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
#North Spit, CA : 10/05/2026 20:23:58 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/04 00Z,   0.90,  -2.31,  -1.28,  99.90,   0.13,
10/04 01Z,   0.90,  -2.40,  -1.39,  99.90,   0.11,  (max)
10/04 02Z,   0.90,  -3.00,  -2.08,  99.90,   0.02,
10/04 03Z,   0.90,  -4.09,  -3.10,  99.90,   0.09,
10/04 04Z,   0.80,  -5.46,  -4.34,  99.90,   0.32,
10/04 05Z,   0.80,  -6.87,  -5.66,  99.90,   0.41,
10/04 06Z,   0.80,  -8.10,  -6.83,  99.90,   0.47,
10/04 07Z,   0.80,  -8.90,  -7.71,  99.90,   0.39,
10/04 08Z,   0.80,  -9.09,  -7.88,  99.90,   0.41,  (min)
10/04 09Z,   0.80,  -8.69,  -7.54,  99.90,   0.35,
10/04 10Z,   0.80,  -7.89,  -6.69,  99.90,   0.40,
10/04 11Z,   0.90,  -6.87,  -5.67,  99.90,   0.30,
10/04 12Z,   0.70,  -5.79,  -4.67,  99.90,   0.42,
10/04 13Z,   0.70,  -4.82,  -3.70,  99.90,   0.42,
10/04 14Z,   0.80,  -4.17,  -3.02,  99.90,   0.35,
10/04 15Z,   0.70,  -3.93,  -2.80,  99.90,   0.43,  (max)
10/04 16Z,   0.70,  -4.06,  -2.92,  99.90,   0.44,
10/04 17Z,   0.70,  -4.44,  -3.40,  99.90,   0.34,
10/04 18Z,   0.60,  -4.90,  -3.90,  99.90,   0.40,
10/04 19Z,   0.70,  -5.27,  -4.25,  99.90,   0.32,
10/04 20Z,   0.70,  -5.36,  -4.32,  99.90,   0.34,  (min)
10/04 21Z,   0.70,  -5.06,  -4.02,  99.90,   0.34,
10/04 22Z,   0.70,  -4.48,  -3.46,  99.90,   0.32,
10/04 23Z,   0.70,  -3.78,  -2.73,  99.90,   0.35,
10/05 00Z,   0.70,  -3.12,  -2.02,  99.90,   0.40,
10/05 01Z,   0.70,  -2.65,  -1.55,  99.90,   0.40,
10/05 02Z,   0.80,  -2.55,  -1.42,  99.90,   0.33,  (max)
10/05 03Z,   0.70,  -2.98,  -1.88,  99.90,   0.40,
10/05 04Z,   0.70,  -3.91,  -2.85,  99.90,   0.36,
10/05 05Z,   0.70,  -5.19,  -4.07,  99.90,   0.42,
10/05 06Z,   0.70,  -6.59,  -5.38,  99.90,   0.51,
10/05 07Z,   0.70,  -7.88,  -6.63,  99.90,   0.55,
10/05 08Z,   0.70,  -8.77,  -7.65,  99.90,   0.42,
10/05 09Z,   0.80,  -9.06,  -7.94,  99.90,   0.32,  (min)
10/05 10Z,   0.80,  -8.73,  -7.64,  99.90,   0.29,
10/05 11Z,   0.80,  -7.94,  -6.80,  99.90,   0.34,
10/05 12Z,   0.70,  -6.86,  -5.75,  99.90,   0.41,
10/05 13Z,   0.70,  -5.67,  -4.62,  99.90,   0.35,
10/05 14Z,   0.80,  -4.58,  -3.58,  99.90,   0.20,
10/05 15Z,   0.70,  -3.84,  -2.81,  99.90,   0.33,
10/05 16Z,   0.70,  -3.58,  -2.51,  99.90,   0.37,  (max)
10/05 17Z,   0.70,  -3.75,  -2.75,  99.90,   0.30,
10/05 18Z,   0.70,  -4.27,  -3.38,  99.90,   0.19,
10/05 19Z,   0.70,  -4.95,  -4.09,  99.90,   0.16,
10/05 20Z,   0.70,  -5.57,  -4.64,  99.90,   0.23,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/05 21Z,   0.70,  -5.86,  99.90,  -4.93,   0.23,  (min)
10/05 22Z,   0.70,  -5.70,  99.90,  -4.77,   0.23,
10/05 23Z,   0.80,  -5.15,  99.90,  -4.12,   0.24,
10/06 00Z,   0.80,  -4.39,  99.90,  -3.35,   0.24,
10/06 01Z,   0.80,  -3.58,  99.90,  -2.54,   0.24,
10/06 02Z,   0.80,  -2.91,  99.90,  -1.86,   0.24,
10/06 03Z,   0.80,  -2.62,  99.90,  -1.58,   0.25,  (max)
10/06 04Z,   0.80,  -2.90,  99.90,  -1.85,   0.25,
10/06 05Z,   0.80,  -3.73,  99.90,  -2.68,   0.25,
10/06 06Z,   0.70,  -4.97,  99.90,  -4.01,   0.26,
10/06 07Z,   0.80,  -6.40,  99.90,  -5.34,   0.26,
10/06 08Z,   0.80,  -7.76,  99.90,  -6.70,   0.26,
10/06 09Z,   0.80,  -8.72,  99.90,  -7.66,   0.26,
10/06 10Z,   0.80,  -9.03,  99.90,  -7.96,   0.26,  (min)
10/06 11Z,   0.80,  -8.66,  99.90,  -7.60,   0.26,
10/06 12Z,   0.90,  -7.78,  99.90,  -6.62,   0.26,
10/06 13Z,   0.90,  -6.57,  99.90,  -5.41,   0.26,
10/06 14Z,   0.90,  -5.25,  99.90,  -4.09,   0.26,
10/06 15Z,   0.80,  -4.08,  99.90,  -3.02,   0.26,
10/06 16Z,   0.90,  -3.34,  99.90,  -2.18,   0.26,
10/06 17Z,   0.90,  -3.16,  99.90,  -2.00,   0.26,  (max)
10/06 18Z,   0.80,  -3.51,  99.90,  -2.45,   0.26,
10/06 19Z,   0.80,  -4.27,  99.90,  -3.21,   0.26,
10/06 20Z,   0.80,  -5.25,  99.90,  -4.18,   0.26,
10/06 21Z,   0.90,  -6.12,  99.90,  -4.96,   0.26,
10/06 22Z,   0.90,  -6.57,  99.90,  -5.41,   0.26,  (min)
10/06 23Z,   0.90,  -6.46,  99.90,  -5.29,   0.26,
10/07 00Z,   0.90,  -5.85,  99.90,  -4.69,   0.26,
10/07 01Z,   0.90,  -4.94,  99.90,  -3.78,   0.26,
10/07 02Z,   0.90,  -3.93,  99.90,  -2.77,   0.26,
10/07 03Z,   0.90,  -3.07,  99.90,  -1.91,   0.26,
10/07 04Z,   0.90,  -2.64,  99.90,  -1.48,   0.26,  (max)
10/07 05Z,   0.80,  -2.83,  99.90,  -1.76,   0.26,
10/07 06Z,   0.90,  -3.62,  99.90,  -2.46,   0.26,
10/07 07Z,   0.90,  -4.87,  99.90,  -3.71,   0.26,
10/07 08Z,   0.90,  -6.36,  99.90,  -5.20,   0.26,
10/07 09Z,   0.90,  -7.76,  99.90,  -6.59,   0.26,
10/07 10Z,   1.00,  -8.69,  99.90,  -7.42,   0.26,
10/07 11Z,   1.00,  -8.90,  99.90,  -7.64,   0.26,  (min)
10/07 12Z,   1.00,  -8.39,  99.90,  -7.13,   0.26,
10/07 13Z,   1.00,  -7.34,  99.90,  -6.08,   0.26,
10/07 14Z,   1.00,  -5.99,  99.90,  -4.72,   0.26,
10/07 15Z,   0.90,  -4.57,  99.90,  -3.41,   0.26,
10/07 16Z,   0.90,  -3.41,  99.90,  -2.25,   0.26,
10/07 17Z,   0.90,  -2.78,  99.90,  -1.62,   0.26,  (max)
10/07 18Z,   0.90,  -2.81,  99.90,  -1.65,   0.26,
10/07 19Z,   0.90,  -3.44,  99.90,  -2.28,   0.26,
10/07 20Z,   0.90,  -4.53,  99.90,  -3.37,   0.26,
10/07 21Z,   0.90,  -5.79,  99.90,  -4.63,   0.26,
10/07 22Z,   0.90,  -6.86,  99.90,  -5.70,   0.26,
10/07 23Z,   1.00,  -7.37,  99.90,  -6.11,   0.26,  (min)
10/08 00Z,   1.00,  -7.19,  99.90,  -5.93,   0.26,
10/08 01Z,   1.00,  -6.45,  99.90,  -5.19,   0.26,
10/08 02Z,   1.00,  -5.35,  99.90,  -4.09,   0.26,
10/08 03Z,   0.90,  -4.15,  99.90,  -2.99,   0.26,
10/08 04Z,   0.90,  -3.15,  99.90,  -1.99,   0.26,
10/08 05Z,   0.90,  -2.65,  99.90,  -1.49,   0.26,  (max)
10/08 06Z,   0.90,  -2.82,  99.90,  -1.66,   0.26,
10/08 07Z,   0.90,  -3.64,  99.90,  -2.47,   0.26,
10/08 08Z,   1.00,  -4.93,  99.90,  -3.67,   0.26,
10/08 09Z,   1.00,  -6.44,  99.90,  -5.17,   0.26,
10/08 10Z,   1.00,  -7.78,  99.90,  -6.52,   0.26,
10/08 11Z,   1.00,  -8.57,  99.90,  -7.31,   0.26,
10/08 12Z,   1.00,  -8.58,  99.90,  -7.32,   0.26,  (min)
10/08 13Z,   1.00,  -7.86,  99.90,  -6.59,   0.26,
10/08 14Z,   1.00,  -6.62,  99.90,  -5.36,   0.26,
10/08 15Z,   1.00,  -5.15,  99.90,  -3.89,   0.26,
10/08 16Z,   1.00,  -3.73,  99.90,  -2.47,   0.26,
10/08 17Z,   1.00,  -2.69,  99.90,  -1.43,   0.26,
10/08 18Z,   0.90,  -2.31,  99.90,  -1.14,   0.26,  (max)
10/08 19Z,   1.00,  -2.65,  99.90,  -1.39,   0.26,
10/08 20Z,   0.90,  -3.64,  99.90,  -2.48,   0.26,
10/08 21Z,   1.00,  -5.05,  99.90,  -3.78,   0.26,
10/08 22Z,   1.00,  -6.54,  99.90,  -5.27,   0.26,
10/08 23Z,   1.00,  -7.68,  99.90,  -6.42,   0.26,
10/09 00Z,   1.00,  -8.13,  99.90,  -6.86,   0.26,  (min)
10/09 01Z,   1.00,  -7.79,  99.90,  -6.53,   0.26,
10/09 02Z,   1.00,  -6.85,  99.90,  -5.59,   0.26,
10/09 03Z,   1.00,  -5.57,  99.90,  -4.31,   0.26,
10/09 04Z,   1.00,  -4.23,  99.90,  -2.97,   0.26,
10/09 05Z,   1.00,  -3.17,  99.90,  -1.91,   0.26,
10/09 06Z,   1.00,  -2.69,  99.90,  -1.42,   0.26,  (max)
10/09 07Z,   1.00,  -2.91,  99.90,  -1.65,   0.26,
10/09 08Z,   1.00,  -3.79,  99.90,  -2.53,   0.26,
10/09 09Z,   1.00,  -5.11,  99.90,  -3.84,   0.26,
10/09 10Z,   1.00,  -6.56,  99.90,  -5.30,   0.26,
10/09 11Z,   1.00,  -7.75,  99.90,  -6.49,   0.26,
10/09 12Z,   1.00,  -8.30,  99.90,  -7.04,   0.26,