Overview Realtime Historical Map View
High Surf Warning
2026-11-14T12:00:00-08:00

* WHAT...Large waves and dangerous surf conditions. Breakers up to 30 to 35 feet. * WHERE...Clatsop County Coast and Central Coast of Oregon. * WHEN...From noon Friday to noon PST Saturday. * IMPACTS...Destructive waves may wash over beaches, jetties, and other structures unexpectedly. People can be swept off rocks and jetties and drown while observing high surf. Severe beach erosion may destroy coastal properties and buildings. Higher than normal water run-up is expected on beaches and low- lying shoreline. * ADDITIONAL DETAILS...The threat of sneaker waves is extreme during these scenarios. Sneaker waves can suddenly knock people off of their feet and quickly pull them into the frigid ocean which may lead to serious injury or drowning. The sneaker wave threat will peak Friday evening into Friday night.

Siletz River At Siletz, Or Historical Data

Historical Data


Streamflow Range


Date Average 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011
01-01 2413.58
01-02 2332.27
01-03 2692.91
01-04 2624.67
01-05 2799.42
01-06 2753.0
01-07 4046.75
01-08 3637.08
01-09 3492.73
01-10 3157.5
01-11 2919.17
01-12 3058.33
01-13 5656.36
01-14 3307.45
01-15 2497.18
01-16 2601.0
01-17 2294.62
01-18 2854.83
01-19 5365.92
01-20 4547.0
01-21 3320.67
01-22 3056.92
01-23 3381.17
01-24 3497.85
01-25 3759.17
01-26 2864.75
01-27 2626.85
01-28 3461.92
01-29 2994.54
01-30 2693.21
01-31 2263.86
02-01 2114.85
02-02 2076.31
02-03 1833.57
02-04 1690.71
02-05 1505.93
02-06 1903.62
02-07 2313.0
02-08 2496.25
02-09 2088.29
02-10 2516.38
02-11 2058.58
02-12 2189.62
02-13 2526.23
02-14 2475.0
02-15 2293.14
02-16 2827.85
02-17 2451.08
02-18 2619.69
02-19 2513.21
02-20 2027.69
02-21 2020.57
02-22 2111.57
02-23 2652.85
02-24 2331.23
02-25 2710.83
02-26 2214.62
02-27 1987.5
02-28 1835.86
02-29 2782.0
03-01 3024.31
03-02 2666.93
03-03 2387.07
03-04 2176.64
03-05 1911.57
03-06 2346.71
03-07 2170.0
03-08 1850.36
03-09 1856.86
03-10 2021.93
03-11 1843.71
03-12 2061.21
03-13 2670.36
03-14 3314.86
03-15 3139.29
03-16 3491.36
03-17 2588.36
03-18 2077.93
03-19 1927.53
03-20 1713.29
03-21 2067.33
03-22 2462.86
03-23 2027.0
03-24 1869.53
03-25 1854.73
03-26 1712.47
03-27 1660.4
03-28 1641.07
03-29 2269.13
03-30 2721.07
03-31 2567.64
04-01 2144.07
04-02 1915.53
04-03 1661.4
04-04 1496.47
04-05 1459.73
04-06 1479.07
04-07 1719.8
04-08 2222.33
04-09 2035.54
04-10 1980.27
04-11 1984.87
04-12 1996.07
04-13 1872.57
04-14 1858.07
04-15 1704.23
04-16 1714.0
04-17 1687.42
04-18 1533.54
04-19 1436.77
04-20 1472.77
04-21 1427.79
04-22 1343.07
04-23 1253.71
04-24 1507.93
04-25 1620.62
04-26 1412.64
04-27 1338.43
04-28 1270.93
04-29 1132.86
04-30 946.08
05-01 1111.0
05-02 952.36
05-03 1027.57
05-04 1191.73
05-05 1134.33
05-06 1039.27
05-07 1161.73
05-08 1044.0
05-09 1007.47
05-10 985.57
05-11 882.53
05-12 804.6
05-13 822.2
05-14 860.23
05-15 1044.54
05-16 1030.43
05-17 930.71
05-18 781.47
05-19 770.0
05-20 728.57
05-21 663.57
05-22 622.53
05-23 617.13
05-24 605.93
05-25 639.07
05-26 582.47
05-27 546.0
05-28 632.53
05-29 603.67
05-30 641.0
05-31 579.13
06-01 518.53
06-02 475.4
06-03 452.6
06-04 419.67
06-05 447.77
06-06 480.77
06-07 443.07
06-08 428.07
06-09 453.73
06-10 539.6
06-11 621.67
06-12 604.0
06-13 537.36
06-14 559.5
06-15 475.4
06-16 499.13
06-17 503.07
06-18 458.2
06-19 434.79
06-20 402.93
06-21 381.86
06-22 363.0
06-23 339.93
06-24 318.71
06-25 313.29
06-26 306.57
06-27 306.71
06-28 331.71
06-29 324.29
06-30 296.57
07-01 280.01
07-02 263.18
07-03 248.99
07-04 234.68
07-05 222.15
07-06 215.12
07-07 212.66
07-08 205.83
07-09 198.31
07-10 208.13
07-11 210.42
07-12 193.11
07-13 185.66
07-14 174.77
07-15 168.76
07-16 162.75
07-17 164.21
07-18 164.22
07-19 157.13
07-20 150.79
07-21 150.37
07-22 150.19
07-23 145.7
07-24 142.99
07-25 141.91
07-26 132.75
07-27 128.22
07-28 124.32
07-29 120.56
07-30 120.76
07-31 113.06
08-01 107.65
08-02 107.26
08-03 106.49
08-04 104.79
08-05 102.71
08-06 102.33
08-07 101.37
08-08 104.04
08-09 102.99
08-10 101.62
08-11 96.41
08-12 94.03
08-13 95.33
08-14 91.73
08-15 89.68
08-16 91.89
08-17 99.16
08-18 90.25
08-19 85.59
08-20 84.96
08-21 83.34
08-22 81.61
08-23 81.5
08-24 82.14
08-25 78.92
08-26 76.97
08-27 76.74
08-28 81.36
08-29 76.41
08-30 79.03
08-31 86.78
09-01 80.57
09-02 78.34
09-03 81.19
09-04 93.05
09-05 85.82
09-06 81.01
09-07 93.16
09-08 80.95
09-09 78.49
09-10 82.39
09-11 77.3
09-12 73.32
09-13 73.14
09-14 74.67
09-15 74.3
09-16 81.23
09-17 100.71
09-18 129.56
09-19 175.17
09-20 149.01
09-21 146.44
09-22 111.39
09-23 128.58
09-24 151.69
09-25 145.03
09-26 226.31
09-27 150.02
09-28 180.08
09-29 686.43
09-30 1241.82
10-01 542.15
10-02 448.98
10-03 375.99
10-04 283.7
10-05 243.55
10-06 323.26
10-07 252.74
10-08 342.25
10-09 264.59
10-10 294.81
10-11 316.88
10-12 477.81
10-13 469.46
10-14 1284.27
10-15 670.77
10-16 970.37
10-17 663.03
10-18 708.77
10-19 753.31
10-20 884.24
10-21 814.39
10-22 1511.52
10-23 1545.46
10-24 927.35
10-25 935.23
10-26 903.83
10-27 1084.4
10-28 1034.43
10-29 1473.87
10-30 1449.47
10-31 1580.43
11-01 1177.36
11-02 1583.4
11-03 1300.29
11-04 1132.0
11-05 2565.73
11-06 1938.29
11-07 2047.57
11-08 1756.43
11-09 1439.0
11-10 1326.64
11-11 1250.86
11-12 1987.62
11-13 2412.38
11-14 2014.64
11-15 2351.0
11-16 2270.93
11-17 1888.54
11-18 1721.23
11-19 2061.54
11-20 3184.86
11-21 2293.5
11-22 2476.54
11-23 2292.69
11-24 2196.92
11-25 3125.54
11-26 2558.0
11-27 2172.33
11-28 2272.5
11-29 2396.86
11-30 1926.93
12-01 1982.64
12-02 1964.29
12-03 2258.15
12-04 2933.79
12-05 3285.86
12-06 3790.15
12-07 2682.77
12-08 3396.29
12-09 3234.21
12-10 3844.86
12-11 3989.21
12-12 4185.14
12-13 2720.85
12-14 2334.58
12-15 1844.15
12-16 2035.92
12-17 4165.67
12-18 2267.55
12-19 5212.92
12-20 3992.25
12-21 6968.58
12-22 4875.0
12-23 3376.31
12-24 2875.15
12-25 2690.23
12-26 2547.0
12-27 3169.92
12-28 3471.55
12-29 3568.92
12-30 3311.27
12-31 3033.17

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index