31 (月)	03:37	08:34	14:02	21:19
	135cm	98cm	151cm	11cm
中潮 出 06:48 入 16:42 出 03:50 入 14:05

館山（千葉）2040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	81.4	↑4.0
12/31 00:10	85.3	↑3.9
12/31 00:20	89.2	↑3.9
12/31 00:30	93.1	↑3.9
12/31 00:40	96.9	↑3.8
12/31 00:50	100.6	↑3.7
12/31 01:00	104.2	↑3.6
12/31 01:10	107.6	↑3.4
12/31 01:20	111.0	↑3.4
12/31 01:30	114.1	↑3.1
12/31 01:40	117.1	↑3.0
12/31 01:50	119.8	↑2.7
12/31 02:00	122.4	↑2.6
12/31 02:10	124.7	↑2.3
12/31 02:20	126.8	↑2.1
12/31 02:30	128.7	↑1.9
12/31 02:40	130.3	↑1.6
12/31 02:50	131.6	↑1.3
12/31 03:00	132.7	↑1.1
12/31 03:10	133.5	↑0.8
12/31 03:20	134.0	↑0.5
12/31 03:30	134.3	↑0.3	満潮
12/31 03:40	134.3	0
12/31 03:50	134.1	↓-0.2
12/31 04:00	133.7	↓-0.4
12/31 04:10	133.0	↓-0.7
12/31 04:20	132.1	↓-0.9
12/31 04:30	131.1	↓-1.0
12/31 04:40	129.9	↓-1.2
12/31 04:50	128.6	↓-1.3
12/31 05:00	127.1	↓-1.5
12/31 05:10	125.5	↓-1.6
12/31 05:20	123.8	↓-1.7
12/31 05:30	122.0	↓-1.8
12/31 05:40	120.2	↓-1.8
12/31 05:50	118.4	↓-1.8
12/31 06:00	116.5	↓-1.9
12/31 06:10	114.6	↓-1.9
12/31 06:20	112.7	↓-1.9
12/31 06:30	110.9	↓-1.8
12/31 06:40	109.1	↓-1.8
12/31 06:50	107.4	↓-1.7
12/31 07:00	105.7	↓-1.7
12/31 07:10	104.1	↓-1.6
12/31 07:20	102.7	↓-1.4
12/31 07:30	101.4	↓-1.3
12/31 07:40	100.2	↓-1.2
12/31 07:50	99.2	↓-1.0
12/31 08:00	98.4	↓-0.8
12/31 08:10	97.8	↓-0.6
12/31 08:20	97.4	↓-0.4
12/31 08:30	97.2	↓-0.2	干潮
12/31 08:40	97.2	0
12/31 08:50	97.5	↑0.3
12/31 09:00	98.0	↑0.5
12/31 09:10	98.7	↑0.7
12/31 09:20	99.7	↑1.0
12/31 09:30	100.9	↑1.2
12/31 09:40	102.3	↑1.4
12/31 09:50	104.0	↑1.7
12/31 10:00	105.8	↑1.8
12/31 10:10	107.8	↑2.0
12/31 10:20	109.9	↑2.1
12/31 10:30	112.1	↑2.2
12/31 10:40	114.5	↑2.4
12/31 10:50	116.9	↑2.4
12/31 11:00	119.4	↑2.5
12/31 11:10	121.9	↑2.5
12/31 11:20	124.5	↑2.6
12/31 11:30	127.0	↑2.5
12/31 11:40	129.5	↑2.5
12/31 11:50	131.9	↑2.4
12/31 12:00	134.3	↑2.4
12/31 12:10	136.6	↑2.3
12/31 12:20	138.8	↑2.2
12/31 12:30	140.8	↑2.0
12/31 12:40	142.7	↑1.9
12/31 12:50	144.4	↑1.7
12/31 13:00	146.0	↑1.6
12/31 13:10	147.3	↑1.3
12/31 13:20	148.5	↑1.2
12/31 13:30	149.4	↑0.9
12/31 13:40	150.1	↑0.7
12/31 13:50	150.6	↑0.5
12/31 14:00	150.7	↑0.1	満潮
12/31 14:10	150.6	↓-0.1
12/31 14:20	150.2	↓-0.4
12/31 14:30	149.5	↓-0.7
12/31 14:40	148.5	↓-1.0
12/31 14:50	147.2	↓-1.3
12/31 15:00	145.6	↓-1.6
12/31 15:10	143.6	↓-2.0
12/31 15:20	141.4	↓-2.2
12/31 15:30	138.8	↓-2.6
12/31 15:40	135.9	↓-2.9
12/31 15:50	132.7	↓-3.2
12/31 16:00	129.3	↓-3.4
12/31 16:10	125.6	↓-3.7
12/31 16:20	121.6	↓-4.0
12/31 16:30	117.4	↓-4.2
12/31 16:40	113.1	↓-4.3
12/31 16:50	108.5	↓-4.6
12/31 17:00	103.8	↓-4.7
12/31 17:10	99.0	↓-4.8
12/31 17:20	94.0	↓-5.0
12/31 17:30	89.0	↓-5.0
12/31 17:40	84.0	↓-5.0
12/31 17:50	78.9	↓-5.1	最大潮位差
12/31 18:00	73.8	↓-5.1	最大潮位差
12/31 18:10	68.8	↓-5.0
12/31 18:20	63.8	↓-5.0
12/31 18:30	58.9	↓-4.9
12/31 18:40	54.1	↓-4.8
12/31 18:50	49.4	↓-4.7
12/31 19:00	44.9	↓-4.5
12/31 19:10	40.5	↓-4.4
12/31 19:20	36.4	↓-4.1
12/31 19:30	32.4	↓-4.0
12/31 19:40	28.8	↓-3.6
12/31 19:50	25.4	↓-3.4
12/31 20:00	22.3	↓-3.1
12/31 20:10	19.5	↓-2.8
12/31 20:20	17.0	↓-2.5
12/31 20:30	14.9	↓-2.1
12/31 20:40	13.2	↓-1.7
12/31 20:50	11.9	↓-1.3
12/31 21:00	11.0	↓-0.9
12/31 21:10	10.5	↓-0.5	干潮
12/31 21:20	10.4	↓-0.1
12/31 21:30	10.7	↑0.3
12/31 21:40	11.4	↑0.7
12/31 21:50	12.5	↑1.1
12/31 22:00	14.0	↑1.5
12/31 22:10	15.9	↑1.9
12/31 22:20	18.2	↑2.3
12/31 22:30	20.8	↑2.6
12/31 22:40	23.7	↑2.9
12/31 22:50	27.0	↑3.3
12/31 23:00	30.5	↑3.5
12/31 23:10	34.3	↑3.8
12/31 23:20	38.3	↑4.0
12/31 23:30	42.5	↑4.2
12/31 23:40	46.9	↑4.4
12/31 23:50	51.5	↑4.6