18 (月)	05:29	11:19	17:19	23:34
	138cm	45cm	146cm	25cm
大潮 出 05:48 入 17:52 出 18:15 入 06:08

館山（千葉）2041年03月18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
3/18 00:00	25.3	↑2.0
3/18 00:10	27.7	↑2.4
3/18 00:20	30.4	↑2.7
3/18 00:30	33.4	↑3.0
3/18 00:40	36.7	↑3.3
3/18 00:50	40.3	↑3.6
3/18 01:00	44.1	↑3.8
3/18 01:10	48.2	↑4.1
3/18 01:20	52.4	↑4.2
3/18 01:30	56.8	↑4.4
3/18 01:40	61.4	↑4.6
3/18 01:50	66.0	↑4.6
3/18 02:00	70.8	↑4.8
3/18 02:10	75.6	↑4.8
3/18 02:20	80.4	↑4.8
3/18 02:30	85.2	↑4.8
3/18 02:40	89.9	↑4.7
3/18 02:50	94.6	↑4.7
3/18 03:00	99.2	↑4.6
3/18 03:10	103.6	↑4.4
3/18 03:20	107.9	↑4.3
3/18 03:30	111.9	↑4.0
3/18 03:40	115.8	↑3.9
3/18 03:50	119.4	↑3.6
3/18 04:00	122.8	↑3.4
3/18 04:10	125.8	↑3.0
3/18 04:20	128.5	↑2.7
3/18 04:30	130.9	↑2.4
3/18 04:40	132.9	↑2.0
3/18 04:50	134.5	↑1.6
3/18 05:00	135.8	↑1.3
3/18 05:10	136.7	↑0.9
3/18 05:20	137.2	↑0.5	満潮
3/18 05:30	137.3	↑0.1
3/18 05:40	137.0	↓-0.3
3/18 05:50	136.4	↓-0.6
3/18 06:00	135.3	↓-1.1
3/18 06:10	133.9	↓-1.4
3/18 06:20	132.2	↓-1.7
3/18 06:30	130.1	↓-2.1
3/18 06:40	127.8	↓-2.3
3/18 06:50	125.1	↓-2.7
3/18 07:00	122.2	↓-2.9
3/18 07:10	119.0	↓-3.2
3/18 07:20	115.6	↓-3.4
3/18 07:30	112.0	↓-3.6
3/18 07:40	108.3	↓-3.7
3/18 07:50	104.4	↓-3.9
3/18 08:00	100.5	↓-3.9
3/18 08:10	96.4	↓-4.1
3/18 08:20	92.3	↓-4.1
3/18 08:30	88.2	↓-4.1
3/18 08:40	84.1	↓-4.1
3/18 08:50	80.1	↓-4.0
3/18 09:00	76.1	↓-4.0
3/18 09:10	72.3	↓-3.8
3/18 09:20	68.6	↓-3.7
3/18 09:30	65.0	↓-3.6
3/18 09:40	61.7	↓-3.3
3/18 09:50	58.6	↓-3.1
3/18 10:00	55.7	↓-2.9
3/18 10:10	53.2	↓-2.5
3/18 10:20	50.9	↓-2.3
3/18 10:30	49.0	↓-1.9
3/18 10:40	47.4	↓-1.6
3/18 10:50	46.1	↓-1.3
3/18 11:00	45.3	↓-0.8
3/18 11:10	44.8	↓-0.5	干潮
3/18 11:20	44.7	↓-0.1
3/18 11:30	44.9	↑0.2
3/18 11:40	45.6	↑0.7
3/18 11:50	46.6	↑1.0
3/18 12:00	48.0	↑1.4
3/18 12:10	49.7	↑1.7
3/18 12:20	51.8	↑2.1
3/18 12:30	54.2	↑2.4
3/18 12:40	56.9	↑2.7
3/18 12:50	59.9	↑3.0
3/18 13:00	63.1	↑3.2
3/18 13:10	66.5	↑3.4
3/18 13:20	70.2	↑3.7
3/18 13:30	74.1	↑3.9
3/18 13:40	78.1	↑4.0
3/18 13:50	82.2	↑4.1
3/18 14:00	86.4	↑4.2
3/18 14:10	90.7	↑4.3
3/18 14:20	95.0	↑4.3
3/18 14:30	99.4	↑4.4
3/18 14:40	103.7	↑4.3
3/18 14:50	108.0	↑4.3
3/18 15:00	112.1	↑4.1
3/18 15:10	116.2	↑4.1
3/18 15:20	120.1	↑3.9
3/18 15:30	123.9	↑3.8
3/18 15:40	127.4	↑3.5
3/18 15:50	130.7	↑3.3
3/18 16:00	133.7	↑3.0
3/18 16:10	136.5	↑2.8
3/18 16:20	138.9	↑2.4
3/18 16:30	141.0	↑2.1
3/18 16:40	142.7	↑1.7
3/18 16:50	144.1	↑1.4
3/18 17:00	145.0	↑0.9
3/18 17:10	145.6	↑0.6	満潮
3/18 17:20	145.7	↑0.1
3/18 17:30	145.4	↓-0.3
3/18 17:40	144.7	↓-0.7
3/18 17:50	143.6	↓-1.1
3/18 18:00	142.1	↓-1.5
3/18 18:10	140.2	↓-1.9
3/18 18:20	137.9	↓-2.3
3/18 18:30	135.3	↓-2.6
3/18 18:40	132.3	↓-3.0
3/18 18:50	128.9	↓-3.4
3/18 19:00	125.3	↓-3.6
3/18 19:10	121.4	↓-3.9
3/18 19:20	117.2	↓-4.2
3/18 19:30	112.8	↓-4.4
3/18 19:40	108.2	↓-4.6
3/18 19:50	103.4	↓-4.8
3/18 20:00	98.6	↓-4.8
3/18 20:10	93.6	↓-5.0
3/18 20:20	88.5	↓-5.1	最大潮位差
3/18 20:30	83.5	↓-5.0
3/18 20:40	78.4	↓-5.1	最大潮位差
3/18 20:50	73.4	↓-5.0
3/18 21:00	68.4	↓-5.0
3/18 21:10	63.6	↓-4.8
3/18 21:20	58.9	↓-4.7
3/18 21:30	54.4	↓-4.5
3/18 21:40	50.1	↓-4.3
3/18 21:50	46.0	↓-4.1
3/18 22:00	42.3	↓-3.7
3/18 22:10	38.8	↓-3.5
3/18 22:20	35.7	↓-3.1
3/18 22:30	32.9	↓-2.8
3/18 22:40	30.5	↓-2.4
3/18 22:50	28.4	↓-2.1
3/18 23:00	26.8	↓-1.6
3/18 23:10	25.6	↓-1.2
3/18 23:20	24.9	↓-0.7
3/18 23:30	24.5	↓-0.4	干潮
3/18 23:40	24.6	↑0.1
3/18 23:50	25.2	↑0.6