18 (月)	06:34	00:02	18:02	12:12
	140cm	16cm	147cm	62cm
中潮 出 06:24 入 17:28 出 19:24 入 07:39

館山（千葉）2041年02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
2/18 00:00	15.8	↓-0.2	干潮
2/18 00:10	15.9	↑0.1
2/18 00:20	16.5	↑0.6
2/18 00:30	17.5	↑1.0
2/18 00:40	18.9	↑1.4
2/18 00:50	20.7	↑1.8
2/18 01:00	22.9	↑2.2
2/18 01:10	25.4	↑2.5
2/18 01:20	28.2	↑2.8
2/18 01:30	31.4	↑3.2
2/18 01:40	34.9	↑3.5
2/18 01:50	38.6	↑3.7
2/18 02:00	42.6	↑4.0
2/18 02:10	46.8	↑4.2
2/18 02:20	51.2	↑4.4
2/18 02:30	55.8	↑4.6
2/18 02:40	60.5	↑4.7
2/18 02:50	65.3	↑4.8
2/18 03:00	70.2	↑4.9
2/18 03:10	75.1	↑4.9
2/18 03:20	80.0	↑4.9
2/18 03:30	85.0	↑5.0
2/18 03:40	89.8	↑4.8
2/18 03:50	94.6	↑4.8
2/18 04:00	99.3	↑4.7
2/18 04:10	103.8	↑4.5
2/18 04:20	108.2	↑4.4
2/18 04:30	112.4	↑4.2
2/18 04:40	116.3	↑3.9
2/18 04:50	120.0	↑3.7
2/18 05:00	123.4	↑3.4
2/18 05:10	126.5	↑3.1
2/18 05:20	129.3	↑2.8
2/18 05:30	131.8	↑2.5
2/18 05:40	133.9	↑2.1
2/18 05:50	135.7	↑1.8
2/18 06:00	137.1	↑1.4
2/18 06:10	138.1	↑1.0
2/18 06:20	138.8	↑0.7
2/18 06:30	139.1	↑0.3	満潮
2/18 06:40	139.0	↓-0.1
2/18 06:50	138.6	↓-0.4
2/18 07:00	137.8	↓-0.8
2/18 07:10	136.7	↓-1.1
2/18 07:20	135.3	↓-1.4
2/18 07:30	133.5	↓-1.8
2/18 07:40	131.5	↓-2.0
2/18 07:50	129.2	↓-2.3
2/18 08:00	126.7	↓-2.5
2/18 08:10	124.0	↓-2.7
2/18 08:20	121.0	↓-3.0
2/18 08:30	117.9	↓-3.1
2/18 08:40	114.7	↓-3.2
2/18 08:50	111.3	↓-3.4
2/18 09:00	107.8	↓-3.5
2/18 09:10	104.3	↓-3.5
2/18 09:20	100.8	↓-3.5
2/18 09:30	97.2	↓-3.6
2/18 09:40	93.7	↓-3.5
2/18 09:50	90.2	↓-3.5
2/18 10:00	86.8	↓-3.4
2/18 10:10	83.6	↓-3.2
2/18 10:20	80.4	↓-3.2
2/18 10:30	77.5	↓-2.9
2/18 10:40	74.7	↓-2.8
2/18 10:50	72.2	↓-2.5
2/18 11:00	69.9	↓-2.3
2/18 11:10	67.8	↓-2.1
2/18 11:20	66.1	↓-1.7
2/18 11:30	64.6	↓-1.5
2/18 11:40	63.5	↓-1.1
2/18 11:50	62.6	↓-0.9
2/18 12:00	62.1	↓-0.5
2/18 12:10	61.9	↓-0.2	干潮
2/18 12:20	62.1	↑0.2
2/18 12:30	62.5	↑0.4
2/18 12:40	63.3	↑0.8
2/18 12:50	64.4	↑1.1
2/18 13:00	65.8	↑1.4
2/18 13:10	67.5	↑1.7
2/18 13:20	69.5	↑2.0
2/18 13:30	71.8	↑2.3
2/18 13:40	74.3	↑2.5
2/18 13:50	77.0	↑2.7
2/18 14:00	80.0	↑3.0
2/18 14:10	83.1	↑3.1
2/18 14:20	86.4	↑3.3
2/18 14:30	89.8	↑3.4
2/18 14:40	93.4	↑3.6
2/18 14:50	97.0	↑3.6
2/18 15:00	100.7	↑3.7
2/18 15:10	104.5	↑3.8
2/18 15:20	108.2	↑3.7
2/18 15:30	112.0	↑3.8
2/18 15:40	115.7	↑3.7
2/18 15:50	119.3	↑3.6
2/18 16:00	122.8	↑3.5
2/18 16:10	126.1	↑3.3
2/18 16:20	129.3	↑3.2
2/18 16:30	132.4	↑3.1
2/18 16:40	135.1	↑2.7
2/18 16:50	137.7	↑2.6
2/18 17:00	140.0	↑2.3
2/18 17:10	141.9	↑1.9
2/18 17:20	143.6	↑1.7
2/18 17:30	144.9	↑1.3
2/18 17:40	145.9	↑1.0
2/18 17:50	146.5	↑0.6
2/18 18:00	146.7	↑0.2	満潮
2/18 18:10	146.5	↓-0.2
2/18 18:20	146.0	↓-0.5
2/18 18:30	145.1	↓-0.9
2/18 18:40	143.8	↓-1.3
2/18 18:50	142.1	↓-1.7
2/18 19:00	140.0	↓-2.1
2/18 19:10	137.6	↓-2.4
2/18 19:20	134.8	↓-2.8
2/18 19:30	131.7	↓-3.1
2/18 19:40	128.3	↓-3.4
2/18 19:50	124.6	↓-3.7
2/18 20:00	120.6	↓-4.0
2/18 20:10	116.4	↓-4.2
2/18 20:20	111.9	↓-4.5
2/18 20:30	107.3	↓-4.6
2/18 20:40	102.6	↓-4.7
2/18 20:50	97.7	↓-4.9
2/18 21:00	92.7	↓-5.0
2/18 21:10	87.6	↓-5.1	最大潮位差
2/18 21:20	82.6	↓-5.0
2/18 21:30	77.5	↓-5.1	最大潮位差
2/18 21:40	72.5	↓-5.0
2/18 21:50	67.5	↓-5.0
2/18 22:00	62.6	↓-4.9
2/18 22:10	57.9	↓-4.7
2/18 22:20	53.4	↓-4.5
2/18 22:30	49.1	↓-4.3
2/18 22:40	45.0	↓-4.1
2/18 22:50	41.2	↓-3.8
2/18 23:00	37.6	↓-3.6
2/18 23:10	34.4	↓-3.2
2/18 23:20	31.6	↓-2.8
2/18 23:30	29.1	↓-2.5
2/18 23:40	26.9	↓-2.2
2/18 23:50	25.2	↓-1.7