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
#Alitak, AK : 05/13/2025 09:22:19 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/11 18Z,  -0.60, -10.84, -11.31,  99.90,   0.13,  (min)
05/11 19Z,  -0.50,  -8.55,  -9.22,  99.90,  -0.17,
05/11 20Z,  -0.60,  -5.71,  -6.23,  99.90,   0.08,
05/11 21Z,  -0.60,  -3.22,  -3.48,  99.90,   0.34,
05/11 22Z,  -0.60,  -1.72,  -1.93,  99.90,   0.39,
05/11 23Z,  -0.60,  -1.45,  -1.81,  99.90,   0.24,  (max)
05/12 00Z,  -0.60,  -2.35,  -2.62,  99.90,   0.33,
05/12 01Z,  -0.50,  -4.05,  -4.24,  99.90,   0.31,
05/12 02Z,  -0.50,  -5.98,  -6.20,  99.90,   0.28,
05/12 03Z,  -0.50,  -7.53,  -7.65,  99.90,   0.38,
05/12 04Z,  -0.60,  -8.28,  -8.40,  99.90,   0.48,  (min)
05/12 05Z,  -0.60,  -8.06,  -8.31,  99.90,   0.35,
05/12 06Z,  -0.50,  -6.91,  -6.87,  99.90,   0.54,
05/12 07Z,  -0.40,  -4.93,  -4.91,  99.90,   0.42,
05/12 08Z,  -0.40,  -2.50,  -2.90,  99.90,  -0.00,
05/12 09Z,  -0.30,  -0.41,  -0.49,  99.90,   0.22,
05/12 10Z,  -0.30,   0.60,   0.33,  99.90,   0.03,  (max)
05/12 11Z,  -0.30,   0.26,  -0.16,  99.90,  -0.12,
05/12 12Z,  -0.20,  -1.39,  -1.37,  99.90,   0.22,
05/12 13Z,  -0.20,  -4.02,  -3.91,  99.90,   0.31,
05/12 14Z,  -0.20,  -7.06,  -7.08,  99.90,   0.18,
05/12 15Z,  -0.20,  -9.84,  -9.80,  99.90,   0.24,
05/12 16Z,  -0.20, -11.78, -11.83,  99.90,   0.15,
05/12 17Z,  -0.20, -12.51, -12.70,  99.90,   0.01,  (min)
05/12 18Z,  -0.10, -11.98, -12.02,  99.90,   0.06,
05/12 19Z,  -0.10, -10.22, -10.35,  99.90,  -0.03,
05/12 20Z,  -0.20,  -7.50,  -7.69,  99.90,   0.01,
05/12 21Z,  -0.20,  -4.56,  -4.82,  99.90,  -0.06,
05/12 22Z,  -0.20,  -2.33,  -2.55,  99.90,  -0.02,
05/12 23Z,  -0.20,  -1.30,  -1.61,  99.90,  -0.11,  (max)
05/13 00Z,  -0.20,  -1.55,  -2.14,  99.90,  -0.39,
05/13 01Z,  -0.20,  -2.83,  -3.27,  99.90,  -0.24,
05/13 02Z,  -0.20,  -4.68,  -5.00,  99.90,  -0.12,
05/13 03Z,  -0.30,  -6.47,  -6.85,  99.90,  -0.08,
05/13 04Z,  -0.30,  -7.67,  -8.02,  99.90,  -0.05,
05/13 05Z,  -0.30,  -7.96,  -8.36,  99.90,  -0.10,  (min)
05/13 06Z,  -0.30,  -7.28,  -7.72,  99.90,  -0.14,
05/13 07Z,  -0.40,  -5.75,  -6.01,  99.90,   0.14,
05/13 08Z,  -0.40,  -3.55,  -3.88,  99.90,   0.07,
05/13 09Z,  -0.40,  -1.23,  -1.58,  99.90,   0.05,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/13 10Z,  -0.40,   0.38,  99.90,   0.05,   0.07,
05/13 11Z,  -0.50,   0.69,  99.90,   0.28,   0.09,  (max)
05/13 12Z,  -0.50,  -0.37,  99.90,  -0.76,   0.11,
05/13 13Z,  -0.50,  -2.58,  99.90,  -2.95,   0.13,
05/13 14Z,  -0.50,  -5.50,  99.90,  -5.85,   0.15,
05/13 15Z,  -0.60,  -8.51,  99.90,  -8.94,   0.17,
05/13 16Z,  -0.60, -10.98,  99.90, -11.40,   0.19,
05/13 17Z,  -0.60, -12.43,  99.90, -12.82,   0.21,
05/13 18Z,  -0.60, -12.60,  99.90, -12.97,   0.23,  (min)
05/13 19Z,  -0.60, -11.48,  99.90, -11.84,   0.24,
05/13 20Z,  -0.60,  -9.24,  99.90,  -9.57,   0.26,
05/13 21Z,  -0.60,  -6.30,  99.90,  -6.62,   0.28,
05/13 22Z,  -0.60,  -3.53,  99.90,  -3.84,   0.28,
05/13 23Z,  -0.60,  -1.76,  99.90,  -2.07,   0.28,
05/14 00Z,  -0.70,  -1.29,  99.90,  -1.71,   0.28,  (max)
05/14 01Z,  -0.70,  -2.01,  99.90,  -2.42,   0.28,
05/14 02Z,  -0.70,  -3.54,  99.90,  -3.95,   0.28,
05/14 03Z,  -0.70,  -5.34,  99.90,  -5.76,   0.28,
05/14 04Z,  -0.80,  -6.85,  99.90,  -7.36,   0.28,
05/14 05Z,  -0.80,  -7.62,  99.90,  -8.14,   0.28,  (min)
05/14 06Z,  -0.80,  -7.44,  99.90,  -7.96,   0.28,
05/14 07Z,  -0.80,  -6.35,  99.90,  -6.86,   0.28,
05/14 08Z,  -0.80,  -4.53,  99.90,  -5.05,   0.28,
05/14 09Z,  -0.80,  -2.31,  99.90,  -2.83,   0.28,
05/14 10Z,  -0.90,  -0.32,  99.90,  -0.94,   0.28,
05/14 11Z,  -1.00,   0.66,  99.90,  -0.06,   0.28,  (max)
05/14 12Z,  -1.10,   0.25,  99.90,  -0.57,   0.28,
05/14 13Z,  -1.30,  -1.42,  99.90,  -2.43,   0.28,
05/14 14Z,  -1.40,  -3.98,  99.90,  -5.10,   0.28,
05/14 15Z,  -1.50,  -6.94,  99.90,  -8.16,   0.28,
05/14 16Z,  -1.50,  -9.70,  99.90, -10.92,   0.28,
05/14 17Z,  -1.40, -11.73,  99.90, -12.85,   0.28,
05/14 18Z,  -1.30, -12.63,  99.90, -13.65,   0.28,  (min)
05/14 19Z,  -1.20, -12.23,  99.90, -13.15,   0.28,
05/14 20Z,  -1.00, -10.63,  99.90, -11.35,   0.28,
05/14 21Z,  -0.90,  -8.10,  99.90,  -8.72,   0.28,
05/14 22Z,  -0.80,  -5.20,  99.90,  -5.72,   0.28,
05/14 23Z,  -0.70,  -2.82,  99.90,  -3.24,   0.28,
05/15 00Z,  -0.60,  -1.62,  99.90,  -1.94,   0.28,  (max)
05/15 01Z,  -0.60,  -1.69,  99.90,  -2.01,   0.28,
05/15 02Z,  -0.70,  -2.74,  99.90,  -3.15,   0.28,
05/15 03Z,  -0.70,  -4.32,  99.90,  -4.73,   0.28,
05/15 04Z,  -0.60,  -5.91,  99.90,  -6.22,   0.28,
05/15 05Z,  -0.60,  -7.03,  99.90,  -7.35,   0.28,
05/15 06Z,  -0.60,  -7.36,  99.90,  -7.68,   0.28,  (min)
05/15 07Z,  -0.60,  -6.75,  99.90,  -7.06,   0.28,
05/15 08Z,  -0.60,  -5.33,  99.90,  -5.65,   0.28,
05/15 09Z,  -0.60,  -3.41,  99.90,  -3.72,   0.28,
05/15 10Z,  -0.50,  -1.37,  99.90,  -1.58,   0.28,
05/15 11Z,  -0.40,   0.13,  99.90,   0.01,   0.28,
05/15 12Z,  -0.40,   0.42,  99.90,   0.31,   0.28,  (max)
05/15 13Z,  -0.50,  -0.62,  99.90,  -0.83,   0.28,
05/15 14Z,  -0.50,  -2.69,  99.90,  -2.91,   0.28,
05/15 15Z,  -0.50,  -5.37,  99.90,  -5.58,   0.28,
05/15 16Z,  -0.50,  -8.14,  99.90,  -8.36,   0.28,
05/15 17Z,  -0.50, -10.53,  99.90, -10.74,   0.28,
05/15 18Z,  -0.50, -12.06,  99.90, -12.28,   0.28,
05/15 19Z,  -0.40, -12.43,  99.90, -12.54,   0.28,  (min)
05/15 20Z,  -0.40, -11.55,  99.90, -11.66,   0.28,
05/15 21Z,  -0.40,  -9.63,  99.90,  -9.75,   0.28,
05/15 22Z,  -0.40,  -7.05,  99.90,  -7.16,   0.28,
05/15 23Z,  -0.40,  -4.41,  99.90,  -4.53,   0.28,
05/16 00Z,  -0.40,  -2.54,  99.90,  -2.66,   0.28,
05/16 01Z,  -0.50,  -1.90,  99.90,  -2.12,   0.28,  (max)
05/16 02Z,  -0.50,  -2.36,  99.90,  -2.58,   0.28,
05/16 03Z,  -0.50,  -3.54,  99.90,  -3.76,   0.28,
05/16 04Z,  -0.50,  -4.99,  99.90,  -5.21,   0.28,
05/16 05Z,  -0.60,  -6.28,  99.90,  -6.60,   0.28,
05/16 06Z,  -0.50,  -7.01,  99.90,  -7.23,   0.28,  (min)
05/16 07Z,  -0.50,  -6.92,  99.90,  -7.14,   0.28,
05/16 08Z,  -0.50,  -5.97,  99.90,  -6.19,   0.28,
05/16 09Z,  -0.40,  -4.40,  99.90,  -4.52,   0.28,
05/16 10Z,  -0.40,  -2.55,  99.90,  -2.67,   0.28,
05/16 11Z,  -0.40,  -0.85,  99.90,  -0.96,   0.28,
05/16 12Z,  -0.40,   0.09,  99.90,  -0.03,   0.28,  (max)
05/16 13Z,  -0.40,  -0.23,  99.90,  -0.34,   0.28,
05/16 14Z,  -0.50,  -1.71,  99.90,  -1.93,   0.28,
05/16 15Z,  -0.50,  -3.95,  99.90,  -4.17,   0.28,
05/16 16Z,  -0.60,  -6.52,  99.90,  -6.84,   0.28,
05/16 17Z,  -0.60,  -9.00,  99.90,  -9.31,   0.28,
05/16 18Z,  -0.60, -10.96,  99.90, -11.28,   0.28,
05/16 19Z,  -0.60, -12.02,  99.90, -12.34,   0.28,  (min)
05/16 20Z,  -0.50, -11.93,  99.90, -12.15,   0.28,
05/16 21Z,  -0.50, -10.73,  99.90, -10.95,   0.28,
05/16 22Z,  -0.50,  -8.71,  99.90,  -8.92,   0.28,
05/16 23Z,  -0.50,  -6.25,  99.90,  -6.47,   0.28,
05/17 00Z,  -0.50,  -4.00,  99.90,  -4.21,   0.28,
05/17 01Z,  99.90,  -2.63,  99.90,  99.90,   0.28,
05/17 02Z,  99.90,  -2.42,  99.90,  99.90,   0.28,
05/17 03Z,  99.90,  -3.08,  99.90,  99.90,   0.28,
05/17 04Z,  99.90,  -4.21,  99.90,  99.90,   0.28,
05/17 05Z,  99.90,  -5.45,  99.90,  99.90,   0.28,
05/17 06Z,  99.90,  -6.42,  99.90,  99.90,   0.28,