31 (金)	07:28	00:29	18:10	12:45
	143cm	18cm	146cm	89cm
中潮 出 06:48 入 16:41 出 08:55 入 19:48

館山（千葉）2027年12月31日の10分毎の潮の高低差を確認できます。
また1日の潮の高低差が1番大きい（潮の流れが大きい）時間に「最大潮位差」と明記してます。

時刻	潮位	高低差	各ポイント
12/31 00:00	18.7	↓-1.3
12/31 00:10	17.9	↓-0.8
12/31 00:20	17.4	↓-0.5	干潮
12/31 00:30	17.3	↓-0.1
12/31 00:40	17.5	↑0.2
12/31 00:50	18.2	↑0.7
12/31 01:00	19.2	↑1.0
12/31 01:10	20.6	↑1.4
12/31 01:20	22.3	↑1.7
12/31 01:30	24.3	↑2.0
12/31 01:40	26.7	↑2.4
12/31 01:50	29.4	↑2.7
12/31 02:00	32.4	↑3.0
12/31 02:10	35.6	↑3.2
12/31 02:20	39.1	↑3.5
12/31 02:30	42.9	↑3.8
12/31 02:40	46.8	↑3.9
12/31 02:50	50.9	↑4.1
12/31 03:00	55.2	↑4.3
12/31 03:10	59.6	↑4.4
12/31 03:20	64.2	↑4.6
12/31 03:30	68.8	↑4.6
12/31 03:40	73.5	↑4.7	最大潮位差
12/31 03:50	78.2	↑4.7	最大潮位差
12/31 04:00	82.9	↑4.7	最大潮位差
12/31 04:10	87.6	↑4.7	最大潮位差
12/31 04:20	92.3	↑4.7	最大潮位差
12/31 04:30	96.9	↑4.6
12/31 04:40	101.3	↑4.4
12/31 04:50	105.7	↑4.4
12/31 05:00	109.9	↑4.2
12/31 05:10	113.9	↑4.0
12/31 05:20	117.7	↑3.8
12/31 05:30	121.3	↑3.6
12/31 05:40	124.7	↑3.4
12/31 05:50	127.8	↑3.1
12/31 06:00	130.6	↑2.8
12/31 06:10	133.1	↑2.5
12/31 06:20	135.3	↑2.2
12/31 06:30	137.3	↑2.0
12/31 06:40	138.9	↑1.6
12/31 06:50	140.2	↑1.3
12/31 07:00	141.1	↑0.9
12/31 07:10	141.8	↑0.7
12/31 07:20	142.2	↑0.4	満潮
12/31 07:30	142.2	0
12/31 07:40	142.0	↓-0.2
12/31 07:50	141.5	↓-0.5
12/31 08:00	140.7	↓-0.8
12/31 08:10	139.7	↓-1.0
12/31 08:20	138.4	↓-1.3
12/31 08:30	136.9	↓-1.5
12/31 08:40	135.1	↓-1.8
12/31 08:50	133.2	↓-1.9
12/31 09:00	131.1	↓-2.1
12/31 09:10	128.9	↓-2.2
12/31 09:20	126.6	↓-2.3
12/31 09:30	124.1	↓-2.5
12/31 09:40	121.6	↓-2.5
12/31 09:50	119.0	↓-2.6
12/31 10:00	116.4	↓-2.6
12/31 10:10	113.8	↓-2.6
12/31 10:20	111.1	↓-2.7
12/31 10:30	108.6	↓-2.5
12/31 10:40	106.1	↓-2.5
12/31 10:50	103.7	↓-2.4
12/31 11:00	101.4	↓-2.3
12/31 11:10	99.3	↓-2.1
12/31 11:20	97.3	↓-2.0
12/31 11:30	95.5	↓-1.8
12/31 11:40	93.9	↓-1.6
12/31 11:50	92.5	↓-1.4
12/31 12:00	91.3	↓-1.2
12/31 12:10	90.3	↓-1.0
12/31 12:20	89.6	↓-0.7
12/31 12:30	89.1	↓-0.5
12/31 12:40	88.9	↓-0.2	干潮
12/31 12:50	88.9	0
12/31 13:00	89.2	↑0.3
12/31 13:10	89.7	↑0.5
12/31 13:20	90.5	↑0.8
12/31 13:30	91.5	↑1.0
12/31 13:40	92.7	↑1.2
12/31 13:50	94.1	↑1.4
12/31 14:00	95.7	↑1.6
12/31 14:10	97.5	↑1.8
12/31 14:20	99.4	↑1.9
12/31 14:30	101.6	↑2.2
12/31 14:40	103.8	↑2.2
12/31 14:50	106.2	↑2.4
12/31 15:00	108.7	↑2.5
12/31 15:10	111.2	↑2.5
12/31 15:20	113.8	↑2.6
12/31 15:30	116.5	↑2.7
12/31 15:40	119.2	↑2.7
12/31 15:50	121.8	↑2.6
12/31 16:00	124.5	↑2.7
12/31 16:10	127.0	↑2.5
12/31 16:20	129.5	↑2.5
12/31 16:30	131.9	↑2.4
12/31 16:40	134.2	↑2.3
12/31 16:50	136.3	↑2.1
12/31 17:00	138.2	↑1.9
12/31 17:10	140.0	↑1.8
12/31 17:20	141.5	↑1.5
12/31 17:30	142.7	↑1.2
12/31 17:40	143.8	↑1.1
12/31 17:50	144.5	↑0.7
12/31 18:00	144.9	↑0.4	満潮
12/31 18:10	145.1	↑0.2	満潮
12/31 18:20	144.9	↓-0.2
12/31 18:30	144.4	↓-0.5
12/31 18:40	143.6	↓-0.8
12/31 18:50	142.4	↓-1.2
12/31 19:00	141.0	↓-1.4
12/31 19:10	139.2	↓-1.8
12/31 19:20	137.1	↓-2.1
12/31 19:30	134.7	↓-2.4
12/31 19:40	132.1	↓-2.6
12/31 19:50	129.1	↓-3.0
12/31 20:00	125.9	↓-3.2
12/31 20:10	122.5	↓-3.4
12/31 20:20	118.8	↓-3.7
12/31 20:30	114.9	↓-3.9
12/31 20:40	110.9	↓-4.0
12/31 20:50	106.7	↓-4.2
12/31 21:00	102.3	↓-4.4
12/31 21:10	97.9	↓-4.4
12/31 21:20	93.3	↓-4.6
12/31 21:30	88.7	↓-4.6
12/31 21:40	84.1	↓-4.6
12/31 21:50	79.5	↓-4.6
12/31 22:00	74.9	↓-4.6
12/31 22:10	70.4	↓-4.5
12/31 22:20	65.9	↓-4.5
12/31 22:30	61.6	↓-4.3
12/31 22:40	57.4	↓-4.2
12/31 22:50	53.4	↓-4.0
12/31 23:00	49.6	↓-3.8
12/31 23:10	46.0	↓-3.6
12/31 23:20	42.6	↓-3.4
12/31 23:30	39.6	↓-3.0
12/31 23:40	36.8	↓-2.8
12/31 23:50	34.3	↓-2.5