France · Europe
Utah Beach, Normandy
Which days in December 2026 would work for a D-Day style landing here? Each day is rated
GO, MARGINAL or NO-GO on the things the 1944 planners needed: calm seas, moonlight for the airborne drop,
low tide at dawn and light winds.
Best day to land
Tuesday Dec 29
! MARGINAL73/100
🌖 76% moon ·
2.3 ft waves
· low tide 07:18
Climate outlook
Next GO day
None
No GO days left in December 2026.
Days this month
0 ✓ GO21 ! MARGINAL10 ✕ NO-GO
Tides here
15.4 ft
Average daily range. Big enough that dawn low-tide timing is scored.
December 2026
✓ GO! MARGINAL✕ NO-GO
1
OUTLOOK
! MARGINAL 70
🌖 61%
🌊 2ft
2
OUTLOOK
! MARGINAL 58
🌗 51%
🌊 2ft
3
OUTLOOK
✕ NO-GO 44
🌘 40%
🌊 3ft
4
OUTLOOK
✕ NO-GO 40
🌘 30%
🌊 3ft
5
OUTLOOK
✕ NO-GO 40
🌘 21%
🌊 2ft
6
OUTLOOK
✕ NO-GO 38
🌘 13%
🌊 2ft
7
OUTLOOK
✕ NO-GO 38
🌘 7%
🌊 3ft
8
OUTLOOK
✕ NO-GO 38
🌘 2%
🌊 2ft
9
OUTLOOK
✕ NO-GO 38
🌑 0%
🌊 2ft
10
OUTLOOK
✕ NO-GO 42
🌑 0%
🌊 2ft
11
OUTLOOK
✕ NO-GO 46
🌒 3%
🌊 2ft
12
OUTLOOK
✕ NO-GO 49
🌒 7%
🌊 2ft
13
OUTLOOK
! MARGINAL 53
🌒 14%
🌊 2ft
14
OUTLOOK
! MARGINAL 56
🌒 22%
🌊 2ft
15
OUTLOOK
! MARGINAL 58
🌒 31%
🌊 2ft
16
OUTLOOK
! MARGINAL 59
🌓 41%
🌊 2ft
17
OUTLOOK
! MARGINAL 64
🌓 52%
🌊 2ft
18
OUTLOOK
! MARGINAL 70
🌔 62%
🌊 2ft
19
OUTLOOK
! MARGINAL 61
🌔 72%
🌊 2ft
20
OUTLOOK
! MARGINAL 61
🌔 81%
🌊 2ft
21
OUTLOOK
! MARGINAL 61
🌔 89%
🌊 2ft
22
OUTLOOK
! MARGINAL 62
🌔 95%
🌊 2ft
23
OUTLOOK
! MARGINAL 64
🌔 98%
🌊 2ft
24
OUTLOOK
! MARGINAL 64
🌕 100%
🌊 2ft
25
OUTLOOK
! MARGINAL 65
🌕 99%
🌊 2ft
26
OUTLOOK
! MARGINAL 67
🌖 96%
🌊 2ft
27
OUTLOOK
! MARGINAL 69
🌖 92%
🌊 2ft
28
OUTLOOK
! MARGINAL 72
🌖 85%
🌊 2ft
29
OUTLOOK
! MARGINAL 73
🌖 76%
🌊 2ft
30
OUTLOOK
! MARGINAL 65
🌖 67%
🌊 2ft
31
OUTLOOK
! MARGINAL 56
🌗 56%
🌊 2ft
REC recorded weather for past days · FCST live forecast ·
OUTLOOK beyond the forecast: scored against the same week in past years, with this year's real moon and tides.
Select a day for the full breakdown.
Daily score
Dashed lines mark the GO (75) and MARGINAL (50) thresholds. Faded bars are past days.
0
50
75
100
Tue Dec 1: MARGINAL, 70/100 (Climate outlook)
1
Wed Dec 2: MARGINAL, 58/100 (Climate outlook)
Thu Dec 3: NO-GO, 44/100 (Climate outlook)
Fri Dec 4: NO-GO, 40/100 (Climate outlook)
Sat Dec 5: NO-GO, 40/100 (Climate outlook)
5
Sun Dec 6: NO-GO, 38/100 (Climate outlook)
Mon Dec 7: NO-GO, 38/100 (Climate outlook)
Tue Dec 8: NO-GO, 38/100 (Climate outlook)
Wed Dec 9: NO-GO, 38/100 (Climate outlook)
Thu Dec 10: NO-GO, 42/100 (Climate outlook)
10
Fri Dec 11: NO-GO, 46/100 (Climate outlook)
Sat Dec 12: NO-GO, 49/100 (Climate outlook)
Sun Dec 13: MARGINAL, 53/100 (Climate outlook)
Mon Dec 14: MARGINAL, 56/100 (Climate outlook)
Tue Dec 15: MARGINAL, 58/100 (Climate outlook)
15
Wed Dec 16: MARGINAL, 59/100 (Climate outlook)
Thu Dec 17: MARGINAL, 64/100 (Climate outlook)
Fri Dec 18: MARGINAL, 70/100 (Climate outlook)
Sat Dec 19: MARGINAL, 61/100 (Climate outlook)
Sun Dec 20: MARGINAL, 61/100 (Climate outlook)
20
Mon Dec 21: MARGINAL, 61/100 (Climate outlook)
Tue Dec 22: MARGINAL, 62/100 (Climate outlook)
Wed Dec 23: MARGINAL, 64/100 (Climate outlook)
Thu Dec 24: MARGINAL, 64/100 (Climate outlook)
Fri Dec 25: MARGINAL, 65/100 (Climate outlook)
25
Sat Dec 26: MARGINAL, 67/100 (Climate outlook)
Sun Dec 27: MARGINAL, 69/100 (Climate outlook)
Mon Dec 28: MARGINAL, 72/100 (Climate outlook)
Tue Dec 29: MARGINAL, 73/100 (Climate outlook)
Wed Dec 30: MARGINAL, 65/100 (Climate outlook)
30
Thu Dec 31: MARGINAL, 56/100 (Climate outlook)
Best days to land in December 2026
ranked
1
Tue Dec 29Climate outlook · GO in 47% of past years
! MARGINAL73
🌖 76%
· 2.3 ft
· 17 mph
· low 07:18
2
Mon Dec 28Climate outlook · GO in 49% of past years
! MARGINAL72
🌖 85%
· 2.2 ft
· 17 mph
· low 06:36
3
Fri Dec 18Climate outlook · GO in 29% of past years
! MARGINAL70
🌔 62%
· 2.2 ft
· 14 mph
· low 09:44
4
Tue Dec 1Climate outlook · GO in 31% of past years
! MARGINAL70
🌖 61%
· 2.1 ft
· 15 mph
· low 08:33
5
Sun Dec 27Climate outlook · GO in 40% of past years
! MARGINAL69
🌖 92%
· 2.2 ft
· 17 mph
· low 06:00
6
Sat Dec 26Climate outlook · GO in 23% of past years
! MARGINAL67
🌖 96%
· 2.2 ft
· 18 mph
· low 05:18
7
Wed Dec 30Climate outlook · GO in 6% of past years
! MARGINAL65
🌖 67%
· 2.3 ft
· 18 mph
· low 08:06
8
Fri Dec 25Climate outlook · GO in 9% of past years
! MARGINAL65
🌕 99%
· 2.0 ft
· 18 mph
· low 04:41
9
Thu Dec 17Climate outlook · GO in 3% of past years
! MARGINAL64
🌓 52%
· 1.9 ft
· 13 mph
· low 08:31
10
Wed Dec 23Climate outlook · GO in 6% of past years
! MARGINAL64
🌔 98%
· 2.2 ft
· 16 mph
· low 03:17
All sites, December 2026
GO days left and each site's best
Data updated 2026-11-08 11:10 UTC · times shown are local to the site (Europe/Paris).