90,  -4.10,  -3.54,  99.90,  -0.34,
10/12 04Z,   0.90,  -6.28,  -5.66,  99.90,  -0.28,
10/12 05Z,   0.90,  -8.03,  -7.43,  99.90,  -0.30,
10/12 06Z,   0.90,  -8.86,  -8.28,  99.90,  -0.32,  (min)
10/12 07Z,   0.80,  -8.67,  -8.11,  99.90,  -0.24,
10/12 08Z,   0.80,  -7.74,  -7.18,  99.90,  -0.24,
10/12 09Z,   0.80,  -6.39,  -5.91,  99.90,  -0.32,
10/12 10Z,   0.90,  -4.81,  -4.58,  99.90,  -0.67,
10/12 11Z,   0.80,  -3.15,  -2.90,  99.90,  -0.55,
10/12 12Z,   0.90,  -1.68,  -1.31,  99.90,  -0.53,
10/12 13Z,   0.90,  -0.70,  -0.35,  99.90,  -0.55,
10/12 14Z,   0.90,  -0.36,  -0.16,  99.90,  -0.70,  (max)
10/12 15Z,   0.80,  -0.69,  -0.44,  99.90,  -0.55,
10/12 16Z,   0.80,  -1.53,  -1.37,  99.90,  -0.64,
10/12 17Z,   0.80,  -2.49,  -2.31,  99.90,  -0.62,
10/12 18Z,   0.80,  -3.11,  -3.06,  99.90,  -0.75,
10/12 19Z,   0.80,  -3.16,  -3.19,  99.90,  -0.83,  (min)
10/12 20Z,   0.80,  -2.75,  -2.72,  99.90,  -0.77,
10/12 21Z,   0.80,  -2.12,  -2.08,  99.90,  -0.76,
10/12 22Z,   0.80,  -1.43,  -1.40,  99.90,  -0.77,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/12 23Z,   0.80,  -0.79,  99.90,  -0.74,  -0.75,
10/13 00Z,   0.80,  -0.43,  99.90,  -0.36,  -0.73,  (max)
10/13 01Z,   0.80,  -0.67,  99.90,  -0.58,  -0.71,
10/13 02Z,   0.80,  -1.67,  99.90,  -1.56,  -0.69,
10/13 03Z,   0.80,  -3.36,  99.90,  -3.22,  -0.66,
10/13 04Z,   0.80,  -5.45,  99.90,  -5.30,  -0.64,
10/13 05Z,   0.80,  -7.48,  99.90,  -7.30,  -0.62,
10/13 06Z,   0.80,  -8.87,  99.90,  -8.67,  -0.60,
10/13 07Z,   0.80,  -9.25,  99.90,  -9.02,  -0.58,  (min)
10/13 08Z,   0.80,  -8.67,  99.90,  -8.42,  -0.55,
10/13 09Z,   0.80,  -7.48,  99.90,  -7.21,  -0.53,
10/13 10Z,   0.80,  -5.97,  99.90,  -5.68,  -0.51,
10/13 11Z,   0.80,  -4.30,  99.90,  -4.01,  -0.51,
10/13 12Z,   0.80,  -2.64,  99.90,  -2.35,  -0.51,
10/13 13Z,   0.80,  -1.27,  99.90,  -0.98,  -0.51,
10/13 14Z,   0.80,  -0.42,  99.90,  -0.13,  -0.51,
10/13 15Z,   0.80,  -0.19,  99.90,   0.10,  -0.51,  (max)
10/13 16Z,   0.80,  -0.53,  99.90,  -0.24,  -0.51,
10/13 17Z,   0.80,  -1.26,  99.90,  -0.97,  -0.51,
10/13 18Z,   0.80,  -2.02,  99.90,  -1.73,  -0.51,
10/13 19Z,   0.70,  -2.43,  99.90,  -2.24,  -0.51,  (min)
10/13 20Z,   0.70,  -2.38,  99.90,  -2.19,  -0.51,
10/13 21Z,   0.70,  -2.02,  99.90,  -1.82,  -0.51,
10/13 22Z,   0.70,  -1.55,  99.90,  -1.35,  -0.51,
10/13 23Z,   0.70,  -1.08,  99.90,  -0.89,  -0.51,
10/14 00Z,   0.70,  -0.72,  99.90,  -0.53,  -0.51,
10/14 01Z,   0.80,  -0.73,  99.90,  -0.44,  -0.51,  (max)
10/14 02Z,   0.70,  -1.36,  99.90,  -1.17,  -0.51,
10/14 03Z,   0.70,  -2.68,  99.90,  -2.49,  -0.51,
10/14 04Z,   0.70,  -4.52,  99.90,  -4.33,  -0.51,
10/14 05Z,   0.70,  -6.54,  99.90,  -6.35,  -0.51,
10/14 06Z,   0.70,  -8.26,  99.90,  -8.07,  -0.51,
10/14 07Z,   0.70,  -9.23,  99.90,  -9.03,  -0.51,  (min)
10/14 08Z,   0.70,  -9.19,  99.90,  -9.00,  -0.51,
10/14 09Z,   0.70,  -8.33,  99.90,  -8.14,  -0.51,
10/14 10Z,   0.70,  -7.00,  99.90,  -6.80,  -0.51,
10/14 11Z,   0.80,  -5.43,  99.90,  -5.14,  -0.51,
10/14 12Z,   0.80,  -3.78,  99.90,  -3.49,  -0.51,
10/14 13Z,   0.70,  -2.21,  99.90,  -2.02,  -0.51,
10/14 14Z,   0.80,  -0.98,  99.90,  -0.69,  -0.51,
10/14 15Z,   0.80,  -0.28,  99.90,   0.01,  -0.51,
10/14 16Z,   0.70,  -0.13,  99.90,   0.06,  -0.51,  (max)
10/14 17Z,   0.70,  -0.44,  99.90,  -0.25,  -0.51,
10/14 18Z,   0.70,  -1.04,  99.90,  -0.85,  -0.51,
10/14 19Z,   0.70,  -1.62,  99.90,  -1.43,  -0.51,
10/14 20Z,   0.60,  -1.91,  99.90,  -1.82,  -0.51,  (min)
10/14 21Z,   0.60,  -1.84,  99.90,  -1.75,  -0.51,
10/14 22Z,   0.60,  -1.60,  99.90,  -1.51,  -0.51,
10/14 23Z,   0.60,  -1.32,  99.90,  -1.22,  -0.51,
10/15 00Z,   0.60,  -1.06,  99.90,  -0.97,  -0.51,
10/15 01Z,   0.60,  -0.96,  99.90,  -0.87,  -0.51,  (max)
10/15 02Z,   0.60,  -1.25,  99.90,  -1.16,  -0.51,
10/15 03Z,   0.60,  -2.15,  99.90,  -2.06,  -0.51,
10/15 04Z,   0.60,  -3.62,  99.90,  -3.53,  -0.51,
10/15 05Z,   0.50,  -5.43,  99.90,  -5.44,  -0.51,
10/15 06Z,   0.50,  -7.22,  99.90,  -7.23,  -0.51,
10/15 07Z,   0.50,  -8.58,  99.90,  -8.59,  -0.51,
10/15 08Z,   0.50,  -9.15,  99.90,  -9.16,  -0.51,  (min)
10/15 09Z,   0.50,  -8.82,  99.90,  -8.83,  -0.51,
10/15 10Z,   0.50,  -7.81,  99.90,  -7.82,  -0.51,
10/15 11Z,   0.50,  -6.46,  99.90,  -6.47,  -0.51,
10/15 12Z,   0.50,  -4.94,  99.90,  -4.95,  -0.51,
10/15 13Z,   0.50,  -3.37,  99.90,  -3.38,  -0.51,
10/15 14Z,   0.50,  -1.93,  99.90,  -1.94,  -0.51,
10/15 15Z,   0.50,  -0.87,  99.90,  -0.88,  -0.51,
10/15 16Z,   0.50,  -0.29,  99.90,  -0.30,  -0.51,
10/15 17Z,   0.50,  -0.17,  99.90,  -0.18,  -0.51,  (max)
10/15 18Z,   0.50,  -0.42,  99.90,  -0.43,  -0.51,
10/15 19Z,   0.40,  -0.88,  99.90,  -0.99,  -0.51,
10/15 20Z,   0.40,  -1.34,  99.90,  -1.45,  -0.51,
10/15 21Z,   0.40,  -1.57,  99.90,  -1.68,  -0.51,  (min)
10/15 22Z,   0.50,  -1.58,  99.90,  -1.59,  -0.51,
10/15 23Z,   0.50,  -1.48,  99.90,  -1.49,  -0.51,
10/16 00Z,   0.50,  -1.38,  99.90,  -1.39,  -0.51,
10/16 01Z,   0.50,  -1.30,  99.90,  -1.31,  -0.51,  (max)
10/16 02Z,   0.50,  -1.37,  99.90,  -1.38,  -0.51,
10/16 03Z,   0.50,  -1.86,  99.90,  -1.86,  -0.51,
10/16 04Z,   0.60,  -2.88,  99.90,  -2.79,  -0.51,
10/16 05Z,   0.50,  -4.35,  99.90,  -4.36,  -0.51,
10/16 06Z,   0.50,  -5.99,  99.90,  -6.00,  -0.51,
10/16 07Z,   0.50,  -7.48,  99.90,  -7.49,  -0.51,
10/16 08Z,   0.60,  -8.50,  99.90,  -8.41,  -0.51,
10/16 09Z,   0.60,  -8.78,  99.90,  -8.69,  -0.51,  (min)
10/16 10Z,   0.60,  -8.30,  99.90,  -8.21,  -0.51,
10/16 11Z,   0.60,  -7.28,  99.90,  -7.19,  -0.51,
10/16 12Z,   0.60,  -6.00,  99.90,  -5.91,  -0.51,
10/16 13Z,  99.90,  -4.58,  99.90,  99.90,  -0.51,
10/16 14Z,  99.90,  -3.12,  99.90,  99.90,  -0.51,
10/16 15Z,  99.90,  -1.83,  99.90,  99.90,  -0.51,
10/16 16Z,  99.90,  -0.90,  99.90,  99.90,  -0.51,
10/16 17Z,  99.90,  -0.39,  99.90,  99.90,  -0.51,
10/16 18Z,  99.90,  -0.25,  99.90,  99.90,  -0.51,