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
#Sitka, AK : 02/16/2026 04:21:06 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/14 12Z,  -0.30,   5.61,   5.02,  99.90,  -0.29,
02/14 13Z,  -0.30,   5.02,   4.37,  99.90,  -0.35,
02/14 14Z,  -0.20,   4.93,   4.24,  99.90,  -0.49,  (min)
02/14 15Z,  -0.20,   5.43,   4.76,  99.90,  -0.47,
02/14 16Z,  -0.20,   6.44,   5.74,  99.90,  -0.50,
02/14 17Z,  -0.20,   7.69,   6.94,  99.90,  -0.55,
02/14 18Z,  -0.30,   8.85,   8.16,  99.90,  -0.39,
02/14 19Z,  -0.20,   9.55,   8.90,  99.90,  -0.45,  (max)
02/14 20Z,  -0.20,   9.53,   8.86,  99.90,  -0.47,
02/14 21Z,  -0.10,   8.68,   8.03,  99.90,  -0.55,
02/14 22Z,  -0.10,   7.08,   6.48,  99.90,  -0.50,
02/14 23Z,  -0.10,   5.04,   4.33,  99.90,  -0.61,
02/15 00Z,  -0.20,   2.94,   2.23,  99.90,  -0.51,
02/15 01Z,  -0.10,   1.22,   0.38,  99.90,  -0.74,
02/15 02Z,  -0.10,   0.26,  -0.48,  99.90,  -0.64,
02/15 03Z,  -0.20,   0.24,  -0.61,  99.90,  -0.65,  (min)
02/15 04Z,  -0.20,   1.14,   0.33,  99.90,  -0.61,
02/15 05Z,  -0.20,   2.76,   2.02,  99.90,  -0.54,
02/15 06Z,  -0.10,   4.69,   3.93,  99.90,  -0.66,
02/15 07Z,  -0.10,   6.50,   5.79,  99.90,  -0.61,
02/15 08Z,  -0.10,   7.80,   7.23,  99.90,  -0.47,
02/15 09Z,  -0.10,   8.33,   7.80,  99.90,  -0.43,  (max)
02/15 10Z,  -0.10,   8.05,   7.60,  99.90,  -0.35,
02/15 11Z,  -0.10,   7.14,   6.71,  99.90,  -0.33,
02/15 12Z,  -0.20,   5.92,   5.58,  99.90,  -0.14,
02/15 13Z,  -0.10,   4.82,   4.44,  99.90,  -0.28,
02/15 14Z,  -0.10,   4.21,   3.87,  99.90,  -0.24,  (min)
02/15 15Z,  -0.10,   4.31,   3.89,  99.90,  -0.32,
02/15 16Z,  -0.10,   5.15,   4.77,  99.90,  -0.28,
02/15 17Z,  -0.20,   6.55,   6.15,  99.90,  -0.20,
02/15 18Z,  -0.10,   8.13,   7.79,  99.90,  -0.24,
02/15 19Z,  -0.20,   9.45,   9.09,  99.90,  -0.16,
02/15 20Z,  -0.30,  10.10,   9.69,  99.90,  -0.11,  (max)
02/15 21Z,  -0.40,   9.81,   9.44,  99.90,   0.03,
02/15 22Z,  -0.40,   8.54,   8.19,  99.90,   0.05,
02/15 23Z,  -0.40,   6.51,   6.12,  99.90,   0.01,
02/16 00Z,  -0.40,   4.10,   3.68,  99.90,  -0.02,
02/16 01Z,  -0.40,   1.83,   1.33,  99.90,  -0.10,
02/16 02Z,  -0.40,   0.20,  -0.33,  99.90,  -0.13,
02/16 03Z,  -0.50,  -0.44,  -1.03,  99.90,  -0.09,  (min)
02/16 04Z,  -0.50,   0.05,  -0.61,  99.90,  -0.16,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/16 05Z,  -0.50,   1.52,  99.90,   0.84,  -0.18,
02/16 06Z,  -0.50,   3.61,  99.90,   2.91,  -0.20,
02/16 07Z,  -0.60,   5.83,  99.90,   5.02,  -0.22,
02/16 08Z,  -0.60,   7.67,  99.90,   6.83,  -0.24,
02/16 09Z,  -0.70,   8.72,  99.90,   7.76,  -0.26,
02/16 10Z,  -0.70,   8.80,  99.90,   7.82,  -0.28,  (max)
02/16 11Z,  -0.80,   7.98,  99.90,   6.88,  -0.30,
02/16 12Z,  -0.80,   6.56,  99.90,   5.44,  -0.32,
02/16 13Z,  -0.90,   5.02,  99.90,   3.77,  -0.34,
02/16 14Z,  -0.90,   3.82,  99.90,   2.56,  -0.36,
02/16 15Z,  -1.00,   3.37,  99.90,   1.98,  -0.38,  (min)
02/16 16Z,  -1.00,   3.83,  99.90,   2.42,  -0.40,
02/16 17Z,  -1.10,   5.12,  99.90,   3.62,  -0.40,
02/16 18Z,  -1.10,   6.92,  99.90,   5.42,  -0.40,
02/16 19Z,  -1.20,   8.74,  99.90,   7.14,  -0.40,
02/16 20Z,  -1.20,  10.07,  99.90,   8.46,  -0.40,
02/16 21Z,  -1.30,  10.48,  99.90,   8.77,  -0.40,  (max)
02/16 22Z,  -1.30,   9.77,  99.90,   8.06,  -0.40,
02/16 23Z,  -1.40,   8.01,  99.90,   6.21,  -0.40,
02/17 00Z,  -1.40,   5.56,  99.90,   3.75,  -0.40,
02/17 01Z,  -1.50,   2.93,  99.90,   1.02,  -0.40,
02/17 02Z,  -1.40,   0.71,  99.90,  -1.09,  -0.40,
02/17 03Z,  -1.40,  -0.60,  99.90,  -2.40,  -0.40,
02/17 04Z,  -1.30,  -0.70,  99.90,  -2.40,  -0.40,  (min)
02/17 05Z,  -1.30,   0.42,  99.90,  -1.29,  -0.40,
02/17 06Z,  -1.30,   2.45,  99.90,   0.75,  -0.40,
02/17 07Z,  -1.20,   4.92,  99.90,   3.32,  -0.40,
02/17 08Z,  -1.00,   7.23,  99.90,   5.83,  -0.40,
02/17 09Z,  -0.90,   8.85,  99.90,   7.54,  -0.40,
02/17 10Z,  -0.80,   9.43,  99.90,   8.22,  -0.40,  (max)
02/17 11Z,  -0.70,   8.90,  99.90,   7.79,  -0.40,
02/17 12Z,  -0.70,   7.48,  99.90,   6.37,  -0.40,
02/17 13Z,  -0.70,   5.62,  99.90,   4.52,  -0.40,
02/17 14Z,  -0.70,   3.89,  99.90,   2.78,  -0.40,
02/17 15Z,  -0.70,   2.79,  99.90,   1.68,  -0.40,
02/17 16Z,  -0.80,   2.66,  99.90,   1.46,  -0.40,  (min)
02/17 17Z,  -0.80,   3.58,  99.90,   2.38,  -0.40,
02/17 18Z,  -0.80,   5.33,  99.90,   4.13,  -0.40,
02/17 19Z,  -0.80,   7.45,  99.90,   6.24,  -0.40,
02/17 20Z,  -0.70,   9.35,  99.90,   8.25,  -0.40,
02/17 21Z,  -0.60,  10.50,  99.90,   9.50,  -0.40,
02/17 22Z,  -0.50,  10.52,  99.90,   9.62,  -0.40,  (max)
02/17 23Z,  -0.50,   9.33,  99.90,   8.42,  -0.40,
02/18 00Z,  -0.50,   7.13,  99.90,   6.22,  -0.40,
02/18 01Z,  -0.50,   4.41,  99.90,   3.50,  -0.40,
02/18 02Z,  -0.50,   1.78,  99.90,   0.87,  -0.40,
02/18 03Z,  -0.60,  -0.14,  99.90,  -1.15,  -0.40,
02/18 04Z,  -0.70,  -0.91,  99.90,  -2.01,  -0.40,  (min)
02/18 05Z,  -0.70,  -0.34,  99.90,  -1.45,  -0.40,
02/18 06Z,  -0.80,   1.40,  99.90,   0.19,  -0.40,
02/18 07Z,  -0.80,   3.89,  99.90,   2.68,  -0.40,
02/18 08Z,  -0.90,   6.52,  99.90,   5.21,  -0.40,
02/18 09Z,  -0.90,   8.66,  99.90,   7.35,  -0.40,
02/18 10Z,  -0.90,   9.82,  99.90,   8.51,  -0.40,  (max)
02/18 11Z,  -0.90,   9.76,  99.90,   8.45,  -0.40,
02/18 12Z,  -0.90,   8.56,  99.90,   7.26,  -0.40,
02/18 13Z,  -0.80,   6.60,  99.90,   5.40,  -0.40,
02/18 14Z,  -0.80,   4.45,  99.90,   3.25,  -0.40,
02/18 15Z,  -0.70,   2.71,  99.90,   1.61,  -0.40,
02/18 16Z,  -0.70,   1.88,  99.90,   0.77,  -0.40,  (min)
02/18 17Z,  -0.70,   2.19,  99.90,   1.09,  -0.40,
02/18 18Z,  -0.70,   3.59,  99.90,   2.48,  -0.40,
02/18 19Z,  -0.70,   5.71,  99.90,   4.60,  -0.40,
02/18 20Z,  -0.70,   7.98,  99.90,   6.87,  -0.40,
02/18 21Z,  -0.70,   9.78,  99.90,   8.68,  -0.40,
02/18 22Z,  -0.60,  10.60,  99.90,   9.60,  -0.40,  (max)
02/18 23Z,  -0.50,  10.17,  99.90,   9.27,  -0.40,
02/19 00Z,  -0.50,   8.54,  99.90,   7.63,  -0.40,
02/19 01Z,  -0.50,   6.05,  99.90,   5.14,  -0.40,
02/19 02Z,  -0.50,   3.29,  99.90,   2.38,  -0.40,
02/19 03Z,  -0.50,   0.92,  99.90,   0.01,  -0.40,
02/19 04Z,  -0.60,  -0.49,  99.90,  -1.49,  -0.40,
02/19 05Z,  -0.60,  -0.59,  99.90,  -1.59,  -0.40,  (min)
02/19 06Z,  -0.60,   0.64,  99.90,  -0.36,  -0.40,
02/19 07Z,  -0.60,   2.89,  99.90,   1.89,  -0.40,
02/19 08Z,  -0.60,   5.61,  99.90,   4.61,  -0.40,
02/19 09Z,  -0.50,   8.14,  99.90,   7.23,  -0.40,
02/19 10Z,  -0.40,   9.86,  99.90,   9.06,  -0.40,
02/19 11Z,  -0.30,  10.39,  99.90,   9.69,  -0.40,  (max)
02/19 12Z,  -0.30,   9.64,  99.90,   8.93,  -0.40,
02/19 13Z,  -0.20,   7.84,  99.90,   7.23,  -0.40,
02/19 14Z,  -0.10,   5.50,  99.90,   4.99,  -0.40,
02/19 15Z,  -0.10,   3.24,  99.90,   2.74,  -0.40,
02/19 16Z,  -0.10,   1.68,  99.90,   1.18,  -0.40,
02/19 17Z,  -0.20,   1.23,  99.90,   0.62,  -0.40,  (min)
02/19 18Z,  -0.20,   1.99,  99.90,   1.39,  -0.40,
02/19 19Z,  99.90,   3.78,  99.90,  99.90,  -0.40,
02/19 20Z,  99.90,   6.10,  99.90,  99.90,  -0.40,
02/19 21Z,  99.90,   8.34,  99.90,  99.90,  -0.40,
02/19 22Z,  99.90,   9.89,  99.90,  99.90,  -0.40,
02/19 23Z,  99.90,  10.32,  99.90,  99.90,  -0.40,
02/20 00Z,  99.90,   9.48,  99.90,  99.90,  -0.40,