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
#Kodiak Island, AK : 07/11/2025 16:21:38 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/10 00Z,  -0.40,  -5.52,  -5.72,  99.90,   0.20,  (max)
07/10 01Z,  -0.40,  -6.32,  -6.44,  99.90,   0.28,
07/10 02Z,  -0.50,  -7.32,  -7.40,  99.90,   0.42,
07/10 03Z,  -0.50,  -8.07,  -8.02,  99.90,   0.55,
07/10 04Z,  -0.50,  -8.23,  -8.06,  99.90,   0.67,  (min)
07/10 05Z,  -0.40,  -7.71,  -7.54,  99.90,   0.57,
07/10 06Z,  -0.30,  -6.62,  -6.46,  99.90,   0.46,
07/10 07Z,  -0.30,  -5.16,  -4.91,  99.90,   0.55,
07/10 08Z,  -0.30,  -3.67,  -3.35,  99.90,   0.62,
07/10 09Z,  -0.30,  -2.61,  -2.49,  99.90,   0.42,
07/10 10Z,  -0.30,  -2.32,  -2.16,  99.90,   0.46,  (max)
07/10 11Z,  -0.30,  -2.91,  -2.71,  99.90,   0.50,
07/10 12Z,  -0.20,  -4.31,  -4.24,  99.90,   0.27,
07/10 13Z,  -0.10,  -6.35,  -6.14,  99.90,   0.31,
07/10 14Z,  -0.20,  -8.68,  -8.33,  99.90,   0.55,
07/10 15Z,  -0.20, -10.76, -10.46,  99.90,   0.50,
07/10 16Z,  -0.20, -12.11, -11.66,  99.90,   0.65,
07/10 17Z,  -0.20, -12.50, -11.99,  99.90,   0.71,  (min)
07/10 18Z,  -0.10, -11.98, -11.45,  99.90,   0.63,
07/10 19Z,  -0.10, -10.71, -10.23,  99.90,   0.58,
07/10 20Z,  -0.10,  -8.96,  -8.50,  99.90,   0.56,
07/10 21Z,   0.00,  -7.18,  -6.60,  99.90,   0.58,
07/10 22Z,  -0.10,  -5.80,  -5.37,  99.90,   0.53,
07/10 23Z,  -0.10,  -5.06,  -4.72,  99.90,   0.44,
07/11 00Z,   0.00,  -5.02,  -4.65,  99.90,   0.37,  (max)
07/11 01Z,   0.00,  -5.62,  -5.43,  99.90,   0.19,
07/11 02Z,   0.00,  -6.68,  -6.33,  99.90,   0.35,
07/11 03Z,  -0.10,  -7.80,  -7.43,  99.90,   0.47,
07/11 04Z,  -0.10,  -8.48,  -8.16,  99.90,   0.42,  (min)
07/11 05Z,  -0.20,  -8.42,  -7.91,  99.90,   0.71,
07/11 06Z,  -0.20,  -7.63,  -7.06,  99.90,   0.77,
07/11 07Z,  -0.20,  -6.28,  -5.76,  99.90,   0.72,
07/11 08Z,  -0.20,  -4.65,  -4.25,  99.90,   0.60,
07/11 09Z,  -0.20,  -3.14,  -2.77,  99.90,   0.57,
07/11 10Z,  -0.30,  -2.23,  -1.94,  99.90,   0.59,  (max)
07/11 11Z,  -0.40,  -2.22,  -1.98,  99.90,   0.64,
07/11 12Z,  -0.40,  -3.17,  -3.04,  99.90,   0.53,
07/11 13Z,  -0.50,  -4.93,  -4.93,  99.90,   0.50,
07/11 14Z,  -0.50,  -7.25,  -7.25,  99.90,   0.50,
07/11 15Z,  -0.50,  -9.69,  -9.68,  99.90,   0.51,
07/11 16Z,  -0.50, -11.65, -11.53,  99.90,   0.62,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/11 17Z,  -0.50, -12.70,  99.90, -12.58,   0.61,
07/11 18Z,  -0.60, -12.68,  99.90, -12.68,   0.60,  (min)
07/11 19Z,  -0.60, -11.74,  99.90, -11.75,   0.59,
07/11 20Z,  -0.60, -10.12,  99.90, -10.14,   0.58,
07/11 21Z,  -0.60,  -8.18,  99.90,  -8.21,   0.57,
07/11 22Z,  -0.60,  -6.39,  99.90,  -6.42,   0.56,
07/11 23Z,  -0.70,  -5.17,  99.90,  -5.31,   0.55,
07/12 00Z,  -0.70,  -4.71,  99.90,  -4.87,   0.54,  (max)
07/12 01Z,  -0.70,  -5.02,  99.90,  -5.18,   0.53,
07/12 02Z,  -0.70,  -5.94,  99.90,  -6.12,   0.52,
07/12 03Z,  -0.80,  -7.21,  99.90,  -7.50,   0.51,
07/12 04Z,  -0.80,  -8.35,  99.90,  -8.65,   0.50,
07/12 05Z,  -0.80,  -8.85,  99.90,  -9.15,   0.50,  (min)
07/12 06Z,  -0.80,  -8.52,  99.90,  -8.82,   0.50,
07/12 07Z,  -0.70,  -7.44,  99.90,  -7.65,   0.50,
07/12 08Z,  -0.80,  -5.88,  99.90,  -6.18,   0.50,
07/12 09Z,  -0.70,  -4.16,  99.90,  -4.36,   0.50,
07/12 10Z,  -0.80,  -2.74,  99.90,  -3.04,   0.50,
07/12 11Z,  -0.90,  -2.07,  99.90,  -2.47,   0.50,  (max)
07/12 12Z,  -0.90,  -2.41,  99.90,  -2.81,   0.50,
07/12 13Z,  -0.90,  -3.72,  99.90,  -4.12,   0.50,
07/12 14Z,  -0.90,  -5.79,  99.90,  -6.19,   0.50,
07/12 15Z,  -1.00,  -8.28,  99.90,  -8.78,   0.50,
07/12 16Z,  -1.00, -10.67,  99.90, -11.17,   0.50,
07/12 17Z,  -1.00, -12.36,  99.90, -12.86,   0.50,
07/12 18Z,  -1.10, -12.98,  99.90, -13.58,   0.50,  (min)
07/12 19Z,  -1.10, -12.51,  99.90, -13.11,   0.50,
07/12 20Z,  -1.10, -11.17,  99.90, -11.77,   0.50,
07/12 21Z,  -1.00,  -9.28,  99.90,  -9.78,   0.50,
07/12 22Z,  -0.90,  -7.25,  99.90,  -7.65,   0.50,
07/12 23Z,  -0.90,  -5.57,  99.90,  -5.97,   0.50,
07/13 00Z,  -0.90,  -4.63,  99.90,  -5.03,   0.50,
07/13 01Z,  -0.90,  -4.54,  99.90,  -4.94,   0.50,  (max)
07/13 02Z,  -0.90,  -5.20,  99.90,  -5.60,   0.50,
07/13 03Z,  -0.80,  -6.42,  99.90,  -6.72,   0.50,
07/13 04Z,  -0.80,  -7.82,  99.90,  -8.12,   0.50,
07/13 05Z,  -0.80,  -8.87,  99.90,  -9.17,   0.50,
07/13 06Z,  -0.80,  -9.15,  99.90,  -9.45,   0.50,  (min)
07/13 07Z,  -0.80,  -8.53,  99.90,  -8.83,   0.50,
07/13 08Z,  -0.90,  -7.22,  99.90,  -7.62,   0.50,
07/13 09Z,  -0.80,  -5.52,  99.90,  -5.82,   0.50,
07/13 10Z,  -0.80,  -3.82,  99.90,  -4.12,   0.50,
07/13 11Z,  -0.80,  -2.59,  99.90,  -2.89,   0.50,
07/13 12Z,  -0.80,  -2.23,  99.90,  -2.53,   0.50,  (max)
07/13 13Z,  -0.80,  -2.92,  99.90,  -3.22,   0.50,
07/13 14Z,  -0.90,  -4.53,  99.90,  -4.93,   0.50,
07/13 15Z,  -0.90,  -6.79,  99.90,  -7.19,   0.50,
07/13 16Z,  -0.90,  -9.28,  99.90,  -9.68,   0.50,
07/13 17Z,  -0.90, -11.45,  99.90, -11.85,   0.50,
07/13 18Z,  -0.90, -12.73,  99.90, -13.14,   0.50,
07/13 19Z,  -0.90, -12.87,  99.90, -13.27,   0.50,  (min)
07/13 20Z,  -0.90, -11.95,  99.90, -12.35,   0.50,
07/13 21Z,  -0.90, -10.29,  99.90, -10.69,   0.50,
07/13 22Z,  -0.90,  -8.25,  99.90,  -8.65,   0.50,
07/13 23Z,  -0.90,  -6.26,  99.90,  -6.66,   0.50,
07/14 00Z,  -1.00,  -4.82,  99.90,  -5.32,   0.50,
07/14 01Z,  -1.00,  -4.23,  99.90,  -4.73,   0.50,  (max)
07/14 02Z,  -1.00,  -4.53,  99.90,  -5.03,   0.50,
07/14 03Z,  -1.00,  -5.53,  99.90,  -6.04,   0.50,
07/14 04Z,  -1.00,  -6.97,  99.90,  -7.47,   0.50,
07/14 05Z,  -1.00,  -8.41,  99.90,  -8.91,   0.50,
07/14 06Z,  -1.00,  -9.32,  99.90,  -9.83,   0.50,
07/14 07Z,  -1.00,  -9.35,  99.90,  -9.86,   0.50,  (min)
07/14 08Z,  -1.00,  -8.50,  99.90,  -9.00,   0.50,
07/14 09Z,  -1.00,  -7.04,  99.90,  -7.54,   0.50,
07/14 10Z,  -1.00,  -5.33,  99.90,  -5.83,   0.50,
07/14 11Z,  -1.00,  -3.75,  99.90,  -4.25,   0.50,
07/14 12Z,  -1.00,  -2.76,  99.90,  -3.26,   0.50,
07/14 13Z,  -1.00,  -2.72,  99.90,  -3.22,   0.50,  (max)
07/14 14Z,  -1.10,  -3.69,  99.90,  -4.29,   0.50,
07/14 15Z,  -1.20,  -5.48,  99.90,  -6.18,   0.50,
07/14 16Z,  -1.20,  -7.76,  99.90,  -8.46,   0.50,
07/14 17Z,  -1.20, -10.07,  99.90, -10.77,   0.50,
07/14 18Z,  -1.20, -11.87,  99.90, -12.58,   0.50,
07/14 19Z,  -1.20, -12.68,  99.90, -13.38,   0.50,  (min)
07/14 20Z,  -1.20, -12.33,  99.90, -13.03,   0.50,
07/14 21Z,  -1.20, -11.05,  99.90, -11.75,   0.50,
07/14 22Z,  -1.20,  -9.19,  99.90,  -9.89,   0.50,
07/14 23Z,  -1.20,  -7.12,  99.90,  -7.82,   0.50,
07/15 00Z,  -1.30,  -5.31,  99.90,  -6.11,   0.50,
07/15 01Z,  -1.20,  -4.19,  99.90,  -4.89,   0.50,
07/15 02Z,  -1.20,  -3.99,  99.90,  -4.69,   0.50,  (max)
07/15 03Z,  -1.30,  -4.65,  99.90,  -5.45,   0.50,
07/15 04Z,  -1.30,  -5.94,  99.90,  -6.74,   0.50,
07/15 05Z,  -1.30,  -7.51,  99.90,  -8.31,   0.50,
07/15 06Z,  -1.30,  -8.92,  99.90,  -9.73,   0.50,
07/15 07Z,  99.90,  -9.68,  99.90,  99.90,   0.50,
07/15 08Z,  99.90,  -9.51,  99.90,  99.90,   0.50,
07/15 09Z,  99.90,  -8.52,  99.90,  99.90,   0.50,
07/15 10Z,  99.90,  -7.03,  99.90,  99.90,   0.50,
07/15 11Z,  99.90,  -5.40,  99.90,  99.90,   0.50,
07/15 12Z,  99.90,  -4.01,  99.90,  99.90,   0.50,