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
#Seward, AK : 07/09/2025 17:22:58 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/08 00Z,   0.70,  -8.67,  -8.81,  99.90,  -0.84,
07/08 01Z,   0.70,  -9.24,  -9.47,  99.90,  -0.93,  (min)
07/08 02Z,   0.60,  -9.29,  -9.42,  99.90,  -0.73,
07/08 03Z,   0.60,  -8.74,  -8.77,  99.90,  -0.63,
07/08 04Z,   0.70,  -7.66,  -7.75,  99.90,  -0.79,
07/08 05Z,   0.70,  -6.25,  -6.33,  99.90,  -0.78,
07/08 06Z,   0.80,  -4.88,  -4.99,  99.90,  -0.91,
07/08 07Z,   0.80,  -3.98,  -3.96,  99.90,  -0.78,
07/08 08Z,   0.80,  -3.83,  -3.74,  99.90,  -0.71,  (max)
07/08 09Z,   0.90,  -4.50,  -4.43,  99.90,  -0.83,
07/08 10Z,   0.90,  -5.95,  -5.95,  99.90,  -0.90,
07/08 11Z,   0.90,  -7.98,  -8.03,  99.90,  -0.95,
07/08 12Z,   1.00, -10.24, -10.33,  99.90,  -1.09,
07/08 13Z,   1.00, -12.25, -12.25,  99.90,  -1.00,
07/08 14Z,   1.00, -13.59, -13.51,  99.90,  -0.92,
07/08 15Z,   1.00, -14.03, -13.99,  99.90,  -0.96,  (min)
07/08 16Z,   1.00, -13.53, -13.40,  99.90,  -0.87,
07/08 17Z,   1.10, -12.22, -12.09,  99.90,  -0.97,
07/08 18Z,   1.10, -10.42, -10.33,  99.90,  -1.01,
07/08 19Z,   1.10,  -8.60,  -8.57,  99.90,  -1.07,
07/08 20Z,   1.10,  -7.19,  -7.20,  99.90,  -1.11,
07/08 21Z,   1.10,  -6.42,  -6.40,  99.90,  -1.08,
07/08 22Z,   1.10,  -6.35,  -6.36,  99.90,  -1.11,  (max)
07/08 23Z,   1.10,  -6.92,  -6.89,  99.90,  -1.07,
07/09 00Z,   1.10,  -7.91,  -7.90,  99.90,  -1.09,
07/09 01Z,   1.10,  -8.90,  -8.97,  99.90,  -1.17,
07/09 02Z,   1.10,  -9.49,  -9.56,  99.90,  -1.17,
07/09 03Z,   1.10,  -9.43,  -9.57,  99.90,  -1.24,  (min)
07/09 04Z,   1.00,  -8.66,  -8.71,  99.90,  -1.05,
07/09 05Z,   1.10,  -7.32,  -7.36,  99.90,  -1.14,
07/09 06Z,   1.10,  -5.71,  -5.74,  99.90,  -1.13,
07/09 07Z,   1.10,  -4.28,  -4.28,  99.90,  -1.10,
07/09 08Z,   1.10,  -3.46,  -3.58,  99.90,  -1.22,  (max)
07/09 09Z,   1.10,  -3.54,  -3.64,  99.90,  -1.20,
07/09 10Z,   1.10,  -4.55,  -4.62,  99.90,  -1.17,
07/09 11Z,   1.00,  -6.37,  -6.51,  99.90,  -1.14,
07/09 12Z,   1.00,  -8.75,  -8.90,  99.90,  -1.15,
07/09 13Z,   0.90, -11.23, -11.47,  99.90,  -1.14,
07/09 14Z,   0.80, -13.28, -13.52,  99.90,  -1.04,
07/09 15Z,   0.80, -14.44, -14.61,  99.90,  -0.97,
07/09 16Z,   0.80, -14.54, -14.77,  99.90,  -1.03,  (min)
07/09 17Z,   0.80, -13.61, -13.83,  99.90,  -1.02,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/09 18Z,   0.80, -11.87,  99.90, -12.09,  -1.02,
07/09 19Z,   0.80,  -9.77,  99.90,  -9.98,  -1.01,
07/09 20Z,   0.90,  -7.83,  99.90,  -7.93,  -1.00,
07/09 21Z,   0.90,  -6.47,  99.90,  -6.57,  -1.00,
07/09 22Z,   1.00,  -5.91,  99.90,  -5.90,  -0.99,  (max)
07/09 23Z,   0.90,  -6.14,  99.90,  -6.23,  -0.99,
07/10 00Z,   0.90,  -7.04,  99.90,  -7.12,  -0.98,
07/10 01Z,   0.80,  -8.27,  99.90,  -8.45,  -0.98,
07/10 02Z,   0.80,  -9.36,  99.90,  -9.54,  -0.97,
07/10 03Z,   0.70,  -9.87,  99.90, -10.14,  -0.96,  (min)
07/10 04Z,   0.70,  -9.57,  99.90,  -9.83,  -0.96,
07/10 05Z,   0.70,  -8.49,  99.90,  -8.75,  -0.95,
07/10 06Z,   0.70,  -6.86,  99.90,  -7.11,  -0.95,
07/10 07Z,   0.70,  -5.07,  99.90,  -5.32,  -0.95,
07/10 08Z,   0.70,  -3.63,  99.90,  -3.88,  -0.95,
07/10 09Z,   0.70,  -3.01,  99.90,  -3.26,  -0.95,  (max)
07/10 10Z,   0.80,  -3.42,  99.90,  -3.58,  -0.95,
07/10 11Z,   0.70,  -4.84,  99.90,  -5.10,  -0.95,
07/10 12Z,   0.80,  -7.08,  99.90,  -7.23,  -0.95,
07/10 13Z,   0.80,  -9.77,  99.90,  -9.93,  -0.95,
07/10 14Z,   0.80, -12.38,  99.90, -12.53,  -0.95,
07/10 15Z,   0.70, -14.30,  99.90, -14.55,  -0.95,
07/10 16Z,   0.80, -15.13,  99.90, -15.29,  -0.95,  (min)
07/10 17Z,   0.80, -14.76,  99.90, -14.92,  -0.95,
07/10 18Z,   0.80, -13.34,  99.90, -13.49,  -0.95,
07/10 19Z,   0.90, -11.20,  99.90, -11.25,  -0.95,
07/10 20Z,   0.90,  -8.89,  99.90,  -8.94,  -0.95,
07/10 21Z,   1.00,  -6.96,  99.90,  -6.91,  -0.95,
07/10 22Z,   1.00,  -5.81,  99.90,  -5.76,  -0.95,
07/10 23Z,   1.00,  -5.57,  99.90,  -5.53,  -0.95,  (max)
07/11 00Z,   1.10,  -6.19,  99.90,  -6.04,  -0.95,
07/11 01Z,   1.10,  -7.43,  99.90,  -7.28,  -0.95,
07/11 02Z,   1.20,  -8.86,  99.90,  -8.61,  -0.95,
07/11 03Z,   1.30,  -9.95,  99.90,  -9.60,  -0.95,
07/11 04Z,   1.10, -10.25,  99.90, -10.10,  -0.95,  (min)
07/11 05Z,   1.10,  -9.62,  99.90,  -9.47,  -0.95,
07/11 06Z,   1.10,  -8.18,  99.90,  -8.03,  -0.95,
07/11 07Z,   1.20,  -6.27,  99.90,  -6.02,  -0.95,
07/11 08Z,   1.20,  -4.38,  99.90,  -4.14,  -0.95,
07/11 09Z,   1.20,  -3.07,  99.90,  -2.83,  -0.95,
07/11 10Z,   1.30,  -2.76,  99.90,  -2.41,  -0.95,  (max)
07/11 11Z,   1.30,  -3.59,  99.90,  -3.24,  -0.95,
07/11 12Z,   1.20,  -5.46,  99.90,  -5.21,  -0.95,
07/11 13Z,   1.00,  -8.07,  99.90,  -8.02,  -0.95,
07/11 14Z,   1.10, -10.97,  99.90, -10.82,  -0.95,
07/11 15Z,   1.20, -13.53,  99.90, -13.28,  -0.95,
07/11 16Z,   1.00, -15.15,  99.90, -15.11,  -0.95,
07/11 17Z,   0.90, -15.51,  99.90, -15.56,  -0.95,  (min)
07/11 18Z,   0.90, -14.60,  99.90, -14.65,  -0.95,
07/11 19Z,   0.90, -12.69,  99.90, -12.74,  -0.95,
07/11 20Z,   0.90, -10.24,  99.90, -10.30,  -0.95,
07/11 21Z,   0.90,  -7.86,  99.90,  -7.91,  -0.95,
07/11 22Z,   0.90,  -6.10,  99.90,  -6.15,  -0.95,
07/11 23Z,   0.90,  -5.28,  99.90,  -5.34,  -0.95,  (max)
07/12 00Z,   0.90,  -5.47,  99.90,  -5.52,  -0.95,
07/12 01Z,   0.80,  -6.49,  99.90,  -6.64,  -0.95,
07/12 02Z,   0.80,  -8.03,  99.90,  -8.18,  -0.95,
07/12 03Z,   0.80,  -9.56,  99.90,  -9.72,  -0.95,
07/12 04Z,   0.70, -10.52,  99.90, -10.78,  -0.95,  (min)
07/12 05Z,   0.70, -10.52,  99.90, -10.77,  -0.95,
07/12 06Z,   0.70,  -9.51,  99.90,  -9.76,  -0.95,
07/12 07Z,   0.70,  -7.74,  99.90,  -7.99,  -0.95,
07/12 08Z,   0.70,  -5.65,  99.90,  -5.91,  -0.95,
07/12 09Z,   0.60,  -3.81,  99.90,  -4.16,  -0.95,
07/12 10Z,   0.60,  -2.75,  99.90,  -3.10,  -0.95,  (max)
07/12 11Z,   0.60,  -2.83,  99.90,  -3.18,  -0.95,
07/12 12Z,   0.50,  -4.10,  99.90,  -4.56,  -0.95,
07/12 13Z,   0.50,  -6.37,  99.90,  -6.82,  -0.95,
07/12 14Z,   0.50,  -9.24,  99.90,  -9.69,  -0.95,
07/12 15Z,   0.40, -12.17,  99.90, -12.72,  -0.95,
07/12 16Z,   0.40, -14.50,  99.90, -15.05,  -0.95,
07/12 17Z,   0.50, -15.66,  99.90, -16.11,  -0.95,  (min)
07/12 18Z,   0.50, -15.45,  99.90, -15.90,  -0.95,
07/12 19Z,   0.50, -13.99,  99.90, -14.44,  -0.95,
07/12 20Z,   0.50, -11.68,  99.90, -12.14,  -0.95,
07/12 21Z,   0.50,  -9.08,  99.90,  -9.53,  -0.95,
07/12 22Z,   0.50,  -6.79,  99.90,  -7.25,  -0.95,
07/12 23Z,   0.50,  -5.34,  99.90,  -5.79,  -0.95,
07/13 00Z,   0.50,  -4.96,  99.90,  -5.41,  -0.95,  (max)
07/13 01Z,   0.50,  -5.59,  99.90,  -6.04,  -0.95,
07/13 02Z,   0.50,  -6.99,  99.90,  -7.45,  -0.95,
07/13 03Z,   0.50,  -8.75,  99.90,  -9.20,  -0.95,
07/13 04Z,   0.50, -10.27,  99.90, -10.72,  -0.95,
07/13 05Z,   0.50, -11.00,  99.90, -11.46,  -0.95,  (min)
07/13 06Z,   0.50, -10.65,  99.90, -11.10,  -0.95,
07/13 07Z,   0.60,  -9.29,  99.90,  -9.64,  -0.95,
07/13 08Z,   0.60,  -7.29,  99.90,  -7.64,  -0.95,
07/13 09Z,   0.60,  -5.16,  99.90,  -5.52,  -0.95,
07/13 10Z,   0.60,  -3.48,  99.90,  -3.84,  -0.95,
07/13 11Z,   0.60,  -2.77,  99.90,  -3.12,  -0.95,  (max)
07/13 12Z,   0.50,  -3.27,  99.90,  -3.72,  -0.95,