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 : 07/08/2025 13:20:52 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/06 18Z,  -0.40,   5.53,   5.88,  99.90,   0.75,
07/06 19Z,  -0.40,   6.83,   7.14,  99.90,   0.71,
07/06 20Z,  -0.40,   7.60,   7.83,  99.90,   0.63,
07/06 21Z,  -0.50,   7.76,   8.05,  99.90,   0.79,  (max)
07/06 22Z,  -0.50,   7.33,   7.59,  99.90,   0.76,
07/06 23Z,  -0.50,   6.54,   6.83,  99.90,   0.79,
07/07 00Z,  -0.50,   5.76,   6.08,  99.90,   0.82,
07/07 01Z,  -0.60,   5.32,   5.53,  99.90,   0.81,
07/07 02Z,  -0.60,   5.36,   5.29,  99.90,   0.53,  (min)
07/07 03Z,  -0.60,   5.85,   5.83,  99.90,   0.58,
07/07 04Z,  -0.60,   6.78,   6.87,  99.90,   0.69,
07/07 05Z,  -0.60,   8.09,   8.16,  99.90,   0.67,
07/07 06Z,  -0.60,   9.44,   9.49,  99.90,   0.65,
07/07 07Z,  -0.60,  10.35,  10.39,  99.90,   0.64,
07/07 08Z,  -0.60,  10.57,  10.57,  99.90,   0.60,  (max)
07/07 09Z,  -0.60,  10.01,  10.09,  99.90,   0.68,
07/07 10Z,  -0.60,   8.64,   8.82,  99.90,   0.78,
07/07 11Z,  -0.60,   6.64,   6.83,  99.90,   0.79,
07/07 12Z,  -0.60,   4.41,   4.56,  99.90,   0.75,
07/07 13Z,  -0.70,   2.43,   2.62,  99.90,   0.89,
07/07 14Z,  -0.70,   1.08,   1.16,  99.90,   0.78,
07/07 15Z,  -0.70,   0.55,   0.69,  99.90,   0.84,  (min)
07/07 16Z,  -0.70,   0.89,   1.08,  99.90,   0.89,
07/07 17Z,  -0.70,   2.12,   2.32,  99.90,   0.90,
07/07 18Z,  -0.70,   4.00,   4.13,  99.90,   0.83,
07/07 19Z,  -0.70,   5.93,   6.12,  99.90,   0.89,
07/07 20Z,  -0.70,   7.43,   7.64,  99.90,   0.91,
07/07 21Z,  -0.70,   8.26,   8.50,  99.90,   0.94,  (max)
07/07 22Z,  -0.70,   8.33,   8.47,  99.90,   0.84,
07/07 23Z,  -0.70,   7.71,   7.82,  99.90,   0.81,
07/08 00Z,  -0.70,   6.74,   6.95,  99.90,   0.91,
07/08 01Z,  -0.70,   5.83,   6.05,  99.90,   0.92,
07/08 02Z,  -0.70,   5.31,   5.41,  99.90,   0.80,
07/08 03Z,  -0.70,   5.34,   5.23,  99.90,   0.59,  (min)
07/08 04Z,  -0.70,   5.90,   6.06,  99.90,   0.86,
07/08 05Z,  -0.70,   6.97,   7.20,  99.90,   0.93,
07/08 06Z,  -0.70,   8.45,   8.74,  99.90,   0.99,
07/08 07Z,  -0.60,   9.92,  10.20,  99.90,   0.88,
07/08 08Z,  -0.60,  10.84,  10.94,  99.90,   0.70,
07/08 09Z,  -0.60,  10.94,  11.06,  99.90,   0.72,  (max)
07/08 10Z,  -0.60,  10.11,  10.41,  99.90,   0.90,
07/08 11Z,  -0.60,   8.38,   8.60,  99.90,   0.82,
07/08 12Z,  -0.60,   6.03,   6.28,  99.90,   0.85,
07/08 13Z,  -0.60,   3.55,   3.87,  99.90,   0.92,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/08 14Z,  -0.60,   1.45,  99.90,   1.77,   0.92,
07/08 15Z,  -0.60,   0.14,  99.90,   0.47,   0.92,
07/08 16Z,  -0.50,  -0.19,  99.90,   0.23,   0.92,  (min)
07/08 17Z,  -0.50,   0.49,  99.90,   0.92,   0.93,
07/08 18Z,  -0.50,   2.17,  99.90,   2.60,   0.93,
07/08 19Z,  -0.40,   4.46,  99.90,   4.99,   0.93,
07/08 20Z,  -0.40,   6.66,  99.90,   7.19,   0.94,
07/08 21Z,  -0.40,   8.23,  99.90,   8.77,   0.94,
07/08 22Z,  -0.40,   8.94,  99.90,   9.48,   0.94,  (max)
07/08 23Z,  -0.40,   8.75,  99.90,   9.29,   0.94,
07/09 00Z,  -0.30,   7.84,  99.90,   8.49,   0.95,
07/09 01Z,  -0.30,   6.63,  99.90,   7.28,   0.95,
07/09 02Z,  -0.30,   5.56,  99.90,   6.21,   0.95,
07/09 03Z,  -0.30,   5.01,  99.90,   5.66,   0.95,  (min)
07/09 04Z,  -0.30,   5.12,  99.90,   5.77,   0.95,
07/09 05Z,  -0.30,   5.86,  99.90,   6.51,   0.95,
07/09 06Z,  -0.30,   7.19,  99.90,   7.84,   0.95,
07/09 07Z,  -0.30,   8.95,  99.90,   9.60,   0.95,
07/09 08Z,  -0.30,  10.55,  99.90,  11.20,   0.95,
07/09 09Z,  -0.30,  11.41,  99.90,  12.06,   0.95,  (max)
07/09 10Z,  -0.30,  11.26,  99.90,  11.91,   0.95,
07/09 11Z,  -0.30,  10.03,  99.90,  10.68,   0.95,
07/09 12Z,  -0.30,   7.88,  99.90,   8.53,   0.95,
07/09 13Z,  -0.30,   5.18,  99.90,   5.83,   0.95,
07/09 14Z,  -0.30,   2.50,  99.90,   3.14,   0.95,
07/09 15Z,  -0.40,   0.38,  99.90,   0.93,   0.95,
07/09 16Z,  -0.40,  -0.76,  99.90,  -0.21,   0.95,
07/09 17Z,  -0.50,  -0.77,  99.90,  -0.33,   0.95,  (min)
07/09 18Z,  -0.50,   0.38,  99.90,   0.82,   0.95,
07/09 19Z,  -0.60,   2.57,  99.90,   2.92,   0.95,
07/09 20Z,  -0.60,   5.26,  99.90,   5.61,   0.95,
07/09 21Z,  -0.60,   7.61,  99.90,   7.96,   0.95,
07/09 22Z,  -0.70,   9.07,  99.90,   9.32,   0.95,
07/09 23Z,  -0.70,   9.48,  99.90,   9.73,   0.95,  (max)
07/10 00Z,  -0.70,   8.90,  99.90,   9.15,   0.95,
07/10 01Z,  -0.70,   7.65,  99.90,   7.89,   0.95,
07/10 02Z,  -0.70,   6.20,  99.90,   6.44,   0.95,
07/10 03Z,  -0.60,   5.05,  99.90,   5.40,   0.95,
07/10 04Z,  -0.60,   4.57,  99.90,   4.91,   0.95,  (min)
07/10 05Z,  -0.50,   4.86,  99.90,   5.30,   0.95,
07/10 06Z,  -0.50,   5.88,  99.90,   6.33,   0.95,
07/10 07Z,  -0.40,   7.59,  99.90,   8.13,   0.95,
07/10 08Z,  -0.40,   9.63,  99.90,  10.18,   0.95,
07/10 09Z,  -0.30,  11.28,  99.90,  11.93,   0.95,
07/10 10Z,  -0.30,  11.94,  99.90,  12.58,   0.95,  (max)
07/10 11Z,  -0.30,  11.38,  99.90,  12.03,   0.95,
07/10 12Z,  -0.30,   9.68,  99.90,  10.33,   0.95,
07/10 13Z,  -0.30,   7.08,  99.90,   7.73,   0.95,
07/10 14Z,  -0.40,   4.09,  99.90,   4.64,   0.95,
07/10 15Z,  -0.40,   1.31,  99.90,   1.86,   0.95,
07/10 16Z,  -0.40,  -0.68,  99.90,  -0.13,   0.95,
07/10 17Z,  -0.30,  -1.51,  99.90,  -0.86,   0.95,  (min)
07/10 18Z,  -0.30,  -1.05,  99.90,  -0.41,   0.95,
07/10 19Z,  -0.30,   0.67,  99.90,   1.31,   0.95,
07/10 20Z,  -0.30,   3.39,  99.90,   4.03,   0.95,
07/10 21Z,  -0.20,   6.34,  99.90,   7.09,   0.95,
07/10 22Z,  -0.20,   8.63,  99.90,   9.38,   0.95,
07/10 23Z,  -0.20,   9.79,  99.90,  10.53,   0.95,  (max)
07/11 00Z,  -0.20,   9.76,  99.90,  10.50,   0.95,
07/11 01Z,  -0.20,   8.73,  99.90,   9.48,   0.95,
07/11 02Z,  -0.20,   7.14,  99.90,   7.89,   0.95,
07/11 03Z,  -0.30,   5.54,  99.90,   6.18,   0.95,
07/11 04Z,  -0.30,   4.41,  99.90,   5.06,   0.95,
07/11 05Z,  -0.30,   4.10,  99.90,   4.74,   0.95,  (min)
07/11 06Z,  -0.40,   4.68,  99.90,   5.23,   0.95,
07/11 07Z,  -0.40,   6.10,  99.90,   6.65,   0.95,
07/11 08Z,  -0.50,   8.20,  99.90,   8.64,   0.95,
07/11 09Z,  -0.50,  10.43,  99.90,  10.88,   0.95,
07/11 10Z,  -0.40,  11.96,  99.90,  12.51,   0.95,
07/11 11Z,  -0.40,  12.24,  99.90,  12.79,   0.95,  (max)
07/11 12Z,  -0.50,  11.17,  99.90,  11.62,   0.95,
07/11 13Z,  -0.50,   8.96,  99.90,   9.41,   0.95,
07/11 14Z,  -0.60,   5.99,  99.90,   6.34,   0.95,
07/11 15Z,  -0.60,   2.84,  99.90,   3.19,   0.95,
07/11 16Z,  -0.70,   0.14,  99.90,   0.39,   0.95,
07/11 17Z,  -0.70,  -1.55,  99.90,  -1.30,   0.95,
07/11 18Z,  -0.70,  -1.92,  99.90,  -1.67,   0.95,  (min)
07/11 19Z,  -0.70,  -0.88,  99.90,  -0.63,   0.95,
07/11 20Z,  -0.60,   1.44,  99.90,   1.79,   0.95,
07/11 21Z,  -0.60,   4.57,  99.90,   4.92,   0.95,
07/11 22Z,  -0.70,   7.57,  99.90,   7.82,   0.95,
07/11 23Z,  -0.70,   9.58,  99.90,   9.83,   0.95,
07/12 00Z,  -0.70,  10.26,  99.90,  10.51,   0.95,  (max)
07/12 01Z,  -0.80,   9.71,  99.90,   9.85,   0.95,
07/12 02Z,  -0.80,   8.25,  99.90,   8.40,   0.95,
07/12 03Z,  -0.80,   6.42,  99.90,   6.57,   0.95,
07/12 04Z,  -0.80,   4.76,  99.90,   4.91,   0.95,
07/12 05Z,  -0.80,   3.76,  99.90,   3.91,   0.95,
07/12 06Z,  -0.80,   3.72,  99.90,   3.87,   0.95,