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 : 05/18/2025 00:21:25 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/16 06Z,   0.00,   3.44,   4.36,  99.90,   0.92,
05/16 07Z,   0.00,   3.52,   4.33,  99.90,   0.81,  (min)
05/16 08Z,   0.10,   3.98,   4.78,  99.90,   0.70,
05/16 09Z,   0.10,   4.76,   5.54,  99.90,   0.68,
05/16 10Z,   0.10,   5.71,   6.64,  99.90,   0.83,
05/16 11Z,   0.00,   6.57,   7.38,  99.90,   0.81,
05/16 12Z,   0.00,   7.02,   7.80,  99.90,   0.78,  (max)
05/16 13Z,   0.00,   6.85,   7.68,  99.90,   0.83,
05/16 14Z,  -0.10,   6.09,   6.89,  99.90,   0.90,
05/16 15Z,  -0.10,   4.82,   5.70,  99.90,   0.98,
05/16 16Z,  -0.10,   3.20,   3.89,  99.90,   0.79,
05/16 17Z,  -0.10,   1.52,   2.18,  99.90,   0.76,
05/16 18Z,  -0.10,   0.14,   0.86,  99.90,   0.82,
05/16 19Z,   0.00,  -0.65,   0.04,  99.90,   0.69,
05/16 20Z,  -0.10,  -0.78,  -0.12,  99.90,   0.76,  (min)
05/16 21Z,  -0.10,  -0.30,   0.31,  99.90,   0.71,
05/16 22Z,  -0.20,   0.70,   1.34,  99.90,   0.84,
05/16 23Z,  -0.20,   2.02,   2.78,  99.90,   0.96,
05/17 00Z,  -0.10,   3.31,   4.05,  99.90,   0.84,
05/17 01Z,  -0.20,   4.28,   4.94,  99.90,   0.86,
05/17 02Z,  -0.20,   4.82,   5.48,  99.90,   0.86,
05/17 03Z,  -0.30,   4.94,   5.60,  99.90,   0.96,  (max)
05/17 04Z,  -0.30,   4.69,   5.27,  99.90,   0.88,
05/17 05Z,  -0.20,   4.21,   4.65,  99.90,   0.64,
05/17 06Z,  -0.10,   3.75,   4.25,  99.90,   0.60,
05/17 07Z,  -0.10,   3.58,   4.16,  99.90,   0.68,  (min)
05/17 08Z,  -0.20,   3.79,   4.39,  99.90,   0.80,
05/17 09Z,  -0.20,   4.32,   4.86,  99.90,   0.74,
05/17 10Z,  -0.20,   5.08,   5.70,  99.90,   0.82,
05/17 11Z,  -0.30,   5.93,   6.45,  99.90,   0.82,
05/17 12Z,  -0.20,   6.60,   7.12,  99.90,   0.72,
05/17 13Z,  -0.30,   6.81,   7.38,  99.90,   0.87,  (max)
05/17 14Z,  -0.30,   6.44,   7.06,  99.90,   0.92,
05/17 15Z,  -0.20,   5.55,   6.13,  99.90,   0.78,
05/17 16Z,  -0.30,   4.25,   4.81,  99.90,   0.86,
05/17 17Z,  -0.40,   2.71,   3.22,  99.90,   0.91,
05/17 18Z,  -0.30,   1.19,   1.85,  99.90,   0.96,
05/17 19Z,  -0.30,   0.04,   0.66,  99.90,   0.92,
05/17 20Z,  -0.20,  -0.52,   0.07,  99.90,   0.79,  (min)
05/17 21Z,  -0.30,  -0.48,   0.17,  99.90,   0.95,
05/17 22Z,  -0.40,   0.10,   0.80,  99.90,   1.10,
05/17 23Z,  -0.50,   1.12,   1.86,  99.90,   1.24,
05/18 00Z,  -0.50,   2.37,   3.12,  99.90,   1.25,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/18 01Z,  -0.40,   3.53,  99.90,   4.36,   1.23,
05/18 02Z,  -0.40,   4.36,  99.90,   5.17,   1.21,
05/18 03Z,  -0.40,   4.79,  99.90,   5.58,   1.19,
05/18 04Z,  -0.40,   4.86,  99.90,   5.63,   1.17,  (max)
05/18 05Z,  -0.40,   4.61,  99.90,   5.36,   1.16,
05/18 06Z,  -0.40,   4.17,  99.90,   4.91,   1.14,
05/18 07Z,  -0.40,   3.81,  99.90,   4.52,   1.12,  (min)
05/18 08Z,  -0.30,   3.73,  99.90,   4.53,   1.10,
05/18 09Z,  -0.30,   3.97,  99.90,   4.75,   1.08,
05/18 10Z,  -0.40,   4.47,  99.90,   5.13,   1.06,
05/18 11Z,  -0.40,   5.14,  99.90,   5.79,   1.05,
05/18 12Z,  -0.40,   5.86,  99.90,   6.49,   1.03,
05/18 13Z,  -0.40,   6.37,  99.90,   7.00,   1.03,
05/18 14Z,  -0.40,   6.43,  99.90,   7.06,   1.03,  (max)
05/18 15Z,  -0.40,   5.98,  99.90,   6.60,   1.03,
05/18 16Z,  -0.40,   5.08,  99.90,   5.71,   1.03,
05/18 17Z,  -0.40,   3.85,  99.90,   4.47,   1.03,
05/18 18Z,  -0.40,   2.43,  99.90,   3.05,   1.03,
05/18 19Z,  -0.40,   1.09,  99.90,   1.71,   1.03,
05/18 20Z,  -0.30,   0.13,  99.90,   0.86,   1.03,
05/18 21Z,  -0.30,  -0.27,  99.90,   0.46,   1.03,  (min)
05/18 22Z,  -0.30,  -0.13,  99.90,   0.59,   1.03,
05/18 23Z,  -0.30,   0.49,  99.90,   1.21,   1.03,
05/19 00Z,  -0.30,   1.50,  99.90,   2.22,   1.03,
05/19 01Z,  -0.40,   2.69,  99.90,   3.31,   1.03,
05/19 02Z,  -0.40,   3.76,  99.90,   4.38,   1.03,
05/19 03Z,  -0.50,   4.50,  99.90,   5.03,   1.03,
05/19 04Z,  -0.50,   4.88,  99.90,   5.41,   1.03,
05/19 05Z,  -0.50,   4.92,  99.90,   5.45,   1.03,  (max)
05/19 06Z,  -0.50,   4.66,  99.90,   5.18,   1.03,
05/19 07Z,  -0.40,   4.22,  99.90,   4.85,   1.03,
05/19 08Z,  -0.40,   3.85,  99.90,   4.48,   1.03,
05/19 09Z,  -0.40,   3.75,  99.90,   4.37,   1.03,  (min)
05/19 10Z,  -0.40,   3.92,  99.90,   4.55,   1.03,
05/19 11Z,  -0.50,   4.32,  99.90,   4.84,   1.03,
05/19 12Z,  -0.50,   4.89,  99.90,   5.41,   1.03,
05/19 13Z,  -0.50,   5.51,  99.90,   6.03,   1.03,
05/19 14Z,  -0.60,   5.94,  99.90,   6.36,   1.03,
05/19 15Z,  -0.60,   5.97,  99.90,   6.39,   1.03,  (max)
05/19 16Z,  -0.60,   5.54,  99.90,   5.97,   1.03,
05/19 17Z,  -0.60,   4.74,  99.90,   5.17,   1.03,
05/19 18Z,  -0.50,   3.64,  99.90,   4.17,   1.03,
05/19 19Z,  -0.50,   2.36,  99.90,   2.89,   1.03,
05/19 20Z,  -0.40,   1.18,  99.90,   1.80,   1.03,
05/19 21Z,  -0.30,   0.36,  99.90,   1.09,   1.03,
05/19 22Z,  -0.30,   0.05,  99.90,   0.78,   1.03,  (min)
05/19 23Z,  -0.30,   0.23,  99.90,   0.96,   1.03,
05/20 00Z,  -0.40,   0.87,  99.90,   1.49,   1.03,
05/20 01Z,  -0.40,   1.88,  99.90,   2.51,   1.03,
05/20 02Z,  -0.50,   3.05,  99.90,   3.58,   1.03,
05/20 03Z,  -0.60,   4.08,  99.90,   4.51,   1.03,
05/20 04Z,  -0.60,   4.80,  99.90,   5.22,   1.03,
05/20 05Z,  -0.60,   5.15,  99.90,   5.58,   1.03,
05/20 06Z,  -0.50,   5.15,  99.90,   5.67,   1.03,  (max)
05/20 07Z,  -0.40,   4.80,  99.90,   5.43,   1.03,
05/20 08Z,  -0.30,   4.26,  99.90,   4.99,   1.03,
05/20 09Z,  -0.30,   3.77,  99.90,   4.50,   1.03,
05/20 10Z,  -0.30,   3.52,  99.90,   4.25,   1.03,  (min)
05/20 11Z,  -0.30,   3.54,  99.90,   4.27,   1.03,
05/20 12Z,  -0.30,   3.81,  99.90,   4.53,   1.03,
05/20 13Z,  -0.40,   4.30,  99.90,   4.92,   1.03,
05/20 14Z,  -0.50,   4.90,  99.90,   5.42,   1.03,
05/20 15Z,  -0.50,   5.36,  99.90,   5.89,   1.03,
05/20 16Z,  -0.50,   5.48,  99.90,   6.01,   1.03,  (max)
05/20 17Z,  -0.50,   5.21,  99.90,   5.74,   1.03,
05/20 18Z,  -0.40,   4.58,  99.90,   5.21,   1.03,
05/20 19Z,  -0.40,   3.63,  99.90,   4.26,   1.03,
05/20 20Z,  -0.20,   2.49,  99.90,   3.32,   1.03,
05/20 21Z,  -0.20,   1.42,  99.90,   2.24,   1.03,
05/20 22Z,  -0.20,   0.68,  99.90,   1.51,   1.03,
05/20 23Z,  -0.30,   0.41,  99.90,   1.14,   1.03,  (min)
05/21 00Z,  -0.40,   0.62,  99.90,   1.24,   1.03,
05/21 01Z,  -0.40,   1.28,  99.90,   1.91,   1.03,
05/21 02Z,  -0.40,   2.34,  99.90,   2.96,   1.03,
05/21 03Z,  -0.50,   3.54,  99.90,   4.06,   1.03,
05/21 04Z,  -0.50,   4.58,  99.90,   5.11,   1.03,
05/21 05Z,  -0.50,   5.29,  99.90,   5.82,   1.03,
05/21 06Z,  -0.40,   5.60,  99.90,   6.23,   1.03,  (max)
05/21 07Z,  -0.40,   5.48,  99.90,   6.11,   1.03,
05/21 08Z,  -0.30,   4.95,  99.90,   5.68,   1.03,
05/21 09Z,  -0.40,   4.19,  99.90,   4.81,   1.03,
05/21 10Z,  -0.40,   3.46,  99.90,   4.09,   1.03,
05/21 11Z,  -0.40,   2.98,  99.90,   3.61,   1.03,
05/21 12Z,  -0.50,   2.80,  99.90,   3.33,   1.03,  (min)
05/21 13Z,  -0.60,   2.95,  99.90,   3.38,   1.03,
05/21 14Z,  -0.60,   3.44,  99.90,   3.87,   1.03,
05/21 15Z,  -0.60,   4.13,  99.90,   4.56,   1.03,
05/21 16Z,  -0.60,   4.75,  99.90,   5.17,   1.03,
05/21 17Z,  -0.50,   5.07,  99.90,   5.60,   1.03,  (max)
05/21 18Z,  -0.50,   5.03,  99.90,   5.56,   1.03,