20 (月)	06:26	11:49	17:35	-
	140cm	86cm	152cm	-
中潮 出 05:24 入 17:40 出 19:37 入 09:28

大洗（茨城）2027年09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
9/20 00:00	37.2	↓-0.1
9/20 00:10	37.5	↑0.3
9/20 00:20	38.2	↑0.7
9/20 00:30	39.2	↑1.0
9/20 00:40	40.5	↑1.3
9/20 00:50	42.2	↑1.7
9/20 01:00	44.1	↑1.9
9/20 01:10	46.4	↑2.3
9/20 01:20	49.0	↑2.6
9/20 01:30	51.9	↑2.9
9/20 01:40	55.0	↑3.1
9/20 01:50	58.3	↑3.3
9/20 02:00	61.8	↑3.5
9/20 02:10	65.6	↑3.8
9/20 02:20	69.4	↑3.8
9/20 02:30	73.5	↑4.1
9/20 02:40	77.6	↑4.1
9/20 02:50	81.7	↑4.1
9/20 03:00	86.0	↑4.3
9/20 03:10	90.2	↑4.2
9/20 03:20	94.4	↑4.2
9/20 03:30	98.5	↑4.1
9/20 03:40	102.6	↑4.1
9/20 03:50	106.5	↑3.9
9/20 04:00	110.4	↑3.9
9/20 04:10	114.0	↑3.6
9/20 04:20	117.5	↑3.5
9/20 04:30	120.7	↑3.2
9/20 04:40	123.8	↑3.1
9/20 04:50	126.6	↑2.8
9/20 05:00	129.1	↑2.5
9/20 05:10	131.4	↑2.3
9/20 05:20	133.4	↑2.0
9/20 05:30	135.2	↑1.8
9/20 05:40	136.6	↑1.4
9/20 05:50	137.8	↑1.2
9/20 06:00	138.6	↑0.8
9/20 06:10	139.2	↑0.6
9/20 06:20	139.4	↑0.2	満潮
9/20 06:30	139.4	0
9/20 06:40	139.1	↓-0.3
9/20 06:50	138.6	↓-0.5
9/20 07:00	137.7	↓-0.9
9/20 07:10	136.7	↓-1.0
9/20 07:20	135.4	↓-1.3
9/20 07:30	133.8	↓-1.6
9/20 07:40	132.1	↓-1.7
9/20 07:50	130.2	↓-1.9
9/20 08:00	128.1	↓-2.1
9/20 08:10	125.9	↓-2.2
9/20 08:20	123.5	↓-2.4
9/20 08:30	121.1	↓-2.4
9/20 08:40	118.6	↓-2.5
9/20 08:50	116.0	↓-2.6
9/20 09:00	113.4	↓-2.6
9/20 09:10	110.8	↓-2.6
9/20 09:20	108.2	↓-2.6
9/20 09:30	105.7	↓-2.5
9/20 09:40	103.2	↓-2.5
9/20 09:50	100.8	↓-2.4
9/20 10:00	98.6	↓-2.2
9/20 10:10	96.4	↓-2.2
9/20 10:20	94.5	↓-1.9
9/20 10:30	92.7	↓-1.8
9/20 10:40	91.0	↓-1.7
9/20 10:50	89.6	↓-1.4
9/20 11:00	88.4	↓-1.2
9/20 11:10	87.3	↓-1.1
9/20 11:20	86.6	↓-0.7
9/20 11:30	86.0	↓-0.6
9/20 11:40	85.7	↓-0.3	干潮
9/20 11:50	85.6	↓-0.1
9/20 12:00	85.8	↑0.2
9/20 12:10	86.2	↑0.4
9/20 12:20	86.8	↑0.6
9/20 12:30	87.7	↑0.9
9/20 12:40	88.8	↑1.1
9/20 12:50	90.1	↑1.3
9/20 13:00	91.7	↑1.6
9/20 13:10	93.5	↑1.8
9/20 13:20	95.5	↑2.0
9/20 13:30	97.7	↑2.2
9/20 13:40	100.0	↑2.3
9/20 13:50	102.5	↑2.5
9/20 14:00	105.2	↑2.7
9/20 14:10	108.0	↑2.8
9/20 14:20	110.8	↑2.8
9/20 14:30	113.8	↑3.0
9/20 14:40	116.8	↑3.0
9/20 14:50	119.8	↑3.0
9/20 15:00	122.8	↑3.0
9/20 15:10	125.9	↑3.1
9/20 15:20	128.8	↑2.9
9/20 15:30	131.7	↑2.9
9/20 15:40	134.5	↑2.8
9/20 15:50	137.1	↑2.6
9/20 16:00	139.6	↑2.5
9/20 16:10	141.9	↑2.3
9/20 16:20	144.0	↑2.1
9/20 16:30	145.9	↑1.9
9/20 16:40	147.6	↑1.7
9/20 16:50	149.0	↑1.4
9/20 17:00	150.1	↑1.1
9/20 17:10	151.0	↑0.9
9/20 17:20	151.6	↑0.6
9/20 17:30	151.9	↑0.3	満潮
9/20 17:40	151.8	↓-0.1
9/20 17:50	151.5	↓-0.3
9/20 18:00	150.8	↓-0.7
9/20 18:10	149.9	↓-0.9
9/20 18:20	148.6	↓-1.3
9/20 18:30	147.1	↓-1.5
9/20 18:40	145.2	↓-1.9
9/20 18:50	143.1	↓-2.1
9/20 19:00	140.7	↓-2.4
9/20 19:10	138.0	↓-2.7
9/20 19:20	135.0	↓-3.0
9/20 19:30	131.8	↓-3.2
9/20 19:40	128.4	↓-3.4
9/20 19:50	124.8	↓-3.6
9/20 20:00	121.0	↓-3.8
9/20 20:10	117.1	↓-3.9
9/20 20:20	113.0	↓-4.1
9/20 20:30	108.7	↓-4.3
9/20 20:40	104.4	↓-4.3
9/20 20:50	100.1	↓-4.3
9/20 21:00	95.6	↓-4.5	最大潮位差
9/20 21:10	91.2	↓-4.4
9/20 21:20	86.8	↓-4.4
9/20 21:30	82.4	↓-4.4
9/20 21:40	78.1	↓-4.3
9/20 21:50	73.9	↓-4.2
9/20 22:00	69.8	↓-4.1
9/20 22:10	65.9	↓-3.9
9/20 22:20	62.1	↓-3.8
9/20 22:30	58.5	↓-3.6
9/20 22:40	55.1	↓-3.4
9/20 22:50	51.9	↓-3.2
9/20 23:00	49.0	↓-2.9
9/20 23:10	46.3	↓-2.7
9/20 23:20	43.9	↓-2.4
9/20 23:30	41.8	↓-2.1
9/20 23:40	40.0	↓-1.8
9/20 23:50	38.5	↓-1.5