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
#Alitak, AK : 04/19/2025 20:22:46 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/18 00Z,  -0.30,  -7.77,  -7.64,  99.90,   0.43,
04/18 01Z,  -0.20,  -6.35,  -6.34,  99.90,   0.21,
04/18 02Z,  -0.20,  -6.03,  -6.13,  99.90,   0.10,  (max)
04/18 03Z,  -0.10,  -6.64,  -6.74,  99.90,  -0.00,
04/18 04Z,  -0.10,  -7.76,  -7.80,  99.90,   0.06,
04/18 05Z,  -0.10,  -9.01,  -9.04,  99.90,   0.07,
04/18 06Z,  -0.30, -10.02, -10.23,  99.90,   0.09,
04/18 07Z,  -0.30, -10.47, -10.51,  99.90,   0.26,  (min)
04/18 08Z,  -0.30, -10.14, -10.44,  99.90,   0.00,
04/18 09Z,  -0.30,  -9.06,  -9.42,  99.90,  -0.06,
04/18 10Z,  -0.30,  -7.51,  -7.93,  99.90,  -0.12,
04/18 11Z,  -0.30,  -5.90,  -6.37,  99.90,  -0.17,
04/18 12Z,  -0.30,  -4.56,  -4.99,  99.90,  -0.13,
04/18 13Z,  -0.30,  -3.92,  -4.38,  99.90,  -0.16,  (max)
04/18 14Z,  -0.30,  -4.37,  -4.83,  99.90,  -0.16,
04/18 15Z,  -0.40,  -5.80,  -5.89,  99.90,   0.31,
04/18 16Z,  -0.40,  -7.78,  -7.90,  99.90,   0.28,
04/18 17Z,  -0.50,  -9.93, -10.20,  99.90,   0.23,
04/18 18Z,  -0.40, -11.93, -12.41,  99.90,  -0.08,
04/18 19Z,  -0.50, -13.46, -13.93,  99.90,   0.03,
04/18 20Z,  -0.50, -14.22, -14.64,  99.90,   0.08,  (min)
04/18 21Z,  -0.50, -14.05, -14.44,  99.90,   0.11,
04/18 22Z,  -0.50, -13.01, -13.53,  99.90,  -0.02,
04/18 23Z,  -0.50, -11.42, -11.83,  99.90,   0.09,
04/19 00Z,  -0.50,  -9.58,  -9.90,  99.90,   0.18,
04/19 01Z,  -0.50,  -7.91,  -8.24,  99.90,   0.17,
04/19 02Z,  -0.50,  -6.92,  -7.35,  99.90,   0.07,
04/19 03Z,  -0.60,  -6.84,  -7.30,  99.90,   0.14,  (max)
04/19 04Z,  -0.60,  -7.42,  -7.86,  99.90,   0.16,
04/19 05Z,  -0.60,  -8.30,  -8.70,  99.90,   0.20,
04/19 06Z,  -0.50,  -9.18,  -9.64,  99.90,   0.04,
04/19 07Z,  -0.50,  -9.79, -10.19,  99.90,   0.10,
04/19 08Z,  -0.50,  -9.90, -10.35,  99.90,   0.05,  (min)
04/19 09Z,  -0.50,  -9.37,  -9.90,  99.90,  -0.03,
04/19 10Z,  -0.60,  -8.29,  -8.96,  99.90,  -0.07,
04/19 11Z,  -0.60,  -6.98,  -7.58,  99.90,   0.00,
04/19 12Z,  -0.60,  -5.75,  -6.39,  99.90,  -0.04,
04/19 13Z,  -0.60,  -4.85,  -5.52,  99.90,  -0.07,
04/19 14Z,  -0.60,  -4.63,  -5.28,  99.90,  -0.05,  (max)
04/19 15Z,  -0.60,  -5.31,  -5.85,  99.90,   0.06,
04/19 16Z,  -0.70,  -6.71,  -7.20,  99.90,   0.21,
04/19 17Z,  -0.70,  -8.47,  -8.84,  99.90,   0.33,
04/19 18Z,  -0.70, -10.28, -10.92,  99.90,   0.06,
04/19 19Z,  -0.70, -11.93, -12.58,  99.90,   0.05,
04/19 20Z,  -0.80, -13.15, -13.94,  99.90,   0.01,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/19 21Z,  -0.80, -13.72,  99.90, -14.48,   0.05,  (min)
04/19 22Z,  -0.80, -13.51,  99.90, -14.23,   0.08,
04/19 23Z,  -0.80, -12.61,  99.90, -13.29,   0.11,
04/20 00Z,  -0.80, -11.26,  99.90, -11.92,   0.15,
04/20 01Z,  -0.80,  -9.72,  99.90, -10.34,   0.18,
04/20 02Z,  -0.80,  -8.33,  99.90,  -8.91,   0.21,
04/20 03Z,  -0.80,  -7.50,  99.90,  -8.06,   0.25,
04/20 04Z,  -0.80,  -7.40,  99.90,  -7.91,   0.28,  (max)
04/20 05Z,  -0.80,  -7.77,  99.90,  -8.26,   0.32,
04/20 06Z,  -0.80,  -8.37,  99.90,  -8.82,   0.35,
04/20 07Z,  -0.80,  -8.98,  99.90,  -9.39,   0.38,
04/20 08Z,  -0.80,  -9.38,  99.90,  -9.76,   0.42,
04/20 09Z,  -0.80,  -9.40,  99.90,  -9.78,   0.42,  (min)
04/20 10Z,  -0.80,  -8.95,  99.90,  -9.33,   0.42,
04/20 11Z,  -0.80,  -8.09,  99.90,  -8.47,   0.42,
04/20 12Z,  -0.80,  -7.09,  99.90,  -7.47,   0.42,
04/20 13Z,  -0.80,  -6.18,  99.90,  -6.56,   0.42,
04/20 14Z,  -0.80,  -5.52,  99.90,  -5.90,   0.42,
04/20 15Z,  -0.80,  -5.40,  99.90,  -5.78,   0.42,  (max)
04/20 16Z,  -0.80,  -6.00,  99.90,  -6.38,   0.42,
04/20 17Z,  -0.80,  -7.17,  99.90,  -7.55,   0.42,
04/20 18Z,  -0.80,  -8.61,  99.90,  -9.00,   0.42,
04/20 19Z,  -0.80, -10.16,  99.90, -10.54,   0.42,
04/20 20Z,  -0.80, -11.62,  99.90, -12.00,   0.42,
04/20 21Z,  -0.80, -12.77,  99.90, -13.15,   0.42,
04/20 22Z,  -0.70, -13.39,  99.90, -13.67,   0.42,  (min)
04/20 23Z,  -0.70, -13.32,  99.90, -13.60,   0.42,
04/21 00Z,  -0.70, -12.63,  99.90, -12.91,   0.42,
04/21 01Z,  -0.80, -11.49,  99.90, -11.87,   0.42,
04/21 02Z,  -0.80, -10.07,  99.90, -10.46,   0.42,
04/21 03Z,  -0.80,  -8.69,  99.90,  -9.07,   0.42,
04/21 04Z,  -0.80,  -7.77,  99.90,  -8.16,   0.42,
04/21 05Z,  -0.80,  -7.46,  99.90,  -7.85,   0.42,  (max)
04/21 06Z,  -0.80,  -7.60,  99.90,  -7.98,   0.42,
04/21 07Z,  -0.70,  -8.01,  99.90,  -8.29,   0.42,
04/21 08Z,  -0.60,  -8.54,  99.90,  -8.73,   0.42,
04/21 09Z,  -0.60,  -9.02,  99.90,  -9.20,   0.42,
04/21 10Z,  -0.60,  -9.25,  99.90,  -9.43,   0.42,  (min)
04/21 11Z,  -0.70,  -9.08,  99.90,  -9.36,   0.42,
04/21 12Z,  -0.70,  -8.54,  99.90,  -8.82,   0.42,
04/21 13Z,  -0.80,  -7.81,  99.90,  -8.19,   0.42,
04/21 14Z,  -0.80,  -7.02,  99.90,  -7.40,   0.42,
04/21 15Z,  -0.90,  -6.30,  99.90,  -6.79,   0.42,
04/21 16Z,  -0.90,  -5.98,  99.90,  -6.46,   0.42,  (max)
04/21 17Z,  -0.90,  -6.28,  99.90,  -6.76,   0.42,
04/21 18Z,  -0.80,  -7.11,  99.90,  -7.49,   0.42,
04/21 19Z,  -0.80,  -8.30,  99.90,  -8.68,   0.42,
04/21 20Z,  -0.80,  -9.72,  99.90, -10.10,   0.42,
04/21 21Z,  -0.80, -11.22,  99.90, -11.60,   0.42,
04/21 22Z,  -0.70, -12.53,  99.90, -12.81,   0.42,
04/21 23Z,  -0.80, -13.36,  99.90, -13.74,   0.42,
04/22 00Z,  -0.80, -13.50,  99.90, -13.88,   0.42,  (min)
04/22 01Z,  -0.80, -12.96,  99.90, -13.34,   0.42,
04/22 02Z,  -0.80, -11.85,  99.90, -12.23,   0.42,
04/22 03Z,  -0.80, -10.30,  99.90, -10.69,   0.42,
04/22 04Z,  -0.90,  -8.69,  99.90,  -9.17,   0.42,
04/22 05Z,  -0.80,  -7.51,  99.90,  -7.89,   0.42,
04/22 06Z,  -0.80,  -6.95,  99.90,  -7.34,   0.42,
04/22 07Z,  -0.80,  -6.94,  99.90,  -7.32,   0.42,  (max)
04/22 08Z,  -0.70,  -7.38,  99.90,  -7.66,   0.42,
04/22 09Z,  -0.70,  -8.13,  99.90,  -8.42,   0.42,
04/22 10Z,  -0.70,  -8.98,  99.90,  -9.26,   0.42,
04/22 11Z,  -0.70,  -9.63,  99.90,  -9.91,   0.42,
04/22 12Z,  -0.70,  -9.85,  99.90, -10.13,   0.42,  (min)
04/22 13Z,  -0.80,  -9.60,  99.90,  -9.98,   0.42,
04/22 14Z,  -0.80,  -8.98,  99.90,  -9.36,   0.42,
04/22 15Z,  -0.80,  -8.04,  99.90,  -8.42,   0.42,
04/22 16Z,  -0.80,  -6.97,  99.90,  -7.35,   0.42,
04/22 17Z,  -0.80,  -6.22,  99.90,  -6.61,   0.42,
04/22 18Z,  -0.80,  -6.11,  99.90,  -6.49,   0.42,  (max)
04/22 19Z,  -0.80,  -6.62,  99.90,  -7.01,   0.42,
04/22 20Z,  -0.80,  -7.68,  99.90,  -8.06,   0.42,
04/22 21Z,  -0.80,  -9.19,  99.90,  -9.58,   0.42,
04/22 22Z,  -0.80, -10.94,  99.90, -11.32,   0.42,
04/22 23Z,  -0.80, -12.55,  99.90, -12.93,   0.42,
04/23 00Z,  -0.80, -13.62,  99.90, -14.00,   0.42,
04/23 01Z,  -0.90, -13.89,  99.90, -14.38,   0.42,  (min)
04/23 02Z,  -0.90, -13.34,  99.90, -13.83,   0.42,
04/23 03Z,  -0.90, -12.03,  99.90, -12.51,   0.42,
04/23 04Z,  -0.90, -10.12,  99.90, -10.60,   0.42,
04/23 05Z,  -0.90,  -8.13,  99.90,  -8.61,   0.42,
04/23 06Z,  -0.90,  -6.65,  99.90,  -7.13,   0.42,
04/23 07Z,  -0.90,  -5.93,  99.90,  -6.42,   0.42,
04/23 08Z,  -0.80,  -5.98,  99.90,  -6.36,   0.42,  (max)
04/23 09Z,  -0.80,  -6.73,  99.90,  -7.12,   0.42,
04/23 10Z,  -0.70,  -8.00,  99.90,  -8.29,   0.42,
04/23 11Z,  -0.70,  -9.43,  99.90,  -9.72,   0.42,
04/23 12Z,  -0.70, -10.61,  99.90, -10.89,   0.42,