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
#Newport, RI : 01/18/2026 02:22:38 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
01/16 06Z,   0.50,  -4.68,  -3.70,  99.90,   0.48,
01/16 07Z,   0.50,  -4.16,  -3.31,  99.90,   0.35,
01/16 08Z,   0.40,  -3.52,  -2.66,  99.90,   0.46,
01/16 09Z,   0.40,  -2.87,  -2.24,  99.90,   0.23,
01/16 10Z,   0.30,  -2.36,  -2.00,  99.90,   0.06,
01/16 11Z,   0.20,  -2.14,  -1.94,  99.90,   0.00,  (max)
01/16 12Z,   0.00,  -2.34,  -2.21,  99.90,   0.13,
01/16 13Z,   0.00,  -2.95,  -2.89,  99.90,   0.06,
01/16 14Z,   0.00,  -3.79,  -3.73,  99.90,   0.06,
01/16 15Z,   0.00,  -4.57,  -4.61,  99.90,  -0.04,
01/16 16Z,  -0.10,  -5.05,  -5.36,  99.90,  -0.21,
01/16 17Z,  -0.20,  -5.20,  -5.49,  99.90,  -0.09,
01/16 18Z,  -0.10,  -5.08,  -5.58,  99.90,  -0.40,  (min)
01/16 19Z,  -0.10,  -4.74,  -5.27,  99.90,  -0.43,
01/16 20Z,  -0.20,  -4.20,  -4.66,  99.90,  -0.26,
01/16 21Z,  -0.20,  -3.54,  -4.12,  99.90,  -0.38,
01/16 22Z,  -0.20,  -2.97,  -3.62,  99.90,  -0.45,
01/16 23Z,  -0.20,  -2.66,  -3.22,  99.90,  -0.36,
01/17 00Z,  -0.20,  -2.76,  -3.15,  99.90,  -0.19,  (max)
01/17 01Z,  -0.20,  -3.29,  -3.67,  99.90,  -0.18,
01/17 02Z,  -0.20,  -4.09,  -4.31,  99.90,  -0.02,
01/17 03Z,  -0.20,  -4.84,  -5.08,  99.90,  -0.04,
01/17 04Z,  -0.10,  -5.28,  -5.61,  99.90,  -0.23,  (min)
01/17 05Z,  -0.10,  -5.33,  -5.60,  99.90,  -0.17,
01/17 06Z,  -0.20,  -5.08,  -5.21,  99.90,   0.07,
01/17 07Z,  -0.20,  -4.64,  -4.68,  99.90,   0.16,
01/17 08Z,  -0.20,  -4.03,  -3.98,  99.90,   0.25,
01/17 09Z,  -0.20,  -3.29,  -3.29,  99.90,   0.20,
01/17 10Z,  -0.10,  -2.59,  -2.63,  99.90,   0.06,
01/17 11Z,  -0.10,  -2.11,  -2.31,  99.90,  -0.10,
01/17 12Z,  -0.10,  -2.02,  -2.27,  99.90,  -0.15,  (max)
01/17 13Z,  -0.10,  -2.40,  -2.43,  99.90,   0.07,
01/17 14Z,  -0.10,  -3.18,  -3.03,  99.90,   0.25,
01/17 15Z,   0.00,  -4.11,  -4.06,  99.90,   0.05,
01/17 16Z,   0.00,  -4.86,  -4.88,  99.90,  -0.02,
01/17 17Z,   0.00,  -5.27,  -5.40,  99.90,  -0.13,
01/17 18Z,   0.00,  -5.34,  -5.51,  99.90,  -0.17,  (min)
01/17 19Z,   0.10,  -5.14,  -5.28,  99.90,  -0.24,
01/17 20Z,   0.10,  -4.69,  -4.67,  99.90,  -0.08,
01/17 21Z,   0.10,  -4.01,  -4.00,  99.90,  -0.09,
01/17 22Z,   0.10,  -3.26,  -3.26,  99.90,  -0.10,
01/17 23Z,   0.00,  -2.68,  -2.64,  99.90,   0.04,
01/18 00Z,   0.00,  -2.48,  -2.61,  99.90,  -0.13,  (max)
01/18 01Z,   0.00,  -2.75,  -3.05,  99.90,  -0.30,
01/18 02Z,  -0.10,  -3.45,  -3.70,  99.90,  -0.15,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
01/18 03Z,  -0.10,  -4.33,  99.90,  -4.56,  -0.13,
01/18 04Z,   0.00,  -5.06,  99.90,  -5.17,  -0.11,
01/18 05Z,   0.00,  -5.42,  99.90,  -5.51,  -0.09,  (min)
01/18 06Z,   0.00,  -5.38,  99.90,  -5.45,  -0.07,
01/18 07Z,   0.10,  -5.06,  99.90,  -5.01,  -0.05,
01/18 08Z,   0.10,  -4.54,  99.90,  -4.47,  -0.03,
01/18 09Z,   0.10,  -3.82,  99.90,  -3.73,  -0.01,
01/18 10Z,   0.10,  -3.00,  99.90,  -2.89,   0.01,
01/18 11Z,   0.20,  -2.28,  99.90,  -2.05,   0.03,
01/18 12Z,   0.20,  -1.90,  99.90,  -1.65,   0.05,  (max)
01/18 13Z,   0.20,  -2.00,  99.90,  -1.73,   0.07,
01/18 14Z,   0.20,  -2.59,  99.90,  -2.30,   0.09,
01/18 15Z,   0.20,  -3.51,  99.90,  -3.22,   0.09,
01/18 16Z,   0.10,  -4.46,  99.90,  -4.27,   0.09,
01/18 17Z,   0.10,  -5.15,  99.90,  -4.96,   0.09,
01/18 18Z,   0.10,  -5.46,  99.90,  -5.27,   0.09,  (min)
01/18 19Z,   0.20,  -5.43,  99.90,  -5.14,   0.09,
01/18 20Z,   0.30,  -5.12,  99.90,  -4.73,   0.09,
01/18 21Z,   0.30,  -4.54,  99.90,  -4.15,   0.09,
01/18 22Z,   0.40,  -3.74,  99.90,  -3.25,   0.09,
01/18 23Z,   0.40,  -2.94,  99.90,  -2.45,   0.09,
01/19 00Z,   0.40,  -2.42,  99.90,  -1.93,   0.09,
01/19 01Z,   0.50,  -2.38,  99.90,  -1.79,   0.09,  (max)
01/19 02Z,   0.60,  -2.85,  99.90,  -2.16,   0.09,
01/19 03Z,   0.60,  -3.69,  99.90,  -3.00,   0.09,
01/19 04Z,   0.80,  -4.60,  99.90,  -3.71,   0.09,
01/19 05Z,   0.80,  -5.27,  99.90,  -4.38,   0.09,
01/19 06Z,   0.80,  -5.52,  99.90,  -4.63,   0.09,  (min)
01/19 07Z,   0.90,  -5.38,  99.90,  -4.39,   0.09,
01/19 08Z,   0.90,  -4.98,  99.90,  -3.99,   0.09,
01/19 09Z,   0.90,  -4.36,  99.90,  -3.37,   0.09,
01/19 10Z,   0.90,  -3.55,  99.90,  -2.56,   0.09,
01/19 11Z,   0.90,  -2.68,  99.90,  -1.69,   0.09,
01/19 12Z,   0.90,  -2.02,  99.90,  -1.03,   0.09,
01/19 13Z,   0.90,  -1.80,  99.90,  -0.81,   0.09,  (max)
01/19 14Z,   0.70,  -2.11,  99.90,  -1.32,   0.09,
01/19 15Z,   0.50,  -2.89,  99.90,  -2.30,   0.09,
01/19 16Z,   0.50,  -3.90,  99.90,  -3.31,   0.09,
01/19 17Z,   0.50,  -4.82,  99.90,  -4.23,   0.09,
01/19 18Z,   0.50,  -5.40,  99.90,  -4.81,   0.09,
01/19 19Z,   0.50,  -5.58,  99.90,  -4.99,   0.09,  (min)
01/19 20Z,   0.40,  -5.43,  99.90,  -4.94,   0.09,
01/19 21Z,   0.20,  -4.99,  99.90,  -4.70,   0.09,
01/19 22Z,   0.00,  -4.28,  99.90,  -4.19,   0.09,
01/19 23Z,   0.00,  -3.40,  99.90,  -3.31,   0.09,
01/20 00Z,  -0.10,  -2.62,  99.90,  -2.63,   0.09,
01/20 01Z,  -0.20,  -2.23,  99.90,  -2.34,   0.09,  (max)
01/20 02Z,  -0.20,  -2.38,  99.90,  -2.49,   0.09,
01/20 03Z,  -0.30,  -3.03,  99.90,  -3.24,   0.09,
01/20 04Z,  -0.40,  -3.97,  99.90,  -4.28,   0.09,
01/20 05Z,  -0.60,  -4.87,  99.90,  -5.38,   0.09,
01/20 06Z,  -0.70,  -5.44,  99.90,  -6.05,   0.09,
01/20 07Z,  -0.70,  -5.56,  99.90,  -6.17,   0.09,  (min)
01/20 08Z,  -0.70,  -5.33,  99.90,  -5.94,   0.09,
01/20 09Z,  -0.70,  -4.84,  99.90,  -5.45,   0.09,
01/20 10Z,  -0.70,  -4.13,  99.90,  -4.74,   0.09,
01/20 11Z,  -0.70,  -3.25,  99.90,  -3.87,   0.09,
01/20 12Z,  -0.60,  -2.40,  99.90,  -2.91,   0.09,
01/20 13Z,  -0.50,  -1.86,  99.90,  -2.27,   0.09,
01/20 14Z,  -0.50,  -1.83,  99.90,  -2.24,   0.09,  (max)
01/20 15Z,  -0.40,  -2.35,  99.90,  -2.66,   0.09,
01/20 16Z,  -0.50,  -3.27,  99.90,  -3.68,   0.09,
01/20 17Z,  -0.50,  -4.31,  99.90,  -4.72,   0.09,
01/20 18Z,  -0.50,  -5.15,  99.90,  -5.56,   0.09,
01/20 19Z,  -0.50,  -5.58,  99.90,  -6.00,   0.09,
01/20 20Z,  -0.50,  -5.61,  99.90,  -6.02,   0.09,  (min)
01/20 21Z,  -0.60,  -5.31,  99.90,  -5.82,   0.09,
01/20 22Z,  -0.70,  -4.75,  99.90,  -5.36,   0.09,
01/20 23Z,  -0.90,  -3.94,  99.90,  -4.75,   0.09,
01/21 00Z,  -1.00,  -3.04,  99.90,  -3.95,   0.09,
01/21 01Z,  -1.00,  -2.34,  99.90,  -3.25,   0.09,
01/21 02Z,  -1.00,  -2.12,  99.90,  -3.03,   0.09,  (max)
01/21 03Z,  -0.90,  -2.46,  99.90,  -3.27,   0.09,
01/21 04Z,  -0.90,  -3.27,  99.90,  -4.08,   0.09,
01/21 05Z,  -0.80,  -4.27,  99.90,  -4.98,   0.09,
01/21 06Z,  -0.80,  -5.11,  99.90,  -5.82,   0.09,
01/21 07Z,  -0.80,  -5.55,  99.90,  -6.26,   0.09,  (min)
01/21 08Z,  -0.70,  -5.54,  99.90,  -6.15,   0.09,
01/21 09Z,  -0.60,  -5.20,  99.90,  -5.71,   0.09,
01/21 10Z,  -0.40,  -4.64,  99.90,  -4.95,   0.09,
01/21 11Z,  -0.30,  -3.89,  99.90,  -4.10,   0.09,
01/21 12Z,  -0.20,  -3.01,  99.90,  -3.12,   0.09,
01/21 13Z,  -0.20,  -2.22,  99.90,  -2.33,   0.09,
01/21 14Z,  -0.10,  -1.82,  99.90,  -1.83,   0.09,  (max)
01/21 15Z,  -0.10,  -1.98,  99.90,  -1.99,   0.09,
01/21 16Z,   0.00,  -2.67,  99.90,  -2.58,   0.09,
01/21 17Z,   0.00,  -3.69,  99.90,  -3.60,   0.09,
01/21 18Z,   0.00,  -4.71,  99.90,  -4.62,   0.09,