EXTRA-TROPICAL  STORM  SURGE
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Manual
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hat-on
mhhw-on
msl-on
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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
#Boston, MA : 02/08/2026 13:22:37 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/06 18Z,   1.20,  -4.02,  -2.95,  99.90,  -0.13,
02/06 19Z,   1.30,  -2.95,  -1.76,  99.90,  -0.11,  (max)
02/06 20Z,   1.40,  -3.11,  -2.05,  99.90,  -0.34,
02/06 21Z,   1.50,  -4.34,  -3.09,  99.90,  -0.25,
02/06 22Z,   1.50,  -6.26,  -5.07,  99.90,  -0.31,
02/06 23Z,   1.60,  -8.53,  -7.21,  99.90,  -0.28,
02/07 00Z,   1.50, -10.73,  -9.17,  99.90,   0.06,
02/07 01Z,   1.50, -12.15, -10.68,  99.90,  -0.03,
02/07 02Z,   1.50, -12.16, -10.70,  99.90,  -0.04,  (min)
02/07 03Z,   1.50, -10.94,  -9.45,  99.90,  -0.01,
02/07 04Z,   1.50,  -9.08,  -7.70,  99.90,  -0.12,
02/07 05Z,   1.60,  -6.88,  -5.56,  99.90,  -0.28,
02/07 06Z,   1.50,  -4.70,  -3.41,  99.90,  -0.21,
02/07 07Z,   1.50,  -3.22,  -1.90,  99.90,  -0.18,
02/07 08Z,   1.60,  -2.90,  -1.44,  99.90,  -0.14,  (max)
02/07 09Z,   1.60,  -3.72,  -2.31,  99.90,  -0.19,
02/07 10Z,   1.60,  -5.35,  -3.83,  99.90,  -0.08,
02/07 11Z,   1.70,  -7.44,  -6.05,  99.90,  -0.31,
02/07 12Z,   1.60,  -9.64,  -8.16,  99.90,  -0.12,
02/07 13Z,   1.60, -11.43,  -9.92,  99.90,  -0.09,
02/07 14Z,   1.60, -12.07, -10.59,  99.90,  -0.12,  (min)
02/07 15Z,   1.60, -11.40,  -9.79,  99.90,   0.01,
02/07 16Z,   1.60,  -9.92,  -8.49,  99.90,  -0.17,
02/07 17Z,   1.60,  -8.05,  -6.45,  99.90,  -0.00,
02/07 18Z,   1.50,  -5.98,  -4.43,  99.90,   0.05,
02/07 19Z,   1.60,  -4.27,  -2.73,  99.90,  -0.06,
02/07 20Z,   1.50,  -3.52,  -2.03,  99.90,  -0.01,  (max)
02/07 21Z,   1.50,  -3.89,  -2.35,  99.90,   0.04,
02/07 22Z,   1.40,  -5.15,  -3.67,  99.90,   0.08,
02/07 23Z,   1.40,  -6.93,  -5.45,  99.90,   0.08,
02/08 00Z,   1.30,  -8.92,  -7.66,  99.90,  -0.04,
02/08 01Z,   1.30, -10.72,  -9.33,  99.90,   0.09,
02/08 02Z,   1.20, -11.69, -10.62,  99.90,  -0.13,  (min)
02/08 03Z,   1.30, -11.36, -10.20,  99.90,  -0.14,
02/08 04Z,   1.20, -10.05,  -8.98,  99.90,  -0.13,
02/08 05Z,   1.20,  -8.30,  -7.40,  99.90,  -0.30,
02/08 06Z,   1.20,  -6.32,  -5.29,  99.90,  -0.17,
02/08 07Z,   1.10,  -4.45,  -3.32,  99.90,   0.03,
02/08 08Z,   1.10,  -3.33,  -2.07,  99.90,   0.16,
02/08 09Z,   1.10,  -3.32,  -1.96,  99.90,   0.26,  (max)
02/08 10Z,   1.20,  -4.29,  -3.03,  99.90,   0.06,
02/08 11Z,   1.20,  -5.90,  -4.71,  99.90,  -0.01,
02/08 12Z,   1.20,  -7.82,  -6.61,  99.90,   0.01,
02/08 13Z,   1.30,  -9.78,  -8.65,  99.90,  -0.17,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/08 14Z,   1.30, -11.25,  99.90, -10.11,  -0.16,
02/08 15Z,   1.30, -11.62,  99.90, -10.46,  -0.14,  (min)
02/08 16Z,   1.20, -10.87,  99.90,  -9.80,  -0.12,
02/08 17Z,   1.20,  -9.53,  99.90,  -8.43,  -0.11,
02/08 18Z,   1.10,  -7.86,  99.90,  -6.85,  -0.09,
02/08 19Z,   1.10,  -6.05,  99.90,  -5.02,  -0.07,
02/08 20Z,   1.00,  -4.62,  99.90,  -3.67,  -0.05,
02/08 21Z,   1.00,  -4.12,  99.90,  -3.15,  -0.04,  (max)
02/08 22Z,   1.00,  -4.60,  99.90,  -3.62,  -0.02,
02/08 23Z,   0.90,  -5.80,  99.90,  -4.90,  -0.00,
02/09 00Z,   0.90,  -7.37,  99.90,  -6.46,   0.02,
02/09 01Z,   0.90,  -9.07,  99.90,  -8.13,   0.03,
02/09 02Z,   0.90, -10.53,  99.90,  -9.60,   0.03,
02/09 03Z,   0.80, -11.16,  99.90, -10.32,   0.03,  (min)
02/09 04Z,   0.80, -10.62,  99.90,  -9.79,   0.03,
02/09 05Z,   0.70,  -9.34,  99.90,  -8.60,   0.03,
02/09 06Z,   0.70,  -7.75,  99.90,  -7.02,   0.03,
02/09 07Z,   0.70,  -5.98,  99.90,  -5.25,   0.03,
02/09 08Z,   0.70,  -4.38,  99.90,  -3.65,   0.03,
02/09 09Z,   0.70,  -3.56,  99.90,  -2.82,   0.03,  (max)
02/09 10Z,   0.70,  -3.74,  99.90,  -3.01,   0.03,
02/09 11Z,   0.70,  -4.76,  99.90,  -4.03,   0.03,
02/09 12Z,   0.70,  -6.28,  99.90,  -5.55,   0.03,
02/09 13Z,   0.70,  -8.02,  99.90,  -7.29,   0.03,
02/09 14Z,   0.60,  -9.76,  99.90,  -9.13,   0.03,
02/09 15Z,   0.60, -11.01,  99.90, -10.38,   0.03,
02/09 16Z,   0.50, -11.22,  99.90, -10.69,   0.03,  (min)
02/09 17Z,   0.40, -10.50,  99.90, -10.06,   0.03,
02/09 18Z,   0.40,  -9.32,  99.90,  -8.88,   0.03,
02/09 19Z,   0.30,  -7.84,  99.90,  -7.50,   0.03,
02/09 20Z,   0.30,  -6.21,  99.90,  -5.88,   0.03,
02/09 21Z,   0.30,  -4.99,  99.90,  -4.66,   0.03,
02/09 22Z,   0.40,  -4.63,  99.90,  -4.19,   0.03,  (max)
02/09 23Z,   0.50,  -5.13,  99.90,  -4.59,   0.03,
02/10 00Z,   0.50,  -6.21,  99.90,  -5.67,   0.03,
02/10 01Z,   0.50,  -7.58,  99.90,  -7.05,   0.03,
02/10 02Z,   0.50,  -9.05,  99.90,  -8.51,   0.03,
02/10 03Z,   0.50, -10.28,  99.90,  -9.74,   0.03,
02/10 04Z,   0.40, -10.68,  99.90, -10.25,   0.03,  (min)
02/10 05Z,   0.40, -10.07,  99.90,  -9.63,   0.03,
02/10 06Z,   0.50,  -8.87,  99.90,  -8.34,   0.03,
02/10 07Z,   0.50,  -7.44,  99.90,  -6.90,   0.03,
02/10 08Z,   0.50,  -5.82,  99.90,  -5.29,   0.03,
02/10 09Z,   0.50,  -4.41,  99.90,  -3.88,   0.03,
02/10 10Z,   0.60,  -3.77,  99.90,  -3.13,   0.03,  (max)
02/10 11Z,   0.60,  -4.05,  99.90,  -3.42,   0.03,
02/10 12Z,   0.70,  -5.05,  99.90,  -4.32,   0.03,
02/10 13Z,   0.60,  -6.46,  99.90,  -5.83,   0.03,
02/10 14Z,   0.60,  -8.07,  99.90,  -7.44,   0.03,
02/10 15Z,   0.60,  -9.70,  99.90,  -9.06,   0.03,
02/10 16Z,   0.50, -10.82,  99.90, -10.28,   0.03,
02/10 17Z,   0.50, -10.96,  99.90, -10.43,   0.03,  (min)
02/10 18Z,   0.50, -10.32,  99.90,  -9.78,   0.03,
02/10 19Z,   0.50,  -9.28,  99.90,  -8.75,   0.03,
02/10 20Z,   0.50,  -7.92,  99.90,  -7.38,   0.03,
02/10 21Z,   0.60,  -6.39,  99.90,  -5.75,   0.03,
02/10 22Z,   0.60,  -5.27,  99.90,  -4.64,   0.03,
02/10 23Z,   0.60,  -4.96,  99.90,  -4.33,   0.03,  (max)
02/11 00Z,   0.70,  -5.42,  99.90,  -4.69,   0.03,
02/11 01Z,   0.60,  -6.39,  99.90,  -5.75,   0.03,
02/11 02Z,   0.60,  -7.62,  99.90,  -6.99,   0.03,
02/11 03Z,   0.50,  -8.97,  99.90,  -8.44,   0.03,
02/11 04Z,   0.60, -10.08,  99.90,  -9.45,   0.03,
02/11 05Z,   0.50, -10.38,  99.90,  -9.84,   0.03,  (min)
02/11 06Z,   0.60,  -9.75,  99.90,  -9.12,   0.03,
02/11 07Z,   0.60,  -8.65,  99.90,  -8.02,   0.03,
02/11 08Z,   0.60,  -7.30,  99.90,  -6.66,   0.03,
02/11 09Z,   0.60,  -5.74,  99.90,  -5.11,   0.03,
02/11 10Z,   0.60,  -4.42,  99.90,  -3.79,   0.03,
02/11 11Z,   0.60,  -3.87,  99.90,  -3.23,   0.03,  (max)
02/11 12Z,   0.70,  -4.18,  99.90,  -3.45,   0.03,
02/11 13Z,   0.60,  -5.14,  99.90,  -4.51,   0.03,
02/11 14Z,   0.60,  -6.49,  99.90,  -5.86,   0.03,
02/11 15Z,   0.50,  -8.07,  99.90,  -7.54,   0.03,
02/11 16Z,   0.40,  -9.68,  99.90,  -9.25,   0.03,
02/11 17Z,   0.40, -10.77,  99.90, -10.33,   0.03,
02/11 18Z,   0.30, -10.90,  99.90, -10.57,   0.03,  (min)
02/11 19Z,   0.40, -10.33,  99.90,  -9.90,   0.03,
02/11 20Z,   0.40,  -9.36,  99.90,  -8.93,   0.03,
02/11 21Z,   0.40,  -7.99,  99.90,  -7.56,   0.03,
02/11 22Z,   0.40,  -6.47,  99.90,  -6.04,   0.03,
02/11 23Z,   0.40,  -5.38,  99.90,  -4.95,   0.03,
02/12 00Z,   0.40,  -5.08,  99.90,  -4.64,   0.03,  (max)
02/12 01Z,   0.40,  -5.50,  99.90,  -5.06,   0.03,
02/12 02Z,   0.40,  -6.40,  99.90,  -5.97,   0.03,
02/12 03Z,   0.30,  -7.61,  99.90,  -7.27,   0.03,
02/12 04Z,   0.30,  -8.96,  99.90,  -8.63,   0.03,
02/12 05Z,   0.30, -10.05,  99.90,  -9.72,   0.03,
02/12 06Z,   0.30, -10.29,  99.90,  -9.96,   0.03,