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
#Sand Point, AK : 12/15/2025 10:20:55 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
12/13 18Z,  -1.10,   6.99,  99.90,   5.89,   0.00,
12/13 19Z,  -1.10,   7.01,  99.90,   5.91,   0.00,  (max)
12/13 20Z,  -1.10,   6.49,  99.90,   5.39,   0.00,
12/13 21Z,  -1.10,   5.56,  99.90,   4.46,   0.00,
12/13 22Z,  -1.00,   4.48,  99.90,   3.48,   0.00,
12/13 23Z,  -1.00,   3.45,  99.90,   2.45,   0.00,
12/14 00Z,  -0.80,   2.62,  99.90,   1.82,   0.00,
12/14 01Z,  -0.80,   2.15,  99.90,   1.35,   0.00,  (min)
12/14 02Z,  -0.70,   2.16,  99.90,   1.46,   0.00,
12/14 03Z,  -0.70,   2.61,  99.90,   1.91,   0.00,
12/14 04Z,  -0.80,   3.28,  99.90,   2.48,   0.00,
12/14 05Z,  -0.90,   3.97,  99.90,   3.07,   0.00,
12/14 06Z,  -0.50,   4.55,  99.90,   4.05,   0.00,
12/14 07Z,  -0.40,   4.89,  99.90,   4.49,   0.00,
12/14 08Z,  -0.30,   4.86,  99.90,   4.56,   0.00,  (max)
12/14 09Z,  -0.40,   4.48,  99.90,   4.08,   0.00,
12/14 10Z,  -0.40,   3.94,  99.90,   3.54,   0.00,
12/14 11Z,  -0.50,   3.44,  99.90,   2.94,   0.00,
12/14 12Z,  -0.30,   3.12,  99.90,   2.82,   0.00,
12/14 13Z,  -0.30,   3.09,  99.90,   2.79,   0.00,  (min)
12/14 14Z,  -0.30,   3.46,  99.90,   3.16,   0.00,
12/14 15Z,  -0.30,   4.24,  99.90,   3.94,   0.00,
12/14 16Z,  -0.40,   5.22,  99.90,   4.82,   0.00,
12/14 17Z,  -0.50,   6.16,  99.90,   5.66,   0.00,
12/14 18Z,  -0.30,   6.87,  99.90,   6.57,   0.00,
12/14 19Z,  -0.30,   7.22,  99.90,   6.92,   0.00,  (max)
12/14 20Z,  -0.30,   7.06,  99.90,   6.76,   0.00,
12/14 21Z,  -0.30,   6.34,  99.90,   6.04,   0.00,
12/14 22Z,  -0.30,   5.22,  99.90,   4.92,   0.00,
12/14 23Z,  -0.20,   3.97,  99.90,   3.77,   0.00,
12/15 00Z,   0.00,   2.81,  99.90,   2.81,   0.00,
12/15 01Z,   0.00,   1.89,  99.90,   1.89,   0.00,
12/15 02Z,   0.00,   1.41,  99.90,   1.41,   0.00,  (min)
12/15 03Z,   0.00,   1.49,  99.90,   1.49,   0.00,
12/15 04Z,   0.00,   2.05,  99.90,   2.05,   0.00,
12/15 05Z,   0.00,   2.86,  99.90,   2.86,   0.00,
12/15 06Z,   0.00,   3.72,  99.90,   3.72,   0.00,
12/15 07Z,   0.00,   4.47,  99.90,   4.47,   0.00,
12/15 08Z,   0.00,   4.97,  99.90,   4.97,   0.00,
12/15 09Z,   0.00,   5.06,  99.90,   5.06,   0.00,  (max)
12/15 10Z,   0.10,   4.77,  99.90,   4.87,   0.00,
12/15 11Z,   0.20,   4.31,  99.90,   4.51,   0.00,
12/15 12Z,   0.40,   3.87,  99.90,   4.27,   0.00,
12/15 13Z,   0.30,   3.60,  99.90,   3.90,   0.00,
12/15 14Z,   0.20,   3.61,  99.90,   3.81,   0.00,  (min)
12/15 15Z,   0.30,   4.02,  99.90,   4.32,   0.00,
12/15 16Z,   0.30,   4.82,  99.90,   5.12,   0.00,
12/15 17Z,   0.40,   5.77,  99.90,   6.17,   0.00,
12/15 18Z,   0.50,   6.63,  99.90,   7.13,   0.00,
12/15 19Z,   0.50,   7.22,  99.90,   7.72,   0.00,
12/15 20Z,   0.50,   7.39,  99.90,   7.89,   0.00,  (max)
12/15 21Z,   0.50,   6.99,  99.90,   7.49,   0.00,
12/15 22Z,   0.50,   6.03,  99.90,   6.53,   0.00,
12/15 23Z,   0.60,   4.70,  99.90,   5.30,   0.00,
12/16 00Z,   0.50,   3.29,  99.90,   3.79,   0.00,
12/16 01Z,   0.50,   2.04,  99.90,   2.54,   0.00,
12/16 02Z,   0.50,   1.12,  99.90,   1.62,   0.00,
12/16 03Z,   0.40,   0.74,  99.90,   1.14,   0.00,  (min)
12/16 04Z,   0.40,   0.99,  99.90,   1.39,   0.00,
12/16 05Z,   0.30,   1.74,  99.90,   2.04,   0.00,
12/16 06Z,   0.20,   2.75,  99.90,   2.95,   0.00,
12/16 07Z,   0.30,   3.78,  99.90,   4.08,   0.00,
12/16 08Z,   0.40,   4.67,  99.90,   5.07,   0.00,
12/16 09Z,   0.40,   5.23,  99.90,   5.63,   0.00,
12/16 10Z,   0.40,   5.33,  99.90,   5.73,   0.00,  (max)
12/16 11Z,   0.30,   5.03,  99.90,   5.33,   0.00,
12/16 12Z,   0.10,   4.57,  99.90,   4.67,   0.00,
12/16 13Z,   0.00,   4.15,  99.90,   4.15,   0.00,
12/16 14Z,   0.00,   3.91,  99.90,   3.91,   0.00,
12/16 15Z,  -0.10,   3.99,  99.90,   3.89,   0.00,  (min)
12/16 16Z,  -0.10,   4.49,  99.90,   4.39,   0.00,
12/16 17Z,  -0.10,   5.34,  99.90,   5.24,   0.00,
12/16 18Z,  -0.10,   6.29,  99.90,   6.19,   0.00,
12/16 19Z,  -0.20,   7.06,  99.90,   6.86,   0.00,
12/16 20Z,  -0.10,   7.50,  99.90,   7.40,   0.00,  (max)
12/16 21Z,  -0.20,   7.45,  99.90,   7.25,   0.00,
12/16 22Z,  -0.40,   6.78,  99.90,   6.38,   0.00,
12/16 23Z,  -0.60,   5.55,  99.90,   4.95,   0.00,
12/17 00Z,  -0.80,   4.01,  99.90,   3.21,   0.00,
12/17 01Z,  -0.90,   2.49,  99.90,   1.59,   0.00,
12/17 02Z,  -1.10,   1.23,  99.90,   0.13,   0.00,
12/17 03Z,  -1.20,   0.41,  99.90,  -0.79,   0.00,
12/17 04Z,  -1.40,   0.24,  99.90,  -1.16,   0.00,  (min)
12/17 05Z,  -1.40,   0.74,  99.90,  -0.66,   0.00,
12/17 06Z,  -1.20,   1.74,  99.90,   0.54,   0.00,
12/17 07Z,  -1.10,   2.94,  99.90,   1.84,   0.00,
12/17 08Z,  -0.90,   4.10,  99.90,   3.20,   0.00,
12/17 09Z,  -0.80,   5.04,  99.90,   4.24,   0.00,
12/17 10Z,  -0.80,   5.55,  99.90,   4.75,   0.00,
12/17 11Z,  -0.80,   5.56,  99.90,   4.76,   0.00,  (max)
12/17 12Z,  -0.90,   5.19,  99.90,   4.29,   0.00,
12/17 13Z,  -1.00,   4.68,  99.90,   3.68,   0.00,
12/17 14Z,  -1.10,   4.27,  99.90,   3.17,   0.00,
12/17 15Z,  -1.10,   4.09,  99.90,   2.99,   0.00,  (min)
12/17 16Z,  -1.10,   4.28,  99.90,   3.18,   0.00,
12/17 17Z,  -1.00,   4.90,  99.90,   3.90,   0.00,
12/17 18Z,  -0.90,   5.83,  99.90,   4.93,   0.00,
12/17 19Z,  -0.80,   6.77,  99.90,   5.97,   0.00,
12/17 20Z,  -0.80,   7.44,  99.90,   6.64,   0.00,
12/17 21Z,  -0.70,   7.69,  99.90,   6.99,   0.00,  (max)
12/17 22Z,  -0.60,   7.37,  99.90,   6.77,   0.00,
12/17 23Z,  -0.70,   6.41,  99.90,   5.71,   0.00,
12/18 00Z,  -0.70,   4.92,  99.90,   4.22,   0.00,
12/18 01Z,  -0.80,   3.22,  99.90,   2.42,   0.00,
12/18 02Z,  -0.90,   1.66,  99.90,   0.76,   0.00,
12/18 03Z,  -0.90,   0.48,  99.90,  -0.42,   0.00,
12/18 04Z,  -0.90,  -0.13,  99.90,  -1.03,   0.00,  (min)
12/18 05Z,  -0.90,  -0.02,  99.90,  -0.92,   0.00,
12/18 06Z,  -0.90,   0.78,  99.90,  -0.12,   0.00,
12/18 07Z,  -0.90,   2.02,  99.90,   1.12,   0.00,
12/18 08Z,  -0.80,   3.37,  99.90,   2.57,   0.00,
12/18 09Z,  -0.80,   4.58,  99.90,   3.78,   0.00,
12/18 10Z,  -0.80,   5.46,  99.90,   4.66,   0.00,
12/18 11Z,  -0.70,   5.84,  99.90,   5.14,   0.00,  (max)
12/18 12Z,  -0.70,   5.69,  99.90,   4.99,   0.00,
12/18 13Z,  -0.70,   5.19,  99.90,   4.49,   0.00,
12/18 14Z,  -0.80,   4.65,  99.90,   3.85,   0.00,
12/18 15Z,  -0.80,   4.27,  99.90,   3.47,   0.00,
12/18 16Z,  -0.90,   4.19,  99.90,   3.29,   0.00,  (min)
12/18 17Z,  -0.90,   4.53,  99.90,   3.63,   0.00,
12/18 18Z,  -0.90,   5.30,  99.90,   4.40,   0.00,
12/18 19Z,  -0.90,   6.31,  99.90,   5.41,   0.00,
12/18 20Z,  -0.90,   7.21,  99.90,   6.31,   0.00,
12/18 21Z,  -0.90,   7.74,  99.90,   6.84,   0.00,
12/18 22Z,  -0.80,   7.76,  99.90,   6.96,   0.00,  (max)
12/18 23Z,  -0.80,   7.14,  99.90,   6.34,   0.00,
12/19 00Z,  -0.80,   5.88,  99.90,   5.08,   0.00,
12/19 01Z,  99.90,   4.17,  99.90,  99.90,   0.00,
12/19 02Z,  99.90,   2.38,  99.90,  99.90,   0.00,
12/19 03Z,  99.90,   0.88,  99.90,  99.90,   0.00,
12/19 04Z,  99.90,  -0.13,  99.90,  99.90,   0.00,
12/19 05Z,  99.90,  -0.45,  99.90,  99.90,   0.00,
12/19 06Z,  99.90,  -0.01,  99.90,  99.90,   0.00,