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
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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 : 02/07/2026 14:23:30 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/05 18Z,   0.70,  -2.50,  -1.94,  99.90,  -0.14,
02/05 19Z,   0.70,  -2.37,  -1.74,  99.90,  -0.07,  (max)
02/05 20Z,   0.70,  -3.46,  -2.83,  99.90,  -0.07,
02/05 21Z,   0.80,  -5.43,  -4.74,  99.90,  -0.11,
02/05 22Z,   0.80,  -7.92,  -7.12,  99.90,   0.00,
02/05 23Z,   0.80, -10.49,  -9.54,  99.90,   0.15,
02/06 00Z,   0.80, -12.40, -11.50,  99.90,   0.10,
02/06 01Z,   0.80, -12.87, -12.24,  99.90,  -0.17,  (min)
02/06 02Z,   0.80, -11.88, -11.12,  99.90,  -0.04,
02/06 03Z,   0.70, -10.01,  -9.30,  99.90,   0.01,
02/06 04Z,   0.70,  -7.65,  -7.02,  99.90,  -0.07,
02/06 05Z,   0.80,  -5.18,  -4.52,  99.90,  -0.14,
02/06 06Z,   0.80,  -3.29,  -2.63,  99.90,  -0.14,
02/06 07Z,   0.80,  -2.60,  -1.81,  99.90,  -0.01,  (max)
02/06 08Z,   0.80,  -3.16,  -2.17,  99.90,   0.19,
02/06 09Z,   0.90,  -4.71,  -3.78,  99.90,   0.03,
02/06 10Z,   0.90,  -6.89,  -5.85,  99.90,   0.14,
02/06 11Z,   0.90,  -9.32,  -8.17,  99.90,   0.25,
02/06 12Z,   1.00, -11.45, -10.25,  99.90,   0.20,
02/06 13Z,   1.10, -12.46, -11.35,  99.90,   0.01,  (min)
02/06 14Z,   1.10, -11.98, -10.88,  99.90,   0.00,
02/06 15Z,   1.10, -10.46,  -9.37,  99.90,  -0.01,
02/06 16Z,   1.20,  -8.40,  -7.20,  99.90,   0.00,
02/06 17Z,   1.20,  -6.07,  -5.09,  99.90,  -0.22,
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,   1.70,  -9.64,  -8.16,  99.90,  -0.22,
02/07 13Z,   1.70, -11.43,  -9.92,  99.90,  -0.19,
02/07 14Z,   1.70, -12.07, -10.59,  99.90,  -0.22,  (min)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/07 15Z,   1.70, -11.40,  99.90,  -9.90,  -0.19,
02/07 16Z,   1.70,  -9.92,  99.90,  -8.40,  -0.17,
02/07 17Z,   1.70,  -8.05,  99.90,  -6.50,  -0.15,
02/07 18Z,   1.80,  -5.98,  99.90,  -4.31,  -0.13,
02/07 19Z,   1.80,  -4.27,  99.90,  -2.58,  -0.11,
02/07 20Z,   1.80,  -3.52,  99.90,  -1.81,  -0.09,  (max)
02/07 21Z,   1.80,  -3.89,  99.90,  -2.16,  -0.07,
02/07 22Z,   1.70,  -5.15,  99.90,  -3.50,  -0.05,
02/07 23Z,   1.70,  -6.93,  99.90,  -5.26,  -0.03,
02/08 00Z,   1.70,  -8.92,  99.90,  -7.22,  -0.00,
02/08 01Z,   1.60, -10.72,  99.90,  -9.10,   0.02,
02/08 02Z,   1.60, -11.69,  99.90, -10.05,   0.04,  (min)
02/08 03Z,   1.50, -11.36,  99.90,  -9.82,   0.04,
02/08 04Z,   1.40, -10.05,  99.90,  -8.61,   0.04,
02/08 05Z,   1.50,  -8.30,  99.90,  -6.76,   0.04,
02/08 06Z,   1.40,  -6.32,  99.90,  -4.88,   0.04,
02/08 07Z,   1.40,  -4.45,  99.90,  -3.01,   0.04,
02/08 08Z,   1.30,  -3.33,  99.90,  -1.99,   0.04,
02/08 09Z,   1.40,  -3.32,  99.90,  -1.88,   0.04,  (max)
02/08 10Z,   1.40,  -4.29,  99.90,  -2.86,   0.04,
02/08 11Z,   1.40,  -5.90,  99.90,  -4.47,   0.04,
02/08 12Z,   1.40,  -7.82,  99.90,  -6.38,   0.04,
02/08 13Z,   1.40,  -9.78,  99.90,  -8.34,   0.04,
02/08 14Z,   1.40, -11.25,  99.90,  -9.81,   0.04,
02/08 15Z,   1.40, -11.62,  99.90, -10.19,   0.04,  (min)
02/08 16Z,   1.40, -10.87,  99.90,  -9.44,   0.04,
02/08 17Z,   1.30,  -9.53,  99.90,  -8.19,   0.04,
02/08 18Z,   1.20,  -7.86,  99.90,  -6.62,   0.04,
02/08 19Z,   1.20,  -6.05,  99.90,  -4.81,   0.04,
02/08 20Z,   1.10,  -4.62,  99.90,  -3.48,   0.04,
02/08 21Z,   1.10,  -4.12,  99.90,  -2.98,   0.04,  (max)
02/08 22Z,   1.10,  -4.60,  99.90,  -3.46,   0.04,
02/08 23Z,   1.10,  -5.80,  99.90,  -4.66,   0.04,
02/09 00Z,   1.00,  -7.37,  99.90,  -6.33,   0.04,
02/09 01Z,   1.00,  -9.07,  99.90,  -8.03,   0.04,
02/09 02Z,   0.90, -10.53,  99.90,  -9.60,   0.04,
02/09 03Z,   0.90, -11.16,  99.90, -10.22,   0.04,  (min)
02/09 04Z,   0.90, -10.62,  99.90,  -9.68,   0.04,
02/09 05Z,   0.80,  -9.34,  99.90,  -8.50,   0.04,
02/09 06Z,   0.80,  -7.75,  99.90,  -6.91,   0.04,
02/09 07Z,   0.80,  -5.98,  99.90,  -5.14,   0.04,
02/09 08Z,   0.80,  -4.38,  99.90,  -3.55,   0.04,
02/09 09Z,   0.70,  -3.56,  99.90,  -2.82,   0.04,  (max)
02/09 10Z,   0.80,  -3.74,  99.90,  -2.90,   0.04,
02/09 11Z,   0.80,  -4.76,  99.90,  -3.92,   0.04,
02/09 12Z,   0.80,  -6.28,  99.90,  -5.44,   0.04,
02/09 13Z,   0.80,  -8.02,  99.90,  -7.18,   0.04,
02/09 14Z,   0.70,  -9.76,  99.90,  -9.03,   0.04,
02/09 15Z,   0.60, -11.01,  99.90, -10.37,   0.04,
02/09 16Z,   0.60, -11.22,  99.90, -10.58,   0.04,  (min)
02/09 17Z,   0.50, -10.50,  99.90,  -9.96,   0.04,
02/09 18Z,   0.40,  -9.32,  99.90,  -8.88,   0.04,
02/09 19Z,   0.40,  -7.84,  99.90,  -7.40,   0.04,
02/09 20Z,   0.40,  -6.21,  99.90,  -5.77,   0.04,
02/09 21Z,   0.40,  -4.99,  99.90,  -4.55,   0.04,
02/09 22Z,   0.50,  -4.63,  99.90,  -4.09,   0.04,  (max)
02/09 23Z,   0.50,  -5.13,  99.90,  -4.59,   0.04,
02/10 00Z,   0.60,  -6.21,  99.90,  -5.57,   0.04,
02/10 01Z,   0.60,  -7.58,  99.90,  -6.94,   0.04,
02/10 02Z,   0.60,  -9.05,  99.90,  -8.41,   0.04,
02/10 03Z,   0.60, -10.28,  99.90,  -9.64,   0.04,
02/10 04Z,   0.50, -10.68,  99.90, -10.14,   0.04,  (min)
02/10 05Z,   0.50, -10.07,  99.90,  -9.53,   0.04,
02/10 06Z,   0.50,  -8.87,  99.90,  -8.34,   0.04,
02/10 07Z,   0.50,  -7.44,  99.90,  -6.90,   0.04,
02/10 08Z,   0.50,  -5.82,  99.90,  -5.28,   0.04,
02/10 09Z,   0.60,  -4.41,  99.90,  -3.78,   0.04,
02/10 10Z,   0.60,  -3.77,  99.90,  -3.13,   0.04,  (max)
02/10 11Z,   0.70,  -4.05,  99.90,  -3.31,   0.04,
02/10 12Z,   0.70,  -5.05,  99.90,  -4.31,   0.04,
02/10 13Z,   0.70,  -6.46,  99.90,  -5.72,   0.04,
02/10 14Z,   0.70,  -8.07,  99.90,  -7.34,   0.04,
02/10 15Z,   0.60,  -9.70,  99.90,  -9.06,   0.04,
02/10 16Z,   0.60, -10.82,  99.90, -10.18,   0.04,
02/10 17Z,   0.50, -10.96,  99.90, -10.42,   0.04,  (min)
02/10 18Z,   0.50, -10.32,  99.90,  -9.78,   0.04,
02/10 19Z,   0.50,  -9.28,  99.90,  -8.75,   0.04,
02/10 20Z,   0.60,  -7.92,  99.90,  -7.28,   0.04,
02/10 21Z,   0.60,  -6.39,  99.90,  -5.75,   0.04,
02/10 22Z,   0.70,  -5.27,  99.90,  -4.53,   0.04,
02/10 23Z,   0.70,  -4.96,  99.90,  -4.23,   0.04,  (max)
02/11 00Z,   0.80,  -5.42,  99.90,  -4.58,   0.04,
02/11 01Z,   0.80,  -6.39,  99.90,  -5.55,   0.04,
02/11 02Z,   0.80,  -7.62,  99.90,  -6.78,   0.04,
02/11 03Z,   0.80,  -8.97,  99.90,  -8.13,   0.04,
02/11 04Z,   0.70, -10.08,  99.90,  -9.34,   0.04,
02/11 05Z,   0.70, -10.38,  99.90,  -9.64,   0.04,  (min)
02/11 06Z,   0.70,  -9.75,  99.90,  -9.01,   0.04,