18 (月)	06:56	01:05	22:36	14:40
	109cm	76cm	87cm	13cm
小潮 出 05:46 入 17:48 出 00:10 入 09:44 潮干狩り ◎ 12:24～17:08

那珂湊（茨城）2047年03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
3/18 00:00	77.6	↓-0.8
3/18 00:10	77.0	↓-0.6
3/18 00:20	76.4	↓-0.6
3/18 00:30	75.9	↓-0.5
3/18 00:40	75.6	↓-0.3
3/18 00:50	75.3	↓-0.3
3/18 01:00	75.2	↓-0.1	干潮
3/18 01:10	75.2	0
3/18 01:20	75.4	↑0.2
3/18 01:30	75.6	↑0.2
3/18 01:40	76.0	↑0.4
3/18 01:50	76.5	↑0.5
3/18 02:00	77.1	↑0.6
3/18 02:10	77.9	↑0.8
3/18 02:20	78.7	↑0.8
3/18 02:30	79.6	↑0.9
3/18 02:40	80.6	↑1.0
3/18 02:50	81.7	↑1.1
3/18 03:00	82.9	↑1.2
3/18 03:10	84.2	↑1.3
3/18 03:20	85.4	↑1.2
3/18 03:30	86.8	↑1.4
3/18 03:40	88.2	↑1.4
3/18 03:50	89.6	↑1.4
3/18 04:00	91.0	↑1.4
3/18 04:10	92.4	↑1.4
3/18 04:20	93.9	↑1.5
3/18 04:30	95.3	↑1.4
3/18 04:40	96.7	↑1.4
3/18 04:50	98.0	↑1.3
3/18 05:00	99.3	↑1.3
3/18 05:10	100.6	↑1.3
3/18 05:20	101.8	↑1.2
3/18 05:30	102.9	↑1.1
3/18 05:40	104.0	↑1.1
3/18 05:50	104.9	↑0.9
3/18 06:00	105.8	↑0.9
3/18 06:10	106.5	↑0.7
3/18 06:20	107.1	↑0.6
3/18 06:30	107.5	↑0.4
3/18 06:40	107.9	↑0.4
3/18 06:50	108.0	↑0.1	満潮
3/18 07:00	108.0	0
3/18 07:10	107.8	↓-0.2
3/18 07:20	107.5	↓-0.3
3/18 07:30	106.9	↓-0.6
3/18 07:40	106.2	↓-0.7
3/18 07:50	105.3	↓-0.9
3/18 08:00	104.1	↓-1.2
3/18 08:10	102.8	↓-1.3
3/18 08:20	101.3	↓-1.5
3/18 08:30	99.6	↓-1.7
3/18 08:40	97.7	↓-1.9
3/18 08:50	95.6	↓-2.1
3/18 09:00	93.3	↓-2.3
3/18 09:10	90.9	↓-2.4
3/18 09:20	88.3	↓-2.6
3/18 09:30	85.6	↓-2.7
3/18 09:40	82.7	↓-2.9
3/18 09:50	79.7	↓-3.0
3/18 10:00	76.5	↓-3.2
3/18 10:10	73.3	↓-3.2
3/18 10:20	70.0	↓-3.3
3/18 10:30	66.7	↓-3.3
3/18 10:40	63.3	↓-3.4	最大潮位差
3/18 10:50	59.9	↓-3.4	最大潮位差
3/18 11:00	56.5	↓-3.4	最大潮位差
3/18 11:10	53.1	↓-3.4	最大潮位差
3/18 11:20	49.8	↓-3.3
3/18 11:30	46.5	↓-3.3
3/18 11:40	43.3	↓-3.2
3/18 11:50	40.2	↓-3.1
3/18 12:00	37.2	↓-3.0
3/18 12:10	34.3	↓-2.9
3/18 12:20	31.5	↓-2.8
3/18 12:30	28.9	↓-2.6
3/18 12:40	26.5	↓-2.4
3/18 12:50	24.2	↓-2.3
3/18 13:00	22.1	↓-2.1
3/18 13:10	20.2	↓-1.9
3/18 13:20	18.5	↓-1.7
3/18 13:30	17.0	↓-1.5
3/18 13:40	15.7	↓-1.3
3/18 13:50	14.6	↓-1.1
3/18 14:00	13.7	↓-0.9
3/18 14:10	13.0	↓-0.7
3/18 14:20	12.5	↓-0.5
3/18 14:30	12.2	↓-0.3	干潮
3/18 14:40	12.1	↓-0.1	干潮
3/18 14:50	12.2	↑0.1
3/18 15:00	12.5	↑0.3
3/18 15:10	13.0	↑0.5
3/18 15:20	13.7	↑0.7
3/18 15:30	14.6	↑0.9
3/18 15:40	15.6	↑1.0
3/18 15:50	16.8	↑1.2
3/18 16:00	18.1	↑1.3
3/18 16:10	19.6	↑1.5
3/18 16:20	21.3	↑1.7
3/18 16:30	23.0	↑1.7
3/18 16:40	24.9	↑1.9
3/18 16:50	26.9	↑2.0
3/18 17:00	29.0	↑2.1
3/18 17:10	31.2	↑2.2
3/18 17:20	33.5	↑2.3
3/18 17:30	35.8	↑2.3
3/18 17:40	38.3	↑2.5
3/18 17:50	40.7	↑2.4
3/18 18:00	43.2	↑2.5
3/18 18:10	45.8	↑2.6
3/18 18:20	48.3	↑2.5
3/18 18:30	50.9	↑2.6
3/18 18:40	53.4	↑2.5
3/18 18:50	55.9	↑2.5
3/18 19:00	58.4	↑2.5
3/18 19:10	60.8	↑2.4
3/18 19:20	63.2	↑2.4
3/18 19:30	65.5	↑2.3
3/18 19:40	67.8	↑2.3
3/18 19:50	69.9	↑2.1
3/18 20:00	71.9	↑2.0
3/18 20:10	73.8	↑1.9
3/18 20:20	75.6	↑1.8
3/18 20:30	77.3	↑1.7
3/18 20:40	78.8	↑1.5
3/18 20:50	80.2	↑1.4
3/18 21:00	81.5	↑1.3
3/18 21:10	82.6	↑1.1
3/18 21:20	83.6	↑1.0
3/18 21:30	84.5	↑0.9
3/18 21:40	85.2	↑0.7
3/18 21:50	85.7	↑0.5
3/18 22:00	86.2	↑0.5
3/18 22:10	86.5	↑0.3
3/18 22:20	86.7	↑0.2
3/18 22:30	86.8	↑0.1	満潮
3/18 22:40	86.8	0
3/18 22:50	86.7	↓-0.1
3/18 23:00	86.5	↓-0.2
3/18 23:10	86.3	↓-0.2
3/18 23:20	86.0	↓-0.3
3/18 23:30	85.7	↓-0.3
3/18 23:40	85.4	↓-0.3
3/18 23:50	85.0	↓-0.4