20 (月)	03:02	08:52	14:35	20:55
	127cm	66cm	125cm	37cm
若潮 出 05:05 入 18:18 出 14:37 入 03:06

館山（千葉）2043年04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
4/20 00:00	91.1	↑3.3
4/20 00:10	94.4	↑3.3
4/20 00:20	97.6	↑3.2
4/20 00:30	100.7	↑3.1
4/20 00:40	103.7	↑3.0
4/20 00:50	106.7	↑3.0
4/20 01:00	109.4	↑2.7
4/20 01:10	112.1	↑2.7
4/20 01:20	114.5	↑2.4
4/20 01:30	116.8	↑2.3
4/20 01:40	118.9	↑2.1
4/20 01:50	120.7	↑1.8
4/20 02:00	122.3	↑1.6
4/20 02:10	123.7	↑1.4
4/20 02:20	124.9	↑1.2
4/20 02:30	125.8	↑0.9
4/20 02:40	126.4	↑0.6
4/20 02:50	126.8	↑0.4
4/20 03:00	127.0	↑0.2	満潮
4/20 03:10	126.9	↓-0.1
4/20 03:20	126.6	↓-0.3
4/20 03:30	126.0	↓-0.6
4/20 03:40	125.2	↓-0.8
4/20 03:50	124.2	↓-1.0
4/20 04:00	123.0	↓-1.2
4/20 04:10	121.6	↓-1.4
4/20 04:20	120.0	↓-1.6
4/20 04:30	118.3	↓-1.7
4/20 04:40	116.4	↓-1.9
4/20 04:50	114.3	↓-2.1
4/20 05:00	112.0	↓-2.3
4/20 05:10	109.7	↓-2.3
4/20 05:20	107.2	↓-2.5
4/20 05:30	104.6	↓-2.6
4/20 05:40	102.0	↓-2.6
4/20 05:50	99.3	↓-2.7
4/20 06:00	96.5	↓-2.8
4/20 06:10	93.7	↓-2.8
4/20 06:20	91.0	↓-2.7
4/20 06:30	88.2	↓-2.8
4/20 06:40	85.5	↓-2.7
4/20 06:50	82.9	↓-2.6
4/20 07:00	80.4	↓-2.5
4/20 07:10	78.0	↓-2.4
4/20 07:20	75.8	↓-2.2
4/20 07:30	73.7	↓-2.1
4/20 07:40	71.9	↓-1.8
4/20 07:50	70.2	↓-1.7
4/20 08:00	68.8	↓-1.4
4/20 08:10	67.6	↓-1.2
4/20 08:20	66.7	↓-0.9
4/20 08:30	66.0	↓-0.7
4/20 08:40	65.6	↓-0.4
4/20 08:50	65.5	↓-0.1	干潮
4/20 09:00	65.6	↑0.1
4/20 09:10	65.9	↑0.3
4/20 09:20	66.5	↑0.6
4/20 09:30	67.3	↑0.8
4/20 09:40	68.4	↑1.1
4/20 09:50	69.7	↑1.3
4/20 10:00	71.1	↑1.4
4/20 10:10	72.8	↑1.7
4/20 10:20	74.6	↑1.8
4/20 10:30	76.5	↑1.9
4/20 10:40	78.6	↑2.1
4/20 10:50	80.8	↑2.2
4/20 11:00	83.2	↑2.4
4/20 11:10	85.6	↑2.4
4/20 11:20	88.1	↑2.5
4/20 11:30	90.7	↑2.6
4/20 11:40	93.3	↑2.6
4/20 11:50	95.9	↑2.6
4/20 12:00	98.5	↑2.6
4/20 12:10	101.2	↑2.7
4/20 12:20	103.8	↑2.6
4/20 12:30	106.3	↑2.5
4/20 12:40	108.7	↑2.4
4/20 12:50	111.1	↑2.4
4/20 13:00	113.3	↑2.2
4/20 13:10	115.4	↑2.1
4/20 13:20	117.3	↑1.9
4/20 13:30	119.0	↑1.7
4/20 13:40	120.5	↑1.5
4/20 13:50	121.8	↑1.3
4/20 14:00	122.9	↑1.1
4/20 14:10	123.7	↑0.8
4/20 14:20	124.2	↑0.5
4/20 14:30	124.4	↑0.2	満潮
4/20 14:40	124.4	0
4/20 14:50	124.1	↓-0.3
4/20 15:00	123.5	↓-0.6
4/20 15:10	122.6	↓-0.9
4/20 15:20	121.5	↓-1.1
4/20 15:30	120.1	↓-1.4
4/20 15:40	118.4	↓-1.7
4/20 15:50	116.5	↓-1.9
4/20 16:00	114.4	↓-2.1
4/20 16:10	112.0	↓-2.4
4/20 16:20	109.5	↓-2.5
4/20 16:30	106.7	↓-2.8
4/20 16:40	103.8	↓-2.9
4/20 16:50	100.8	↓-3.0
4/20 17:00	97.6	↓-3.2
4/20 17:10	94.3	↓-3.3
4/20 17:20	90.8	↓-3.5
4/20 17:30	87.3	↓-3.5
4/20 17:40	83.8	↓-3.5
4/20 17:50	80.2	↓-3.6	最大潮位差
4/20 18:00	76.6	↓-3.6	最大潮位差
4/20 18:10	73.0	↓-3.6	最大潮位差
4/20 18:20	69.4	↓-3.6	最大潮位差
4/20 18:30	65.9	↓-3.5
4/20 18:40	62.5	↓-3.4
4/20 18:50	59.1	↓-3.4
4/20 19:00	55.9	↓-3.2
4/20 19:10	52.9	↓-3.0
4/20 19:20	50.1	↓-2.8
4/20 19:30	47.5	↓-2.6
4/20 19:40	45.1	↓-2.4
4/20 19:50	43.0	↓-2.1
4/20 20:00	41.1	↓-1.9
4/20 20:10	39.5	↓-1.6
4/20 20:20	38.3	↓-1.2
4/20 20:30	37.4	↓-0.9
4/20 20:40	36.8	↓-0.6
4/20 20:50	36.5	↓-0.3	干潮
4/20 21:00	36.5	0
4/20 21:10	36.9	↑0.4
4/20 21:20	37.6	↑0.7
4/20 21:30	38.5	↑0.9
4/20 21:40	39.8	↑1.3
4/20 21:50	41.4	↑1.6
4/20 22:00	43.2	↑1.8
4/20 22:10	45.2	↑2.0
4/20 22:20	47.6	↑2.4
4/20 22:30	50.1	↑2.5
4/20 22:40	52.8	↑2.7
4/20 22:50	55.7	↑2.9
4/20 23:00	58.7	↑3.0
4/20 23:10	61.9	↑3.2
4/20 23:20	65.2	↑3.3
4/20 23:30	68.7	↑3.5
4/20 23:40	72.2	↑3.5
4/20 23:50	75.7	↑3.5