1 (水)	03:59	10:00	16:00	22:19
	148cm	59cm	148cm	34cm
大潮 出 05:33 入 17:24 出 17:27 入 05:44

大洗（茨城）2031年10月1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
10/1 00:00	75.2	↑4.0
10/1 00:10	79.3	↑4.1
10/1 00:20	83.6	↑4.3
10/1 00:30	88.0	↑4.4
10/1 00:40	92.3	↑4.3
10/1 00:50	96.7	↑4.4
10/1 01:00	101.1	↑4.4
10/1 01:10	105.4	↑4.3
10/1 01:20	109.7	↑4.3
10/1 01:30	113.8	↑4.1
10/1 01:40	117.8	↑4.0
10/1 01:50	121.6	↑3.8
10/1 02:00	125.3	↑3.7
10/1 02:10	128.7	↑3.4
10/1 02:20	131.9	↑3.2
10/1 02:30	134.8	↑2.9
10/1 02:40	137.4	↑2.6
10/1 02:50	139.8	↑2.4
10/1 03:00	141.9	↑2.1
10/1 03:10	143.6	↑1.7
10/1 03:20	145.1	↑1.5
10/1 03:30	146.2	↑1.1
10/1 03:40	146.9	↑0.7
10/1 03:50	147.4	↑0.5	満潮
10/1 04:00	147.5	↑0.1
10/1 04:10	147.2	↓-0.3
10/1 04:20	146.6	↓-0.6
10/1 04:30	145.7	↓-0.9
10/1 04:40	144.5	↓-1.2
10/1 04:50	142.9	↓-1.6
10/1 05:00	141.0	↓-1.9
10/1 05:10	138.9	↓-2.1
10/1 05:20	136.4	↓-2.5
10/1 05:30	133.7	↓-2.7
10/1 05:40	130.8	↓-2.9
10/1 05:50	127.6	↓-3.2
10/1 06:00	124.3	↓-3.3
10/1 06:10	120.8	↓-3.5
10/1 06:20	117.1	↓-3.7
10/1 06:30	113.4	↓-3.7
10/1 06:40	109.6	↓-3.8
10/1 06:50	105.7	↓-3.9
10/1 07:00	101.8	↓-3.9
10/1 07:10	97.9	↓-3.9
10/1 07:20	94.0	↓-3.9
10/1 07:30	90.3	↓-3.7
10/1 07:40	86.6	↓-3.7
10/1 07:50	83.0	↓-3.6
10/1 08:00	79.6	↓-3.4
10/1 08:10	76.4	↓-3.2
10/1 08:20	73.4	↓-3.0
10/1 08:30	70.6	↓-2.8
10/1 08:40	68.0	↓-2.6
10/1 08:50	65.7	↓-2.3
10/1 09:00	63.7	↓-2.0
10/1 09:10	62.0	↓-1.7
10/1 09:20	60.6	↓-1.4
10/1 09:30	59.5	↓-1.1
10/1 09:40	58.7	↓-0.8
10/1 09:50	58.2	↓-0.5	干潮
10/1 10:00	58.1	↓-0.1	干潮
10/1 10:10	58.3	↑0.2
10/1 10:20	58.8	↑0.5
10/1 10:30	59.6	↑0.8
10/1 10:40	60.8	↑1.2
10/1 10:50	62.3	↑1.5
10/1 11:00	64.1	↑1.8
10/1 11:10	66.2	↑2.1
10/1 11:20	68.6	↑2.4
10/1 11:30	71.3	↑2.7
10/1 11:40	74.2	↑2.9
10/1 11:50	77.3	↑3.1
10/1 12:00	80.6	↑3.3
10/1 12:10	84.1	↑3.5
10/1 12:20	87.7	↑3.6
10/1 12:30	91.5	↑3.8
10/1 12:40	95.3	↑3.8
10/1 12:50	99.2	↑3.9
10/1 13:00	103.1	↑3.9
10/1 13:10	107.1	↑4.0
10/1 13:20	111.0	↑3.9
10/1 13:30	114.8	↑3.8
10/1 13:40	118.5	↑3.7
10/1 13:50	122.1	↑3.6
10/1 14:00	125.6	↑3.5
10/1 14:10	128.9	↑3.3
10/1 14:20	132.0	↑3.1
10/1 14:30	134.8	↑2.8
10/1 14:40	137.5	↑2.7
10/1 14:50	139.8	↑2.3
10/1 15:00	141.9	↑2.1
10/1 15:10	143.7	↑1.8
10/1 15:20	145.2	↑1.5
10/1 15:30	146.3	↑1.1
10/1 15:40	147.2	↑0.9
10/1 15:50	147.6	↑0.4	満潮
10/1 16:00	147.8	↑0.2	満潮
10/1 16:10	147.6	↓-0.2
10/1 16:20	147.0	↓-0.6
10/1 16:30	146.1	↓-0.9
10/1 16:40	144.8	↓-1.3
10/1 16:50	143.1	↓-1.7
10/1 17:00	141.1	↓-2.0
10/1 17:10	138.8	↓-2.3
10/1 17:20	136.1	↓-2.7
10/1 17:30	133.2	↓-2.9
10/1 17:40	129.9	↓-3.3
10/1 17:50	126.4	↓-3.5
10/1 18:00	122.6	↓-3.8
10/1 18:10	118.6	↓-4.0
10/1 18:20	114.4	↓-4.2
10/1 18:30	110.0	↓-4.4
10/1 18:40	105.5	↓-4.5
10/1 18:50	100.8	↓-4.7
10/1 19:00	96.1	↓-4.7
10/1 19:10	91.4	↓-4.7
10/1 19:20	86.6	↓-4.8	最大潮位差
10/1 19:30	81.9	↓-4.7
10/1 19:40	77.2	↓-4.7
10/1 19:50	72.6	↓-4.6
10/1 20:00	68.2	↓-4.4
10/1 20:10	63.9	↓-4.3
10/1 20:20	59.8	↓-4.1
10/1 20:30	55.9	↓-3.9
10/1 20:40	52.2	↓-3.7
10/1 20:50	48.9	↓-3.3
10/1 21:00	45.8	↓-3.1
10/1 21:10	43.1	↓-2.7
10/1 21:20	40.6	↓-2.5
10/1 21:30	38.6	↓-2.0
10/1 21:40	36.9	↓-1.7
10/1 21:50	35.6	↓-1.3
10/1 22:00	34.6	↓-1.0
10/1 22:10	34.1	↓-0.5	干潮
10/1 22:20	33.9	↓-0.2
10/1 22:30	34.2	↑0.3
10/1 22:40	34.9	↑0.7
10/1 22:50	35.9	↑1.0
10/1 23:00	37.4	↑1.5
10/1 23:10	39.2	↑1.8
10/1 23:20	41.4	↑2.2
10/1 23:30	44.0	↑2.6
10/1 23:40	46.9	↑2.9
10/1 23:50	50.1	↑3.2