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
Ketchikan, AK
Sitka, AK
Juneau, AK
Skagway, AK
Elfin Cove, AK
Yakutat, AK
Cordova, AK
Valdez, AK
Seward, AK
Seldovia, AK
Nikiski, AK
Anchorage, AK
Kodiak Island, AK
Alitak, AK
Sand Point, AK
King Cove, AK
Adak Island, AK
Atka, AK
Unalaska, AK
Surge List
Gulf of Alaska
#North Spit, CA : 05/10/2026 07:22:01 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/08 12Z,   0.20,  -3.64,  -3.06,  99.90,   0.38,  (max)
05/08 13Z,   0.20,  -4.28,  -3.71,  99.90,   0.37,
05/08 14Z,   0.20,  -5.29,  -4.73,  99.90,   0.36,
05/08 15Z,   0.20,  -6.46,  -5.72,  99.90,   0.54,
05/08 16Z,   0.20,  -7.56,  -6.88,  99.90,   0.48,
05/08 17Z,   0.20,  -8.39,  -7.69,  99.90,   0.50,
05/08 18Z,   0.00,  -8.83,  -8.09,  99.90,   0.74,  (min)
05/08 19Z,   0.10,  -8.76,  -8.03,  99.90,   0.63,
05/08 20Z,   0.10,  -8.23,  -7.51,  99.90,   0.62,
05/08 21Z,   0.10,  -7.41,  -6.73,  99.90,   0.58,
05/08 22Z,   0.10,  -6.50,  -5.85,  99.90,   0.55,
05/08 23Z,   0.10,  -5.62,  -5.01,  99.90,   0.51,
05/09 00Z,   0.00,  -4.90,  -4.36,  99.90,   0.54,
05/09 01Z,   0.00,  -4.47,  -3.92,  99.90,   0.55,
05/09 02Z,   0.00,  -4.40,  -3.86,  99.90,   0.54,  (max)
05/09 03Z,   0.00,  -4.62,  -4.02,  99.90,   0.60,
05/09 04Z,   0.00,  -4.96,  -4.32,  99.90,   0.64,
05/09 05Z,   0.00,  -5.28,  -4.71,  99.90,   0.57,
05/09 06Z,   0.00,  -5.49,  -4.80,  99.90,   0.69,  (min)
05/09 07Z,   0.00,  -5.46,  -4.76,  99.90,   0.70,
05/09 08Z,   0.00,  -5.17,  -4.48,  99.90,   0.69,
05/09 09Z,   0.00,  -4.70,  -4.08,  99.90,   0.62,
05/09 10Z,   0.00,  -4.24,  -3.64,  99.90,   0.60,
05/09 11Z,   0.10,  -3.89,  -3.25,  99.90,   0.54,
05/09 12Z,   0.10,  -3.76,  -3.09,  99.90,   0.57,  (max)
05/09 13Z,   0.20,  -3.95,  -3.35,  99.90,   0.40,
05/09 14Z,   0.20,  -4.55,  -4.01,  99.90,   0.34,
05/09 15Z,   0.20,  -5.48,  -4.87,  99.90,   0.41,
05/09 16Z,   0.20,  -6.56,  -5.85,  99.90,   0.51,
05/09 17Z,   0.20,  -7.55,  -6.81,  99.90,   0.54,
05/09 18Z,   0.20,  -8.30,  -7.59,  99.90,   0.51,
05/09 19Z,   0.20,  -8.66,  -8.02,  99.90,   0.44,  (min)
05/09 20Z,   0.20,  -8.53,  -7.84,  99.90,   0.49,
05/09 21Z,   0.20,  -7.96,  -7.24,  99.90,   0.52,
05/09 22Z,   0.20,  -7.12,  -6.42,  99.90,   0.50,
05/09 23Z,   0.20,  -6.19,  -5.52,  99.90,   0.47,
05/10 00Z,   0.10,  -5.30,  -4.66,  99.90,   0.54,
05/10 01Z,   0.10,  -4.58,  -3.96,  99.90,   0.52,
05/10 02Z,   0.10,  -4.20,  -3.61,  99.90,   0.49,
05/10 03Z,   0.10,  -4.21,  -3.56,  99.90,   0.55,  (max)
05/10 04Z,   0.10,  -4.51,  -3.80,  99.90,   0.61,
05/10 05Z,   0.10,  -4.96,  -4.28,  99.90,   0.58,
05/10 06Z,   0.00,  -5.42,  -4.79,  99.90,   0.63,
05/10 07Z,   0.00,  -5.75,  -5.06,  99.90,   0.69,  (min)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/10 08Z,   0.10,  -5.83,  99.90,  -5.05,   0.68,
05/10 09Z,   0.10,  -5.60,  99.90,  -4.83,   0.68,
05/10 10Z,   0.10,  -5.16,  99.90,  -4.39,   0.67,
05/10 11Z,   0.10,  -4.67,  99.90,  -3.91,   0.66,
05/10 12Z,   0.10,  -4.26,  99.90,  -3.51,   0.65,
05/10 13Z,   0.10,  -4.04,  99.90,  -3.30,   0.64,  (max)
05/10 14Z,   0.10,  -4.16,  99.90,  -3.42,   0.63,
05/10 15Z,   0.10,  -4.68,  99.90,  -3.96,   0.62,
05/10 16Z,   0.10,  -5.54,  99.90,  -4.83,   0.61,
05/10 17Z,   0.00,  -6.54,  99.90,  -5.94,   0.61,
05/10 18Z,   0.00,  -7.48,  99.90,  -6.88,   0.60,
05/10 19Z,   0.00,  -8.17,  99.90,  -7.58,   0.59,
05/10 20Z,   0.00,  -8.47,  99.90,  -7.89,   0.59,  (min)
05/10 21Z,   0.00,  -8.28,  99.90,  -7.69,   0.59,
05/10 22Z,   0.00,  -7.63,  99.90,  -7.04,   0.59,
05/10 23Z,   0.10,  -6.71,  99.90,  -6.02,   0.59,
05/11 00Z,   0.10,  -5.72,  99.90,  -5.03,   0.59,
05/11 01Z,   0.10,  -4.79,  99.90,  -4.11,   0.59,
05/11 02Z,   0.10,  -4.10,  99.90,  -3.41,   0.59,
05/11 03Z,   0.10,  -3.80,  99.90,  -3.11,   0.59,  (max)
05/11 04Z,   0.10,  -3.95,  99.90,  -3.26,   0.59,
05/11 05Z,   0.10,  -4.44,  99.90,  -3.75,   0.59,
05/11 06Z,   0.10,  -5.10,  99.90,  -4.41,   0.59,
05/11 07Z,   0.10,  -5.77,  99.90,  -5.08,   0.59,
05/11 08Z,   0.10,  -6.28,  99.90,  -5.59,   0.59,
05/11 09Z,   0.10,  -6.46,  99.90,  -5.77,   0.59,  (min)
05/11 10Z,   0.10,  -6.25,  99.90,  -5.56,   0.59,
05/11 11Z,   0.10,  -5.75,  99.90,  -5.06,   0.59,
05/11 12Z,   0.10,  -5.15,  99.90,  -4.46,   0.59,
05/11 13Z,   0.10,  -4.59,  99.90,  -3.91,   0.59,
05/11 14Z,   0.20,  -4.24,  99.90,  -3.45,   0.59,  (max)
05/11 15Z,   0.20,  -4.24,  99.90,  -3.45,   0.59,
05/11 16Z,   0.10,  -4.68,  99.90,  -4.00,   0.59,
05/11 17Z,   0.10,  -5.49,  99.90,  -4.80,   0.59,
05/11 18Z,   0.10,  -6.45,  99.90,  -5.76,   0.59,
05/11 19Z,   0.20,  -7.35,  99.90,  -6.56,   0.59,
05/11 20Z,   0.10,  -8.01,  99.90,  -7.32,   0.59,
05/11 21Z,   0.10,  -8.24,  99.90,  -7.56,   0.59,  (min)
05/11 22Z,   0.20,  -7.94,  99.90,  -7.15,   0.59,
05/11 23Z,   0.20,  -7.17,  99.90,  -6.38,   0.59,
05/12 00Z,   0.20,  -6.14,  99.90,  -5.35,   0.59,
05/12 01Z,   0.20,  -5.06,  99.90,  -4.27,   0.59,
05/12 02Z,   0.20,  -4.11,  99.90,  -3.32,   0.59,
05/12 03Z,   0.20,  -3.48,  99.90,  -2.69,   0.59,
05/12 04Z,   0.20,  -3.35,  99.90,  -2.56,   0.59,  (max)
05/12 05Z,   0.20,  -3.73,  99.90,  -2.94,   0.59,
05/12 06Z,   0.20,  -4.50,  99.90,  -3.71,   0.59,
05/12 07Z,   0.20,  -5.45,  99.90,  -4.66,   0.59,
05/12 08Z,   0.20,  -6.38,  99.90,  -5.59,   0.59,
05/12 09Z,   0.30,  -7.07,  99.90,  -6.18,   0.59,
05/12 10Z,   0.20,  -7.30,  99.90,  -6.51,   0.59,  (min)
05/12 11Z,   0.20,  -7.02,  99.90,  -6.23,   0.59,
05/12 12Z,   0.30,  -6.38,  99.90,  -5.49,   0.59,
05/12 13Z,   0.30,  -5.59,  99.90,  -4.70,   0.59,
05/12 14Z,   0.30,  -4.84,  99.90,  -3.95,   0.59,
05/12 15Z,   0.30,  -4.31,  99.90,  -3.42,   0.59,
05/12 16Z,   0.30,  -4.20,  99.90,  -3.31,   0.59,  (max)
05/12 17Z,   0.20,  -4.58,  99.90,  -3.79,   0.59,
05/12 18Z,   0.30,  -5.35,  99.90,  -4.46,   0.59,
05/12 19Z,   0.30,  -6.29,  99.90,  -5.40,   0.59,
05/12 20Z,   0.20,  -7.18,  99.90,  -6.40,   0.59,
05/12 21Z,   0.20,  -7.81,  99.90,  -7.02,   0.59,
05/12 22Z,   0.30,  -7.94,  99.90,  -7.05,   0.59,  (min)
05/12 23Z,   0.30,  -7.48,  99.90,  -6.59,   0.59,
05/13 00Z,   0.30,  -6.55,  99.90,  -5.66,   0.59,
05/13 01Z,   0.30,  -5.39,  99.90,  -4.50,   0.59,
05/13 02Z,   0.20,  -4.24,  99.90,  -3.45,   0.59,
05/13 03Z,   0.20,  -3.32,  99.90,  -2.53,   0.59,
05/13 04Z,   0.30,  -2.83,  99.90,  -1.94,   0.59,  (max)
05/13 05Z,   0.30,  -2.94,  99.90,  -2.05,   0.59,
05/13 06Z,   0.20,  -3.64,  99.90,  -2.85,   0.59,
05/13 07Z,   0.20,  -4.75,  99.90,  -3.97,   0.59,
05/13 08Z,   0.20,  -6.04,  99.90,  -5.25,   0.59,
05/13 09Z,   0.30,  -7.23,  99.90,  -6.35,   0.59,
05/13 10Z,   0.20,  -8.05,  99.90,  -7.26,   0.59,
05/13 11Z,   0.20,  -8.25,  99.90,  -7.46,   0.59,  (min)
05/13 12Z,   0.30,  -7.82,  99.90,  -6.93,   0.59,
05/13 13Z,   0.20,  -6.96,  99.90,  -6.18,   0.59,
05/13 14Z,   0.20,  -5.93,  99.90,  -5.14,   0.59,
05/13 15Z,   0.30,  -4.96,  99.90,  -4.07,   0.59,
05/13 16Z,   0.20,  -4.27,  99.90,  -3.48,   0.59,
05/13 17Z,   0.20,  -4.06,  99.90,  -3.27,   0.59,  (max)
05/13 18Z,   0.20,  -4.40,  99.90,  -3.61,   0.59,
05/13 19Z,   0.20,  -5.16,  99.90,  -4.37,   0.59,
05/13 20Z,   0.20,  -6.11,  99.90,  -5.32,   0.59,
05/13 21Z,   0.20,  -6.99,  99.90,  -6.20,   0.59,
05/13 22Z,   0.30,  -7.55,  99.90,  -6.66,   0.59,  (min)
05/13 23Z,   0.30,  -7.54,  99.90,  -6.65,   0.59,
05/14 00Z,   0.30,  -6.90,  99.90,  -6.01,   0.59,