EXTRA-TROPICAL  STORM  SURGE
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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
#Seattle, WA : 07/17/2025 11:23:01 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/15 12Z,   0.20,  -5.07,  -5.08,  99.90,  -0.21,
07/15 13Z,   0.20,  -3.95,  -3.89,  99.90,  -0.14,
07/15 14Z,   0.20,  -2.97,  -2.78,  99.90,  -0.01,
07/15 15Z,   0.20,  -2.49,  -2.11,  99.90,   0.18,  (max)
07/15 16Z,   0.20,  -2.78,  -2.41,  99.90,   0.17,
07/15 17Z,   0.20,  -3.91,  -3.63,  99.90,   0.08,
07/15 18Z,   0.20,  -5.67,  -5.42,  99.90,   0.05,
07/15 19Z,   0.20,  -7.74,  -7.73,  99.90,  -0.19,
07/15 20Z,   0.20,  -9.71,  -9.81,  99.90,  -0.30,
07/15 21Z,   0.20, -11.05, -11.06,  99.90,  -0.21,  (min)
07/15 22Z,   0.20, -11.28, -11.00,  99.90,   0.08,
07/15 23Z,   0.20, -10.19,  -9.74,  99.90,   0.25,
07/16 00Z,   0.30,  -8.06,  -7.60,  99.90,   0.16,
07/16 01Z,   0.30,  -5.42,  -4.85,  99.90,   0.27,
07/16 02Z,   0.30,  -2.80,  -2.19,  99.90,   0.31,
07/16 03Z,   0.30,  -0.66,  -0.24,  99.90,   0.12,
07/16 04Z,   0.30,   0.60,   0.74,  99.90,  -0.16,  (max)
07/16 05Z,   0.30,   0.77,   0.73,  99.90,  -0.34,
07/16 06Z,   0.40,  -0.07,  -0.08,  99.90,  -0.41,
07/16 07Z,   0.40,  -1.67,  -1.49,  99.90,  -0.22,
07/16 08Z,   0.40,  -3.66,  -3.49,  99.90,  -0.23,
07/16 09Z,   0.40,  -5.62,  -5.48,  99.90,  -0.26,
07/16 10Z,   0.40,  -7.03,  -6.81,  99.90,  -0.18,
07/16 11Z,   0.40,  -7.50,  -7.23,  99.90,  -0.13,  (min)
07/16 12Z,   0.40,  -7.04,  -6.73,  99.90,  -0.09,
07/16 13Z,   0.40,  -5.97,  -5.71,  99.90,  -0.14,
07/16 14Z,   0.40,  -4.71,  -4.43,  99.90,  -0.12,
07/16 15Z,   0.40,  -3.62,  -3.17,  99.90,   0.05,
07/16 16Z,   0.40,  -3.02,  -2.50,  99.90,   0.12,  (max)
07/16 17Z,   0.40,  -3.18,  -2.69,  99.90,   0.09,
07/16 18Z,   0.40,  -4.09,  -3.64,  99.90,   0.05,
07/16 19Z,   0.40,  -5.54,  -5.11,  99.90,   0.03,
07/16 20Z,   0.50,  -7.20,  -6.90,  99.90,  -0.20,
07/16 21Z,   0.50,  -8.71,  -8.49,  99.90,  -0.28,
07/16 22Z,   0.50,  -9.60,  -9.34,  99.90,  -0.24,  (min)
07/16 23Z,   0.50,  -9.48,  -8.98,  99.90,  -0.00,
07/17 00Z,   0.50,  -8.24,  -7.68,  99.90,   0.06,
07/17 01Z,   0.50,  -6.20,  -5.54,  99.90,   0.16,
07/17 02Z,   0.50,  -3.83,  -3.09,  99.90,   0.24,
07/17 03Z,   0.60,  -1.61,  -0.84,  99.90,   0.17,
07/17 04Z,   0.60,   0.05,   0.65,  99.90,  -0.00,
07/17 05Z,   0.60,   0.80,   1.12,  99.90,  -0.28,  (max)
07/17 06Z,   0.60,   0.48,   0.58,  99.90,  -0.50,
07/17 07Z,   0.60,  -0.80,  -0.61,  99.90,  -0.41,
07/17 08Z,   0.60,  -2.75,  -2.49,  99.90,  -0.34,
07/17 09Z,   0.60,  -4.98,  -4.84,  99.90,  -0.46,
07/17 10Z,   0.60,  -7.05,  -6.91,  99.90,  -0.46,
07/17 11Z,   0.60,  -8.44,  -8.18,  99.90,  -0.34,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/17 12Z,   0.60,  -8.81,  99.90,  -8.53,  -0.32,  (min)
07/17 13Z,   0.60,  -8.22,  99.90,  -7.91,  -0.30,
07/17 14Z,   0.60,  -7.01,  99.90,  -6.68,  -0.27,
07/17 15Z,   0.60,  -5.59,  99.90,  -5.23,  -0.25,
07/17 16Z,   0.60,  -4.30,  99.90,  -3.92,  -0.22,
07/17 17Z,   0.60,  -3.49,  99.90,  -3.09,  -0.20,
07/17 18Z,   0.60,  -3.38,  99.90,  -2.95,  -0.17,  (max)
07/17 19Z,   0.60,  -3.94,  99.90,  -3.49,  -0.15,
07/17 20Z,   0.60,  -4.96,  99.90,  -4.48,  -0.12,
07/17 21Z,   0.60,  -6.15,  99.90,  -5.65,  -0.10,
07/17 22Z,   0.50,  -7.21,  99.90,  -6.79,  -0.07,
07/17 23Z,   0.50,  -7.76,  99.90,  -7.31,  -0.05,  (min)
07/18 00Z,   0.60,  -7.47,  99.90,  -6.92,  -0.05,
07/18 01Z,   0.60,  -6.30,  99.90,  -5.75,  -0.05,
07/18 02Z,   0.60,  -4.52,  99.90,  -3.97,  -0.05,
07/18 03Z,   0.60,  -2.56,  99.90,  -2.01,  -0.05,
07/18 04Z,   0.60,  -0.80,  99.90,  -0.25,  -0.05,
07/18 05Z,   0.60,   0.40,  99.90,   0.95,  -0.05,
07/18 06Z,   0.60,   0.69,  99.90,   1.24,  -0.05,  (max)
07/18 07Z,   0.60,  -0.06,  99.90,   0.50,  -0.05,
07/18 08Z,   0.60,  -1.68,  99.90,  -1.13,  -0.05,
07/18 09Z,   0.60,  -3.88,  99.90,  -3.33,  -0.05,
07/18 10Z,   0.60,  -6.29,  99.90,  -5.74,  -0.05,
07/18 11Z,   0.60,  -8.44,  99.90,  -7.88,  -0.05,
07/18 12Z,   0.60,  -9.82,  99.90,  -9.26,  -0.05,
07/18 13Z,   0.60, -10.12,  99.90,  -9.57,  -0.05,  (min)
07/18 14Z,   0.60,  -9.43,  99.90,  -8.88,  -0.05,
07/18 15Z,   0.60,  -8.08,  99.90,  -7.53,  -0.05,
07/18 16Z,   0.60,  -6.45,  99.90,  -5.90,  -0.05,
07/18 17Z,   0.60,  -4.90,  99.90,  -4.35,  -0.05,
07/18 18Z,   0.60,  -3.78,  99.90,  -3.23,  -0.05,
07/18 19Z,   0.60,  -3.31,  99.90,  -2.75,  -0.05,  (max)
07/18 20Z,   0.60,  -3.44,  99.90,  -2.89,  -0.05,
07/18 21Z,   0.60,  -3.99,  99.90,  -3.44,  -0.05,
07/18 22Z,   0.60,  -4.74,  99.90,  -4.19,  -0.05,
07/18 23Z,   0.60,  -5.47,  99.90,  -4.92,  -0.05,
07/19 00Z,   0.60,  -5.85,  99.90,  -5.30,  -0.05,  (min)
07/19 01Z,   0.60,  -5.60,  99.90,  -5.04,  -0.05,
07/19 02Z,   0.60,  -4.66,  99.90,  -4.11,  -0.05,
07/19 03Z,   0.60,  -3.27,  99.90,  -2.72,  -0.05,
07/19 04Z,   0.60,  -1.74,  99.90,  -1.19,  -0.05,
07/19 05Z,   0.60,  -0.39,  99.90,   0.16,  -0.05,
07/19 06Z,   0.60,   0.41,  99.90,   0.96,  -0.05,  (max)
07/19 07Z,   0.60,   0.34,  99.90,   0.89,  -0.05,
07/19 08Z,   0.60,  -0.70,  99.90,  -0.15,  -0.05,
07/19 09Z,   0.60,  -2.55,  99.90,  -2.00,  -0.05,
07/19 10Z,   0.60,  -4.93,  99.90,  -4.37,  -0.05,
07/19 11Z,   0.60,  -7.47,  99.90,  -6.92,  -0.05,
07/19 12Z,   0.50,  -9.70,  99.90,  -9.24,  -0.05,
07/19 13Z,   0.50, -11.09,  99.90, -10.64,  -0.05,
07/19 14Z,   0.50, -11.36,  99.90, -10.91,  -0.05,  (min)
07/19 15Z,   0.50, -10.57,  99.90, -10.12,  -0.05,
07/19 16Z,   0.50,  -9.05,  99.90,  -8.60,  -0.05,
07/19 17Z,   0.50,  -7.15,  99.90,  -6.70,  -0.05,
07/19 18Z,   0.50,  -5.28,  99.90,  -4.83,  -0.05,
07/19 19Z,   0.50,  -3.81,  99.90,  -3.36,  -0.05,
07/19 20Z,   0.50,  -2.94,  99.90,  -2.49,  -0.05,
07/19 21Z,   0.50,  -2.65,  99.90,  -2.19,  -0.05,  (max)
07/19 22Z,   0.50,  -2.78,  99.90,  -2.33,  -0.05,
07/19 23Z,   0.50,  -3.23,  99.90,  -2.78,  -0.05,
07/20 00Z,   0.50,  -3.80,  99.90,  -3.35,  -0.05,
07/20 01Z,   0.50,  -4.20,  99.90,  -3.75,  -0.05,  (min)
07/20 02Z,   0.50,  -4.14,  99.90,  -3.69,  -0.05,
07/20 03Z,   0.50,  -3.53,  99.90,  -3.08,  -0.05,
07/20 04Z,   0.50,  -2.53,  99.90,  -2.08,  -0.05,
07/20 05Z,   0.50,  -1.36,  99.90,  -0.91,  -0.05,
07/20 06Z,   0.50,  -0.33,  99.90,   0.13,  -0.05,
07/20 07Z,   0.50,   0.21,  99.90,   0.66,  -0.05,  (max)
07/20 08Z,   0.50,  -0.08,  99.90,   0.37,  -0.05,
07/20 09Z,   0.50,  -1.30,  99.90,  -0.85,  -0.05,
07/20 10Z,   0.50,  -3.29,  99.90,  -2.84,  -0.05,
07/20 11Z,   0.50,  -5.80,  99.90,  -5.35,  -0.05,
07/20 12Z,   0.50,  -8.46,  99.90,  -8.01,  -0.05,
07/20 13Z,   0.50, -10.78,  99.90, -10.33,  -0.05,
07/20 14Z,   0.50, -12.21,  99.90, -11.76,  -0.05,
07/20 15Z,   0.50, -12.44,  99.90, -11.98,  -0.05,  (min)
07/20 16Z,   0.50, -11.52,  99.90, -11.07,  -0.05,
07/20 17Z,   0.50,  -9.78,  99.90,  -9.33,  -0.05,
07/20 18Z,   0.50,  -7.59,  99.90,  -7.14,  -0.05,
07/20 19Z,   0.50,  -5.38,  99.90,  -4.93,  -0.05,
07/20 20Z,   0.50,  -3.56,  99.90,  -3.11,  -0.05,
07/20 21Z,   0.50,  -2.34,  99.90,  -1.89,  -0.05,
07/20 22Z,   0.50,  -1.71,  99.90,  -1.26,  -0.05,
07/20 23Z,   0.50,  -1.58,  99.90,  -1.13,  -0.05,  (max)
07/21 00Z,   0.50,  -1.89,  99.90,  -1.44,  -0.05,