20 (火)	07:42	01:21	21:12	14:46
	143cm	74cm	109cm	43cm
小潮 出 06:22 入 17:30 出 09:23 入 23:51

館山（千葉）2029年02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
2/20 00:00	80.7	↓-1.7
2/20 00:10	79.2	↓-1.5
2/20 00:20	77.8	↓-1.4
2/20 00:30	76.6	↓-1.2
2/20 00:40	75.7	↓-0.9
2/20 00:50	74.9	↓-0.8
2/20 01:00	74.3	↓-0.6
2/20 01:10	74.0	↓-0.3
2/20 01:20	73.8	↓-0.2	干潮
2/20 01:30	73.9	↑0.1
2/20 01:40	74.3	↑0.4
2/20 01:50	74.9	↑0.6
2/20 02:00	75.6	↑0.7
2/20 02:10	76.7	↑1.1
2/20 02:20	77.9	↑1.2
2/20 02:30	79.3	↑1.4
2/20 02:40	80.9	↑1.6
2/20 02:50	82.6	↑1.7
2/20 03:00	84.6	↑2.0
2/20 03:10	86.6	↑2.0
2/20 03:20	88.8	↑2.2
2/20 03:30	91.1	↑2.3
2/20 03:40	93.5	↑2.4
2/20 03:50	96.0	↑2.5
2/20 04:00	98.6	↑2.6
2/20 04:10	101.2	↑2.6
2/20 04:20	103.9	↑2.7
2/20 04:30	106.6	↑2.7
2/20 04:40	109.3	↑2.7
2/20 04:50	112.1	↑2.8
2/20 05:00	114.8	↑2.7
2/20 05:10	117.5	↑2.7
2/20 05:20	120.1	↑2.6
2/20 05:30	122.7	↑2.6
2/20 05:40	125.2	↑2.5
2/20 05:50	127.6	↑2.4
2/20 06:00	129.8	↑2.2
2/20 06:10	132.0	↑2.2
2/20 06:20	133.9	↑1.9
2/20 06:30	135.7	↑1.8
2/20 06:40	137.3	↑1.6
2/20 06:50	138.7	↑1.4
2/20 07:00	139.9	↑1.2
2/20 07:10	140.8	↑0.9
2/20 07:20	141.5	↑0.7
2/20 07:30	141.9	↑0.4
2/20 07:40	142.1	↑0.2	満潮
2/20 07:50	142.0	↓-0.1
2/20 08:00	141.6	↓-0.4
2/20 08:10	140.9	↓-0.7
2/20 08:20	140.0	↓-0.9
2/20 08:30	138.8	↓-1.2
2/20 08:40	137.4	↓-1.4
2/20 08:50	135.7	↓-1.7
2/20 09:00	133.7	↓-2.0
2/20 09:10	131.6	↓-2.1
2/20 09:20	129.2	↓-2.4
2/20 09:30	126.6	↓-2.6
2/20 09:40	123.9	↓-2.7
2/20 09:50	120.9	↓-3.0
2/20 10:00	117.9	↓-3.0
2/20 10:10	114.6	↓-3.3
2/20 10:20	111.3	↓-3.3
2/20 10:30	107.8	↓-3.5
2/20 10:40	104.3	↓-3.5
2/20 10:50	100.7	↓-3.6
2/20 11:00	97.0	↓-3.7	最大潮位差
2/20 11:10	93.3	↓-3.7	最大潮位差
2/20 11:20	89.6	↓-3.7	最大潮位差
2/20 11:30	85.9	↓-3.7	最大潮位差
2/20 11:40	82.2	↓-3.7	最大潮位差
2/20 11:50	78.6	↓-3.6
2/20 12:00	75.0	↓-3.6
2/20 12:10	71.5	↓-3.5
2/20 12:20	68.2	↓-3.3
2/20 12:30	64.9	↓-3.3
2/20 12:40	61.9	↓-3.0
2/20 12:50	59.0	↓-2.9
2/20 13:00	56.3	↓-2.7
2/20 13:10	53.8	↓-2.5
2/20 13:20	51.5	↓-2.3
2/20 13:30	49.4	↓-2.1
2/20 13:40	47.6	↓-1.8
2/20 13:50	46.1	↓-1.5
2/20 14:00	44.8	↓-1.3
2/20 14:10	43.8	↓-1.0
2/20 14:20	43.0	↓-0.8
2/20 14:30	42.5	↓-0.5
2/20 14:40	42.2	↓-0.3	干潮
2/20 14:50	42.2	0
2/20 15:00	42.4	↑0.2
2/20 15:10	42.9	↑0.5
2/20 15:20	43.6	↑0.7
2/20 15:30	44.5	↑0.9
2/20 15:40	45.6	↑1.1
2/20 15:50	46.9	↑1.3
2/20 16:00	48.4	↑1.5
2/20 16:10	50.1	↑1.7
2/20 16:20	52.0	↑1.9
2/20 16:30	54.0	↑2.0
2/20 16:40	56.1	↑2.1
2/20 16:50	58.4	↑2.3
2/20 17:00	60.8	↑2.4
2/20 17:10	63.2	↑2.4
2/20 17:20	65.8	↑2.6
2/20 17:30	68.5	↑2.7
2/20 17:40	71.2	↑2.7
2/20 17:50	73.9	↑2.7
2/20 18:00	76.7	↑2.8
2/20 18:10	79.5	↑2.8
2/20 18:20	82.2	↑2.7
2/20 18:30	84.9	↑2.7
2/20 18:40	87.5	↑2.6
2/20 18:50	90.1	↑2.6
2/20 19:00	92.5	↑2.4
2/20 19:10	94.8	↑2.3
2/20 19:20	97.0	↑2.2
2/20 19:30	99.0	↑2.0
2/20 19:40	100.9	↑1.9
2/20 19:50	102.5	↑1.6
2/20 20:00	104.0	↑1.5
2/20 20:10	105.3	↑1.3
2/20 20:20	106.3	↑1.0
2/20 20:30	107.2	↑0.9
2/20 20:40	107.9	↑0.7
2/20 20:50	108.4	↑0.5
2/20 21:00	108.6	↑0.2
2/20 21:10	108.7	↑0.1	満潮
2/20 21:20	108.7	0
2/20 21:30	108.4	↓-0.3
2/20 21:40	108.0	↓-0.4
2/20 21:50	107.5	↓-0.5
2/20 22:00	106.8	↓-0.7
2/20 22:10	106.1	↓-0.7
2/20 22:20	105.2	↓-0.9
2/20 22:30	104.2	↓-1.0
2/20 22:40	103.1	↓-1.1
2/20 22:50	102.0	↓-1.1
2/20 23:00	100.8	↓-1.2
2/20 23:10	99.6	↓-1.2
2/20 23:20	98.4	↓-1.2
2/20 23:30	97.2	↓-1.2
2/20 23:40	95.9	↓-1.3
2/20 23:50	94.7	↓-1.2