Apra Harbor, Guam tide table, December 2026

Highest high0.74 m25 19:26

Lowest low-0.38 m25 02:08

Largest daily range1.12 mday 25

Smallest daily range0.26 mday 6

Daily tidal range (m)

Date	High (m)	Low (m)	Range
Dec 1 Tue	14:16 (0.67)	06:47 (-0.05) / 20:27 (0.32)	0.72
Dec 2 Wed	01:02 (0.48) / 14:56 (0.67)	07:46 (0.06) / 21:34 (0.21)	0.61
Dec 3 Thu	02:57 (0.46) / 15:32 (0.68)	08:48 (0.17) / 22:29 (0.11)	0.57
Dec 4 Fri	04:40 (0.48) / 16:05 (0.67)	09:50 (0.26) / 23:15 (0.01)	0.66
Dec 5 Sat	05:58 (0.52) / 16:37 (0.66)	10:52 (0.34) / 23:55 (-0.07)	0.74
Dec 6 Sun	06:58 (0.57) / 17:07 (0.65)	11:50 (0.39)	0.26
Dec 7 Mon	07:46 (0.60) / 17:38 (0.63)	00:31 (-0.13) / 12:44 (0.41)	0.76
Dec 8 Tue	08:26 (0.62) / 18:09 (0.62)	01:04 (-0.17) / 13:32 (0.43)	0.79
Dec 9 Wed	09:02 (0.62) / 18:41 (0.60)	01:36 (-0.19) / 14:14 (0.43)	0.82
Dec 10 Thu	09:37 (0.62) / 19:13 (0.60)	02:09 (-0.20) / 14:50 (0.44)	0.82
Dec 11 Fri	10:12 (0.61) / 19:46 (0.59)	02:42 (-0.19) / 15:25 (0.44)	0.80
Dec 12 Sat	10:49 (0.61) / 20:22 (0.58)	03:17 (-0.17) / 16:02 (0.44)	0.78
Dec 13 Sun	11:27 (0.60) / 21:00 (0.56)	03:54 (-0.15) / 16:45 (0.44)	0.75
Dec 14 Mon	12:04 (0.61) / 21:44 (0.53)	04:31 (-0.11) / 17:36 (0.42)	0.71
Dec 15 Tue	12:39 (0.62) / 22:40 (0.49)	05:10 (-0.06) / 18:34 (0.39)	0.67
Dec 16 Wed	13:12 (0.63) / 23:54 (0.45)	05:50 (0.01) / 19:35 (0.33)	0.62
Dec 17 Thu	13:43 (0.64)	06:35 (0.09) / 20:32 (0.25)	0.55
Dec 18 Fri	01:29 (0.42) / 14:15 (0.65)	07:26 (0.17) / 21:22 (0.14)	0.50
Dec 19 Sat	03:19 (0.44) / 14:50 (0.66)	08:26 (0.26) / 22:09 (0.02)	0.63
Dec 20 Sun	04:56 (0.49) / 15:28 (0.67)	09:33 (0.33) / 22:54 (-0.10)	0.76
Dec 21 Mon	06:08 (0.56) / 16:11 (0.68)	10:42 (0.39) / 23:40 (-0.21)	0.89
Dec 22 Tue	07:06 (0.63) / 16:57 (0.70)	11:46 (0.43)	0.27
Dec 23 Wed	07:57 (0.68) / 17:46 (0.72)	00:28 (-0.30) / 12:46 (0.45)	1.02
Dec 24 Thu	08:45 (0.70) / 18:35 (0.74)	01:18 (-0.36) / 13:41 (0.46)	1.10
Dec 25 Fri	09:33 (0.71) / 19:26 (0.74)	02:08 (-0.38) / 14:35 (0.45)	1.12
Dec 26 Sat	10:20 (0.70) / 20:18 (0.72)	02:58 (-0.36) / 15:30 (0.43)	1.09
Dec 27 Sun	11:06 (0.69) / 21:13 (0.68)	03:48 (-0.31) / 16:28 (0.40)	1.00
Dec 28 Mon	11:50 (0.68) / 22:14 (0.60)	04:37 (-0.22) / 17:30 (0.35)	0.90
Dec 29 Tue	12:31 (0.67) / 23:27 (0.52)	05:24 (-0.10) / 18:37 (0.29)	0.78
Dec 30 Wed	13:10 (0.67)	06:12 (0.03) / 19:47 (0.20)	0.64
Dec 31 Thu	01:02 (0.46) / 13:46 (0.66)	07:02 (0.16) / 20:52 (0.12)	0.54

Times and heights are NOAA astronomical predictions and do not include weather effects. Times are station local time (incl. daylight saving), heights in metres above MLLW. Not for navigation.

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High and low tides for December 2026. Highest high 0.74 m on the 25th, lowest low -0.38 m on the 25th.