18 (木)	04:02	09:11	14:09	21:17
	139cm	101cm	136cm	9cm
中潮 出 06:25 入 17:28 出 14:13 入 04:14

館山（千葉）2027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	77.9	↑4.1
2/18 00:10	82.0	↑4.1
2/18 00:20	86.0	↑4.0
2/18 00:30	90.1	↑4.1
2/18 00:40	94.0	↑3.9
2/18 00:50	97.9	↑3.9
2/18 01:00	101.7	↑3.8
2/18 01:10	105.4	↑3.7
2/18 01:20	109.0	↑3.6
2/18 01:30	112.5	↑3.5
2/18 01:40	115.7	↑3.2
2/18 01:50	118.8	↑3.1
2/18 02:00	121.7	↑2.9
2/18 02:10	124.4	↑2.7
2/18 02:20	126.9	↑2.5
2/18 02:30	129.2	↑2.3
2/18 02:40	131.2	↑2.0
2/18 02:50	132.9	↑1.7
2/18 03:00	134.5	↑1.6
2/18 03:10	135.8	↑1.3
2/18 03:20	136.8	↑1.0
2/18 03:30	137.6	↑0.8
2/18 03:40	138.2	↑0.6
2/18 03:50	138.5	↑0.3
2/18 04:00	138.6	↑0.1	満潮
2/18 04:10	138.5	↓-0.1
2/18 04:20	138.3	↓-0.2
2/18 04:30	137.8	↓-0.5
2/18 04:40	137.1	↓-0.7
2/18 04:50	136.3	↓-0.8
2/18 05:00	135.3	↓-1.0
2/18 05:10	134.2	↓-1.1
2/18 05:20	132.9	↓-1.3
2/18 05:30	131.5	↓-1.4
2/18 05:40	130.0	↓-1.5
2/18 05:50	128.4	↓-1.6
2/18 06:00	126.7	↓-1.7
2/18 06:10	124.9	↓-1.8
2/18 06:20	123.1	↓-1.8
2/18 06:30	121.2	↓-1.9
2/18 06:40	119.3	↓-1.9
2/18 06:50	117.4	↓-1.9
2/18 07:00	115.5	↓-1.9
2/18 07:10	113.6	↓-1.9
2/18 07:20	111.8	↓-1.8
2/18 07:30	110.1	↓-1.7
2/18 07:40	108.5	↓-1.6
2/18 07:50	106.9	↓-1.6
2/18 08:00	105.6	↓-1.3
2/18 08:10	104.3	↓-1.3
2/18 08:20	103.2	↓-1.1
2/18 08:30	102.4	↓-0.8
2/18 08:40	101.7	↓-0.7
2/18 08:50	101.1	↓-0.6
2/18 09:00	100.8	↓-0.3
2/18 09:10	100.7	↓-0.1	干潮
2/18 09:20	100.8	↑0.1
2/18 09:30	101.1	↑0.3
2/18 09:40	101.6	↑0.5
2/18 09:50	102.3	↑0.7
2/18 10:00	103.1	↑0.8
2/18 10:10	104.1	↑1.0
2/18 10:20	105.2	↑1.1
2/18 10:30	106.5	↑1.3
2/18 10:40	107.9	↑1.4
2/18 10:50	109.3	↑1.4
2/18 11:00	110.9	↑1.6
2/18 11:10	112.5	↑1.6
2/18 11:20	114.2	↑1.7
2/18 11:30	115.9	↑1.7
2/18 11:40	117.7	↑1.8
2/18 11:50	119.4	↑1.7
2/18 12:00	121.2	↑1.8
2/18 12:10	122.9	↑1.7
2/18 12:20	124.5	↑1.6
2/18 12:30	126.2	↑1.7
2/18 12:40	127.7	↑1.5
2/18 12:50	129.2	↑1.5
2/18 13:00	130.5	↑1.3
2/18 13:10	131.7	↑1.2
2/18 13:20	132.8	↑1.1
2/18 13:30	133.7	↑0.9
2/18 13:40	134.5	↑0.8
2/18 13:50	135.0	↑0.5
2/18 14:00	135.3	↑0.3	満潮
2/18 14:10	135.4	↑0.1
2/18 14:20	135.2	↓-0.2
2/18 14:30	134.8	↓-0.4
2/18 14:40	134.0	↓-0.8
2/18 14:50	133.0	↓-1.0
2/18 15:00	131.7	↓-1.3
2/18 15:10	130.2	↓-1.5
2/18 15:20	128.3	↓-1.9
2/18 15:30	126.1	↓-2.2
2/18 15:40	123.7	↓-2.4
2/18 15:50	121.0	↓-2.7
2/18 16:00	118.0	↓-3.0
2/18 16:10	114.8	↓-3.2
2/18 16:20	111.3	↓-3.5
2/18 16:30	107.7	↓-3.6
2/18 16:40	103.8	↓-3.9
2/18 16:50	99.8	↓-4.0
2/18 17:00	95.6	↓-4.2
2/18 17:10	91.3	↓-4.3
2/18 17:20	86.8	↓-4.5
2/18 17:30	82.3	↓-4.5
2/18 17:40	77.7	↓-4.6
2/18 17:50	73.1	↓-4.6
2/18 18:00	68.4	↓-4.7	最大潮位差
2/18 18:10	63.8	↓-4.6
2/18 18:20	59.1	↓-4.7	最大潮位差
2/18 18:30	54.5	↓-4.6
2/18 18:40	50.0	↓-4.5
2/18 18:50	45.6	↓-4.4
2/18 19:00	41.3	↓-4.3
2/18 19:10	37.1	↓-4.2
2/18 19:20	33.2	↓-3.9
2/18 19:30	29.4	↓-3.8
2/18 19:40	25.9	↓-3.5
2/18 19:50	22.7	↓-3.2
2/18 20:00	19.7	↓-3.0
2/18 20:10	17.0	↓-2.7
2/18 20:20	14.7	↓-2.3
2/18 20:30	12.7	↓-2.0
2/18 20:40	11.1	↓-1.6
2/18 20:50	9.9	↓-1.2
2/18 21:00	9.0	↓-0.9
2/18 21:10	8.6	↓-0.4	干潮
2/18 21:20	8.6	0
2/18 21:30	8.9	↑0.3
2/18 21:40	9.6	↑0.7
2/18 21:50	10.8	↑1.2
2/18 22:00	12.3	↑1.5
2/18 22:10	14.1	↑1.8
2/18 22:20	16.3	↑2.2
2/18 22:30	18.9	↑2.6
2/18 22:40	21.7	↑2.8
2/18 22:50	24.8	↑3.1
2/18 23:00	28.2	↑3.4
2/18 23:10	31.9	↑3.7
2/18 23:20	35.7	↑3.8
2/18 23:30	39.8	↑4.1
2/18 23:40	44.0	↑4.2
2/18 23:50	48.4	↑4.4