1 (金)	04:34	10:31	16:22	22:43
	141cm	57cm	132cm	28cm
大潮 出 05:33 入 17:24 出 06:37 入 17:39

那珂湊（茨城）2027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	58.1	↑3.3
10/1 00:10	61.5	↑3.4
10/1 00:20	65.2	↑3.7
10/1 00:30	69.0	↑3.8
10/1 00:40	72.9	↑3.9
10/1 00:50	76.9	↑4.0
10/1 01:00	81.0	↑4.1
10/1 01:10	85.2	↑4.2
10/1 01:20	89.3	↑4.1
10/1 01:30	93.5	↑4.2
10/1 01:40	97.6	↑4.1
10/1 01:50	101.7	↑4.1
10/1 02:00	105.7	↑4.0
10/1 02:10	109.5	↑3.8
10/1 02:20	113.3	↑3.8
10/1 02:30	116.8	↑3.5
10/1 02:40	120.2	↑3.4
10/1 02:50	123.4	↑3.2
10/1 03:00	126.4	↑3.0
10/1 03:10	129.1	↑2.7
10/1 03:20	131.5	↑2.4
10/1 03:30	133.7	↑2.2
10/1 03:40	135.6	↑1.9
10/1 03:50	137.2	↑1.6
10/1 04:00	138.4	↑1.2
10/1 04:10	139.3	↑0.9
10/1 04:20	139.9	↑0.6
10/1 04:30	140.2	↑0.3	満潮
10/1 04:40	140.1	↓-0.1
10/1 04:50	139.7	↓-0.4
10/1 05:00	139.0	↓-0.7
10/1 05:10	137.9	↓-1.1
10/1 05:20	136.6	↓-1.3
10/1 05:30	134.9	↓-1.7
10/1 05:40	132.9	↓-2.0
10/1 05:50	130.7	↓-2.2
10/1 06:00	128.2	↓-2.5
10/1 06:10	125.5	↓-2.7
10/1 06:20	122.5	↓-3.0
10/1 06:30	119.4	↓-3.1
10/1 06:40	116.1	↓-3.3
10/1 06:50	112.6	↓-3.5
10/1 07:00	109.1	↓-3.5
10/1 07:10	105.5	↓-3.6
10/1 07:20	101.8	↓-3.7
10/1 07:30	98.1	↓-3.7
10/1 07:40	94.3	↓-3.8
10/1 07:50	90.7	↓-3.6
10/1 08:00	87.1	↓-3.6
10/1 08:10	83.5	↓-3.6
10/1 08:20	80.1	↓-3.4
10/1 08:30	76.9	↓-3.2
10/1 08:40	73.8	↓-3.1
10/1 08:50	70.9	↓-2.9
10/1 09:00	68.2	↓-2.7
10/1 09:10	65.8	↓-2.4
10/1 09:20	63.6	↓-2.2
10/1 09:30	61.6	↓-2.0
10/1 09:40	60.0	↓-1.6
10/1 09:50	58.6	↓-1.4
10/1 10:00	57.5	↓-1.1
10/1 10:10	56.8	↓-0.7
10/1 10:20	56.3	↓-0.5
10/1 10:30	56.1	↓-0.2	干潮
10/1 10:40	56.3	↑0.2
10/1 10:50	56.8	↑0.5
10/1 11:00	57.5	↑0.7
10/1 11:10	58.6	↑1.1
10/1 11:20	59.9	↑1.3
10/1 11:30	61.5	↑1.6
10/1 11:40	63.3	↑1.8
10/1 11:50	65.4	↑2.1
10/1 12:00	67.7	↑2.3
10/1 12:10	70.2	↑2.5
10/1 12:20	72.9	↑2.7
10/1 12:30	75.7	↑2.8
10/1 12:40	78.7	↑3.0
10/1 12:50	81.8	↑3.1
10/1 13:00	85.0	↑3.2
10/1 13:10	88.3	↑3.3
10/1 13:20	91.6	↑3.3
10/1 13:30	94.9	↑3.3
10/1 13:40	98.3	↑3.4
10/1 13:50	101.6	↑3.3
10/1 14:00	104.8	↑3.2
10/1 14:10	107.9	↑3.1
10/1 14:20	111.0	↑3.1
10/1 14:30	113.9	↑2.9
10/1 14:40	116.7	↑2.8
10/1 14:50	119.3	↑2.6
10/1 15:00	121.6	↑2.3
10/1 15:10	123.8	↑2.2
10/1 15:20	125.7	↑1.9
10/1 15:30	127.4	↑1.7
10/1 15:40	128.8	↑1.4
10/1 15:50	129.9	↑1.1
10/1 16:00	130.8	↑0.9
10/1 16:10	131.3	↑0.5
10/1 16:20	131.5	↑0.2	満潮
10/1 16:30	131.4	↓-0.1
10/1 16:40	130.9	↓-0.5
10/1 16:50	130.1	↓-0.8
10/1 17:00	129.0	↓-1.1
10/1 17:10	127.6	↓-1.4
10/1 17:20	125.8	↓-1.8
10/1 17:30	123.8	↓-2.0
10/1 17:40	121.4	↓-2.4
10/1 17:50	118.8	↓-2.6
10/1 18:00	115.9	↓-2.9
10/1 18:10	112.7	↓-3.2
10/1 18:20	109.3	↓-3.4
10/1 18:30	105.7	↓-3.6
10/1 18:40	101.9	↓-3.8
10/1 18:50	97.9	↓-4.0
10/1 19:00	93.8	↓-4.1
10/1 19:10	89.7	↓-4.1
10/1 19:20	85.4	↓-4.3	最大潮位差
10/1 19:30	81.1	↓-4.3	最大潮位差
10/1 19:40	76.8	↓-4.3	最大潮位差
10/1 19:50	72.5	↓-4.3	最大潮位差
10/1 20:00	68.2	↓-4.3	最大潮位差
10/1 20:10	64.0	↓-4.2
10/1 20:20	59.9	↓-4.1
10/1 20:30	56.0	↓-3.9
10/1 20:40	52.2	↓-3.8
10/1 20:50	48.6	↓-3.6
10/1 21:00	45.3	↓-3.3
10/1 21:10	42.1	↓-3.2
10/1 21:20	39.3	↓-2.8
10/1 21:30	36.7	↓-2.6
10/1 21:40	34.4	↓-2.3
10/1 21:50	32.4	↓-2.0
10/1 22:00	30.8	↓-1.6
10/1 22:10	29.5	↓-1.3
10/1 22:20	28.5	↓-1.0
10/1 22:30	27.9	↓-0.6
10/1 22:40	27.7	↓-0.2	干潮
10/1 22:50	27.8	↑0.1
10/1 23:00	28.2	↑0.4
10/1 23:10	29.0	↑0.8
10/1 23:20	30.1	↑1.1
10/1 23:30	31.6	↑1.5
10/1 23:40	33.4	↑1.8
10/1 23:50	35.5	↑2.1