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Omaha Beach, Normandy, France · 10-day decision window (of a 16-day outlook)
Best amphibious-viable date (next 10 days): 2026-09-17 — MARGINAL (score 74.3/100),
waves 0.6ft,
moon 31.9% (Waxing Crescent)
Best moon among viable days (next 10 days): 2026-09-18 —
waves 0.7ft,
moon 42.2%
(First Quarter), rated MARGINAL
Daily outlook
Rows past the 10-day decision window (shaded) are shown for context but aren't eligible for the "best day" pick above.
| Date |
Rating |
Score |
Moon % |
Cloud |
Precip |
Wave (5mi out) |
Sun |
Wind |
| 2026-09-09 |
MARGINAL |
60.0 |
6.1%
Waning Crescent |
60% |
3% |
2.1ft
|
92.1% |
12.7 mph |
| 2026-09-10 |
MARGINAL |
55.5 |
2.1%
Waning Crescent |
81% |
10% |
0.9ft
|
77.8% |
11.3 mph |
| 2026-09-11 |
MARGINAL |
51.5 |
0.1%
New Moon |
80% |
48% |
0.9ft
|
82.4% |
9.9 mph |
| 2026-09-12 |
MARGINAL |
61.6 |
0.5%
New Moon |
49% |
2% |
0.7ft
|
93.7% |
7.3 mph |
| 2026-09-13 |
MARGINAL |
54.2 |
3.0%
Waxing Crescent |
93% |
10% |
0.9ft
|
83.5% |
9.2 mph |
| 2026-09-14 |
MARGINAL |
62.5 |
7.7%
Waxing Crescent |
59% |
0% |
0.7ft
|
94.6% |
9.0 mph |
| 2026-09-15 |
MARGINAL |
61.7 |
14.3%
Waxing Crescent |
70% |
0% |
1.4ft
|
85.8% |
16.8 mph |
| 2026-09-16 |
MARGINAL |
65.9 |
22.5%
Waxing Crescent |
51% |
16% |
1.4ft
|
95.5% |
8.6 mph |
| 2026-09-17 |
MARGINAL |
74.3 |
31.9%
Waxing Crescent |
22% |
12% |
0.6ft
|
95.9% |
8.4 mph |
| 2026-09-18 |
MARGINAL |
73.4 |
42.2%
First Quarter |
44% |
18% |
0.7ft
|
96.4% |
10.1 mph |
| 2026-09-19 |
MARGINAL |
72.3 |
52.8%
First Quarter |
78% |
7% |
1.0ft (est.)
|
96.9% |
8.3 mph |
| 2026-09-20 |
GO |
80.8 |
63.3%
Waxing Gibbous |
40% |
10% |
1.0ft (est.)
|
96.0% |
13.1 mph |
| 2026-09-21 |
GO |
83.0 |
73.2%
Waxing Gibbous |
42% |
15% |
1.0ft (est.)
|
97.7% |
14.6 mph |
| 2026-09-22 |
GO |
75.4 |
82.0%
Waxing Gibbous |
98% |
14% |
1.0ft (est.)
|
58.1% |
13.3 mph |
| 2026-09-23 |
GO |
87.0 |
89.4%
Waxing Gibbous |
46% |
18% |
1.0ft (est.)
|
98.1% |
18.6 mph |
| 2026-09-24 |
GO |
86.2 |
95.0%
Waxing Gibbous |
74% |
None |
1.0ft (est.)
|
96.3% |
14.9 mph |