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

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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
Port Heiden, AK
Egegik, AK
Naknek, AK
Clark's Pt, AK
Goodnews Bay
Quinhagak, AK
Kuskokwak, AK
Eek, Apokak, AK
Popokamute, AK
Scammon Bay AK
St. Lawrence, AK
Kwikluak, AK
Kawanak, AK
Apoon, Yukon, AK
St. Michaels, AK
Golovin, AK
Nome, AK
Port Clarence, AK
Kotzebue, AK
Pt. Barrow, AK
Prudhoe Bay, AK
St. Paul Island AK
Surge List
Norton Sound
Arctic Alaska
#Seward, AK : 10/10/2026 13:25:21 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/08 18Z,   0.50,  -3.62,  -4.34,  99.90,  -1.22,
10/08 19Z,   0.60,  -1.37,  -2.03,  99.90,  -1.26,
10/08 20Z,   0.60,  -0.02,  -0.74,  99.90,  -1.32,
10/08 21Z,   0.60,   0.15,  -0.69,  99.90,  -1.44,  (max)
10/08 22Z,   0.60,  -0.92,  -1.82,  99.90,  -1.50,
10/08 23Z,   0.60,  -3.02,  -3.78,  99.90,  -1.36,
10/09 00Z,   0.60,  -5.62,  -6.37,  99.90,  -1.35,
10/09 01Z,   0.60,  -8.03,  -8.95,  99.90,  -1.52,
10/09 02Z,   0.50,  -9.61, -10.58,  99.90,  -1.47,
10/09 03Z,   0.50,  -9.98, -10.85,  99.90,  -1.37,  (min)
10/09 04Z,   0.50,  -9.06,  -9.92,  99.90,  -1.36,
10/09 05Z,   0.50,  -7.07,  -7.90,  99.90,  -1.33,
10/09 06Z,   0.50,  -4.53,  -5.45,  99.90,  -1.42,
10/09 07Z,   0.50,  -2.14,  -2.96,  99.90,  -1.32,
10/09 08Z,   0.50,  -0.53,  -1.36,  99.90,  -1.33,
10/09 09Z,   0.50,  -0.04,  -1.01,  99.90,  -1.47,  (max)
10/09 10Z,   0.50,  -0.81,  -1.85,  99.90,  -1.54,
10/09 11Z,   0.50,  -2.70,  -3.58,  99.90,  -1.38,
10/09 12Z,   0.50,  -5.25,  -6.05,  99.90,  -1.30,
10/09 13Z,   0.40,  -7.78,  -8.73,  99.90,  -1.35,
10/09 14Z,   0.40,  -9.58, -10.61,  99.90,  -1.43,
10/09 15Z,   0.40, -10.18, -11.25,  99.90,  -1.47,  (min)
10/09 16Z,   0.40,  -9.42, -10.39,  99.90,  -1.37,
10/09 17Z,   0.30,  -7.46,  -8.54,  99.90,  -1.38,
10/09 18Z,   0.30,  -4.77,  -5.80,  99.90,  -1.33,
10/09 19Z,   0.40,  -2.07,  -3.01,  99.90,  -1.34,
10/09 20Z,   0.40,  -0.05,  -1.03,  99.90,  -1.38,
10/09 21Z,   0.40,   0.83,  -0.20,  99.90,  -1.43,  (max)
10/09 22Z,   0.40,   0.37,  -0.81,  99.90,  -1.58,
10/09 23Z,   0.40,  -1.37,  -2.50,  99.90,  -1.53,
10/10 00Z,   0.40,  -4.02,  -5.03,  99.90,  -1.41,
10/10 01Z,   0.30,  -6.96,  -7.89,  99.90,  -1.23,
10/10 02Z,   0.30,  -9.40, -10.46,  99.90,  -1.36,
10/10 03Z,   0.30, -10.73, -11.71,  99.90,  -1.28,  (min)
10/10 04Z,   0.30, -10.66, -11.54,  99.90,  -1.18,
10/10 05Z,   0.30,  -9.23, -10.20,  99.90,  -1.27,
10/10 06Z,   0.30,  -6.80,  -7.76,  99.90,  -1.26,
10/10 07Z,   0.30,  -4.02,  -4.75,  99.90,  -1.03,
10/10 08Z,   0.40,  -1.65,  -2.39,  99.90,  -1.14,
10/10 09Z,   0.40,  -0.24,  -1.08,  99.90,  -1.24,
10/10 10Z,   0.40,  -0.10,  -0.98,  99.90,  -1.28,  (max)
10/10 11Z,   0.40,  -1.22,  -2.07,  99.90,  -1.25,
10/10 12Z,   0.30,  -3.36,  -4.10,  99.90,  -1.04,
10/10 13Z,   0.30,  -5.95,  -6.61,  99.90,  -0.96,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/10 14Z,   0.20,  -8.26,  99.90,  -9.05,  -0.98,
10/10 15Z,   0.20,  -9.61,  99.90, -10.42,  -1.01,
10/10 16Z,   0.20,  -9.63,  99.90, -10.46,  -1.03,  (min)
10/10 17Z,   0.20,  -8.29,  99.90,  -9.15,  -1.05,
10/10 18Z,   0.20,  -5.92,  99.90,  -6.80,  -1.08,
10/10 19Z,   0.30,  -3.10,  99.90,  -3.90,  -1.10,
10/10 20Z,   0.30,  -0.60,  99.90,  -1.43,  -1.13,
10/10 21Z,   0.30,   0.94,  99.90,   0.08,  -1.15,
10/10 22Z,   0.40,   1.15,  99.90,   0.37,  -1.18,  (max)
10/10 23Z,   0.40,  -0.01,  99.90,  -0.81,  -1.20,
10/11 00Z,   0.50,  -2.35,  99.90,  -3.07,  -1.22,
10/11 01Z,   0.40,  -5.37,  99.90,  -6.22,  -1.25,
10/11 02Z,   0.40,  -8.36,  99.90,  -9.21,  -1.25,
10/11 03Z,   0.40, -10.55,  99.90, -11.40,  -1.25,
10/11 04Z,   0.40, -11.40,  99.90, -12.25,  -1.25,  (min)
10/11 05Z,   0.40, -10.77,  99.90, -11.62,  -1.25,
10/11 06Z,   0.50,  -8.84,  99.90,  -9.59,  -1.25,
10/11 07Z,   0.80,  -6.13,  99.90,  -6.58,  -1.25,
10/11 08Z,   0.60,  -3.34,  99.90,  -3.99,  -1.25,
10/11 09Z,   0.60,  -1.21,  99.90,  -1.86,  -1.25,
10/11 10Z,   0.80,  -0.20,  99.90,  -0.65,  -1.25,  (max)
10/11 11Z,   1.00,  -0.48,  99.90,  -0.73,  -1.25,
10/11 12Z,   1.00,  -1.92,  99.90,  -2.17,  -1.25,
10/11 13Z,   0.90,  -4.18,  99.90,  -4.52,  -1.25,
10/11 14Z,   0.80,  -6.62,  99.90,  -7.06,  -1.25,
10/11 15Z,   0.90,  -8.50,  99.90,  -8.85,  -1.25,
10/11 16Z,   0.90,  -9.24,  99.90,  -9.59,  -1.25,  (min)
10/11 17Z,   0.90,  -8.63,  99.90,  -8.98,  -1.25,
10/11 18Z,   0.80,  -6.81,  99.90,  -7.26,  -1.25,
10/11 19Z,   0.90,  -4.22,  99.90,  -4.57,  -1.25,
10/11 20Z,   0.90,  -1.54,  99.90,  -1.89,  -1.25,
10/11 21Z,   0.90,   0.50,  99.90,   0.15,  -1.25,
10/11 22Z,   0.90,   1.36,  99.90,   1.01,  -1.25,  (max)
10/11 23Z,   0.90,   0.85,  99.90,   0.50,  -1.25,
10/12 00Z,   0.90,  -0.94,  99.90,  -1.29,  -1.25,
10/12 01Z,   0.80,  -3.68,  99.90,  -4.13,  -1.25,
10/12 02Z,   0.80,  -6.81,  99.90,  -7.26,  -1.25,
10/12 03Z,   0.80,  -9.56,  99.90, -10.01,  -1.25,
10/12 04Z,   0.70, -11.25,  99.90, -11.80,  -1.25,
10/12 05Z,   0.70, -11.50,  99.90, -12.05,  -1.25,  (min)
10/12 06Z,   0.70, -10.31,  99.90, -10.86,  -1.25,
10/12 07Z,   0.70,  -8.04,  99.90,  -8.59,  -1.25,
10/12 08Z,   0.80,  -5.26,  99.90,  -5.71,  -1.25,
10/12 09Z,   0.80,  -2.70,  99.90,  -3.15,  -1.25,
10/12 10Z,   0.80,  -0.99,  99.90,  -1.44,  -1.25,
10/12 11Z,   0.80,  -0.47,  99.90,  -0.92,  -1.25,  (max)
10/12 12Z,   0.80,  -1.14,  99.90,  -1.59,  -1.25,
10/12 13Z,   0.80,  -2.79,  99.90,  -3.24,  -1.25,
10/12 14Z,   0.80,  -4.98,  99.90,  -5.43,  -1.25,
10/12 15Z,   0.80,  -7.06,  99.90,  -7.51,  -1.25,
10/12 16Z,   0.80,  -8.36,  99.90,  -8.81,  -1.25,
10/12 17Z,   0.80,  -8.46,  99.90,  -8.91,  -1.25,  (min)
10/12 18Z,   0.80,  -7.30,  99.90,  -7.75,  -1.25,
10/12 19Z,   0.80,  -5.19,  99.90,  -5.64,  -1.25,
10/12 20Z,   0.80,  -2.66,  99.90,  -3.11,  -1.25,
10/12 21Z,   0.80,  -0.37,  99.90,  -0.82,  -1.25,
10/12 22Z,   0.80,   1.03,  99.90,   0.58,  -1.25,
10/12 23Z,   0.90,   1.17,  99.90,   0.82,  -1.25,  (max)
10/13 00Z,   0.90,   0.01,  99.90,  -0.34,  -1.25,
10/13 01Z,   0.90,  -2.22,  99.90,  -2.57,  -1.25,
10/13 02Z,   0.90,  -5.11,  99.90,  -5.45,  -1.25,
10/13 03Z,   0.90,  -8.05,  99.90,  -8.39,  -1.25,
10/13 04Z,   0.90, -10.33,  99.90, -10.67,  -1.25,
10/13 05Z,   1.00, -11.39,  99.90, -11.64,  -1.25,  (min)
10/13 06Z,   1.00, -11.04,  99.90, -11.28,  -1.25,
10/13 07Z,   1.00,  -9.44,  99.90,  -9.69,  -1.25,
10/13 08Z,   1.00,  -7.03,  99.90,  -7.28,  -1.25,
10/13 09Z,   1.00,  -4.43,  99.90,  -4.68,  -1.25,
10/13 10Z,   1.00,  -2.29,  99.90,  -2.54,  -1.25,
10/13 11Z,   0.90,  -1.11,  99.90,  -1.45,  -1.25,
10/13 12Z,   0.90,  -1.04,  99.90,  -1.39,  -1.25,  (max)
10/13 13Z,   0.80,  -2.00,  99.90,  -2.44,  -1.25,
10/13 14Z,   0.80,  -3.67,  99.90,  -4.12,  -1.25,
10/13 15Z,   0.80,  -5.59,  99.90,  -6.04,  -1.25,
10/13 16Z,   0.80,  -7.17,  99.90,  -7.62,  -1.25,
10/13 17Z,   0.80,  -7.85,  99.90,  -8.30,  -1.25,  (min)
10/13 18Z,   0.90,  -7.37,  99.90,  -7.72,  -1.25,
10/13 19Z,   0.90,  -5.86,  99.90,  -6.21,  -1.25,
10/13 20Z,   1.00,  -3.72,  99.90,  -3.96,  -1.25,
10/13 21Z,   1.00,  -1.48,  99.90,  -1.73,  -1.25,
10/13 22Z,   1.00,   0.24,  99.90,  -0.01,  -1.25,
10/13 23Z,   0.80,   0.95,  99.90,   0.50,  -1.25,  (max)
10/14 00Z,   0.90,   0.44,  99.90,   0.10,  -1.25,
10/14 01Z,   1.00,  -1.17,  99.90,  -1.41,  -1.25,
10/14 02Z,   1.10,  -3.57,  99.90,  -3.72,  -1.25,
10/14 03Z,   0.70,  -6.33,  99.90,  -6.88,  -1.25,
10/14 04Z,   1.00,  -8.86,  99.90,  -9.11,  -1.25,
10/14 05Z,   1.20, -10.54,  99.90, -10.59,  -1.25,
10/14 06Z,   1.20, -10.99,  99.90, -11.04,  -1.25,