18 (金)	06:53	00:35	19:00	12:59
	143cm	37cm	135cm	49cm
中潮 出 06:24 入 17:28 出 21:04 入 08:07

館山（千葉）2033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	38.2	↓-1.5
2/18 00:10	37.1	↓-1.1
2/18 00:20	36.4	↓-0.7
2/18 00:30	36.1	↓-0.3	干潮
2/18 00:40	36.1	0
2/18 00:50	36.5	↑0.4
2/18 01:00	37.3	↑0.8
2/18 01:10	38.5	↑1.2
2/18 01:20	40.0	↑1.5
2/18 01:30	41.8	↑1.8
2/18 01:40	44.0	↑2.2
2/18 01:50	46.5	↑2.5
2/18 02:00	49.2	↑2.7
2/18 02:10	52.3	↑3.1
2/18 02:20	55.6	↑3.3
2/18 02:30	59.1	↑3.5
2/18 02:40	62.8	↑3.7
2/18 02:50	66.7	↑3.9
2/18 03:00	70.8	↑4.1
2/18 03:10	75.0	↑4.2
2/18 03:20	79.3	↑4.3
2/18 03:30	83.6	↑4.3
2/18 03:40	88.0	↑4.4
2/18 03:50	92.5	↑4.5	最大潮位差
2/18 04:00	96.9	↑4.4
2/18 04:10	101.2	↑4.3
2/18 04:20	105.5	↑4.3
2/18 04:30	109.7	↑4.2
2/18 04:40	113.7	↑4.0
2/18 04:50	117.6	↑3.9
2/18 05:00	121.3	↑3.7
2/18 05:10	124.8	↑3.5
2/18 05:20	128.0	↑3.2
2/18 05:30	131.0	↑3.0
2/18 05:40	133.7	↑2.7
2/18 05:50	136.0	↑2.3
2/18 06:00	138.1	↑2.1
2/18 06:10	139.7	↑1.6
2/18 06:20	141.1	↑1.4
2/18 06:30	142.1	↑1.0
2/18 06:40	142.7	↑0.6
2/18 06:50	142.9	↑0.2	満潮
2/18 07:00	142.8	↓-0.1
2/18 07:10	142.3	↓-0.5
2/18 07:20	141.5	↓-0.8
2/18 07:30	140.3	↓-1.2
2/18 07:40	138.8	↓-1.5
2/18 07:50	136.9	↓-1.9
2/18 08:00	134.7	↓-2.2
2/18 08:10	132.3	↓-2.4
2/18 08:20	129.6	↓-2.7
2/18 08:30	126.6	↓-3.0
2/18 08:40	123.4	↓-3.2
2/18 08:50	120.0	↓-3.4
2/18 09:00	116.4	↓-3.6
2/18 09:10	112.7	↓-3.7
2/18 09:20	108.9	↓-3.8
2/18 09:30	104.9	↓-4.0
2/18 09:40	100.9	↓-4.0
2/18 09:50	96.8	↓-4.1
2/18 10:00	92.8	↓-4.0
2/18 10:10	88.7	↓-4.1
2/18 10:20	84.7	↓-4.0
2/18 10:30	80.8	↓-3.9
2/18 10:40	77.0	↓-3.8
2/18 10:50	73.3	↓-3.7
2/18 11:00	69.8	↓-3.5
2/18 11:10	66.5	↓-3.3
2/18 11:20	63.4	↓-3.1
2/18 11:30	60.5	↓-2.9
2/18 11:40	57.9	↓-2.6
2/18 11:50	55.6	↓-2.3
2/18 12:00	53.5	↓-2.1
2/18 12:10	51.8	↓-1.7
2/18 12:20	50.4	↓-1.4
2/18 12:30	49.3	↓-1.1
2/18 12:40	48.5	↓-0.8
2/18 12:50	48.1	↓-0.4	干潮
2/18 13:00	48.0	↓-0.1
2/18 13:10	48.3	↑0.3
2/18 13:20	48.8	↑0.5
2/18 13:30	49.7	↑0.9
2/18 13:40	50.9	↑1.2
2/18 13:50	52.4	↑1.5
2/18 14:00	54.2	↑1.8
2/18 14:10	56.2	↑2.0
2/18 14:20	58.5	↑2.3
2/18 14:30	61.0	↑2.5
2/18 14:40	63.8	↑2.8
2/18 14:50	66.7	↑2.9
2/18 15:00	69.8	↑3.1
2/18 15:10	73.1	↑3.3
2/18 15:20	76.5	↑3.4
2/18 15:30	80.0	↑3.5
2/18 15:40	83.6	↑3.6
2/18 15:50	87.3	↑3.7
2/18 16:00	91.0	↑3.7
2/18 16:10	94.7	↑3.7
2/18 16:20	98.4	↑3.7
2/18 16:30	102.0	↑3.6
2/18 16:40	105.6	↑3.6
2/18 16:50	109.1	↑3.5
2/18 17:00	112.4	↑3.3
2/18 17:10	115.6	↑3.2
2/18 17:20	118.6	↑3.0
2/18 17:30	121.4	↑2.8
2/18 17:40	124.0	↑2.6
2/18 17:50	126.3	↑2.3
2/18 18:00	128.3	↑2.0
2/18 18:10	130.1	↑1.8
2/18 18:20	131.5	↑1.4
2/18 18:30	132.7	↑1.2
2/18 18:40	133.5	↑0.8
2/18 18:50	133.9	↑0.4	満潮
2/18 19:00	134.1	↑0.2	満潮
2/18 19:10	133.9	↓-0.2
2/18 19:20	133.3	↓-0.6
2/18 19:30	132.5	↓-0.8
2/18 19:40	131.3	↓-1.2
2/18 19:50	129.8	↓-1.5
2/18 20:00	128.0	↓-1.8
2/18 20:10	125.9	↓-2.1
2/18 20:20	123.5	↓-2.4
2/18 20:30	120.9	↓-2.6
2/18 20:40	118.1	↓-2.8
2/18 20:50	115.0	↓-3.1
2/18 21:00	111.8	↓-3.2
2/18 21:10	108.4	↓-3.4
2/18 21:20	104.9	↓-3.5
2/18 21:30	101.2	↓-3.7
2/18 21:40	97.5	↓-3.7
2/18 21:50	93.7	↓-3.8
2/18 22:00	89.8	↓-3.9
2/18 22:10	86.0	↓-3.8
2/18 22:20	82.2	↓-3.8
2/18 22:30	78.5	↓-3.7
2/18 22:40	74.8	↓-3.7
2/18 22:50	71.2	↓-3.6
2/18 23:00	67.8	↓-3.4
2/18 23:10	64.6	↓-3.2
2/18 23:20	61.6	↓-3.0
2/18 23:30	58.7	↓-2.9
2/18 23:40	56.2	↓-2.5
2/18 23:50	53.9	↓-2.3