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
#Cherry Point, WA : 08/19/2026 14:22:52 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/17 18Z,   0.20,  -4.69,  -4.69,  99.90,  -0.20,  (max)
08/17 19Z,   0.20,  -5.54,  -5.39,  99.90,  -0.05,
08/17 20Z,   0.10,  -6.48,  -6.39,  99.90,  -0.01,
08/17 21Z,   0.10,  -7.22,  -7.04,  99.90,   0.08,
08/17 22Z,   0.20,  -7.50,  -7.25,  99.90,   0.05,  (min)
08/17 23Z,   0.20,  -7.17,  -6.93,  99.90,   0.04,
08/18 00Z,   0.20,  -6.29,  -6.04,  99.90,   0.05,
08/18 01Z,   0.20,  -5.08,  -4.89,  99.90,  -0.01,
08/18 02Z,   0.30,  -3.82,  -3.58,  99.90,  -0.06,
08/18 03Z,   0.30,  -2.80,  -2.55,  99.90,  -0.05,
08/18 04Z,   0.30,  -2.29,  -2.14,  99.90,  -0.15,  (max)
08/18 05Z,   0.30,  -2.46,  -2.28,  99.90,  -0.12,
08/18 06Z,   0.30,  -3.33,  -3.22,  99.90,  -0.19,
08/18 07Z,   0.30,  -4.75,  -4.65,  99.90,  -0.20,
08/18 08Z,   0.30,  -6.40,  -6.24,  99.90,  -0.14,
08/18 09Z,   0.30,  -7.98,  -7.83,  99.90,  -0.15,
08/18 10Z,   0.30,  -9.16,  -9.02,  99.90,  -0.16,
08/18 11Z,   0.40,  -9.72,  -9.66,  99.90,  -0.34,  (min)
08/18 12Z,   0.30,  -9.57,  -9.58,  99.90,  -0.31,
08/18 13Z,   0.30,  -8.83,  -8.74,  99.90,  -0.21,
08/18 14Z,   0.30,  -7.70,  -7.72,  99.90,  -0.32,
08/18 15Z,   0.30,  -6.44,  -6.48,  99.90,  -0.34,
08/18 16Z,   0.30,  -5.30,  -5.36,  99.90,  -0.36,
08/18 17Z,   0.30,  -4.52,  -4.66,  99.90,  -0.44,
08/18 18Z,   0.20,  -4.25,  -4.30,  99.90,  -0.25,  (max)
08/18 19Z,   0.20,  -4.46,  -4.52,  99.90,  -0.26,
08/18 20Z,   0.20,  -4.98,  -4.98,  99.90,  -0.20,
08/18 21Z,   0.20,  -5.58,  -5.55,  99.90,  -0.17,
08/18 22Z,   0.20,  -6.02,  -5.95,  99.90,  -0.13,
08/18 23Z,   0.20,  -6.10,  -5.98,  99.90,  -0.08,  (min)
08/19 00Z,   0.20,  -5.75,  -5.58,  99.90,  -0.03,
08/19 01Z,   0.20,  -5.02,  -4.83,  99.90,  -0.01,
08/19 02Z,   0.20,  -4.12,  -3.92,  99.90,  -0.00,
08/19 03Z,   0.20,  -3.28,  -3.10,  99.90,  -0.02,
08/19 04Z,   0.20,  -2.73,  -2.58,  99.90,  -0.05,
08/19 05Z,   0.20,  -2.65,  -2.51,  99.90,  -0.06,  (max)
08/19 06Z,   0.30,  -3.19,  -3.08,  99.90,  -0.19,
08/19 07Z,   0.30,  -4.28,  -4.22,  99.90,  -0.24,
08/19 08Z,   0.30,  -5.76,  -5.66,  99.90,  -0.20,
08/19 09Z,   0.30,  -7.34,  -7.21,  99.90,  -0.17,
08/19 10Z,   0.30,  -8.76,  -8.60,  99.90,  -0.14,
08/19 11Z,   0.30,  -9.75,  -9.65,  99.90,  -0.20,
08/19 12Z,   0.30, -10.13, -10.14,  99.90,  -0.31,  (min)
08/19 13Z,   0.30,  -9.86,  -9.85,  99.90,  -0.29,
08/19 14Z,   0.30,  -9.06,  -9.01,  99.90,  -0.25,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/19 15Z,   0.30,  -7.91,  99.90,  -7.85,  -0.25,
08/19 16Z,   0.30,  -6.63,  99.90,  -6.56,  -0.24,
08/19 17Z,   0.30,  -5.44,  99.90,  -5.37,  -0.23,
08/19 18Z,   0.30,  -4.57,  99.90,  -4.49,  -0.22,
08/19 19Z,   0.30,  -4.12,  99.90,  -4.04,  -0.21,
08/19 20Z,   0.30,  -4.08,  99.90,  -3.99,  -0.20,  (max)
08/19 21Z,   0.20,  -4.31,  99.90,  -4.31,  -0.20,
08/19 22Z,   0.20,  -4.65,  99.90,  -4.64,  -0.19,
08/19 23Z,   0.30,  -4.91,  99.90,  -4.79,  -0.18,
08/20 00Z,   0.30,  -4.95,  99.90,  -4.82,  -0.17,  (min)
08/20 01Z,   0.30,  -4.68,  99.90,  -4.54,  -0.16,
08/20 02Z,   0.30,  -4.19,  99.90,  -4.04,  -0.16,
08/20 03Z,   0.30,  -3.62,  99.90,  -3.48,  -0.16,
08/20 04Z,   0.30,  -3.17,  99.90,  -3.03,  -0.16,
08/20 05Z,   0.30,  -2.99,  99.90,  -2.85,  -0.16,  (max)
08/20 06Z,   0.30,  -3.23,  99.90,  -3.09,  -0.16,
08/20 07Z,   0.30,  -3.96,  99.90,  -3.82,  -0.16,
08/20 08Z,   0.30,  -5.13,  99.90,  -4.98,  -0.16,
08/20 09Z,   0.30,  -6.55,  99.90,  -6.40,  -0.16,
08/20 10Z,   0.30,  -8.00,  99.90,  -7.85,  -0.16,
08/20 11Z,   0.30,  -9.25,  99.90,  -9.11,  -0.16,
08/20 12Z,   0.30, -10.09,  99.90,  -9.94,  -0.16,
08/20 13Z,   0.40, -10.35,  99.90, -10.11,  -0.16,  (min)
08/20 14Z,   0.40, -10.02,  99.90,  -9.78,  -0.16,
08/20 15Z,   0.30,  -9.20,  99.90,  -9.05,  -0.16,
08/20 16Z,   0.30,  -8.04,  99.90,  -7.90,  -0.16,
08/20 17Z,   0.40,  -6.74,  99.90,  -6.50,  -0.16,
08/20 18Z,   0.40,  -5.50,  99.90,  -5.25,  -0.16,
08/20 19Z,   0.30,  -4.50,  99.90,  -4.36,  -0.16,
08/20 20Z,   0.30,  -3.88,  99.90,  -3.74,  -0.16,
08/20 21Z,   0.30,  -3.63,  99.90,  -3.48,  -0.16,  (max)
08/20 22Z,   0.30,  -3.66,  99.90,  -3.51,  -0.16,
08/20 23Z,   0.30,  -3.85,  99.90,  -3.70,  -0.16,
08/21 00Z,   0.30,  -4.06,  99.90,  -3.92,  -0.16,
08/21 01Z,   0.30,  -4.15,  99.90,  -4.01,  -0.16,  (min)
08/21 02Z,   0.30,  -4.05,  99.90,  -3.91,  -0.16,
08/21 03Z,   0.30,  -3.81,  99.90,  -3.67,  -0.16,
08/21 04Z,   0.30,  -3.54,  99.90,  -3.40,  -0.16,
08/21 05Z,   0.30,  -3.37,  99.90,  -3.22,  -0.16,  (max)
08/21 06Z,   0.30,  -3.42,  99.90,  -3.27,  -0.16,
08/21 07Z,   0.30,  -3.81,  99.90,  -3.66,  -0.16,
08/21 08Z,   0.30,  -4.60,  99.90,  -4.45,  -0.16,
08/21 09Z,   0.30,  -5.73,  99.90,  -5.58,  -0.16,
08/21 10Z,   0.30,  -7.05,  99.90,  -6.91,  -0.16,
08/21 11Z,   0.30,  -8.38,  99.90,  -8.24,  -0.16,
08/21 12Z,   0.30,  -9.53,  99.90,  -9.38,  -0.16,
08/21 13Z,   0.40, -10.28,  99.90, -10.04,  -0.16,
08/21 14Z,   0.30, -10.50,  99.90, -10.35,  -0.16,  (min)
08/21 15Z,   0.30, -10.15,  99.90, -10.00,  -0.16,
08/21 16Z,   0.40,  -9.32,  99.90,  -9.07,  -0.16,
08/21 17Z,   0.40,  -8.14,  99.90,  -7.90,  -0.16,
08/21 18Z,   0.30,  -6.79,  99.90,  -6.64,  -0.16,
08/21 19Z,   0.30,  -5.45,  99.90,  -5.31,  -0.16,
08/21 20Z,   0.30,  -4.34,  99.90,  -4.19,  -0.16,
08/21 21Z,   0.30,  -3.57,  99.90,  -3.42,  -0.16,
08/21 22Z,   0.30,  -3.17,  99.90,  -3.03,  -0.16,
08/21 23Z,   0.30,  -3.11,  99.90,  -2.97,  -0.16,  (max)
08/22 00Z,   0.30,  -3.28,  99.90,  -3.14,  -0.16,
08/22 01Z,   0.30,  -3.55,  99.90,  -3.41,  -0.16,
08/22 02Z,   0.30,  -3.77,  99.90,  -3.63,  -0.16,  (min)
08/22 03Z,   0.40,  -3.84,  99.90,  -3.60,  -0.16,
08/22 04Z,   0.40,  -3.80,  99.90,  -3.55,  -0.16,
08/22 05Z,   0.40,  -3.71,  99.90,  -3.47,  -0.16,
08/22 06Z,   0.40,  -3.68,  99.90,  -3.44,  -0.16,  (max)
08/22 07Z,   0.40,  -3.81,  99.90,  -3.57,  -0.16,
08/22 08Z,   0.40,  -4.23,  99.90,  -3.98,  -0.16,
08/22 09Z,   0.40,  -4.99,  99.90,  -4.75,  -0.16,
08/22 10Z,   0.50,  -6.06,  99.90,  -5.72,  -0.16,
08/22 11Z,   0.50,  -7.32,  99.90,  -6.98,  -0.16,
08/22 12Z,   0.50,  -8.61,  99.90,  -8.26,  -0.16,
08/22 13Z,   0.50,  -9.73,  99.90,  -9.38,  -0.16,
08/22 14Z,   0.50, -10.47,  99.90, -10.12,  -0.16,
08/22 15Z,   0.50, -10.67,  99.90, -10.32,  -0.16,  (min)
08/22 16Z,   0.50, -10.30,  99.90,  -9.95,  -0.16,
08/22 17Z,   0.50,  -9.43,  99.90,  -9.08,  -0.16,
08/22 18Z,   0.50,  -8.19,  99.90,  -7.84,  -0.16,
08/22 19Z,   0.50,  -6.73,  99.90,  -6.39,  -0.16,
08/22 20Z,   0.50,  -5.29,  99.90,  -4.94,  -0.16,
08/22 21Z,   0.40,  -4.07,  99.90,  -3.82,  -0.16,
08/22 22Z,   0.40,  -3.22,  99.90,  -2.97,  -0.16,
08/22 23Z,   0.40,  -2.79,  99.90,  -2.54,  -0.16,
08/23 00Z,   0.40,  -2.75,  99.90,  -2.51,  -0.16,  (max)
08/23 01Z,   0.40,  -3.01,  99.90,  -2.77,  -0.16,
08/23 02Z,   0.40,  -3.41,  99.90,  -3.16,  -0.16,
08/23 03Z,   0.40,  -3.76,  99.90,  -3.51,  -0.16,
08/23 04Z,   0.40,  -3.95,  99.90,  -3.71,  -0.16,
08/23 05Z,   0.40,  -4.00,  99.90,  -3.76,  -0.16,  (min)
08/23 06Z,   0.40,  -3.97,  99.90,  -3.72,  -0.16,