⚓ D-Day Landing Planner

USA · US

Pearl Harbor, HI

Which days in November 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.

Month
November 2026 December 2026 January 2027
Best day to land (from today)
Tuesday Nov 24
GO 89/100
🌕 100% moon · 4.1 ft waves
Climate outlook
Next GO day
Thu Nov 19
Score 77 · Forecast
Days left this month
12 GO 9 MARGINAL 2 NO-GO
Tides here
Small
About 1.9 ft a day, so tide timing is left out of the score here.

November 2026

GO 75+ MARGINAL 50–74 NO-GO under 50, or waves ≥ 8 ft / wind ≥ 25 mph
Mon
Tue
Wed
Thu
Fri
Sat
Sun

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 Sun Nov 1: MARGINAL, 66/100 (Recorded) 1 Mon Nov 2: MARGINAL, 68/100 (Recorded) Tue Nov 3: MARGINAL, 65/100 (Recorded) Wed Nov 4: MARGINAL, 60/100 (Recorded) Thu Nov 5: MARGINAL, 54/100 (Recorded) 5 Fri Nov 6: MARGINAL, 58/100 (Recorded) Sat Nov 7: MARGINAL, 61/100 (Recorded) Sun Nov 8: MARGINAL, 52/100 (Forecast) Mon Nov 9: NO-GO, 49/100 (Forecast) Tue Nov 10: MARGINAL, 50/100 (Forecast) 10 Wed Nov 11: MARGINAL, 56/100 (Forecast) Thu Nov 12: NO-GO, 50/100 (Forecast) Fri Nov 13: MARGINAL, 53/100 (Forecast) Sat Nov 14: MARGINAL, 53/100 (Forecast) Sun Nov 15: MARGINAL, 57/100 (Forecast) 15 Mon Nov 16: MARGINAL, 60/100 (Forecast) Tue Nov 17: MARGINAL, 60/100 (Forecast) Wed Nov 18: MARGINAL, 68/100 (Forecast) Thu Nov 19: GO, 77/100 (Forecast) Fri Nov 20: GO, 81/100 (Forecast) 20 Sat Nov 21: GO, 82/100 (Forecast) Sun Nov 22: GO, 77/100 (Forecast) Mon Nov 23: GO, 88/100 (Climate outlook) Tue Nov 24: GO, 89/100 (Climate outlook) Wed Nov 25: GO, 89/100 (Climate outlook) 25 Thu Nov 26: GO, 88/100 (Climate outlook) Fri Nov 27: GO, 85/100 (Climate outlook) Sat Nov 28: GO, 82/100 (Climate outlook) Sun Nov 29: GO, 80/100 (Climate outlook) Mon Nov 30: GO, 77/100 (Climate outlook) 30

Best days to land in November 2026

Remaining days only, ranked

In hindsight: the best day already past was Mon Nov 2 (MARGINAL, 68).

All sites, November 2026

GO days left and each site's best
SiteGOMarg.Best day
Naval Station Norfolk, VAUSA 12 11 Nov 22 GO 91
Pearl Harbor, HIUSA 12 9 Nov 24 GO 89
Naval Station Guantanamo BayCuba 11 10 Nov 24 GO 90
Roosevelt Roads, CeibaPuerto Rico 11 12 Nov 25 GO 85
Camp Pendleton, CAUSA 8 14 Nov 29 GO 85
Naval Station RotaSpain 7 7 Nov 25 GO 91
Fort Sherman, ColónPanama 6 15 Nov 21 GO 79
AnzioItaly 4 14 Nov 21 GO 88
Utah Beach, NormandyFrance 1 16 Nov 29 GO 75
Omaha Beach, NormandyFrance 0 18 Nov 29 MARGINAL 75

Data updated 2026-11-08 11:10 UTC · times shown are local to the site (Pacific/Honolulu).