Choose Date:
Archive:
Water Year
Loading...
ISSAQUAH CREEK - NEAR MOUTH
(
ISSW1
)
Forecasts for Water Year
2026
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2026-07-27
Issued:
2026-07-27
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
17
17
65
18
26
APR-JUL
14
14
62
14
23
APR-AUG
15
16
63
16
25
JAN-SEP
51
52
78
53
66
JAN-JUL
49
49
78
49
62
OCT-SEP
86
86
92
88
94
Experimental
HEFS with 15 days EQPF
Ensemble:
2026-07-27
Issued:
2026-07-27
Hide Forecast
APR-SEP
17
17
65
18
26
APR-JUL
14
14
62
14
23
APR-AUG
15
16
63
16
25
JAN-SEP
51
52
78
53
66
JAN-JUL
49
49
78
49
62
OCT-SEP
86
86
92
88
94
Reference
ESP with 0 Days QPF
Ensemble:
2026-07-27
Issued:
2026-07-27
Hide Forecast
APR-SEP
17
17
65
18
26
APR-JUL
14
14
62
14
23
APR-AUG
15
16
63
16
25
JAN-SEP
51
52
79
53
66
JAN-JUL
49
49
78
49
62
OCT-SEP
86
86
92
88
94
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 233, 291, 374, 418, 442, 70, , 74
ESP10, 234, 291, 374, 417, 442, 72, , 76
ESP10, 234, 291, 374, 418, 442, 75, , 79
ESP10, 234, 291, 374, 417, 442, 77, , 81
ESP10, 234, 291, 374, 417, 442, 79, , 83
ESP10, 234, 291, 374, 418, 442, 81, , 85
ESP10, 234, 291, 374, 417, 441, 84, , 88
ESP10, 234, 291, 374, 418, 442, 86, , 90
ESP10, 234, 291, 374, 418, 444, 88, , 92
ESP10, 233, 291, 374, 417, 443, 90, , 94
ESP10, 234, 291, 374, 417, 443, 92, , 96
ESP10, 233, 291, 374, 417, 442, 95, , 99
ESP10, 233, 291, 374, 417, 442, 97, , 101
ESP10, 233, 291, 373, 416, 442, 99, , 103
ESP10, 232, 291, 373, 416, 440, 101, , 105
ESP10, 231, 290, 370, 415, 440, 104, , 108
ESP10, 231, 289, 369, 415, 440, 106, , 110
ESP10, 231, 290, 371, 416, 440, 108, , 112
ESP10, 232, 290, 372, 416, 441, 110, , 114
ESP10, 231, 291, 372, 416, 441, 113, , 117
ESP10, 231, 290, 369, 415, 441, 115, , 119
ESP10, 231, 290, 367, 414, 440, 117, , 121
ESP10, 230, 289, 365, 414, 440, 119, , 123
ESP10, 232, 291, 370, 416, 441, 121, , 125
ESP10, 232, 292, 371, 418, 442, 124, , 128
ESP10, 231, 292, 369, 416, 441, 126, , 130
ESP10, 232, 293, 369, 416, 441, 128, , 132
ESP10, 233, 293, 369, 416, 441, 130, , 134
ESP10, 232, 291, 367, 415, 440, 133, , 137
ESP10, 231, 290, 365, 414, 440, 135, , 139
ESP10, 231, 290, 364, 413, 439, 137, , 141
ESP10, 231, 290, 364, 413, 439, 139, , 143
ESP10, 231, 290, 363, 413, 439, 141, , 145
ESP10, 232, 291, 366, 414, 441, 144, , 148
ESP10, 233, 291, 367, 414, 441, 146, , 150
ESP10, 233, 291, 367, 415, 442, 148, , 152
ESP10, 232, 291, 367, 415, 442, 150, , 154
ESP10, 232, 291, 366, 415, 442, 153, , 157
ESP10, 233, 291, 367, 416, 442, 155, , 159
ESP10, 232, 290, 365, 416, 442, 157, , 161
ESP10, 233, 291, 366, 416, 442, 159, , 163
ESP10, 234, 290, 365, 416, 442, 161, , 165
ESP10, 234, 291, 366, 416, 442, 164, , 168
ESP10, 234, 292, 368, 417, 442, 166, , 170
ESP10, 233, 290, 363, 415, 441, 168, , 172
ESP10, 233, 291, 364, 415, 441, 170, , 174
ESP10, 232, 290, 364, 414, 440, 173, , 177
ESP10, 233, 291, 366, 415, 441, 175, , 179
ESP10, 234, 291, 365, 415, 441, 177, , 181
ESP10, 234, 291, 365, 415, 442, 179, , 183
ESP10, 234, 291, 364, 415, 441, 182, , 186
ESP10, 233, 290, 363, 414, 441, 184, , 188
ESP10, 234, 291, 363, 415, 441, 186, , 190
ESP10, 236, 292, 365, 417, 442, 188, , 192
ESP10, 236, 291, 365, 416, 442, 190, , 194
ESP10, 236, 292, 365, 417, 442, 193, , 197
ESP10, 236, 291, 363, 416, 442, 195, , 199
ESP10, 236, 291, 363, 417, 442, 197, , 201
ESP10, 236, 291, 364, 417, 444, 199, , 203
ESP10, 234, 290, 360, 415, 442, 202, , 206
ESP10, 232, 288, 357, 413, 439, 204, , 208
ESP10, 232, 288, 357, 413, 440, 206, , 210
ESP10, 231, 287, 357, 413, 439, 208, , 212
ESP10, 229, 285, 356, 412, 437, 210, , 214
ESP10, 229, 285, 356, 412, 437, 213, , 217
ESP10, 229, 285, 356, 413, 437, 215, , 219
ESP10, 231, 287, 359, 415, 440, 217, , 221
ESP10, 229, 285, 356, 413, 438, 219, , 223
ESP10, 228, 284, 355, 413, 437, 222, , 226
ESP10, 227, 283, 355, 412, 436, 224, , 228
ESP10, 228, 284, 355, 413, 437, 226, , 230
ESP10, 228, 284, 355, 412, 436, 228, , 232
ESP10, 228, 284, 354, 412, 436, 230, , 234
ESP10, 229, 284, 355, 413, 437, 233, , 237
ESP10, 230, 285, 355, 413, 438, 235, , 239
ESP10, 231, 285, 354, 412, 437, 237, , 241
ESP10, 231, 286, 354, 412, 437, 239, , 243
ESP10, 230, 286, 353, 411, 437, 242, , 246
ESP10, 229, 286, 353, 410, 436, 244, , 248
ESP10, 230, 286, 352, 409, 435, 246, , 250
ESP10, 233, 289, 354, 412, 438, 248, , 252
ESP10, 234, 290, 355, 413, 439, 251, , 255
ESP10, 236, 290, 356, 415, 440, 253, , 257
ESP10, 238, 291, 356, 416, 441, 255, , 259
ESP10, 236, 290, 356, 415, 440, 257, , 261
ESP10, 235, 290, 355, 415, 439, 259, , 263
ESP10, 237, 292, 357, 417, 440, 262, , 266
ESP10, 237, 291, 358, 416, 442, 264, , 268
ESP10, 237, 291, 359, 418, 442, 266, , 270
ESP10, 237, 291, 360, 418, 442, 268, , 272
ESP10, 237, 292, 361, 418, 442, 271, , 275
ESP10, 235, 290, 360, 417, 441, 273, , 277
ESP10, 234, 289, 359, 416, 440, 275, , 279
ESP10, 239, 294, 363, 422, 445, 277, , 281
ESP10, 238, 293, 363, 421, 445, 279, , 283
ESP10, 236, 293, 362, 420, 444, 282, , 286
ESP10, 237, 294, 363, 420, 445, 284, , 288
ESP10, 238, 295, 364, 421, 446, 286, , 290
ESP10, 238, 295, 363, 421, 446, 288, , 292
ESP10, 238, 297, 364, 421, 446, 291, , 295
ESP10, 238, 298, 365, 421, 446, 293, , 297
ESP10, 241, 303, 367, 423, 448, 295, , 299
ESP10, 242, 304, 368, 424, 448, 297, , 301
ESP10, 243, 305, 369, 424, 449, 299, , 303
ESP10, 244, 304, 369, 425, 449, 302, , 306
ESP10, 242, 303, 370, 424, 448, 304, , 308
ESP10, 242, 302, 370, 424, 447, 306, , 310
ESP10, 242, 303, 370, 425, 447, 308, , 312
ESP10, 243, 304, 371, 427, 448, 311, , 315
ESP10, 246, 306, 373, 429, 452, 313, , 317
ESP10, 245, 304, 372, 428, 451, 315, , 319
ESP10, 247, 306, 375, 431, 454, 317, , 321
ESP10, 247, 305, 375, 430, 455, 320, , 324
ESP10, 251, 310, 379, 434, 459, 322, , 326
ESP10, 249, 309, 378, 433, 457, 324, , 328
ESP10, 244, 306, 375, 428, 454, 326, , 330
ESP10, 242, 305, 373, 426, 452, 328, , 332
ESP10, 242, 310, 376, 426, 453, 331, , 335
ESP10, 244, 312, 379, 430, 455, 333, , 337
ESP10, 244, 311, 381, 429, 454, 335, , 339
ESP10, 254, 323, 395, 443, 464, 337, , 341
ESP10, 252, 321, 394, 441, 462, 340, , 344
ESP10, 248, 317, 394, 438, 459, 342, , 346
ESP10, 252, 317, 394, 441, 460, 344, , 348
ESP10, 260, 319, 395, 443, 462, 346, , 350
ESP10, 263, 320, 393, 444, 463, 348, , 352
ESP10, 261, 314, 388, 440, 459, 351, , 355
ESP10, 267, 320, 393, 448, 467, 353, , 357
ESP10, 268, 317, 391, 447, 465, 355, , 359
ESP10, 273, 322, 395, 451, 470, 357, , 361
ESP10, 275, 323, 396, 453, 478, 360, , 364
ESP10, 278, 326, 398, 456, 486, 362, , 366
ESP10, 270, 319, 389, 448, 478, 364, , 368
ESP10, 271, 324, 390, 450, 480, 366, , 370
ESP10, 269, 324, 387, 453, 477, 368, , 372
ESP10, 262, 315, 378, 447, 467, 371, , 375
ESP10, 262, 316, 378, 447, 468, 373, , 377
ESP10, 268, 326, 389, 457, 476, 375, , 379
ESP10, 259, 314, 374, 445, 464, 377, , 381
ESP10, 264, 319, 381, 452, 470, 380, , 384
ESP10, 259, 317, 373, 444, 464, 382, , 386
ESP10, 265, 324, 382, 450, 470, 384, , 388
ESP10, 264, 323, 380, 450, 467, 386, , 390
ESP10, 273, 337, 389, 462, 481, 389, , 393
ESP10, 277, 340, 392, 466, 484, 391, , 395
ESP10, 284, 345, 399, 470, 488, 393, , 397
ESP10, 283, 339, 400, 464, 483, 395, , 399
ESP10, 284, 336, 397, 464, 481, 397, , 401
ESP10, 284, 336, 392, 458, 477, 400, , 404
ESP10, 282, 335, 390, 454, 475, 402, , 406
ESP10, 284, 339, 395, 456, 481, 404, , 408
ESP10, 277, 329, 389, 448, 475, 406, , 410
ESP10, 275, 329, 391, 444, 473, 409, , 413
ESP10, 262, 319, 382, 433, 463, 411, , 415
ESP10, 248, 307, 372, 423, 452, 413, , 417
ESP10, 240, 295, 361, 413, 439, 415, , 419
ESP10, 223, 276, 347, 398, 421, 417, , 421
ESP10, 229, 284, 353, 407, 427, 420, , 424
ESP10, 211, 267, 342, 391, 412, 422, , 426
ESP10, 232, 289, 364, 414, 434, 424, , 428
ESP10, 231, 293, 364, 412, 433, 426, , 430
ESP10, 231, 293, 363, 415, 432, 429, , 433
ESP10, 231, 287, 356, 412, 426, 431, , 435
ESP10, 221, 274, 345, 399, 419, 433, , 437
ESP10, 225, 275, 347, 397, 427, 435, , 439
ESP10, 219, 266, 340, 392, 419, 438, , 442
ESP10, 209, 258, 333, 386, 413, 440, , 444
ESP10, 205, 259, 331, 384, 413, 442, , 446
ESP10, 201, 263, 328, 382, 410, 444, , 448
ESP10, 202, 263, 330, 383, 412, 446, , 450
ESP10, 215, 264, 331, 389, 416, 449, , 453
ESP10, 220, 262, 334, 388, 415, 451, , 455
ESP10, 232, 272, 336, 386, 421, 453, , 457
ESP10, 221, 267, 327, 374, 410, 455, , 459
ESP10, 224, 273, 329, 375, 405, 458, , 462
ESP10, 239, 294, 349, 392, 419, 460, , 464
ESP10, 230, 280, 330, 376, 405, 462, , 466
ESP10, 250, 293, 350, 398, 416, 464, , 468
ESP10, 275, 315, 368, 418, 439, 466, , 470
ESP10, 288, 323, 368, 421, 443, 469, , 473
ESP10, 291, 321, 371, 416, 437, 471, , 475
ESP10, 296, 326, 373, 424, 438, 473, , 477
ESP10, 297, 330, 382, 426, 445, 475, , 479
ESP10, 301, 337, 395, 433, 449, 478, , 482
ESP10, 299, 337, 402, 438, 450, 480, , 484
ESP10, 300, 344, 406, 441, 452, 482, , 486
ESP10, 293, 339, 407, 440, 451, 484, , 488
ESP10, 299, 349, 416, 442, 453, 486, , 490
ESP10, 285, 348, 409, 440, 452, 489, , 493
ESP10, 273, 337, 400, 437, 449, 491, , 495
ESP10, 280, 340, 399, 429, 443, 493, , 497
ESP10, 338, 396, 452, 480, 492, 495, , 499
ESP10, 336, 396, 451, 479, 491, 498, , 502
ESP10, 362, 409, 460, 484, 495, 500, , 504
ESP10, 379, 421, 466, 484, 495, 502, , 506
ESP10, 384, 422, 465, 481, 492, 504, , 508
ESP10, 379, 414, 462, 478, 489, 507, , 511
ESP10, 383, 422, 464, 479, 490, 509, , 513
ESP10, 390, 421, 461, 477, 488, 511, , 515
ESP10, 399, 424, 462, 477, 488, 513, , 517
ESP10, 405, 431, 461, 475, 486, 515, , 519
ESP10, 402, 435, 458, 474, 485, 518, , 522
ESP10, 396, 435, 455, 469, 480, 520, , 524
ESP10, 386, 432, 451, 465, 476, 522, , 526
ESP10, 393, 437, 454, 465, 476, 524, , 528
ESP10, 387, 430, 449, 460, 470, 527, , 531
ESP10, 391, 429, 452, 460, 470, 529, , 533
ESP10, 404, 432, 454, 463, 471, 531, , 535
ESP10, 394, 422, 443, 452, 461, 533, , 537
ESP10, 392, 422, 443, 453, 461, 535, , 539
ESP10, 391, 422, 444, 452, 461, 538, , 542
ESP10, 396, 427, 445, 455, 463, 540, , 544
ESP10, 396, 429, 446, 456, 466, 542, , 546
ESP10, 397, 429, 448, 457, 467, 544, , 548
ESP10, 401, 431, 449, 459, 468, 547, , 551
ESP10, 402, 433, 452, 459, 469, 549, , 553
ESP10, 402, 433, 452, 460, 469, 551, , 555
ESP10, 405, 435, 452, 461, 468, 553, , 557
ESP10, 403, 434, 452, 461, 468, 555, , 559
ESP10, 406, 435, 453, 462, 469, 558, , 562
ESP10, 407, 435, 454, 462, 470, 560, , 564
ESP10, 406, 435, 453, 462, 470, 562, , 566
ESP10, 420, 445, 464, 473, 479, 564, , 568
ESP10, 412, 442, 462, 471, 477, 567, , 571
ESP10, 413, 442, 462, 471, 477, 569, , 573
ESP10, 422, 446, 465, 473, 479, 571, , 575
ESP10, 418, 444, 464, 472, 477, 573, , 577
ESP10, 422, 445, 465, 473, 478, 576, , 580
ESP10, 426, 447, 465, 473, 479, 578, , 582
ESP10, 428, 447, 462, 471, 475, 580, , 584
ESP10, 421, 446, 460, 469, 474, 582, , 586
ESP10, 434, 448, 460, 469, 475, 584, , 588
ESP10, 434, 449, 460, 469, 475, 587, , 591
ESP10, 437, 451, 462, 471, 476, 589, , 593
ESP10, 439, 453, 463, 471, 476, 591, , 595
ESP10, 442, 453, 463, 471, 476, 593, , 597
ESP10, 442, 454, 464, 471, 477, 596, , 600
ESP10, 442, 454, 463, 470, 475, 598, , 602
ESP10, 445, 457, 467, 472, 476, 600, , 604
ESP10, 448, 456, 467, 472, 475, 602, , 606
ESP10, 444, 454, 463, 470, 473, 604, , 608
ESP10, 447, 457, 466, 470, 473, 607, , 611
ESP10, 448, 459, 466, 471, 475, 609, , 613
ESP10, 448, 459, 466, 472, 475, 611, , 615
ESP10, 447, 459, 466, 470, 473, 613, , 617
ESP10, 445, 458, 464, 469, 472, 616, , 620
ESP10, 448, 461, 467, 471, 475, 618, , 622
ESP10, 446, 461, 465, 470, 474, 620, , 624
ESP10, 443, 458, 462, 467, 471, 622, , 626
ESP10, 439, 454, 458, 463, 467, 624, , 628
ESP10, 418, 433, 438, 442, 446, 627, , 631
ESP10, 429, 444, 449, 454, 457, 629, , 633
ESP10, 431, 446, 450, 456, 458, 631, , 635
ESP10, 423, 438, 442, 449, 451, 633, , 637
ESP10, 424, 438, 444, 449, 452, 636, , 640
ESP10, 425, 439, 444, 450, 452, 638, , 642
ESP10, 427, 441, 446, 452, 455, 640, , 644
ESP10, 428, 441, 447, 452, 455, 642, , 646
ESP10, 429, 442, 447, 453, 456, 645, , 649
ESP10, 429, 442, 448, 453, 456, 647, , 651
ESP10, 429, 443, 448, 454, 456, 649, , 653
ESP10, 429, 443, 447, 453, 456, 651, , 655
ESP10, 429, 443, 447, 453, 456, 653, , 657
ESP10, 432, 445, 449, 456, 458, 656, , 660
ESP10, 434, 447, 451, 458, 460, 658, , 662
ESP10, 433, 447, 451, 457, 459, 660, , 664
ESP10, 433, 447, 451, 457, 460, 662, , 666
ESP10, 433, 447, 451, 457, 459, 665, , 669
ESP10, 434, 448, 452, 458, 460, 667, , 671
ESP10, 434, 448, 452, 457, 460, 669, , 673
ESP10, 436, 448, 452, 458, 460, 671, , 675
ESP10, 436, 448, 452, 458, 460, 673, , 677
ESP10, 436, 448, 452, 458, 460, 676, , 680
ESP10, 437, 448, 452, 458, 460, 678, , 682
ESP10, 438, 448, 452, 457, 460, 680, , 684
ESP10, 439, 448, 453, 458, 460, 682, , 686
ESP10, 439, 448, 453, 458, 460, 685, , 689
ESP10, 439, 449, 453, 458, 460, 687, , 691
ESP10, 439, 449, 453, 458, 461, 689, , 693
ESP10, 439, 449, 453, 458, 461, 691, , 695
ESP10, 439, 449, 453, 458, 461, 693, , 697
ESP10, 437, 447, 452, 457, 459, 696, , 700
ESP10, 430, 440, 445, 450, 453, 698, , 702
ESP10, 430, 440, 445, 451, 453, 700, , 704
ESP10, 430, 440, 445, 450, 452, 702, , 706
ESP10, 430, 441, 445, 450, 453, 705, , 709
ESP10, 430, 441, 445, 451, 453, 707, , 711
ESP10, 430, 441, 446, 451, 453, 709, , 713
ESP10, 430, 441, 445, 451, 453, 711, , 715
ESP10, 430, 441, 445, 451, 453, 714, , 718
ESP10, 430, 441, 446, 451, 453, 716, , 720
ESP10, 431, 441, 446, 451, 453, 718, , 722
ESP10, 431, 441, 446, 451, 453, 720, , 724
ESP10, 431, 441, 446, 451, 453, 722, , 726
ESP10, 431, 442, 446, 451, 453, 725, , 729
ESP10, 431, 442, 446, 451, 453, 727, , 731
ESP10, 431, 442, 446, 451, 453, 729, , 733
ESP10, 431, 442, 446, 451, 453, 731, , 735
ESP10, 431, 442, 446, 451, 453, 734, , 738
Max Scale
Scale To Data
Scale To Last 45 Days
Show Min/Max Ensemble Volume
Show Tooltips Help
Overlay
ESP10
HEFS
ESP0
Data Files
/chpsesp/ensemble/natural/ISSW1N_SQIN.ESPF10.csv
ISSW1N_SQIN.ESPF0.csv|2026-07-27
ISSW1N_SQIN.ESPF10.csv|2026-07-27
ISSW1N_SQIN.ESPFM.csv|2026-07-27
APR-SEP
ISSAQUAH CREEK - NEAR MOUTH
(
ISSW1
)
Forecasts for Water Year
2027
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2026-07-27
Issued:
2026-07-27
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
17
23
88
32
26
APR-JUL
14
20
87
27
23
APR-AUG
16
22
88
29
25
JAN-SEP
46
69
104
89
66
JAN-JUL
43
65
104
85
62
OCT-SEP
64
95
101
121
94
Move the mouse over the desired "Forecast Period" to display a graph.
Max Scale
Scale To Data
Scale To Last 45 Days
Show Min/Max Ensemble Volume
Show Tooltips Help
Overlay
ESP10
Data Files
/chpsesp/ensemble/natural/ISSW1N_SQIN.ESPF10.csv
ISSW1N_SQIN.ESPF0.csv|2026-07-27
ISSW1N_SQIN.ESPF10.csv|2026-07-27
ISSW1N_SQIN.ESPFM.csv|2026-07-27
APR-SEP
Commerce Home
|
NOAA
|
NWS Organization
|
NWRFC Site Map
|
Search
Freedom of Information Act
|
Privacy Policy
|
Information Quality
|
USA.gov
|
Career Opportunities
#FFF68F
#33CCFF
#404040
#660066
#F00007
#66CCFF
ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
Last Forecast