Italy · Europe
Anzio
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
✓ GO82/100
🌖 76% moon ·
2.1 ft waves
Climate outlook
Next GO day
Sat Dec 19
Score 78 · Climate outlook
Days this month
12 ✓ GO8 ! MARGINAL11 ✕ NO-GO
Tides here
Small
About 0.9 ft a day, so tide timing is left out of the score here.
December 2026
✓ GO! MARGINAL✕ NO-GO
1
OUTLOOK
! MARGINAL 64
🌖 61%
🌊 4ft
2
OUTLOOK
! MARGINAL 57
🌗 51%
🌊 4ft
3
OUTLOOK
✕ NO-GO 50
🌘 40%
🌊 4ft
4
OUTLOOK
✕ NO-GO 48
🌘 30%
🌊 4ft
5
OUTLOOK
✕ NO-GO 48
🌘 21%
🌊 4ft
6
OUTLOOK
✕ NO-GO 48
🌘 13%
🌊 4ft
7
OUTLOOK
✕ NO-GO 47
🌘 7%
🌊 4ft
8
OUTLOOK
✕ NO-GO 46
🌘 2%
🌊 4ft
9
OUTLOOK
✕ NO-GO 48
🌑 0%
🌊 4ft
10
OUTLOOK
✕ NO-GO 48
🌑 0%
🌊 4ft
11
OUTLOOK
✕ NO-GO 46
🌒 3%
🌊 4ft
12
OUTLOOK
✕ NO-GO 46
🌒 7%
🌊 5ft
13
OUTLOOK
✕ NO-GO 48
🌒 14%
🌊 5ft
14
OUTLOOK
! MARGINAL 50
🌒 22%
🌊 4ft
15
OUTLOOK
! MARGINAL 55
🌒 31%
🌊 3ft
16
OUTLOOK
! MARGINAL 56
🌓 41%
🌊 3ft
17
OUTLOOK
! MARGINAL 57
🌓 52%
🌊 3ft
18
OUTLOOK
! MARGINAL 65
🌔 62%
🌊 3ft
19
OUTLOOK
✓ GO 78
🌔 72%
🌊 3ft
20
OUTLOOK
✓ GO 80
🌔 81%
🌊 3ft
21
OUTLOOK
✓ GO 79
🌔 89%
🌊 3ft
22
OUTLOOK
✓ GO 77
🌔 95%
🌊 4ft
23
OUTLOOK
✓ GO 77
🌔 98%
🌊 4ft
24
OUTLOOK
✓ GO 78
🌕 100%
🌊 4ft
25
OUTLOOK
✓ GO 79
🌕 99%
🌊 4ft
26
OUTLOOK
✓ GO 80
🌖 96%
🌊 4ft
27
OUTLOOK
✓ GO 81
🌖 92%
🌊 3ft
28
OUTLOOK
✓ GO 82
🌖 85%
🌊 3ft
29
OUTLOOK
✓ GO 82
🌖 76%
🌊 2ft
30
OUTLOOK
✓ GO 79
🌖 67%
🌊 2ft
31
OUTLOOK
! MARGINAL 68
🌗 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, 64/100 (Climate outlook)
1
Wed Dec 2: MARGINAL, 57/100 (Climate outlook)
Thu Dec 3: NO-GO, 50/100 (Climate outlook)
Fri Dec 4: NO-GO, 48/100 (Climate outlook)
Sat Dec 5: NO-GO, 48/100 (Climate outlook)
5
Sun Dec 6: NO-GO, 48/100 (Climate outlook)
Mon Dec 7: NO-GO, 47/100 (Climate outlook)
Tue Dec 8: NO-GO, 46/100 (Climate outlook)
Wed Dec 9: NO-GO, 48/100 (Climate outlook)
Thu Dec 10: NO-GO, 48/100 (Climate outlook)
10
Fri Dec 11: NO-GO, 46/100 (Climate outlook)
Sat Dec 12: NO-GO, 46/100 (Climate outlook)
Sun Dec 13: NO-GO, 48/100 (Climate outlook)
Mon Dec 14: MARGINAL, 50/100 (Climate outlook)
Tue Dec 15: MARGINAL, 55/100 (Climate outlook)
15
Wed Dec 16: MARGINAL, 56/100 (Climate outlook)
Thu Dec 17: MARGINAL, 57/100 (Climate outlook)
Fri Dec 18: MARGINAL, 65/100 (Climate outlook)
Sat Dec 19: GO, 78/100 (Climate outlook)
Sun Dec 20: GO, 80/100 (Climate outlook)
20
Mon Dec 21: GO, 79/100 (Climate outlook)
Tue Dec 22: GO, 77/100 (Climate outlook)
Wed Dec 23: GO, 77/100 (Climate outlook)
Thu Dec 24: GO, 78/100 (Climate outlook)
Fri Dec 25: GO, 79/100 (Climate outlook)
25
Sat Dec 26: GO, 80/100 (Climate outlook)
Sun Dec 27: GO, 81/100 (Climate outlook)
Mon Dec 28: GO, 82/100 (Climate outlook)
Tue Dec 29: GO, 82/100 (Climate outlook)
Wed Dec 30: GO, 79/100 (Climate outlook)
30
Thu Dec 31: MARGINAL, 68/100 (Climate outlook)
Best days to land in December 2026
ranked
1
Tue Dec 29Climate outlook · GO in 78% of past years
✓ GO82
🌖 76%
· 2.1 ft
· 7 mph
2
Mon Dec 28Climate outlook · GO in 74% of past years
✓ GO82
🌖 85%
· 2.6 ft
· 9 mph
3
Sun Dec 27Climate outlook · GO in 74% of past years
✓ GO81
🌖 92%
· 3.3 ft
· 10 mph
4
Sat Dec 26Climate outlook · GO in 71% of past years
✓ GO80
🌖 96%
· 3.6 ft
· 11 mph
5
Sun Dec 20Climate outlook · GO in 77% of past years
✓ GO80
🌔 81%
· 2.6 ft
· 9 mph
6
Fri Dec 25Climate outlook · GO in 69% of past years
✓ GO79
🌕 99%
· 4.4 ft
· 11 mph
7
Mon Dec 21Climate outlook · GO in 80% of past years
✓ GO79
🌔 89%
· 3.0 ft
· 9 mph
8
Wed Dec 30Climate outlook · GO in 67% of past years
✓ GO79
🌖 67%
· 2.1 ft
· 7 mph
9
Thu Dec 24Climate outlook · GO in 69% of past years
✓ GO78
🌕 100%
· 4.4 ft
· 11 mph
10
Sat Dec 19Climate outlook · GO in 71% of past years
✓ GO78
🌔 72%
· 2.6 ft
· 9 mph
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/Rome).