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
#Bar Harbor, Frenchman Bay, ME : 04/21/2026 20:22:40 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/20 00Z,   0.40, -13.11, -12.82,  99.90,  -0.11,  (min)
04/20 01Z,   0.30, -10.74, -10.11,  99.90,   0.33,
04/20 02Z,   0.30,  -7.48,  -6.88,  99.90,   0.30,
04/20 03Z,   0.10,  -4.21,  -3.58,  99.90,   0.53,
04/20 04Z,   0.10,  -1.82,  -1.40,  99.90,   0.32,
04/20 05Z,   0.00,  -0.89,  -0.75,  99.90,   0.14,  (max)
04/20 06Z,   0.00,  -1.60,  -1.57,  99.90,   0.03,
04/20 07Z,   0.00,  -3.83,  -3.85,  99.90,  -0.02,
04/20 08Z,   0.00,  -7.11,  -7.10,  99.90,   0.01,
04/20 09Z,   0.00, -10.62, -10.85,  99.90,  -0.23,
04/20 10Z,   0.00, -13.48, -13.20,  99.90,   0.28,
04/20 11Z,   0.00, -15.06, -14.72,  99.90,   0.34,
04/20 12Z,   0.20, -15.10, -14.88,  99.90,   0.02,  (min)
04/20 13Z,   0.30, -13.57, -13.08,  99.90,   0.19,
04/20 14Z,   0.30, -10.81, -10.17,  99.90,   0.34,
04/20 15Z,   0.30,  -7.52,  -6.78,  99.90,   0.44,
04/20 16Z,   0.30,  -4.63,  -4.08,  99.90,   0.25,
04/20 17Z,   0.30,  -2.85,  -2.35,  99.90,   0.20,
04/20 18Z,   0.30,  -2.51,  -2.14,  99.90,   0.07,  (max)
04/20 19Z,   0.30,  -3.65,  -3.41,  99.90,  -0.06,
04/20 20Z,   0.30,  -6.01,  -5.77,  99.90,  -0.06,
04/20 21Z,   0.40,  -8.96,  -8.90,  99.90,  -0.34,
04/20 22Z,   0.40, -11.65, -11.56,  99.90,  -0.31,
04/20 23Z,   0.40, -13.36, -13.14,  99.90,  -0.18,
04/21 00Z,   0.40, -13.71, -13.44,  99.90,  -0.13,  (min)
04/21 01Z,   0.40, -12.59, -12.33,  99.90,  -0.14,
04/21 02Z,   0.40, -10.17,  -9.72,  99.90,   0.05,
04/21 03Z,   0.40,  -7.00,  -6.39,  99.90,   0.21,
04/21 04Z,   0.40,  -3.96,  -3.48,  99.90,   0.08,
04/21 05Z,   0.30,  -1.86,  -1.49,  99.90,   0.07,
04/21 06Z,   0.30,  -1.18,  -0.97,  99.90,  -0.09,  (max)
04/21 07Z,   0.30,  -2.04,  -1.92,  99.90,  -0.18,
04/21 08Z,   0.30,  -4.32,  -4.35,  99.90,  -0.33,
04/21 09Z,   0.30,  -7.51,  -7.66,  99.90,  -0.45,
04/21 10Z,   0.40, -10.82, -11.04,  99.90,  -0.62,
04/21 11Z,   0.40, -13.42, -13.42,  99.90,  -0.40,
04/21 12Z,   0.30, -14.79, -14.85,  99.90,  -0.36,  (min)
04/21 13Z,   0.30, -14.69, -14.65,  99.90,  -0.26,
04/21 14Z,   0.30, -13.13, -12.93,  99.90,  -0.10,
04/21 15Z,   0.40, -10.46, -10.16,  99.90,  -0.10,
04/21 16Z,   0.40,  -7.37,  -6.93,  99.90,   0.04,
04/21 17Z,   0.50,  -4.74,  -4.42,  99.90,  -0.18,
04/21 18Z,   0.50,  -3.17,  -2.84,  99.90,  -0.17,
04/21 19Z,   0.50,  -2.95,  -2.71,  99.90,  -0.26,  (max)
04/21 20Z,   0.50,  -4.10,  -4.07,  99.90,  -0.47,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/21 21Z,   0.50,  -6.36,  99.90,  -6.29,  -0.43,
04/21 22Z,   0.50,  -9.10,  99.90,  -8.99,  -0.39,
04/21 23Z,   0.40, -11.53,  99.90, -11.48,  -0.36,
04/22 00Z,   0.40, -13.02,  99.90, -12.94,  -0.32,
04/22 01Z,   0.40, -13.26,  99.90, -13.14,  -0.28,  (min)
04/22 02Z,   0.40, -12.14,  99.90, -11.98,  -0.25,
04/22 03Z,   0.40,  -9.83,  99.90,  -9.64,  -0.21,
04/22 04Z,   0.40,  -6.87,  99.90,  -6.65,  -0.18,
04/22 05Z,   0.40,  -4.09,  99.90,  -3.83,  -0.14,
04/22 06Z,   0.40,  -2.22,  99.90,  -1.92,  -0.10,
04/22 07Z,   0.40,  -1.65,  99.90,  -1.32,  -0.07,  (max)
04/22 08Z,   0.40,  -2.52,  99.90,  -2.15,  -0.03,
04/22 09Z,   0.50,  -4.68,  99.90,  -4.21,  -0.03,
04/22 10Z,   0.50,  -7.66,  99.90,  -7.19,  -0.03,
04/22 11Z,   0.60, -10.70,  99.90, -10.13,  -0.03,
04/22 12Z,   0.60, -13.08,  99.90, -12.51,  -0.03,
04/22 13Z,   0.60, -14.32,  99.90, -13.75,  -0.03,  (min)
04/22 14Z,   0.60, -14.21,  99.90, -13.64,  -0.03,
04/22 15Z,   0.60, -12.75,  99.90, -12.18,  -0.03,
04/22 16Z,   0.60, -10.27,  99.90,  -9.70,  -0.03,
04/22 17Z,   0.60,  -7.43,  99.90,  -6.86,  -0.03,
04/22 18Z,   0.60,  -5.02,  99.90,  -4.45,  -0.03,
04/22 19Z,   0.60,  -3.58,  99.90,  -3.01,  -0.03,
04/22 20Z,   0.60,  -3.36,  99.90,  -2.79,  -0.03,  (max)
04/22 21Z,   0.60,  -4.41,  99.90,  -3.84,  -0.03,
04/22 22Z,   0.60,  -6.47,  99.90,  -5.90,  -0.03,
04/22 23Z,   0.60,  -8.97,  99.90,  -8.40,  -0.03,
04/23 00Z,   0.60, -11.20,  99.90, -10.63,  -0.03,
04/23 01Z,   0.70, -12.59,  99.90, -11.92,  -0.03,
04/23 02Z,   0.60, -12.85,  99.90, -12.28,  -0.03,  (min)
04/23 03Z,   0.60, -11.86,  99.90, -11.29,  -0.03,
04/23 04Z,   0.60,  -9.76,  99.90,  -9.19,  -0.03,
04/23 05Z,   0.60,  -7.06,  99.90,  -6.49,  -0.03,
04/23 06Z,   0.60,  -4.51,  99.90,  -3.94,  -0.03,
04/23 07Z,   0.60,  -2.77,  99.90,  -2.20,  -0.03,
04/23 08Z,   0.60,  -2.19,  99.90,  -1.62,  -0.03,  (max)
04/23 09Z,   0.60,  -2.92,  99.90,  -2.35,  -0.03,
04/23 10Z,   0.70,  -4.86,  99.90,  -4.19,  -0.03,
04/23 11Z,   0.70,  -7.58,  99.90,  -6.91,  -0.03,
04/23 12Z,   0.70, -10.37,  99.90,  -9.70,  -0.03,
04/23 13Z,   0.80, -12.58,  99.90, -11.81,  -0.03,
04/23 14Z,   0.80, -13.80,  99.90, -13.03,  -0.03,  (min)
04/23 15Z,   0.80, -13.79,  99.90, -13.02,  -0.03,
04/23 16Z,   0.80, -12.51,  99.90, -11.74,  -0.03,
04/23 17Z,   0.80, -10.24,  99.90,  -9.47,  -0.03,
04/23 18Z,   0.70,  -7.62,  99.90,  -6.95,  -0.03,
04/23 19Z,   0.70,  -5.36,  99.90,  -4.69,  -0.03,
04/23 20Z,   0.70,  -3.95,  99.90,  -3.28,  -0.03,
04/23 21Z,   0.70,  -3.63,  99.90,  -2.96,  -0.03,  (max)
04/23 22Z,   0.70,  -4.50,  99.90,  -3.83,  -0.03,
04/23 23Z,   0.70,  -6.36,  99.90,  -5.69,  -0.03,
04/24 00Z,   0.70,  -8.67,  99.90,  -7.99,  -0.03,
04/24 01Z,   0.70, -10.77,  99.90, -10.10,  -0.03,
04/24 02Z,   0.70, -12.18,  99.90, -11.51,  -0.03,
04/24 03Z,   0.60, -12.58,  99.90, -12.01,  -0.03,  (min)
04/24 04Z,   0.60, -11.81,  99.90, -11.24,  -0.03,
04/24 05Z,   0.60,  -9.95,  99.90,  -9.38,  -0.03,
04/24 06Z,   0.70,  -7.47,  99.90,  -6.80,  -0.03,
04/24 07Z,   0.70,  -5.08,  99.90,  -4.41,  -0.03,
04/24 08Z,   0.70,  -3.36,  99.90,  -2.69,  -0.03,
04/24 09Z,   0.80,  -2.67,  99.90,  -1.90,  -0.03,  (max)
04/24 10Z,   0.80,  -3.19,  99.90,  -2.42,  -0.03,
04/24 11Z,   0.80,  -4.88,  99.90,  -4.11,  -0.03,
04/24 12Z,   0.80,  -7.34,  99.90,  -6.57,  -0.03,
04/24 13Z,   0.80,  -9.94,  99.90,  -9.17,  -0.03,
04/24 14Z,   0.80, -12.08,  99.90, -11.31,  -0.03,
04/24 15Z,   0.80, -13.36,  99.90, -12.59,  -0.03,
04/24 16Z,   0.80, -13.50,  99.90, -12.73,  -0.03,  (min)
04/24 17Z,   0.80, -12.40,  99.90, -11.63,  -0.03,
04/24 18Z,   0.80, -10.31,  99.90,  -9.54,  -0.03,
04/24 19Z,   0.80,  -7.85,  99.90,  -7.08,  -0.03,
04/24 20Z,   0.80,  -5.64,  99.90,  -4.87,  -0.03,
04/24 21Z,   0.80,  -4.16,  99.90,  -3.39,  -0.03,
04/24 22Z,   0.80,  -3.70,  99.90,  -2.93,  -0.03,  (max)
04/24 23Z,   0.80,  -4.39,  99.90,  -3.62,  -0.03,
04/25 00Z,   0.80,  -6.08,  99.90,  -5.31,  -0.03,
04/25 01Z,   0.80,  -8.28,  99.90,  -7.51,  -0.03,
04/25 02Z,   0.80, -10.38,  99.90,  -9.61,  -0.03,
04/25 03Z,   0.80, -11.91,  99.90, -11.14,  -0.03,
04/25 04Z,   0.70, -12.51,  99.90, -11.84,  -0.03,  (min)
04/25 05Z,   0.70, -11.97,  99.90, -11.30,  -0.03,
04/25 06Z,   0.70, -10.31,  99.90,  -9.64,  -0.03,
04/25 07Z,   0.70,  -7.99,  99.90,  -7.32,  -0.03,
04/25 08Z,   0.70,  -5.66,  99.90,  -4.99,  -0.03,
04/25 09Z,   0.70,  -3.87,  99.90,  -3.20,  -0.03,
04/25 10Z,   0.70,  -3.01,  99.90,  -2.34,  -0.03,  (max)
04/25 11Z,   0.70,  -3.30,  99.90,  -2.63,  -0.03,
04/25 12Z,   0.70,  -4.77,  99.90,  -4.10,  -0.03,