20 (土)	04:44	10:32	16:22	22:47
	151cm	56cm	155cm	11cm
大潮 出 05:46 入 17:54 出 16:55 入 05:20

館山（千葉）2038年03月20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
3/20 00:00	38.7	↑4.3
3/20 00:10	43.3	↑4.6
3/20 00:20	48.1	↑4.8
3/20 00:30	53.1	↑5.0
3/20 00:40	58.3	↑5.2
3/20 00:50	63.6	↑5.3
3/20 01:00	68.9	↑5.3
3/20 01:10	74.4	↑5.5
3/20 01:20	79.8	↑5.4
3/20 01:30	85.3	↑5.5
3/20 01:40	90.8	↑5.5
3/20 01:50	96.1	↑5.3
3/20 02:00	101.4	↑5.3
3/20 02:10	106.6	↑5.2
3/20 02:20	111.6	↑5.0
3/20 02:30	116.5	↑4.9
3/20 02:40	121.1	↑4.6
3/20 02:50	125.4	↑4.3
3/20 03:00	129.5	↑4.1
3/20 03:10	133.3	↑3.8
3/20 03:20	136.8	↑3.5
3/20 03:30	140.0	↑3.2
3/20 03:40	142.7	↑2.7
3/20 03:50	145.1	↑2.4
3/20 04:00	147.1	↑2.0
3/20 04:10	148.6	↑1.5
3/20 04:20	149.8	↑1.2
3/20 04:30	150.5	↑0.7
3/20 04:40	150.9	↑0.4	満潮
3/20 04:50	150.8	↓-0.1
3/20 05:00	150.2	↓-0.6
3/20 05:10	149.3	↓-0.9
3/20 05:20	148.0	↓-1.3
3/20 05:30	146.4	↓-1.6
3/20 05:40	144.4	↓-2.0
3/20 05:50	142.0	↓-2.4
3/20 06:00	139.4	↓-2.6
3/20 06:10	136.5	↓-2.9
3/20 06:20	133.3	↓-3.2
3/20 06:30	129.9	↓-3.4
3/20 06:40	126.2	↓-3.7
3/20 06:50	122.4	↓-3.8
3/20 07:00	118.5	↓-3.9
3/20 07:10	114.4	↓-4.1
3/20 07:20	110.2	↓-4.2
3/20 07:30	106.0	↓-4.2
3/20 07:40	101.8	↓-4.2
3/20 07:50	97.5	↓-4.3
3/20 08:00	93.3	↓-4.2
3/20 08:10	89.1	↓-4.2
3/20 08:20	85.1	↓-4.0
3/20 08:30	81.2	↓-3.9
3/20 08:40	77.4	↓-3.8
3/20 08:50	73.9	↓-3.5
3/20 09:00	70.6	↓-3.3
3/20 09:10	67.5	↓-3.1
3/20 09:20	64.7	↓-2.8
3/20 09:30	62.3	↓-2.4
3/20 09:40	60.1	↓-2.2
3/20 09:50	58.4	↓-1.7
3/20 10:00	57.0	↓-1.4
3/20 10:10	55.9	↓-1.1
3/20 10:20	55.3	↓-0.6
3/20 10:30	55.1	↓-0.2	干潮
3/20 10:40	55.3	↑0.2
3/20 10:50	55.8	↑0.5
3/20 11:00	56.8	↑1.0
3/20 11:10	58.2	↑1.4
3/20 11:20	59.9	↑1.7
3/20 11:30	62.0	↑2.1
3/20 11:40	64.4	↑2.4
3/20 11:50	67.1	↑2.7
3/20 12:00	70.1	↑3.0
3/20 12:10	73.4	↑3.3
3/20 12:20	76.9	↑3.5
3/20 12:30	80.6	↑3.7
3/20 12:40	84.5	↑3.9
3/20 12:50	88.6	↑4.1
3/20 13:00	92.8	↑4.2
3/20 13:10	97.0	↑4.2
3/20 13:20	101.4	↑4.4
3/20 13:30	105.7	↑4.3
3/20 13:40	110.1	↑4.4
3/20 13:50	114.4	↑4.3
3/20 14:00	118.7	↑4.3
3/20 14:10	122.9	↑4.2
3/20 14:20	126.9	↑4.0
3/20 14:30	130.8	↑3.9
3/20 14:40	134.5	↑3.7
3/20 14:50	138.0	↑3.5
3/20 15:00	141.3	↑3.3
3/20 15:10	144.2	↑2.9
3/20 15:20	146.8	↑2.6
3/20 15:30	149.1	↑2.3
3/20 15:40	151.0	↑1.9
3/20 15:50	152.6	↑1.6
3/20 16:00	153.7	↑1.1
3/20 16:10	154.4	↑0.7
3/20 16:20	154.7	↑0.3	満潮
3/20 16:30	154.5	↓-0.2
3/20 16:40	153.8	↓-0.7
3/20 16:50	152.7	↓-1.1
3/20 17:00	151.2	↓-1.5
3/20 17:10	149.2	↓-2.0
3/20 17:20	146.8	↓-2.4
3/20 17:30	143.9	↓-2.9
3/20 17:40	140.7	↓-3.2
3/20 17:50	137.1	↓-3.6
3/20 18:00	133.1	↓-4.0
3/20 18:10	128.8	↓-4.3
3/20 18:20	124.2	↓-4.6
3/20 18:30	119.3	↓-4.9
3/20 18:40	114.1	↓-5.2
3/20 18:50	108.8	↓-5.3
3/20 19:00	103.3	↓-5.5
3/20 19:10	97.6	↓-5.7
3/20 19:20	91.8	↓-5.8
3/20 19:30	86.0	↓-5.8
3/20 19:40	80.1	↓-5.9	最大潮位差
3/20 19:50	74.3	↓-5.8
3/20 20:00	68.5	↓-5.8
3/20 20:10	62.7	↓-5.8
3/20 20:20	57.1	↓-5.6
3/20 20:30	51.6	↓-5.5
3/20 20:40	46.4	↓-5.2
3/20 20:50	41.3	↓-5.1
3/20 21:00	36.6	↓-4.7
3/20 21:10	32.1	↓-4.5
3/20 21:20	28.0	↓-4.1
3/20 21:30	24.2	↓-3.8
3/20 21:40	20.9	↓-3.3
3/20 21:50	17.9	↓-3.0
3/20 22:00	15.4	↓-2.5
3/20 22:10	13.4	↓-2.0
3/20 22:20	11.9	↓-1.5
3/20 22:30	10.8	↓-1.1
3/20 22:40	10.3	↓-0.5	干潮
3/20 22:50	10.3	0
3/20 23:00	10.7	↑0.4
3/20 23:10	11.7	↑1.0
3/20 23:20	13.1	↑1.4
3/20 23:30	15.1	↑2.0
3/20 23:40	17.4	↑2.3
3/20 23:50	20.3	↑2.9