31 (金)	08:59	01:53	19:40	14:27
	143cm	30cm	138cm	96cm
中潮 出 06:48 入 16:41 出 10:44 入 22:07

館山（千葉）2038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	49.1	↓-3.6
12/31 00:10	45.8	↓-3.3
12/31 00:20	42.8	↓-3.0
12/31 00:30	40.0	↓-2.8
12/31 00:40	37.5	↓-2.5
12/31 00:50	35.3	↓-2.2
12/31 01:00	33.5	↓-1.8
12/31 01:10	31.9	↓-1.6
12/31 01:20	30.7	↓-1.2
12/31 01:30	29.8	↓-0.9
12/31 01:40	29.2	↓-0.6
12/31 01:50	29.0	↓-0.2	干潮
12/31 02:00	29.1	↑0.1
12/31 02:10	29.5	↑0.4
12/31 02:20	30.3	↑0.8
12/31 02:30	31.4	↑1.1
12/31 02:40	32.7	↑1.3
12/31 02:50	34.4	↑1.7
12/31 03:00	36.4	↑2.0
12/31 03:10	38.6	↑2.2
12/31 03:20	41.1	↑2.5
12/31 03:30	43.9	↑2.8
12/31 03:40	46.9	↑3.0
12/31 03:50	50.1	↑3.2
12/31 04:00	53.5	↑3.4
12/31 04:10	57.2	↑3.7
12/31 04:20	60.9	↑3.7
12/31 04:30	64.9	↑4.0
12/31 04:40	68.9	↑4.0
12/31 04:50	73.1	↑4.2
12/31 05:00	77.3	↑4.2
12/31 05:10	81.6	↑4.3	最大潮位差
12/31 05:20	85.9	↑4.3	最大潮位差
12/31 05:30	90.2	↑4.3	最大潮位差
12/31 05:40	94.5	↑4.3	最大潮位差
12/31 05:50	98.7	↑4.2
12/31 06:00	102.8	↑4.1
12/31 06:10	106.8	↑4.0
12/31 06:20	110.7	↑3.9
12/31 06:30	114.5	↑3.8
12/31 06:40	118.1	↑3.6
12/31 06:50	121.4	↑3.3
12/31 07:00	124.6	↑3.2
12/31 07:10	127.5	↑2.9
12/31 07:20	130.2	↑2.7
12/31 07:30	132.7	↑2.5
12/31 07:40	134.9	↑2.2
12/31 07:50	136.8	↑1.9
12/31 08:00	138.5	↑1.7
12/31 08:10	139.9	↑1.4
12/31 08:20	141.1	↑1.2
12/31 08:30	141.9	↑0.8
12/31 08:40	142.5	↑0.6
12/31 08:50	142.9	↑0.4	満潮
12/31 09:00	143.0	↑0.1
12/31 09:10	142.8	↓-0.2
12/31 09:20	142.4	↓-0.4
12/31 09:30	141.8	↓-0.6
12/31 09:40	140.9	↓-0.9
12/31 09:50	139.8	↓-1.1
12/31 10:00	138.5	↓-1.3
12/31 10:10	137.1	↓-1.4
12/31 10:20	135.5	↓-1.6
12/31 10:30	133.7	↓-1.8
12/31 10:40	131.8	↓-1.9
12/31 10:50	129.8	↓-2.0
12/31 11:00	127.6	↓-2.2
12/31 11:10	125.4	↓-2.2
12/31 11:20	123.2	↓-2.2
12/31 11:30	120.9	↓-2.3
12/31 11:40	118.7	↓-2.2
12/31 11:50	116.4	↓-2.3
12/31 12:00	114.2	↓-2.2
12/31 12:10	112.0	↓-2.2
12/31 12:20	109.9	↓-2.1
12/31 12:30	107.9	↓-2.0
12/31 12:40	106.1	↓-1.8
12/31 12:50	104.3	↓-1.8
12/31 13:00	102.7	↓-1.6
12/31 13:10	101.2	↓-1.5
12/31 13:20	100.0	↓-1.2
12/31 13:30	98.8	↓-1.2
12/31 13:40	97.9	↓-0.9
12/31 13:50	97.1	↓-0.8
12/31 14:00	96.6	↓-0.5
12/31 14:10	96.2	↓-0.4
12/31 14:20	96.0	↓-0.2	干潮
12/31 14:30	95.9	↓-0.1
12/31 14:40	96.1	↑0.2
12/31 14:50	96.5	↑0.4
12/31 15:00	97.0	↑0.5
12/31 15:10	97.7	↑0.7
12/31 15:20	98.6	↑0.9
12/31 15:30	99.6	↑1.0
12/31 15:40	100.8	↑1.2
12/31 15:50	102.2	↑1.4
12/31 16:00	103.6	↑1.4
12/31 16:10	105.3	↑1.7
12/31 16:20	107.0	↑1.7
12/31 16:30	108.8	↑1.8
12/31 16:40	110.7	↑1.9
12/31 16:50	112.7	↑2.0
12/31 17:00	114.8	↑2.1
12/31 17:10	116.9	↑2.1
12/31 17:20	119.0	↑2.1
12/31 17:30	121.0	↑2.0
12/31 17:40	123.1	↑2.1
12/31 17:50	125.1	↑2.0
12/31 18:00	127.0	↑1.9
12/31 18:10	128.8	↑1.8
12/31 18:20	130.5	↑1.7
12/31 18:30	132.1	↑1.6
12/31 18:40	133.5	↑1.4
12/31 18:50	134.7	↑1.2
12/31 19:00	135.7	↑1.0
12/31 19:10	136.5	↑0.8
12/31 19:20	137.1	↑0.6
12/31 19:30	137.4	↑0.3	満潮
12/31 19:40	137.5	↑0.1	満潮
12/31 19:50	137.4	↓-0.1
12/31 20:00	137.0	↓-0.4
12/31 20:10	136.3	↓-0.7
12/31 20:20	135.4	↓-0.9
12/31 20:30	134.3	↓-1.1
12/31 20:40	132.9	↓-1.4
12/31 20:50	131.3	↓-1.6
12/31 21:00	129.4	↓-1.9
12/31 21:10	127.4	↓-2.0
12/31 21:20	125.1	↓-2.3
12/31 21:30	122.6	↓-2.5
12/31 21:40	119.9	↓-2.7
12/31 21:50	117.1	↓-2.8
12/31 22:00	114.1	↓-3.0
12/31 22:10	110.9	↓-3.2
12/31 22:20	107.6	↓-3.3
12/31 22:30	104.2	↓-3.4
12/31 22:40	100.7	↓-3.5
12/31 22:50	97.2	↓-3.5
12/31 23:00	93.5	↓-3.7
12/31 23:10	89.9	↓-3.6
12/31 23:20	86.3	↓-3.6
12/31 23:30	82.6	↓-3.7
12/31 23:40	79.0	↓-3.6
12/31 23:50	75.5	↓-3.5