Ocean Shores, Washington · field elev 15 ft
Density Altitude at Ocean Shores Municipal (W04)
Ocean Shores Municipal sits at 15 ft, and even a typical August afternoon (68 °F) only lifts density altitude to about 630 ft — heat still trims performance, but the field rarely turns high-and-hot.
Typical density altitude by month
| Month | Avg temp °F | DA at avg temp | Afternoon high °F | DA on a typical afternoon |
|---|---|---|---|---|
| January | 42.8 | −1,051 ft | 47.5 | −731 ft |
| February | 43.6 | −996 ft | 49.6 | −589 ft |
| March | 45.8 | −846 ft | 52.2 | −415 ft |
| April | 48.7 | −650 ft | 55.6 | −188 ft |
| May | 53.4 | −335 ft | 60.1 | 109 ft |
| June | 57.1 | −89 ft | 63.4 | 325 ft |
| July | 60.3 | 122 ft | 67.0 | 559 ft |
| August | 61.0 | 168 ft | 68.1 | 630 ft |
| September | 59.1 | 43 ft | 67.0 | 559 ft |
| October | 52.5 | −395 ft | 59.5 | 70 ft |
| November | 45.9 | −840 ft | 51.6 | −455 ft |
| December | 42.0 | −1,106 ft | 46.7 | −785 ft |
▲ above 5,000 ft · ⚠ above 8,000 ft. These are planning references at standard pressure and dry air — afternoon humidity and low pressure both push the real number higher. Run today's values below.
Run today’s numbers for W04
DENSITY ALTITUDE
Field elevation 15 ft — the air behaves like 623 ft.
- PRESSURE ALT
- 16 ft
- ISA DEVIATION
- —
- RULE-OF-THUMB DA
- —
- AIR DENSITY INDEX
- —
- AIR DENSITY
- —
- WATER · GRAINS/LB
- —
For training and reference · verify with official sources and your POH before flight · no tool on this site renders a go / no-go judgment
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Copalis · elev 1 ft
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- 7W1 — Port Of Ilwaco
Ilwaco · elev 13 ft
- KSHN — Sanderson Field
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- 8W9 — R & K Skyranch
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- KOLM — Olympia Regional
Olympia · elev 208 ft
Frequently asked questions
How high does density altitude get at W04 in summer?
On a typical August afternoon — around 68 °F at the nearest NOAA normals station — density altitude at Ocean Shores Municipal reaches roughly 630 ft at standard pressure. Hotter-than-normal days, low pressure, and humidity all push it higher, so run the day's actual numbers before flying.
What is the density altitude at W04 on an average day?
It swings with the seasons: from roughly −1,106 ft at the coldest month's average temperature to about 168 ft at the warmest month's — all from a constant field elevation of 15 ft. The month-by-month table above carries the full year.
What is the field elevation of Ocean Shores Municipal?
15 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is W04 (FAA), in Ocean Shores, Washington.