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
#Nikiski, AK : 05/17/2025 19:22:21 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/16 00Z,  -0.40, -13.70, -12.94,  99.90,   1.16,
05/16 01Z,  -0.30,  -8.85,  -8.55,  99.90,   0.60,
05/16 02Z,  -0.20,  -5.12,  -4.85,  99.90,   0.47,
05/16 03Z,  -0.20,  -2.72,  -2.40,  99.90,   0.52,
05/16 04Z,  -0.20,  -1.94,  -1.74,  99.90,   0.40,  (max)
05/16 05Z,  -0.10,  -3.06,  -3.10,  99.90,   0.06,
05/16 06Z,  -0.10,  -5.79,  -6.10,  99.90,  -0.21,
05/16 07Z,  -0.10,  -9.20,  -9.46,  99.90,  -0.16,
05/16 08Z,   0.00, -12.15, -12.22,  99.90,  -0.07,
05/16 09Z,   0.00, -14.01, -14.17,  99.90,  -0.16,  (min)
05/16 10Z,   0.00, -14.21, -13.97,  99.90,   0.24,
05/16 11Z,   0.00, -12.07, -11.09,  99.90,   0.98,
05/16 12Z,   0.00,  -8.02,  -7.59,  99.90,   0.43,
05/16 13Z,   0.00,  -4.03,  -4.58,  99.90,  -0.55,
05/16 14Z,   0.10,  -1.68,  -2.16,  99.90,  -0.58,
05/16 15Z,   0.10,  -1.12,  -1.05,  99.90,  -0.03,  (max)
05/16 16Z,   0.10,  -2.10,  -1.87,  99.90,   0.13,
05/16 17Z,   0.10,  -4.59,  -4.70,  99.90,  -0.21,
05/16 18Z,   0.10,  -8.40,  -8.51,  99.90,  -0.21,
05/16 19Z,   0.10, -12.82, -12.31,  99.90,   0.41,
05/16 20Z,   0.10, -16.82, -16.20,  99.90,   0.52,
05/16 21Z,   0.10, -19.71, -19.48,  99.90,   0.13,
05/16 22Z,   0.10, -21.10, -21.25,  99.90,  -0.25,  (min)
05/16 23Z,   0.10, -20.28, -20.12,  99.90,   0.06,
05/17 00Z,   0.10, -16.86, -16.02,  99.90,   0.74,
05/17 01Z,   0.20, -12.09, -11.59,  99.90,   0.30,
05/17 02Z,   0.20,  -7.83,  -7.61,  99.90,   0.02,
05/17 03Z,   0.20,  -4.78,  -4.39,  99.90,   0.19,
05/17 04Z,   0.20,  -2.93,  -2.60,  99.90,   0.13,
05/17 05Z,   0.20,  -2.58,  -2.57,  99.90,  -0.19,  (max)
05/17 06Z,   0.20,  -3.97,  -4.39,  99.90,  -0.62,
05/17 07Z,   0.20,  -6.75,  -7.36,  99.90,  -0.81,
05/17 08Z,   0.30,  -9.93, -10.19,  99.90,  -0.56,
05/17 09Z,   0.30, -12.44, -12.46,  99.90,  -0.32,
05/17 10Z,   0.30, -13.74, -13.65,  99.90,  -0.21,  (min)
05/17 11Z,   0.30, -13.39, -12.71,  99.90,   0.38,
05/17 12Z,   0.30, -10.90,  -9.86,  99.90,   0.74,
05/17 13Z,   0.30,  -7.02,  -6.93,  99.90,  -0.21,
05/17 14Z,   0.30,  -3.72,  -4.35,  99.90,  -0.93,
05/17 15Z,   0.30,  -2.13,  -2.59,  99.90,  -0.76,
05/17 16Z,   0.30,  -2.09,  -2.18,  99.90,  -0.39,  (max)
05/17 17Z,   0.20,  -3.35,  -3.58,  99.90,  -0.43,
05/17 18Z,   0.20,  -5.94,  -6.58,  99.90,  -0.84,
05/17 19Z,   0.10,  -9.67, -10.07,  99.90,  -0.50,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/17 20Z,   0.10, -13.77,  99.90, -14.12,  -0.45,
05/17 21Z,   0.10, -17.24,  99.90, -17.55,  -0.40,
05/17 22Z,   0.10, -19.51,  99.90, -19.77,  -0.35,
05/17 23Z,   0.10, -20.30,  99.90, -20.50,  -0.30,  (min)
05/18 00Z,   0.10, -18.97,  99.90, -19.12,  -0.25,
05/18 01Z,   0.00, -15.41,  99.90, -15.62,  -0.20,
05/18 02Z,   0.00, -11.03,  99.90, -11.18,  -0.15,
05/18 03Z,   0.00,  -7.38,  99.90,  -7.49,  -0.10,
05/18 04Z,   0.00,  -4.84,  99.90,  -4.89,  -0.05,
05/18 05Z,   0.00,  -3.32,  99.90,  -3.33,  -0.00,
05/18 06Z,   0.00,  -3.19,  99.90,  -3.15,   0.05,  (max)
05/18 07Z,   0.00,  -4.70,  99.90,  -4.61,   0.10,
05/18 08Z,   0.00,  -7.42,  99.90,  -7.32,   0.10,
05/18 09Z,   0.00, -10.29,  99.90, -10.19,   0.10,
05/18 10Z,   0.00, -12.38,  99.90, -12.29,   0.10,
05/18 11Z,   0.00, -13.33,  99.90, -13.23,   0.10,  (min)
05/18 12Z,  -0.10, -12.75,  99.90, -12.76,   0.10,
05/18 13Z,  -0.10, -10.28,  99.90, -10.28,   0.10,
05/18 14Z,  -0.10,  -6.82,  99.90,  -6.83,   0.10,
05/18 15Z,  -0.10,  -4.17,  99.90,  -4.18,   0.10,
05/18 16Z,  -0.10,  -3.07,  99.90,  -3.08,   0.10,  (max)
05/18 17Z,  -0.10,  -3.19,  99.90,  -3.20,   0.10,
05/18 18Z,  -0.10,  -4.41,  99.90,  -4.42,   0.10,
05/18 19Z,  -0.20,  -6.88,  99.90,  -6.99,   0.10,
05/18 20Z,  -0.20, -10.37,  99.90, -10.48,   0.10,
05/18 21Z,  -0.20, -14.07,  99.90, -14.18,   0.10,
05/18 22Z,  -0.20, -17.04,  99.90, -17.14,   0.10,
05/18 23Z,  -0.20, -18.86,  99.90, -18.96,   0.10,
05/19 00Z,  -0.30, -19.32,  99.90, -19.53,   0.10,  (min)
05/19 01Z,  -0.30, -17.82,  99.90, -18.03,   0.10,
05/19 02Z,  -0.30, -14.39,  99.90, -14.60,   0.10,
05/19 03Z,  -0.30, -10.46,  99.90, -10.66,   0.10,
05/19 04Z,  -0.30,  -7.28,  99.90,  -7.48,   0.10,
05/19 05Z,  -0.20,  -4.99,  99.90,  -5.09,   0.10,
05/19 06Z,  -0.20,  -3.59,  99.90,  -3.70,   0.10,
05/19 07Z,  -0.10,  -3.56,  99.90,  -3.56,   0.10,  (max)
05/19 08Z,  -0.10,  -5.11,  99.90,  -5.11,   0.10,
05/19 09Z,   0.00,  -7.72,  99.90,  -7.62,   0.10,
05/19 10Z,   0.00, -10.34,  99.90, -10.25,   0.10,
05/19 11Z,   0.00, -12.22,  99.90, -12.12,   0.10,
05/19 12Z,   0.00, -13.13,  99.90, -13.03,   0.10,  (min)
05/19 13Z,   0.00, -12.64,  99.90, -12.55,   0.10,
05/19 14Z,   0.10, -10.42,  99.90, -10.23,   0.10,
05/19 15Z,   0.10,  -7.42,  99.90,  -7.23,   0.10,
05/19 16Z,   0.10,  -5.20,  99.90,  -5.00,   0.10,
05/19 17Z,   0.00,  -4.20,  99.90,  -4.11,   0.10,
05/19 18Z,   0.00,  -4.13,  99.90,  -4.03,   0.10,  (max)
05/19 19Z,   0.00,  -5.08,  99.90,  -4.98,   0.10,
05/19 20Z,   0.00,  -7.28,  99.90,  -7.18,   0.10,
05/19 21Z,   0.00, -10.46,  99.90, -10.37,   0.10,
05/19 22Z,   0.00, -13.78,  99.90, -13.69,   0.10,
05/19 23Z,   0.10, -16.39,  99.90, -16.20,   0.10,
05/20 00Z,   0.10, -18.03,  99.90, -17.84,   0.10,
05/20 01Z,   0.10, -18.46,  99.90, -18.27,   0.10,  (min)
05/20 02Z,   0.10, -17.00,  99.90, -16.81,   0.10,
05/20 03Z,   0.10, -13.77,  99.90, -13.58,   0.10,
05/20 04Z,   0.00, -10.16,  99.90, -10.07,   0.10,
05/20 05Z,   0.00,  -7.19,  99.90,  -7.09,   0.10,
05/20 06Z,   0.00,  -4.90,  99.90,  -4.81,   0.10,
05/20 07Z,   0.00,  -3.49,  99.90,  -3.40,   0.10,  (max)
05/20 08Z,   0.00,  -3.52,  99.90,  -3.42,   0.10,
05/20 09Z,   0.00,  -5.14,  99.90,  -5.04,   0.10,
05/20 10Z,   0.00,  -7.74,  99.90,  -7.65,   0.10,
05/20 11Z,   0.00, -10.32,  99.90, -10.23,   0.10,
05/20 12Z,   0.00, -12.29,  99.90, -12.20,   0.10,
05/20 13Z,   0.10, -13.48,  99.90, -13.28,   0.10,  (min)
05/20 14Z,   0.00, -13.31,  99.90, -13.21,   0.10,
05/20 15Z,   0.00, -11.38,  99.90, -11.28,   0.10,
05/20 16Z,   0.00,  -8.65,  99.90,  -8.55,   0.10,
05/20 17Z,   0.00,  -6.49,  99.90,  -6.39,   0.10,
05/20 18Z,   0.00,  -5.19,  99.90,  -5.10,   0.10,
05/20 19Z,   0.00,  -4.64,  99.90,  -4.55,   0.10,  (max)
05/20 20Z,   0.00,  -5.17,  99.90,  -5.08,   0.10,
05/20 21Z,   0.00,  -7.07,  99.90,  -6.98,   0.10,
05/20 22Z,   0.00, -10.01,  99.90,  -9.91,   0.10,
05/20 23Z,   0.00, -13.09,  99.90, -13.00,   0.10,
05/21 00Z,   0.00, -15.59,  99.90, -15.50,   0.10,
05/21 01Z,   0.00, -17.32,  99.90, -17.23,   0.10,
05/21 02Z,   0.00, -17.89,  99.90, -17.80,   0.10,  (min)
05/21 03Z,   0.00, -16.51,  99.90, -16.41,   0.10,
05/21 04Z,   0.00, -13.37,  99.90, -13.27,   0.10,
05/21 05Z,   0.00,  -9.83,  99.90,  -9.74,   0.10,
05/21 06Z,  -0.10,  -6.79,  99.90,  -6.79,   0.10,
05/21 07Z,  -0.10,  -4.34,  99.90,  -4.34,   0.10,
05/21 08Z,  -0.10,  -2.89,  99.90,  -2.89,   0.10,  (max)
05/21 09Z,  -0.10,  -3.05,  99.90,  -3.06,   0.10,
05/21 10Z,   0.00,  -4.90,  99.90,  -4.80,   0.10,
05/21 11Z,   0.00,  -7.71,  99.90,  -7.62,   0.10,
05/21 12Z,   0.00, -10.54,  99.90, -10.45,   0.10,