20 (木)	08:09	01:41	22:53	15:40
	140cm	82cm	100cm	45cm
小潮 出 06:22 入 17:30 出 - 入 09:53

館山（千葉）2025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	88.9	↓-1.2
2/20 00:10	87.7	↓-1.2
2/20 00:20	86.5	↓-1.2
2/20 00:30	85.5	↓-1.0
2/20 00:40	84.6	↓-0.9
2/20 00:50	83.7	↓-0.9
2/20 01:00	83.0	↓-0.7
2/20 01:10	82.5	↓-0.5
2/20 01:20	82.0	↓-0.5
2/20 01:30	81.8	↓-0.2
2/20 01:40	81.7	↓-0.1	干潮
2/20 01:50	81.8	↑0.1
2/20 02:00	82.0	↑0.2
2/20 02:10	82.5	↑0.5
2/20 02:20	83.1	↑0.6
2/20 02:30	83.9	↑0.8
2/20 02:40	84.8	↑0.9
2/20 02:50	85.9	↑1.1
2/20 03:00	87.1	↑1.2
2/20 03:10	88.5	↑1.4
2/20 03:20	90.0	↑1.5
2/20 03:30	91.7	↑1.7
2/20 03:40	93.4	↑1.7
2/20 03:50	95.3	↑1.9
2/20 04:00	97.2	↑1.9
2/20 04:10	99.2	↑2.0
2/20 04:20	101.3	↑2.1
2/20 04:30	103.4	↑2.1
2/20 04:40	105.6	↑2.2
2/20 04:50	107.8	↑2.2
2/20 05:00	110.0	↑2.2
2/20 05:10	112.3	↑2.3
2/20 05:20	114.5	↑2.2
2/20 05:30	116.8	↑2.3
2/20 05:40	119.0	↑2.2
2/20 05:50	121.2	↑2.2
2/20 06:00	123.3	↑2.1
2/20 06:10	125.4	↑2.1
2/20 06:20	127.4	↑2.0
2/20 06:30	129.3	↑1.9
2/20 06:40	131.1	↑1.8
2/20 06:50	132.8	↑1.7
2/20 07:00	134.3	↑1.5
2/20 07:10	135.6	↑1.3
2/20 07:20	136.8	↑1.2
2/20 07:30	137.7	↑0.9
2/20 07:40	138.5	↑0.8
2/20 07:50	139.0	↑0.5
2/20 08:00	139.3	↑0.3	満潮
2/20 08:10	139.4	↑0.1
2/20 08:20	139.3	↓-0.1
2/20 08:30	138.9	↓-0.4
2/20 08:40	138.2	↓-0.7
2/20 08:50	137.3	↓-0.9
2/20 09:00	136.2	↓-1.1
2/20 09:10	134.9	↓-1.3
2/20 09:20	133.3	↓-1.6
2/20 09:30	131.6	↓-1.7
2/20 09:40	129.6	↓-2.0
2/20 09:50	127.5	↓-2.1
2/20 10:00	125.1	↓-2.4
2/20 10:10	122.7	↓-2.4
2/20 10:20	120.0	↓-2.7
2/20 10:30	117.3	↓-2.7
2/20 10:40	114.4	↓-2.9
2/20 10:50	111.4	↓-3.0
2/20 11:00	108.3	↓-3.1
2/20 11:10	105.2	↓-3.1
2/20 11:20	101.9	↓-3.3
2/20 11:30	98.7	↓-3.2
2/20 11:40	95.3	↓-3.4	最大潮位差
2/20 11:50	92.0	↓-3.3
2/20 12:00	88.7	↓-3.3
2/20 12:10	85.3	↓-3.4	最大潮位差
2/20 12:20	82.0	↓-3.3
2/20 12:30	78.8	↓-3.2
2/20 12:40	75.6	↓-3.2
2/20 12:50	72.5	↓-3.1
2/20 13:00	69.5	↓-3.0
2/20 13:10	66.6	↓-2.9
2/20 13:20	63.9	↓-2.7
2/20 13:30	61.3	↓-2.6
2/20 13:40	58.9	↓-2.4
2/20 13:50	56.6	↓-2.3
2/20 14:00	54.5	↓-2.1
2/20 14:10	52.7	↓-1.8
2/20 14:20	51.0	↓-1.7
2/20 14:30	49.5	↓-1.5
2/20 14:40	48.2	↓-1.3
2/20 14:50	47.2	↓-1.0
2/20 15:00	46.3	↓-0.9
2/20 15:10	45.7	↓-0.6
2/20 15:20	45.2	↓-0.5
2/20 15:30	45.0	↓-0.2	干潮
2/20 15:40	44.9	↓-0.1	干潮
2/20 15:50	45.0	↑0.1
2/20 16:00	45.2	↑0.2
2/20 16:10	45.7	↑0.5
2/20 16:20	46.3	↑0.6
2/20 16:30	47.0	↑0.7
2/20 16:40	47.9	↑0.9
2/20 16:50	49.0	↑1.1
2/20 17:00	50.2	↑1.2
2/20 17:10	51.5	↑1.3
2/20 17:20	52.9	↑1.4
2/20 17:30	54.5	↑1.6
2/20 17:40	56.2	↑1.7
2/20 17:50	57.9	↑1.7
2/20 18:00	59.8	↑1.9
2/20 18:10	61.8	↑2.0
2/20 18:20	63.8	↑2.0
2/20 18:30	65.8	↑2.0
2/20 18:40	68.0	↑2.2
2/20 18:50	70.1	↑2.1
2/20 19:00	72.3	↑2.2
2/20 19:10	74.4	↑2.1
2/20 19:20	76.6	↑2.2
2/20 19:30	78.7	↑2.1
2/20 19:40	80.7	↑2.0
2/20 19:50	82.7	↑2.0
2/20 20:00	84.6	↑1.9
2/20 20:10	86.3	↑1.7
2/20 20:20	88.0	↑1.7
2/20 20:30	89.6	↑1.6
2/20 20:40	91.1	↑1.5
2/20 20:50	92.4	↑1.3
2/20 21:00	93.6	↑1.2
2/20 21:10	94.7	↑1.1
2/20 21:20	95.6	↑0.9
2/20 21:30	96.4	↑0.8
2/20 21:40	97.2	↑0.8
2/20 21:50	97.8	↑0.6
2/20 22:00	98.2	↑0.4
2/20 22:10	98.6	↑0.4
2/20 22:20	98.9	↑0.3
2/20 22:30	99.1	↑0.2
2/20 22:40	99.3	↑0.2
2/20 22:50	99.3	0	満潮
2/20 23:00	99.3	0
2/20 23:10	99.2	↓-0.1
2/20 23:20	99.1	↓-0.1
2/20 23:30	98.9	↓-0.2
2/20 23:40	98.6	↓-0.3
2/20 23:50	98.4	↓-0.2