1 (火)	06:52	12:00	17:36	-
	129cm	83cm	132cm	-
中潮 出 05:33 入 17:23 出 09:39 入 19:51

那珂湊（茨城）2030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	23.5	↑0.1
10/1 00:10	24.0	↑0.5
10/1 00:20	24.7	↑0.7
10/1 00:30	25.8	↑1.1
10/1 00:40	27.1	↑1.3
10/1 00:50	28.8	↑1.7
10/1 01:00	30.7	↑1.9
10/1 01:10	32.9	↑2.2
10/1 01:20	35.3	↑2.4
10/1 01:30	38.0	↑2.7
10/1 01:40	40.9	↑2.9
10/1 01:50	44.0	↑3.1
10/1 02:00	47.2	↑3.2
10/1 02:10	50.6	↑3.4
10/1 02:20	54.2	↑3.6
10/1 02:30	57.8	↑3.6
10/1 02:40	61.6	↑3.8
10/1 02:50	65.4	↑3.8
10/1 03:00	69.2	↑3.8
10/1 03:10	73.1	↑3.9
10/1 03:20	77.0	↑3.9
10/1 03:30	80.9	↑3.9
10/1 03:40	84.8	↑3.9
10/1 03:50	88.6	↑3.8
10/1 04:00	92.3	↑3.7
10/1 04:10	96.0	↑3.7
10/1 04:20	99.5	↑3.5
10/1 04:30	102.9	↑3.4
10/1 04:40	106.1	↑3.2
10/1 04:50	109.2	↑3.1
10/1 05:00	112.0	↑2.8
10/1 05:10	114.7	↑2.7
10/1 05:20	117.2	↑2.5
10/1 05:30	119.4	↑2.2
10/1 05:40	121.4	↑2.0
10/1 05:50	123.2	↑1.8
10/1 06:00	124.7	↑1.5
10/1 06:10	125.9	↑1.2
10/1 06:20	126.9	↑1.0
10/1 06:30	127.6	↑0.7
10/1 06:40	128.0	↑0.4
10/1 06:50	128.2	↑0.2	満潮
10/1 07:00	128.1	↓-0.1
10/1 07:10	127.7	↓-0.4
10/1 07:20	127.1	↓-0.6
10/1 07:30	126.3	↓-0.8
10/1 07:40	125.2	↓-1.1
10/1 07:50	123.9	↓-1.3
10/1 08:00	122.4	↓-1.5
10/1 08:10	120.7	↓-1.7
10/1 08:20	118.9	↓-1.8
10/1 08:30	116.9	↓-2.0
10/1 08:40	114.9	↓-2.0
10/1 08:50	112.7	↓-2.2
10/1 09:00	110.4	↓-2.3
10/1 09:10	108.1	↓-2.3
10/1 09:20	105.8	↓-2.3
10/1 09:30	103.5	↓-2.3
10/1 09:40	101.2	↓-2.3
10/1 09:50	99.0	↓-2.2
10/1 10:00	96.8	↓-2.2
10/1 10:10	94.8	↓-2.0
10/1 10:20	92.8	↓-2.0
10/1 10:30	91.0	↓-1.8
10/1 10:40	89.3	↓-1.7
10/1 10:50	87.8	↓-1.5
10/1 11:00	86.5	↓-1.3
10/1 11:10	85.4	↓-1.1
10/1 11:20	84.4	↓-1.0
10/1 11:30	83.7	↓-0.7
10/1 11:40	83.2	↓-0.5
10/1 11:50	82.9	↓-0.3	干潮
10/1 12:00	82.8	↓-0.1	干潮
10/1 12:10	82.9	↑0.1
10/1 12:20	83.2	↑0.3
10/1 12:30	83.8	↑0.6
10/1 12:40	84.5	↑0.7
10/1 12:50	85.5	↑1.0
10/1 13:00	86.6	↑1.1
10/1 13:10	87.9	↑1.3
10/1 13:20	89.4	↑1.5
10/1 13:30	91.0	↑1.6
10/1 13:40	92.7	↑1.7
10/1 13:50	94.5	↑1.8
10/1 14:00	96.5	↑2.0
10/1 14:10	98.5	↑2.0
10/1 14:20	100.6	↑2.1
10/1 14:30	102.8	↑2.2
10/1 14:40	105.0	↑2.2
10/1 14:50	107.2	↑2.2
10/1 15:00	109.4	↑2.2
10/1 15:10	111.6	↑2.2
10/1 15:20	113.7	↑2.1
10/1 15:30	115.8	↑2.1
10/1 15:40	117.8	↑2.0
10/1 15:50	119.8	↑2.0
10/1 16:00	121.6	↑1.8
10/1 16:10	123.3	↑1.7
10/1 16:20	124.9	↑1.6
10/1 16:30	126.3	↑1.4
10/1 16:40	127.6	↑1.3
10/1 16:50	128.7	↑1.1
10/1 17:00	129.6	↑0.9
10/1 17:10	130.3	↑0.7
10/1 17:20	130.8	↑0.5
10/1 17:30	131.0	↑0.2	満潮
10/1 17:40	131.0	0
10/1 17:50	130.8	↓-0.2
10/1 18:00	130.3	↓-0.5
10/1 18:10	129.5	↓-0.8
10/1 18:20	128.5	↓-1.0
10/1 18:30	127.3	↓-1.2
10/1 18:40	125.8	↓-1.5
10/1 18:50	124.0	↓-1.8
10/1 19:00	121.9	↓-2.1
10/1 19:10	119.6	↓-2.3
10/1 19:20	117.1	↓-2.5
10/1 19:30	114.3	↓-2.8
10/1 19:40	111.3	↓-3.0
10/1 19:50	108.1	↓-3.2
10/1 20:00	104.8	↓-3.3
10/1 20:10	101.2	↓-3.6
10/1 20:20	97.5	↓-3.7
10/1 20:30	93.6	↓-3.9
10/1 20:40	89.7	↓-3.9
10/1 20:50	85.6	↓-4.1
10/1 21:00	81.5	↓-4.1
10/1 21:10	77.4	↓-4.1
10/1 21:20	73.2	↓-4.2	最大潮位差
10/1 21:30	69.1	↓-4.1
10/1 21:40	65.0	↓-4.1
10/1 21:50	61.0	↓-4.0
10/1 22:00	57.1	↓-3.9
10/1 22:10	53.3	↓-3.8
10/1 22:20	49.6	↓-3.7
10/1 22:30	46.1	↓-3.5
10/1 22:40	42.8	↓-3.3
10/1 22:50	39.7	↓-3.1
10/1 23:00	36.9	↓-2.8
10/1 23:10	34.3	↓-2.6
10/1 23:20	31.9	↓-2.4
10/1 23:30	29.8	↓-2.1
10/1 23:40	28.0	↓-1.8
10/1 23:50	26.5	↓-1.5