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 : 07/11/2025 18:21:40 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/10 00Z,  -0.60,  -6.27,  -6.02,  99.90,   0.85,  (max)
07/10 01Z,  -0.70,  -7.52,  -7.24,  99.90,   0.98,
07/10 02Z,  -0.70,  -8.97,  -8.53,  99.90,   1.14,
07/10 03Z,  -0.70, -10.12,  -9.81,  99.90,   1.01,
07/10 04Z,  -0.70, -10.60, -10.13,  99.90,   1.17,  (min)
07/10 05Z,  -0.80, -10.31,  -9.77,  99.90,   1.34,
07/10 06Z,  -0.60,  -9.29,  -8.58,  99.90,   1.31,
07/10 07Z,  -0.60,  -7.58,  -6.85,  99.90,   1.33,
07/10 08Z,  -0.50,  -5.54,  -4.85,  99.90,   1.19,
07/10 09Z,  -0.50,  -3.89,  -3.25,  99.90,   1.14,
07/10 10Z,  -0.40,  -3.23,  -2.74,  99.90,   0.89,  (max)
07/10 11Z,  -0.30,  -3.79,  -3.25,  99.90,   0.84,
07/10 12Z,  -0.30,  -5.49,  -4.84,  99.90,   0.95,
07/10 13Z,  -0.30,  -8.09,  -7.53,  99.90,   0.86,
07/10 14Z,  -0.30, -11.08, -10.44,  99.90,   0.94,
07/10 15Z,  -0.20, -13.86, -13.11,  99.90,   0.95,
07/10 16Z,  -0.20, -15.85, -15.11,  99.90,   0.94,
07/10 17Z,  -0.20, -16.68, -15.75,  99.90,   1.13,  (min)
07/10 18Z,  -0.20, -16.22, -15.18,  99.90,   1.24,
07/10 19Z,  -0.20, -14.50, -13.66,  99.90,   1.04,
07/10 20Z,  -0.20, -11.78, -10.98,  99.90,   1.00,
07/10 21Z,  -0.20,  -8.83,  -8.01,  99.90,   1.02,
07/10 22Z,  -0.20,  -6.54,  -5.78,  99.90,   0.96,
07/10 23Z,  -0.20,  -5.38,  -4.74,  99.90,   0.84,  (max)
07/11 00Z,  -0.20,  -5.41,  -4.93,  99.90,   0.68,
07/11 01Z,  -0.10,  -6.44,  -5.91,  99.90,   0.63,
07/11 02Z,  -0.10,  -8.03,  -7.47,  99.90,   0.66,
07/11 03Z,  -0.10,  -9.63,  -9.13,  99.90,   0.60,
07/11 04Z,  -0.20, -10.76, -10.16,  99.90,   0.80,
07/11 05Z,  -0.20, -11.07, -10.39,  99.90,   0.88,  (min)
07/11 06Z,  -0.20, -10.49,  -9.65,  99.90,   1.04,
07/11 07Z,  -0.20,  -9.07,  -8.07,  99.90,   1.20,
07/11 08Z,  -0.20,  -6.97,  -6.13,  99.90,   1.04,
07/11 09Z,  -0.30,  -4.74,  -4.01,  99.90,   1.03,
07/11 10Z,  -0.30,  -3.21,  -2.74,  99.90,   0.77,
07/11 11Z,  -0.30,  -2.93,  -2.62,  99.90,   0.61,  (max)
07/11 12Z,  -0.30,  -4.00,  -3.53,  99.90,   0.77,
07/11 13Z,  -0.30,  -6.21,  -5.76,  99.90,   0.75,
07/11 14Z,  -0.30,  -9.18,  -8.88,  99.90,   0.60,
07/11 15Z,  -0.40, -12.33, -11.89,  99.90,   0.84,
07/11 16Z,  -0.40, -15.03, -14.48,  99.90,   0.95,
07/11 17Z,  -0.40, -16.72, -16.08,  99.90,   1.04,
07/11 18Z,  -0.50, -17.09, -16.33,  99.90,   1.26,  (min)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/11 19Z,  -0.50, -16.05,  99.90, -15.33,   1.22,
07/11 20Z,  -0.50, -13.73,  99.90, -13.05,   1.18,
07/11 21Z,  -0.60, -10.60,  99.90, -10.05,   1.15,
07/11 22Z,  -0.60,  -7.60,  99.90,  -7.09,   1.11,
07/11 23Z,  -0.60,  -5.59,  99.90,  -5.12,   1.07,
07/12 00Z,  -0.60,  -4.91,  99.90,  -4.48,   1.03,  (max)
07/12 01Z,  -0.60,  -5.46,  99.90,  -5.07,   1.00,
07/12 02Z,  -0.60,  -6.92,  99.90,  -6.56,   0.96,
07/12 03Z,  -0.60,  -8.75,  99.90,  -8.43,   0.92,
07/12 04Z,  -0.60, -10.41,  99.90, -10.12,   0.89,
07/12 05Z,  -0.60, -11.41,  99.90, -11.16,   0.85,
07/12 06Z,  -0.60, -11.45,  99.90, -11.24,   0.81,  (min)
07/12 07Z,  -0.60, -10.48,  99.90, -10.27,   0.81,
07/12 08Z,  -0.60,  -8.64,  99.90,  -8.43,   0.81,
07/12 09Z,  -0.60,  -6.24,  99.90,  -6.03,   0.81,
07/12 10Z,  -0.60,  -4.00,  99.90,  -3.79,   0.81,
07/12 11Z,  -0.60,  -2.78,  99.90,  -2.57,   0.81,  (max)
07/12 12Z,  -0.60,  -3.01,  99.90,  -2.80,   0.81,
07/12 13Z,  -0.60,  -4.61,  99.90,  -4.40,   0.81,
07/12 14Z,  -0.70,  -7.26,  99.90,  -7.15,   0.81,
07/12 15Z,  -0.70, -10.45,  99.90, -10.34,   0.81,
07/12 16Z,  -0.70, -13.56,  99.90, -13.45,   0.81,
07/12 17Z,  -0.70, -15.99,  99.90, -15.88,   0.81,
07/12 18Z,  -0.70, -17.23,  99.90, -17.12,   0.81,  (min)
07/12 19Z,  -0.70, -16.99,  99.90, -16.88,   0.81,
07/12 20Z,  -0.80, -15.32,  99.90, -15.31,   0.81,
07/12 21Z,  -0.80, -12.49,  99.90, -12.48,   0.81,
07/12 22Z,  -0.80,  -9.17,  99.90,  -9.16,   0.81,
07/12 23Z,  -0.80,  -6.37,  99.90,  -6.36,   0.81,
07/13 00Z,  -0.80,  -4.85,  99.90,  -4.84,   0.81,
07/13 01Z,  -0.90,  -4.75,  99.90,  -4.84,   0.81,  (max)
07/13 02Z,  -0.90,  -5.82,  99.90,  -5.91,   0.81,
07/13 03Z,  -0.90,  -7.61,  99.90,  -7.70,   0.81,
07/13 04Z,  -0.90,  -9.58,  99.90,  -9.67,   0.81,
07/13 05Z,  -0.80, -11.18,  99.90, -11.17,   0.81,
07/13 06Z,  -0.80, -11.96,  99.90, -11.95,   0.81,  (min)
07/13 07Z,  -0.80, -11.65,  99.90, -11.64,   0.81,
07/13 08Z,  -0.80, -10.27,  99.90, -10.26,   0.81,
07/13 09Z,  -0.70,  -8.09,  99.90,  -7.98,   0.81,
07/13 10Z,  -0.70,  -5.57,  99.90,  -5.46,   0.81,
07/13 11Z,  -0.70,  -3.53,  99.90,  -3.42,   0.81,
07/13 12Z,  -0.70,  -2.77,  99.90,  -2.66,   0.81,  (max)
07/13 13Z,  -0.70,  -3.55,  99.90,  -3.43,   0.81,
07/13 14Z,  -0.80,  -5.60,  99.90,  -5.59,   0.81,
07/13 15Z,  -0.80,  -8.51,  99.90,  -8.49,   0.81,
07/13 16Z,  -0.80, -11.70,  99.90, -11.69,   0.81,
07/13 17Z,  -0.80, -14.57,  99.90, -14.56,   0.81,
07/13 18Z,  -0.80, -16.55,  99.90, -16.54,   0.81,
07/13 19Z,  -0.80, -17.18,  99.90, -17.17,   0.81,  (min)
07/13 20Z,  -0.80, -16.28,  99.90, -16.27,   0.81,
07/13 21Z,  -0.80, -14.05,  99.90, -14.04,   0.81,
07/13 22Z,  -0.80, -10.92,  99.90, -10.91,   0.81,
07/13 23Z,  -0.80,  -7.67,  99.90,  -7.66,   0.81,
07/14 00Z,  -0.80,  -5.30,  99.90,  -5.29,   0.81,
07/14 01Z,  -0.80,  -4.39,  99.90,  -4.38,   0.81,  (max)
07/14 02Z,  -0.90,  -4.87,  99.90,  -4.96,   0.81,
07/14 03Z,  -0.90,  -6.37,  99.90,  -6.46,   0.81,
07/14 04Z,  -0.90,  -8.40,  99.90,  -8.49,   0.81,
07/14 05Z,  -0.90, -10.40,  99.90, -10.49,   0.81,
07/14 06Z,  -0.90, -11.86,  99.90, -11.95,   0.81,
07/14 07Z,  -0.90, -12.35,  99.90, -12.44,   0.81,  (min)
07/14 08Z,  -0.80, -11.68,  99.90, -11.67,   0.81,
07/14 09Z,  -0.80,  -9.99,  99.90,  -9.98,   0.81,
07/14 10Z,  -0.80,  -7.64,  99.90,  -7.63,   0.81,
07/14 11Z,  -0.80,  -5.20,  99.90,  -5.19,   0.81,
07/14 12Z,  -0.90,  -3.51,  99.90,  -3.60,   0.81,
07/14 13Z,  -0.90,  -3.25,  99.90,  -3.34,   0.81,  (max)
07/14 14Z,  -1.00,  -4.48,  99.90,  -4.67,   0.81,
07/14 15Z,  -1.00,  -6.79,  99.90,  -6.98,   0.81,
07/14 16Z,  -1.00,  -9.72,  99.90,  -9.91,   0.81,
07/14 17Z,  -1.00, -12.69,  99.90, -12.88,   0.81,
07/14 18Z,  -1.00, -15.14,  99.90, -15.33,   0.81,
07/14 19Z,  -1.00, -16.53,  99.90, -16.72,   0.81,  (min)
07/14 20Z,  -1.00, -16.48,  99.90, -16.67,   0.81,
07/14 21Z,  -1.00, -15.00,  99.90, -15.19,   0.81,
07/14 22Z,  -1.00, -12.41,  99.90, -12.60,   0.81,
07/14 23Z,  -1.00,  -9.23,  99.90,  -9.42,   0.81,
07/15 00Z,  -1.00,  -6.29,  99.90,  -6.48,   0.81,
07/15 01Z,  -1.10,  -4.50,  99.90,  -4.79,   0.81,
07/15 02Z,  -1.10,  -4.22,  99.90,  -4.51,   0.81,  (max)
07/15 03Z,  -1.10,  -5.20,  99.90,  -5.49,   0.81,
07/15 04Z,  -1.20,  -7.01,  99.90,  -7.40,   0.81,
07/15 05Z,  -1.20,  -9.16,  99.90,  -9.55,   0.81,
07/15 06Z,  -1.20, -11.12,  99.90, -11.51,   0.81,
07/15 07Z,  -1.20, -12.40,  99.90, -12.79,   0.81,
07/15 08Z,  -1.20, -12.60,  99.90, -12.99,   0.81,  (min)
07/15 09Z,  -1.20, -11.66,  99.90, -12.05,   0.81,
07/15 10Z,  -1.10,  -9.82,  99.90, -10.11,   0.81,
07/15 11Z,  -1.10,  -7.49,  99.90,  -7.78,   0.81,
07/15 12Z,  -1.20,  -5.29,  99.90,  -5.68,   0.81,