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
#Port Townsend, WA : 07/18/2025 05:23:55 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/16 12Z,   0.30,  -6.19,  -5.71,  99.90,   0.18,
07/16 13Z,   0.30,  -5.71,  -5.23,  99.90,   0.18,
07/16 14Z,   0.30,  -5.19,  -4.64,  99.90,   0.25,
07/16 15Z,   0.30,  -4.77,  -4.16,  99.90,   0.31,
07/16 16Z,   0.30,  -4.71,  -4.16,  99.90,   0.25,  (max)
07/16 17Z,   0.30,  -5.20,  -4.64,  99.90,   0.26,
07/16 18Z,   0.40,  -6.14,  -5.66,  99.90,   0.08,
07/16 19Z,   0.30,  -7.27,  -6.78,  99.90,   0.19,
07/16 20Z,   0.30,  -8.28,  -7.88,  99.90,   0.10,
07/16 21Z,   0.40,  -8.85,  -8.50,  99.90,  -0.05,  (min)
07/16 22Z,   0.40,  -8.76,  -8.21,  99.90,   0.15,
07/16 23Z,   0.30,  -7.98,  -7.52,  99.90,   0.16,
07/17 00Z,   0.40,  -6.75,  -6.22,  99.90,   0.13,
07/17 01Z,   0.40,  -5.31,  -4.76,  99.90,   0.15,
07/17 02Z,   0.40,  -3.82,  -3.32,  99.90,   0.10,
07/17 03Z,   0.40,  -2.44,  -1.89,  99.90,   0.15,
07/17 04Z,   0.50,  -1.50,  -1.03,  99.90,  -0.03,  (max)
07/17 05Z,   0.50,  -1.31,  -1.06,  99.90,  -0.25,
07/17 06Z,   0.50,  -1.96,  -1.61,  99.90,  -0.15,
07/17 07Z,   0.40,  -3.25,  -3.00,  99.90,  -0.15,
07/17 08Z,   0.40,  -4.86,  -4.69,  99.90,  -0.23,
07/17 09Z,   0.50,  -6.40,  -6.29,  99.90,  -0.39,
07/17 10Z,   0.50,  -7.49,  -7.16,  99.90,  -0.17,
07/17 11Z,   0.40,  -7.94,  -7.54,  99.90,   0.00,  (min)
07/17 12Z,   0.30,  -7.81,  -7.26,  99.90,   0.25,
07/17 13Z,   0.30,  -7.35,  -6.81,  99.90,   0.24,
07/17 14Z,   0.30,  -6.72,  -6.22,  99.90,   0.20,
07/17 15Z,   0.30,  -6.00,  -5.46,  99.90,   0.24,
07/17 16Z,   0.30,  -5.35,  -4.86,  99.90,   0.19,
07/17 17Z,   0.30,  -5.04,  -4.51,  99.90,   0.23,  (max)
07/17 18Z,   0.30,  -5.18,  -4.67,  99.90,   0.21,
07/17 19Z,   0.20,  -5.70,  -5.13,  99.90,   0.37,
07/17 20Z,   0.20,  -6.38,  -5.81,  99.90,   0.37,
07/17 21Z,   0.20,  -6.99,  -6.54,  99.90,   0.25,
07/17 22Z,   0.20,  -7.29,  -6.83,  99.90,   0.26,  (min)
07/17 23Z,   0.20,  -7.06,  -6.41,  99.90,   0.45,
07/18 00Z,   0.30,  -6.29,  -5.66,  99.90,   0.33,
07/18 01Z,   0.40,  -5.19,  -4.59,  99.90,   0.20,
07/18 02Z,   0.30,  -3.97,  -3.43,  99.90,   0.24,
07/18 03Z,   0.30,  -2.78,  -2.10,  99.90,   0.38,
07/18 04Z,   0.30,  -1.78,  -1.13,  99.90,   0.35,
07/18 05Z,   0.40,  -1.29,  -0.76,  99.90,   0.13,  (max)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/18 06Z,   0.40,  -1.55,  99.90,  -1.03,   0.12,
07/18 07Z,   0.30,  -2.59,  99.90,  -2.17,   0.12,
07/18 08Z,   0.30,  -4.18,  99.90,  -3.77,   0.12,
07/18 09Z,   0.40,  -6.01,  99.90,  -5.49,   0.12,
07/18 10Z,   0.30,  -7.69,  99.90,  -7.28,   0.11,
07/18 11Z,   0.30,  -8.85,  99.90,  -8.44,   0.11,
07/18 12Z,   0.30,  -9.29,  99.90,  -8.88,   0.11,  (min)
07/18 13Z,   0.30,  -9.08,  99.90,  -8.68,   0.10,
07/18 14Z,   0.30,  -8.48,  99.90,  -8.08,   0.10,
07/18 15Z,   0.30,  -7.66,  99.90,  -7.26,   0.10,
07/18 16Z,   0.30,  -6.70,  99.90,  -6.30,   0.09,
07/18 17Z,   0.30,  -5.78,  99.90,  -5.39,   0.09,
07/18 18Z,   0.30,  -5.13,  99.90,  -4.74,   0.09,
07/18 19Z,   0.30,  -4.86,  99.90,  -4.47,   0.09,  (max)
07/18 20Z,   0.20,  -4.92,  99.90,  -4.63,   0.09,
07/18 21Z,   0.30,  -5.19,  99.90,  -4.80,   0.09,
07/18 22Z,   0.30,  -5.52,  99.90,  -5.13,   0.09,
07/18 23Z,   0.30,  -5.68,  99.90,  -5.29,   0.09,  (min)
07/19 00Z,   0.30,  -5.44,  99.90,  -5.05,   0.09,
07/19 01Z,   0.30,  -4.78,  99.90,  -4.39,   0.09,
07/19 02Z,   0.30,  -3.88,  99.90,  -3.49,   0.09,
07/19 03Z,   0.40,  -2.93,  99.90,  -2.44,   0.09,
07/19 04Z,   0.30,  -2.06,  99.90,  -1.67,   0.09,
07/19 05Z,   0.30,  -1.44,  99.90,  -1.04,   0.09,
07/19 06Z,   0.40,  -1.34,  99.90,  -0.85,   0.09,  (max)
07/19 07Z,   0.40,  -1.96,  99.90,  -1.47,   0.09,
07/19 08Z,   0.30,  -3.29,  99.90,  -2.90,   0.09,
07/19 09Z,   0.20,  -5.10,  99.90,  -4.81,   0.09,
07/19 10Z,   0.20,  -7.11,  99.90,  -6.82,   0.09,
07/19 11Z,   0.30,  -8.92,  99.90,  -8.53,   0.09,
07/19 12Z,   0.30, -10.12,  99.90,  -9.73,   0.09,
07/19 13Z,   0.20, -10.52,  99.90, -10.23,   0.09,  (min)
07/19 14Z,   0.20, -10.21,  99.90,  -9.92,   0.09,
07/19 15Z,   0.20,  -9.46,  99.90,  -9.17,   0.09,
07/19 16Z,   0.20,  -8.42,  99.90,  -8.13,   0.09,
07/19 17Z,   0.20,  -7.21,  99.90,  -6.91,   0.09,
07/19 18Z,   0.20,  -5.98,  99.90,  -5.69,   0.09,
07/19 19Z,   0.20,  -4.96,  99.90,  -4.67,   0.09,
07/19 20Z,   0.20,  -4.28,  99.90,  -3.99,   0.09,
07/19 21Z,   0.20,  -3.94,  99.90,  -3.65,   0.09,
07/19 22Z,   0.20,  -3.92,  99.90,  -3.63,   0.09,  (max)
07/19 23Z,   0.20,  -4.12,  99.90,  -3.83,   0.09,
07/20 00Z,   0.20,  -4.27,  99.90,  -3.98,   0.09,  (min)
07/20 01Z,   0.20,  -4.12,  99.90,  -3.83,   0.09,
07/20 02Z,   0.20,  -3.62,  99.90,  -3.33,   0.09,
07/20 03Z,   0.20,  -2.95,  99.90,  -2.65,   0.09,
07/20 04Z,   0.20,  -2.26,  99.90,  -1.97,   0.09,
07/20 05Z,   0.20,  -1.67,  99.90,  -1.38,   0.09,
07/20 06Z,   0.30,  -1.35,  99.90,  -0.96,   0.09,  (max)
07/20 07Z,   0.30,  -1.54,  99.90,  -1.15,   0.09,
07/20 08Z,   0.30,  -2.41,  99.90,  -2.02,   0.09,
07/20 09Z,   0.20,  -3.92,  99.90,  -3.63,   0.09,
07/20 10Z,   0.20,  -5.90,  99.90,  -5.61,   0.09,
07/20 11Z,   0.30,  -8.06,  99.90,  -7.67,   0.09,
07/20 12Z,   0.30,  -9.98,  99.90,  -9.58,   0.09,
07/20 13Z,   0.20, -11.20,  99.90, -10.91,   0.09,
07/20 14Z,   0.20, -11.53,  99.90, -11.24,   0.09,  (min)
07/20 15Z,   0.30, -11.11,  99.90, -10.72,   0.09,
07/20 16Z,   0.30, -10.19,  99.90,  -9.80,   0.09,
07/20 17Z,   0.20,  -8.95,  99.90,  -8.66,   0.09,
07/20 18Z,   0.20,  -7.47,  99.90,  -7.18,   0.09,
07/20 19Z,   0.30,  -5.94,  99.90,  -5.55,   0.09,
07/20 20Z,   0.30,  -4.58,  99.90,  -4.19,   0.09,
07/20 21Z,   0.20,  -3.54,  99.90,  -3.25,   0.09,
07/20 22Z,   0.20,  -2.94,  99.90,  -2.65,   0.09,
07/20 23Z,   0.30,  -2.80,  99.90,  -2.41,   0.09,  (max)
07/21 00Z,   0.30,  -3.02,  99.90,  -2.62,   0.09,
07/21 01Z,   0.30,  -3.27,  99.90,  -2.88,   0.09,  (min)
07/21 02Z,   0.30,  -3.25,  99.90,  -2.86,   0.09,
07/21 03Z,   0.30,  -2.92,  99.90,  -2.53,   0.09,
07/21 04Z,   0.30,  -2.43,  99.90,  -2.04,   0.09,
07/21 05Z,   0.30,  -1.95,  99.90,  -1.56,   0.09,
07/21 06Z,   0.40,  -1.56,  99.90,  -1.07,   0.09,
07/21 07Z,   0.40,  -1.44,  99.90,  -0.94,   0.09,  (max)
07/21 08Z,   0.30,  -1.79,  99.90,  -1.40,   0.09,
07/21 09Z,   0.30,  -2.80,  99.90,  -2.41,   0.09,
07/21 10Z,   0.30,  -4.43,  99.90,  -4.04,   0.09,
07/21 11Z,   0.30,  -6.54,  99.90,  -6.15,   0.09,
07/21 12Z,   0.30,  -8.84,  99.90,  -8.44,   0.09,
07/21 13Z,   0.30, -10.83,  99.90, -10.44,   0.09,
07/21 14Z,   0.30, -12.03,  99.90, -11.64,   0.09,
07/21 15Z,   0.30, -12.27,  99.90, -11.88,   0.09,  (min)
07/21 16Z,   0.30, -11.71,  99.90, -11.32,   0.09,
07/21 17Z,   0.30, -10.64,  99.90, -10.25,   0.09,
07/21 18Z,   0.30,  -9.19,  99.90,  -8.80,   0.09,
07/21 19Z,   0.30,  -7.47,  99.90,  -7.08,   0.09,
07/21 20Z,   0.30,  -5.67,  99.90,  -5.28,   0.09,
07/21 21Z,   0.30,  -4.04,  99.90,  -3.65,   0.09,
07/21 22Z,   0.30,  -2.79,  99.90,  -2.40,   0.09,
07/21 23Z,   0.30,  -2.09,  99.90,  -1.70,   0.09,
07/22 00Z,   0.30,  -2.00,  99.90,  -1.61,   0.09,