20 (月)	09:02	02:15	-	17:05
	134cm	85cm	-	48cm
小潮 出 06:23 入 17:29 出 10:50 入 00:20

館山（千葉）2040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	93.6	↓-1.0
2/20 00:10	92.6	↓-1.0
2/20 00:20	91.6	↓-1.0
2/20 00:30	90.7	↓-0.9
2/20 00:40	89.7	↓-1.0
2/20 00:50	88.8	↓-0.9
2/20 01:00	88.0	↓-0.8
2/20 01:10	87.3	↓-0.7
2/20 01:20	86.6	↓-0.7
2/20 01:30	86.0	↓-0.6
2/20 01:40	85.6	↓-0.4
2/20 01:50	85.2	↓-0.4
2/20 02:00	85.0	↓-0.2
2/20 02:10	84.9	↓-0.1	干潮
2/20 02:20	84.9	0
2/20 02:30	85.0	↑0.1
2/20 02:40	85.3	↑0.3
2/20 02:50	85.7	↑0.4
2/20 03:00	86.2	↑0.5
2/20 03:10	86.8	↑0.6
2/20 03:20	87.5	↑0.7
2/20 03:30	88.4	↑0.9
2/20 03:40	89.3	↑0.9
2/20 03:50	90.4	↑1.1
2/20 04:00	91.5	↑1.1
2/20 04:10	92.7	↑1.2
2/20 04:20	94.0	↑1.3
2/20 04:30	95.3	↑1.3
2/20 04:40	96.8	↑1.5
2/20 04:50	98.3	↑1.5
2/20 05:00	99.9	↑1.6
2/20 05:10	101.5	↑1.6
2/20 05:20	103.2	↑1.7
2/20 05:30	104.9	↑1.7
2/20 05:40	106.7	↑1.8
2/20 05:50	108.6	↑1.9
2/20 06:00	110.4	↑1.8
2/20 06:10	112.3	↑1.9
2/20 06:20	114.2	↑1.9
2/20 06:30	116.1	↑1.9
2/20 06:40	117.9	↑1.8
2/20 06:50	119.7	↑1.8
2/20 07:00	121.5	↑1.8
2/20 07:10	123.2	↑1.7
2/20 07:20	124.8	↑1.6
2/20 07:30	126.3	↑1.5
2/20 07:40	127.7	↑1.4
2/20 07:50	129.0	↑1.3
2/20 08:00	130.2	↑1.2
2/20 08:10	131.1	↑0.9
2/20 08:20	132.0	↑0.9
2/20 08:30	132.6	↑0.6
2/20 08:40	133.1	↑0.5
2/20 08:50	133.4	↑0.3
2/20 09:00	133.5	↑0.1	満潮
2/20 09:10	133.4	↓-0.1
2/20 09:20	133.2	↓-0.2
2/20 09:30	132.8	↓-0.4
2/20 09:40	132.2	↓-0.6
2/20 09:50	131.4	↓-0.8
2/20 10:00	130.4	↓-1.0
2/20 10:10	129.3	↓-1.1
2/20 10:20	128.0	↓-1.3
2/20 10:30	126.6	↓-1.4
2/20 10:40	125.0	↓-1.6
2/20 10:50	123.3	↓-1.7
2/20 11:00	121.4	↓-1.9
2/20 11:10	119.4	↓-2.0
2/20 11:20	117.2	↓-2.2
2/20 11:30	115.0	↓-2.2
2/20 11:40	112.6	↓-2.4
2/20 11:50	110.1	↓-2.5
2/20 12:00	107.5	↓-2.6
2/20 12:10	104.8	↓-2.7
2/20 12:20	102.0	↓-2.8
2/20 12:30	99.2	↓-2.8
2/20 12:40	96.3	↓-2.9
2/20 12:50	93.4	↓-2.9
2/20 13:00	90.5	↓-2.9
2/20 13:10	87.5	↓-3.0	最大潮位差
2/20 13:20	84.6	↓-2.9
2/20 13:30	81.7	↓-2.9
2/20 13:40	78.9	↓-2.8
2/20 13:50	76.2	↓-2.7
2/20 14:00	73.5	↓-2.7
2/20 14:10	70.9	↓-2.6
2/20 14:20	68.4	↓-2.5
2/20 14:30	66.1	↓-2.3
2/20 14:40	63.8	↓-2.3
2/20 14:50	61.7	↓-2.1
2/20 15:00	59.7	↓-2.0
2/20 15:10	57.9	↓-1.8
2/20 15:20	56.2	↓-1.7
2/20 15:30	54.7	↓-1.5
2/20 15:40	53.3	↓-1.4
2/20 15:50	52.0	↓-1.3
2/20 16:00	50.9	↓-1.1
2/20 16:10	50.0	↓-0.9
2/20 16:20	49.2	↓-0.8
2/20 16:30	48.5	↓-0.7
2/20 16:40	48.1	↓-0.4
2/20 16:50	47.8	↓-0.3
2/20 17:00	47.6	↓-0.2	干潮
2/20 17:10	47.6	0
2/20 17:20	47.8	↑0.2
2/20 17:30	48.2	↑0.4
2/20 17:40	48.7	↑0.5
2/20 17:50	49.4	↑0.7
2/20 18:00	50.2	↑0.8
2/20 18:10	51.2	↑1.0
2/20 18:20	52.4	↑1.2
2/20 18:30	53.6	↑1.2
2/20 18:40	55.1	↑1.5
2/20 18:50	56.6	↑1.5
2/20 19:00	58.2	↑1.6
2/20 19:10	59.9	↑1.7
2/20 19:20	61.7	↑1.8
2/20 19:30	63.5	↑1.8
2/20 19:40	65.4	↑1.9
2/20 19:50	67.3	↑1.9
2/20 20:00	69.1	↑1.8
2/20 20:10	71.0	↑1.9
2/20 20:20	72.8	↑1.8
2/20 20:30	74.6	↑1.8
2/20 20:40	76.4	↑1.8
2/20 20:50	78.1	↑1.7
2/20 21:00	79.7	↑1.6
2/20 21:10	81.2	↑1.5
2/20 21:20	82.7	↑1.5
2/20 21:30	84.0	↑1.3
2/20 21:40	85.3	↑1.3
2/20 21:50	86.6	↑1.3
2/20 22:00	87.7	↑1.1
2/20 22:10	88.8	↑1.1
2/20 22:20	89.8	↑1.0
2/20 22:30	90.7	↑0.9
2/20 22:40	91.5	↑0.8
2/20 22:50	92.3	↑0.8
2/20 23:00	93.0	↑0.7
2/20 23:10	93.6	↑0.6
2/20 23:20	94.2	↑0.6
2/20 23:30	94.7	↑0.5
2/20 23:40	95.1	↑0.4
2/20 23:50	95.5	↑0.4