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
Cherry Point, WA
Friday Harbor WA
Port Townsend
Seattle, WA
Port Angeles, WA
Neah Bay, WA
Toke Point, WA
Astoria, OR
South Beach, OR
Charleston, OR
Port Orford, OR
Crescent City, CA
North Spit, CA
Arena Cove, CA
Point Reyes, CA
Port Chicago, CA
San Francisco CA
Surge List
West Coast
#Boston, MA : 12/13/2025 16:21:42 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
12/12 00Z,  -0.30,  -6.07,  -6.06,  99.90,   0.31,
12/12 01Z,  -0.40,  -8.19,  -8.19,  99.90,   0.40,
12/12 02Z,  -0.60, -10.32, -10.27,  99.90,   0.65,
12/12 03Z,  -0.70, -11.74, -12.04,  99.90,   0.40,
12/12 04Z,  -0.70, -11.92, -12.27,  99.90,   0.35,  (min)
12/12 05Z,  -0.70, -11.07, -11.49,  99.90,   0.28,
12/12 06Z,  -0.70,  -9.59, -10.11,  99.90,   0.18,
12/12 07Z,  -0.70,  -7.60,  -8.36,  99.90,  -0.06,
12/12 08Z,  -0.70,  -5.49,  -6.30,  99.90,  -0.11,
12/12 09Z,  -0.80,  -3.95,  -4.68,  99.90,   0.07,
12/12 10Z,  -0.90,  -3.41,  -4.15,  99.90,   0.16,  (max)
12/12 11Z,  -1.00,  -3.85,  -4.64,  99.90,   0.21,
12/12 12Z,  -1.00,  -5.04,  -5.82,  99.90,   0.22,
12/12 13Z,  -1.10,  -6.78,  -7.60,  99.90,   0.28,
12/12 14Z,  -1.10,  -8.81,  -9.52,  99.90,   0.39,
12/12 15Z,  -1.20, -10.55, -11.23,  99.90,   0.52,
12/12 16Z,  -1.30, -11.26, -12.43,  99.90,   0.13,  (min)
12/12 17Z,  -1.30, -10.87, -11.91,  99.90,   0.26,
12/12 18Z,  -1.20,  -9.76, -10.72,  99.90,   0.24,
12/12 19Z,  -1.20,  -8.13,  -9.13,  99.90,   0.20,
12/12 20Z,  -1.20,  -6.16,  -7.53,  99.90,  -0.17,
12/12 21Z,  -1.20,  -4.47,  -5.87,  99.90,  -0.20,
12/12 22Z,  -1.20,  -3.62,  -4.67,  99.90,   0.15,  (max)
12/12 23Z,  -1.20,  -3.76,  -4.81,  99.90,   0.15,
12/13 00Z,  -1.20,  -4.71,  -5.86,  99.90,   0.05,
12/13 01Z,  -1.10,  -6.25,  -7.45,  99.90,  -0.10,
12/13 02Z,  -1.10,  -8.19,  -9.07,  99.90,   0.22,
12/13 03Z,  -1.00, -10.15, -10.69,  99.90,   0.46,
12/13 04Z,  -0.90, -11.38, -11.92,  99.90,   0.36,
12/13 05Z,  -0.70, -11.46, -12.00,  99.90,   0.16,  (min)
12/13 06Z,  -0.70, -10.65, -10.91,  99.90,   0.44,
12/13 07Z,  -0.50,  -9.23,  -9.46,  99.90,   0.27,
12/13 08Z,  -0.40,  -7.30,  -7.58,  99.90,   0.12,
12/13 09Z,  -0.30,  -5.28,  -5.72,  99.90,  -0.14,
12/13 10Z,  -0.10,  -3.88,  -4.16,  99.90,  -0.18,
12/13 11Z,   0.00,  -3.43,  -3.76,  99.90,  -0.33,  (max)
12/13 12Z,   0.00,  -3.90,  -4.21,  99.90,  -0.31,
12/13 13Z,   0.10,  -5.09,  -5.32,  99.90,  -0.33,
12/13 14Z,   0.10,  -6.80,  -6.89,  99.90,  -0.19,
12/13 15Z,   0.10,  -8.82,  -8.47,  99.90,   0.25,
12/13 16Z,   0.10, -10.51, -10.32,  99.90,   0.09,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
12/13 17Z,   0.00, -11.21,  99.90, -11.11,   0.10,  (min)
12/13 18Z,   0.00, -10.90,  99.90, -10.80,   0.10,
12/13 19Z,   0.00,  -9.91,  99.90,  -9.81,   0.10,
12/13 20Z,   0.00,  -8.35,  99.90,  -8.24,   0.11,
12/13 21Z,   0.10,  -6.42,  99.90,  -6.21,   0.11,
12/13 22Z,   0.00,  -4.79,  99.90,  -4.68,   0.11,
12/13 23Z,   0.00,  -3.99,  99.90,  -3.87,   0.11,  (max)
12/14 00Z,   0.00,  -4.10,  99.90,  -3.98,   0.12,
12/14 01Z,   0.00,  -4.97,  99.90,  -4.85,   0.12,
12/14 02Z,  -0.10,  -6.40,  99.90,  -6.37,   0.12,
12/14 03Z,  -0.10,  -8.23,  99.90,  -8.21,   0.13,
12/14 04Z,  -0.10, -10.05,  99.90, -10.02,   0.13,
12/14 05Z,  -0.10, -11.12,  99.90, -11.09,   0.13,  (min)
12/14 06Z,  -0.10, -11.10,  99.90, -11.07,   0.13,
12/14 07Z,  -0.10, -10.28,  99.90, -10.25,   0.13,
12/14 08Z,   0.00,  -8.86,  99.90,  -8.73,   0.13,
12/14 09Z,   0.00,  -6.92,  99.90,  -6.79,   0.13,
12/14 10Z,   0.00,  -4.98,  99.90,  -4.85,   0.13,
12/14 11Z,   0.00,  -3.71,  99.90,  -3.58,   0.13,
12/14 12Z,   0.00,  -3.39,  99.90,  -3.26,   0.13,  (max)
12/14 13Z,   0.10,  -3.94,  99.90,  -3.71,   0.13,
12/14 14Z,   0.20,  -5.17,  99.90,  -4.84,   0.13,
12/14 15Z,   0.20,  -6.94,  99.90,  -6.61,   0.13,
12/14 16Z,   0.30,  -8.99,  99.90,  -8.56,   0.13,
12/14 17Z,   0.30, -10.65,  99.90, -10.23,   0.13,
12/14 18Z,   0.30, -11.31,  99.90, -10.88,   0.13,  (min)
12/14 19Z,   0.40, -11.02,  99.90, -10.49,   0.13,
12/14 20Z,   0.40, -10.05,  99.90,  -9.52,   0.13,
12/14 21Z,   0.50,  -8.46,  99.90,  -7.83,   0.13,
12/14 22Z,   0.50,  -6.52,  99.90,  -5.89,   0.13,
12/14 23Z,   0.60,  -4.94,  99.90,  -4.21,   0.13,
12/15 00Z,   0.50,  -4.19,  99.90,  -3.56,   0.13,  (max)
12/15 01Z,   0.50,  -4.31,  99.90,  -3.68,   0.13,
12/15 02Z,   0.50,  -5.15,  99.90,  -4.52,   0.13,
12/15 03Z,   0.50,  -6.55,  99.90,  -5.92,   0.13,
12/15 04Z,   0.50,  -8.35,  99.90,  -7.72,   0.13,
12/15 05Z,   0.40, -10.07,  99.90,  -9.55,   0.13,
12/15 06Z,   0.30, -10.98,  99.90, -10.55,   0.13,  (min)
12/15 07Z,   0.40, -10.83,  99.90, -10.30,   0.13,
12/15 08Z,   0.40,  -9.93,  99.90,  -9.40,   0.13,
12/15 09Z,   0.40,  -8.43,  99.90,  -7.91,   0.13,
12/15 10Z,   0.40,  -6.46,  99.90,  -5.93,   0.13,
12/15 11Z,   0.50,  -4.60,  99.90,  -3.97,   0.13,
12/15 12Z,   0.50,  -3.48,  99.90,  -2.85,   0.13,
12/15 13Z,   0.50,  -3.32,  99.90,  -2.69,   0.13,  (max)
12/15 14Z,   0.50,  -4.00,  99.90,  -3.37,   0.13,
12/15 15Z,   0.60,  -5.35,  99.90,  -4.62,   0.13,
12/15 16Z,   0.50,  -7.23,  99.90,  -6.60,   0.13,
12/15 17Z,   0.50,  -9.34,  99.90,  -8.71,   0.13,
12/15 18Z,   0.50, -10.95,  99.90, -10.32,   0.13,
12/15 19Z,   0.40, -11.51,  99.90, -10.98,   0.13,  (min)
12/15 20Z,   0.40, -11.15,  99.90, -10.62,   0.13,
12/15 21Z,   0.40, -10.10,  99.90,  -9.57,   0.13,
12/15 22Z,   0.40,  -8.40,  99.90,  -7.87,   0.13,
12/15 23Z,   0.40,  -6.43,  99.90,  -5.90,   0.13,
12/16 00Z,   0.40,  -4.91,  99.90,  -4.38,   0.13,
12/16 01Z,   0.40,  -4.24,  99.90,  -3.71,   0.13,  (max)
12/16 02Z,   0.30,  -4.44,  99.90,  -4.01,   0.13,
12/16 03Z,   0.30,  -5.33,  99.90,  -4.91,   0.13,
12/16 04Z,   0.20,  -6.78,  99.90,  -6.45,   0.13,
12/16 05Z,   0.20,  -8.60,  99.90,  -8.27,   0.13,
12/16 06Z,   0.20, -10.22,  99.90,  -9.89,   0.13,
12/16 07Z,   0.10, -10.92,  99.90, -10.69,   0.13,  (min)
12/16 08Z,   0.10, -10.59,  99.90, -10.37,   0.13,
12/16 09Z,   0.20,  -9.56,  99.90,  -9.23,   0.13,
12/16 10Z,   0.20,  -7.93,  99.90,  -7.60,   0.13,
12/16 11Z,   0.20,  -5.91,  99.90,  -5.58,   0.13,
12/16 12Z,   0.20,  -4.15,  99.90,  -3.82,   0.13,
12/16 13Z,   0.30,  -3.23,  99.90,  -2.80,   0.13,  (max)
12/16 14Z,   0.30,  -3.27,  99.90,  -2.85,   0.13,
12/16 15Z,   0.20,  -4.15,  99.90,  -3.82,   0.13,
12/16 16Z,   0.20,  -5.68,  99.90,  -5.35,   0.13,
12/16 17Z,   0.20,  -7.70,  99.90,  -7.37,   0.13,
12/16 18Z,   0.20,  -9.85,  99.90,  -9.52,   0.13,
12/16 19Z,   0.20, -11.34,  99.90, -11.01,   0.13,
12/16 20Z,   0.20, -11.73,  99.90, -11.40,   0.13,  (min)
12/16 21Z,   0.30, -11.21,  99.90, -10.78,   0.13,
12/16 22Z,   0.40,  -9.99,  99.90,  -9.46,   0.13,
12/16 23Z,   0.30,  -8.15,  99.90,  -7.72,   0.13,
12/17 00Z,   0.20,  -6.16,  99.90,  -5.83,   0.13,
12/17 01Z,   0.20,  -4.73,  99.90,  -4.40,   0.13,
12/17 02Z,   0.10,  -4.21,  99.90,  -3.98,   0.13,  (max)
12/17 03Z,   0.00,  -4.55,  99.90,  -4.42,   0.13,
12/17 04Z,   0.00,  -5.57,  99.90,  -5.44,   0.13,
12/17 05Z,   0.00,  -7.13,  99.90,  -7.00,   0.13,
12/17 06Z,  -0.10,  -8.97,  99.90,  -8.95,   0.13,
12/17 07Z,  99.90, -10.46,  99.90,  99.90,   0.13,
12/17 08Z,  99.90, -10.91,  99.90,  99.90,   0.13,
12/17 09Z,  99.90, -10.35,  99.90,  99.90,   0.13,
12/17 10Z,  99.90,  -9.11,  99.90,  99.90,   0.13,
12/17 11Z,  99.90,  -7.33,  99.90,  99.90,   0.13,
12/17 12Z,  99.90,  -5.28,  99.90,  99.90,   0.13,